chore(db): add test group and enable auto on chase/pulse

Co-authored-by: Cursor <cursoragent@cursor.com>

.cursor/rules/led-driver.mdc

@@ -0,0 +1,45 @@
+---
+description: led-driver — MicroPython ESP32: mpremote, imports, layout, I/O, no pycache in src
+globs: led-driver/**
+alwaysApply: false
+---
+
+# led-driver (MicroPython / ESP32)
+
+## Device and tests
+
+1. Validate **MicroPython behaviour** under **`led-driver/`** with **`mpremote connect <PORT> …`** on the chip. Host **`python3`** does **not** prove the firmware build.
+
+2. **Execution target is fixed:** treat **`led-driver/`** code as firmware that runs **only on MicroPython ESP32 devices**. Do **not** run `led-driver/src/main.py` (or other firmware modules) with host CPython as a normal execution path.
+
+3. **Flow:** `mpremote connect <PORT> cp <local> :<on-flash>` then `run <script>.py`. Inline commands only — no **`.sh`** wrappers unless the user asks. Default serial placeholder: **`/dev/ttyACM0`**.
+
+4. Checks that **import and run** code from **`led-driver/src/`** belong in **`led-driver/tests/`** and run with **`mpremote run …`**. **Do not** add **`pytest`** under **`led-controller/tests/`** that **`sys.path`**-loads **`led-driver/src`** and runs those modules on CPython.
+
+## Import layout
+
+4. **No** **`sys.path.insert`**, **`__file__`** path stitching, or other import-path hacks under **`led-driver/`**. Use device flash search path, or host **`PYTHONPATH`** / layout you control.
+
+5. **No** “import fixer” code — fix copy order, flash paths, or env instead.
+
+## Imports (fail loudly)
+
+6. If a dependency does not load, **crash** and fix deployment or filesystem. **Do not** catch **`ImportError`** / **`ModuleNotFoundError`** around **`import`** / **`from … import`** for app/firmware modules (`settings`, `utils`, `network`, `machine`, …).
+
+7. **Allowed — stdlib name pairs only** (MicroPython vs CPython): one **`except ImportError`**, then **one** fallback import, **no** extra logic in **`except`**:
+   - `uos` → `os`
+   - `ubinascii` → `binascii`
+   - `utime` → `time`  
+   Not for “maybe the file exists on flash” — only different **stdlib** names.
+
+8. **No** large inline reimplementations after **`except ImportError`** — deploy the real module.
+
+## I/O
+
+9. Non-blocking **recv** / **accept**: use plain **`except OSError:`** (or **break** on empty). **No** errno / EAGAIN / EWOULDBLOCK tables or **`getattr(errno, …)`** unless fixing a **documented** target bug.
+
+10. Minimal **`try` / `except OSError`** around optional socket options (e.g. **`SO_REUSEADDR`**) is fine.
+
+## Host Python and `src/`
+
+11. **Do not** leave **`__pycache__/`** or **`.pyc`** under **`led-driver/src/`** from host runs. Remove if created; **`.gitignore`** already ignores it. Prefer **`PYTHONDONTWRITEBYTECODE=1`** or **`-B`** when host Python must touch **`led-driver/src/`**.

.cursor/rules/pattern-workflow.mdc

@@ -0,0 +1,14 @@
+---
+description: Require test pattern, pattern metadata, and test preset for new patterns
+alwaysApply: true
+---
+
+# Pattern workflow requirements
+
+1. When creating a new pattern under `led-driver/src/patterns/`, also add/update a corresponding test file in `led-driver/tests/patterns/`.
+
+2. When adding a new pattern, ensure led-controller has `db/pattern.json`; if it does not exist, create it. Add the new pattern metadata and parameter mappings there. Optionally set **`supports_manual`** to `false` when the pattern is a poor fit for manual mode or audio beat triggers (smooth/blended animations); omit or `true` otherwise.
+
+3. When adding a new pattern, add at least one test preset entry in `db/preset.json` in led-controller that uses the new pattern.
+
+4. For any pattern that supports both auto and manual modes, keep behaviour parity unless explicitly requested otherwise: background colour handling, colour-cycling order, and parameter timing semantics (e.g. `n2`/`n3` meaning) must match between auto and manual paths.

.cursor/rules/scoped-fixes.mdc

@@ -0,0 +1,18 @@
+---
+description: Fix only the issue or task the user gave; no refactors unless requested
+alwaysApply: true
+---
+
+# Scoped fixes (no overscoping)
+
+1. **Change only what is needed** to satisfy the user’s *current* request (bug, error, feature, or explicit follow-up). Prefer the smallest diff that fixes it.
+
+2. **Refactors:** Do **not** refactor (restructure, rename, extract functions, change abstractions, or “make it nicer”) **unless the user explicitly asked for a refactor**. A bug fix may touch nearby lines only as much as required to correct the bug.
+
+3. **Do not** rename, reformat, or “clean up” unrelated code; do not add extra error handling, logging, or features you were not asked for.
+
+4. **Related issues:** If you spot other problems (missing functions, wrong types elsewhere, style), you may **mention them in prose** — do **not** fix them unless the user explicitly asks.
+
+5. **Tests and docs:** Add or change tests or documentation **only** when the user asked for them or they are strictly required to verify the requested fix.
+
+6. **Multiple distinct fixes:** If the user reported one error (e.g. a single `TypeError`), fix **that** cause first. Offer to tackle follow-ups separately rather than bundling.

.cursor/rules/strict-user-scope.mdc

@@ -0,0 +1,16 @@
+---
+description: enforce strict user-scoped changes only
+alwaysApply: true
+---
+
+# Strict User Scope
+
+1. Only implement exactly what the user asked for in the current message.
+
+2. Do not add extra refactors, cleanups, renames, architecture changes, or behavioural changes unless the user explicitly asked for them.
+
+3. If a potential improvement is noticed, mention it briefly and ask before changing code.
+
+4. For revert/undo requests, perform the narrowest possible revert and do not modify anything else.
+
+5. Keep edits minimal and local to the requested area.

.cursor/rules/submodules-led-driver-tool.mdc

@@ -0,0 +1,18 @@
+---
+description: Keep led-driver and led-tool git submodules in sync when updating led-controller
+alwaysApply: true
+---
+
+# Submodule pointers (`led-driver`, `led-tool`)
+
+This repo tracks **`led-driver`** and **`led-tool`** as git submodules (see `.gitmodules`).
+
+When you **update led-controller** work that should ship with matching firmware or CLI behaviour—or when you finish changes **inside** those submodule directories—**record the new submodule commits in the parent repo**:
+
+1. In each submodule, commit and push on its remote if there are local commits (or ensure the checkout is the intended revision).
+2. From the **led-controller** root: `git add led-driver led-tool` after their HEADs point at the right commits.
+3. Include the parent-repo commit that bumps the gitlinks (so CI and clones get consistent trees).
+
+**Do not** leave submodule directories dirty or forgotten while presenting the parent repo as “done”: either commit the submodule pointer update in led-controller, or leave an explicit note if the user must push submodule remotes first.
+
+If the user only asked for a submodule bump with no code edits, a single `chore(submodules): bump led-driver and led-tool` style commit is appropriate (see commit rule).

.gitignore

@@ -1,5 +1,7 @@
 # Python
 __pycache__/
+# led-driver/src is MicroPython source — never keep host __pycache__ there (see .cursor/rules/led-driver.mdc)
+led-driver/src/__pycache__/
 *.py[cod]
 *$py.class
 *.so
@@ -23,8 +25,22 @@ ENV/
 Thumbs.db
 
 # Project specific
+scripts/.led-controller-venv
 docs/.help-print.html
 settings.json
+# Track shared JSON + preset binaries; ignore other db/*.json (e.g. device, zone) locally
+db/*
+!db/group.json
+!db/palette.json
+!db/pattern.json
+!db/preset.json
+!db/profile.json
+!db/scene.json
+!db/sequence.json
+!db/presets/
+!db/presets/*.bin
 *.log
 *.db
 *.sqlite
+.pytest_cache/
+.ropeproject/

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "led-tool"]
 	path = led-tool
 	url = git@git.technical.kiwi:technicalkiwi/led-tool.git
+[submodule "led-simulator"]
+	path = led-simulator
+	url = git@git.technical.kiwi:technicalkiwi/led-simulator.git

Pipfile

@@ -13,17 +13,21 @@ requests = "*"
 selenium = "*"
 adafruit-ampy = "*"
 microdot = "*"
+websockets = "*"
+numpy = "*"
+sounddevice = "*"
 
 [dev-packages]
 pytest = "*"
 
 [requires]
-python_version = "3.12"
+python_version = "3.11"
 
 [scripts]
-web = "python /home/pi/led-controller/tests/web.py"
+web = "python tests/web.py"
-watch = "python -m watchfiles 'python tests/web.py' src tests"
+watch = "python -m watchfiles \"python tests/web.py\" src tests"
-install = "pipenv install"
 run = "sh -c 'cd src && python main.py'"
-dev = "watchfiles \"sh -c 'cd src && python main.py'\" src"
+dev = "python -m watchfiles \"sh -c 'cd src && LED_CONTROLLER_LIVE_RELOAD=1 python main.py'\" src"
-help-pdf = "sh scripts/build_help_pdf.sh"
+test = "python -m pytest"
+test-browser = "sh -c 'python tests/web.py > /tmp/led-controller-web.log 2>&1 & pid=$!; trap \"kill $pid\" EXIT; sleep 2; LED_CONTROLLER_RUN_BROWSER_TESTS=1 LED_CONTROLLER_DEVICE_IP=http://127.0.0.1:5000 python -m pytest tests/test_browser.py'"
+test-browser-device = "sh -c 'LED_CONTROLLER_RUN_BROWSER_TESTS=1 python -m pytest tests/test_browser.py'"

README.md

@@ -1,27 +1,30 @@
 # led-controller
 
-LED controller web app for managing profiles, tabs, presets, and colour palettes, and sending commands to LED devices over the serial -> ESP-NOW bridge.
+LED controller web app for managing profiles, **zones**, presets, and colour palettes, and sending commands to LED devices. Outbound paths include:
+
+- **Serial → ESP-NOW bridge**: JSON lines over UART to an ESP32 that forwards ESP-NOW frames (configure `serial_port` and baud in `settings.json` / Settings model).
+- **Wi-Fi LED drivers**: TCP JSON lines (default port **8765** on the Pi; drivers discover the controller via **UDP 8766** broadcast).
 
 ## Run
 
 - One-time setup for port 80 without root: `sudo scripts/setup-port80.sh`
-- Start app: `pipenv run run`
+- Start app: `pipenv run run` (override listen port with the **`PORT`** environment variable)
 - Dev watcher (auto-restart on `src/` changes): `pipenv run dev`
 - Regenerate **`docs/help.pdf`** from **`docs/help.md`**: `pipenv run help-pdf` (requires **pandoc** and **chromium** on the host)
 
 ## UI modes
 
-- **Run mode**: focused control view. Select tabs/presets and apply profiles. Editing actions are hidden.
+- **Run mode**: focused control view. Select zones/presets and apply profiles. Editing actions are hidden.
-- **Edit mode**: management view. Shows Tabs, Presets, Patterns, Colour Palette, and Send Presets controls, plus per-tile preset edit/remove and drag-reorder.
+- **Edit mode**: management view. Shows **Zones**, Presets, Patterns, Colour Palette, and Send Presets controls, plus per-tile preset edit/remove and drag-reorder.
 
 ## Profiles
 
-- Applying a profile updates session scope and refreshes the active tab content.
+- Applying a profile updates session scope and refreshes the active zone content.
-- In **Run mode**, Profiles supports apply-only behavior (no create/clone/delete).
+- In **Run mode**, Profiles supports apply-only behaviour (no create/clone/delete).
 - In **Edit mode**, Profiles supports create/clone/delete.
-- Creating a profile always creates a populated `default` tab (starter presets).
+- Creating a profile always creates a populated `default` zone (starter presets).
-- Optional **DJ tab** seeding creates:
+- Optional **DJ zone** seeding creates:
-  - `dj` tab bound to device name `dj`
+  - `dj` zone bound to device name `dj`
   - starter DJ presets (rainbow, single colour, transition)
 
 ## Preset colours and palette linking
@@ -35,3 +38,6 @@ LED controller web app for managing profiles, tabs, presets, and colour palettes
 
 - Main API reference: `docs/API.md`
 
+## Driver pattern modules
+
+Pattern **`.py`** sources live under **`led-driver/src/patterns`**. The Pi app resolves that path via `util.driver_patterns.driver_patterns_dir()`. If you deploy without that tree next to the app, set **`LED_CONTROLLER_PATTERNS_DIR`** to the directory that contains those files.

db/device.json

@@ -1 +0,0 @@
-{}

db/palette.json

@@ -1 +1 @@
-{"1": ["#FF0000", "#00FF00", "#0000FF", "#FFFF00", "#FF00FF", "#00FFFF", "#FFFFFF", "#000000"], "2": [], "3": [], "4": [], "5": [], "6": [], "7": ["#FF0000", "#00FF00", "#0000FF", "#FFFF00", "#FF00FF", "#00FFFF", "#FFFFFF", "#000000"], "8": [], "9": [], "10": [], "11": [], "12": ["#890b0b", "#0b8935"]}
+{"1":["#FF0000","#00FF00","#0000FF","#FFFF00","#FF00FF","#00FFFF","#FFFFFF","#000000","#050500"],"2":[],"3":[],"4":[],"5":[],"6":[],"7":["#FF0000","#00FF00","#0000FF","#FFFF00","#FF00FF","#00FFFF","#FFFFFF","#000000"],"8":[],"9":[],"10":[],"11":[],"12":["#890b0b","#0b8935"],"13":[],"14":["#E8F4FF","#9ECFFF","#5080C8","#FFFFFF","#B0DCFF","#0A1520","#FF8020","#071018"]}

db/pattern.json

@@ -1,54 +1,280 @@
 {
-    "on": {
+  "on": {
-            "min_delay": 10,
+    "min_delay": 10,
-            "max_delay": 10000,
+    "max_delay": 10000,
-            "max_colors": 1
+    "max_colors": 1,
-        },
+    "supports_manual": true
-    "off": {
+  },
-        "min_delay": 10,
+  "off": {
-        "max_delay": 10000,
+    "min_delay": 10,
-        "max_colors": 0
+    "max_delay": 10000,
+    "max_colors": 0,
+    "supports_manual": true
+  },
+  "colour_cycle": {
+    "supports_reverse": true,
+    "n1": "Step rate",
+    "mode": {
+      "0": "Scroll palette gradient",
+      "1": "Rainbow wheel (preset colours ignored)"
     },
-    "rainbow": {
+    "min_delay": 10,
-        "n1": "Step Rate",
+    "max_delay": 10000,
-        "min_delay": 10,
+    "max_colors": 10,
-        "max_delay": 10000,
+    "supports_manual": true
-        "max_colors": 0
+  },
-    },
+  "transition": {
-    "transition": {
+    "min_delay": 10,
-        "min_delay": 10,
+    "max_delay": 10000,
-        "max_delay": 10000,
+    "max_colors": 10,
-        "max_colors": 10
+    "supports_manual": false
-    },
+  },
-    "chase": {
+  "chase": {
-        "n1": "Colour 1 Length",
+    "supports_reverse": true,
-        "n2": "Colour 2 Length",
+    "n1": "Colour 1 Length",
-        "n3": "Step 1",
+    "n2": "Colour 2 Length",
-        "n4": "Step 2",
+    "n3": "Step 1",
-        "min_delay": 10,
+    "n4": "Step 2",
-        "max_delay": 10000,
+    "min_delay": 10,
-        "max_colors": 2
+    "max_delay": 10000,
-    },
+    "max_colors": 2,
-    "pulse": {
+    "has_background": true,
-        "n1": "Attack",
+    "supports_manual": true,
-        "n2": "Hold",
+    "mode": {
-        "n3": "Decay",
+      "0": "Two-colour chase",
-        "min_delay": 10,
+      "1": "Marquee dashes (n1 on length, n2 off, n3 step)"
-        "max_delay": 10000,
-        "max_colors": 10
-    },
-    "circle": {
-        "n1": "Head Rate",
-        "n2": "Max Length",
-        "n3": "Tail Rate",
-        "n4": "Min Length",
-        "min_delay": 10,
-        "max_delay": 10000,
-        "max_colors": 2
-    },
-    "blink": {
-        "min_delay": 10,
-        "max_delay": 10000,
-        "max_colors": 10
     }
+  },
+  "pulse": {
+    "n1": "Attack",
+    "n2": "Hold",
+    "n3": "Decay",
+    "min_delay": 10,
+    "max_delay": 10000,
+    "max_colors": 10,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "circle": {
+    "n1": "Head Rate",
+    "n2": "Max Length",
+    "n3": "Tail Rate",
+    "n4": "Min Length",
+    "min_delay": 10,
+    "max_delay": 10000,
+    "max_colors": 2,
+    "has_background": true,
+    "supports_manual": false
+  },
+  "blink": {
+    "min_delay": 10,
+    "max_delay": 10000,
+    "max_colors": 10,
+    "has_background": true,
+    "supports_manual": false
+  },
+  "flicker": {
+    "n1": "Min brightness",
+    "min_delay": 10,
+    "max_delay": 10000,
+    "max_colors": 10,
+    "supports_manual": true
+  },
+  "flame": {
+    "n1": "Min brightness",
+    "n2": "Breath period (ms)",
+    "n3": "Spark gap min (ms, 0=default 10\u201330 s, -1=off)",
+    "n4": "Spark gap max (ms)",
+    "min_delay": 10,
+    "max_delay": 10000,
+    "max_colors": 10,
+    "supports_manual": false
+  },
+  "twinkle": {
+    "n1": "Twinkle activity (1\u2013255, higher = more changes)",
+    "n2": "Density (0\u2013255, higher = more of the strip lit)",
+    "n3": "Min adjacent LEDs per twinkle (same as max for fixed length)",
+    "n4": "Max adjacent LEDs per twinkle (same as min for fixed length)",
+    "min_delay": 10,
+    "max_delay": 10000,
+    "max_colors": 10,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "radiate": {
+    "n1": "Node spacing (LEDs)",
+    "n2": "Out time (ms)",
+    "n3": "In time (ms)",
+    "min_delay": 10,
+    "max_delay": 10000,
+    "max_colors": 10,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "plasma": {
+    "n1": "Scale",
+    "n2": "Speed",
+    "n3": "Contrast",
+    "max_colors": 10,
+    "min_delay": 10,
+    "max_delay": 10000,
+    "supports_manual": false
+  },
+  "bar_graph": {
+    "n1": "Level percent",
+    "max_colors": 10,
+    "min_delay": 10,
+    "max_delay": 10000,
+    "has_background": true,
+    "supports_manual": false
+  },
+  "strobe_burst": {
+    "n1": "Burst count",
+    "n2": "Burst gap",
+    "n3": "Cooldown",
+    "max_colors": 10,
+    "min_delay": 10,
+    "max_delay": 10000,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "rain_drops": {
+    "n1": "Drop rate",
+    "n2": "Ripple width",
+    "max_colors": 10,
+    "min_delay": 10,
+    "max_delay": 10000,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "clock_sweep": {
+    "n1": "Hand width",
+    "n2": "Marker interval",
+    "max_colors": 10,
+    "min_delay": 10,
+    "max_delay": 10000,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "aurora": {
+    "supports_reverse": true,
+    "n1": "Band count (0) or spatial period LEDs (1)",
+    "n2": "Shimmer (0) or blend strength (1)",
+    "n3": "Unused (0) or drift speed (1)",
+    "mode": {
+      "0": "Colour bands + shimmer",
+      "1": "Sine northern wave"
+    },
+    "min_delay": 10,
+    "max_delay": 10000,
+    "max_colors": 10,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "icicles": {
+    "supports_reverse": true,
+    "n1": "Anchor spacing (LEDs)",
+    "n2": "Max icicle length (LEDs)",
+    "n3": "Phase step per refresh",
+    "max_colors": 10,
+    "min_delay": 10,
+    "max_delay": 10000,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "blizzard": {
+    "supports_reverse": true,
+    "n1": "Flake density",
+    "n2": "Fall speed",
+    "n3": "Wind (128 = centred; lower/raise for drift bias)",
+    "max_colors": 10,
+    "min_delay": 10,
+    "max_delay": 10000,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "rime": {
+    "n1": "Crystallisation rate",
+    "n2": "Melt (decay) per refresh",
+    "n3": "Spark cap (LEDs refreshed per cycle)",
+    "max_colors": 10,
+    "min_delay": 10,
+    "max_delay": 10000,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "candle_glow": {
+    "n1": "Candle count",
+    "n2": "Glow width (LEDs)",
+    "n3": "Flicker strength",
+    "max_colors": 10,
+    "min_delay": 10,
+    "max_delay": 10000,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "orbit": {
+    "n1": "Orbit count",
+    "n2": "Base speed",
+    "max_colors": 10,
+    "min_delay": 10,
+    "max_delay": 10000,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "palette_morph": {
+    "n1": "Morph ms",
+    "n2": "Warp rate",
+    "n3": "Turbulence",
+    "max_colors": 10,
+    "min_delay": 10,
+    "max_delay": 10000,
+    "supports_manual": false
+  },
+  "meteor": {
+    "supports_reverse": true,
+    "n1": "Tail length (0–1) or eye width (2)",
+    "n2": "Speed (LEDs per frame)",
+    "n3": "Fade amount (0), comet gap (1), or end pause frames (2)",
+    "mode": {
+      "0": "Fading meteor",
+      "1": "Dual comets",
+      "2": "Bouncing scanner"
+    },
+    "min_delay": 10,
+    "max_delay": 10000,
+    "max_colors": 10,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "particles": {
+    "supports_reverse": true,
+    "n1": "Flake density (0) or spawn rate (1)",
+    "n2": "Fall speed (LEDs per frame)",
+    "n3": "Unused (0) or streak length (1)",
+    "mode": {
+      "0": "Snowfall flakes",
+      "1": "Starfall streaks"
+    },
+    "min_delay": 10,
+    "max_delay": 10000,
+    "max_colors": 10,
+    "has_background": true,
+    "supports_manual": true
+  },
+  "sparkle": {
+    "n1": "Spark density (0–1) or firefly count (2)",
+    "n2": "Trail decay (0) or twinkle speed (2)",
+    "n3": "Ice halo width LEDs (1); unused in 0 and 2",
+    "mode": {
+      "0": "Sparkle trail",
+      "1": "Ice burst + halo",
+      "2": "Fireflies"
+    },
+    "min_delay": 10,
+    "max_delay": 10000,
+    "max_colors": 10,
+    "has_background": true,
+    "supports_manual": true
+  }
 }

db/presets/10.bin

@@ -0,0 +1,3 @@
+PRST1xœ%ÎÁ
+Â0Ð_‘ñšCSµJîæ'D$¶«
+ÄÝ’¦ˆˆÿntOovæ²opxz‘´zŽ±¦P

db/presets/11.bin

@@ -0,0 +1,2 @@
+PRST1xњ%ОAВ …б»<·,J5\Е4
+К $84SX4Ж»‹eхеНlюШЅ	B

db/presets/12.bin

@@ -0,0 +1 @@
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db/profile.json

@@ -1 +1 @@
-{"1": {"name": "default", "type": "tabs", "tabs": ["1", "8"], "scenes": [], "palette_id": "1"}, "2": {"name": "test", "type": "tabs", "tabs": ["6", "7"], "scenes": [], "palette_id": "12"}}
+{"1":{"name":"default","type":"zones","zones":["1","9","8","10"],"scenes":[],"palette_id":"1"},"2":{"name":"test","type":"zones","zones":["6","7"],"scenes":[],"palette_id":"12"},"3":{"name":"Winter","type":"zones","zones":["11","12"],"scenes":[],"palette_id":"14"}}

db/tab.json

@@ -1 +0,0 @@
-{"1": {"name": "default", "names": ["1", "2", "3", "4", "5", "6", "7", "8", "0", "a"], "presets": [["4", "2", "7"], ["15", "3", "14"], ["5", "8", "10"], ["11", "9", "12"], ["1", "13", "37"]], "presets_flat": ["4", "2", "7", "15", "3", "14", "5", "8", "10", "11", "9", "12", "1", "13", "37"], "default_preset": "15"}, "2": {"name": "default", "names": ["1", "2", "3", "4", "5", "6", "7", "8", "0", "a"], "presets": [["16", "17", "18"], ["19", "20", "21"], ["22", "23", "24"], ["25", "26", "27"], ["28", "29", "30"]], "presets_flat": ["16", "17", "18", "19", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "30"]}, "3": {"name": "default", "names": ["1"], "presets": [], "default_preset": null}, "4": {"name": "default", "names": ["1"], "presets": [], "default_preset": null}, "5": {"name": "dj", "names": ["dj"], "presets": [["31", "32", "33"]], "default_preset": "31", "presets_flat": ["31", "32", "33"]}, "6": {"name": "default", "names": ["1"], "presets": [], "default_preset": null}, "7": {"name": "dj", "names": ["dj"], "presets": [["34", "35", "36"]], "default_preset": "34", "presets_flat": ["34", "35", "36"]}, "8": {"name": "test", "names": ["11"], "presets": [["1", "2", "3"], ["4", "5"]], "default_preset": "1", "presets_flat": ["1", "2", "3", "4", "5"]}}

dev.py

@@ -1,53 +0,0 @@
-#!/usr/bin/env python3
-
-import subprocess
-import serial
-import sys
-
-print(sys.argv)
-
-# Extract port (first arg if it's not a command)
-commands = ["src", "lib", "ls", "reset", "follow", "db"]
-port = None
-if len(sys.argv) > 1 and sys.argv[1] not in commands:
-    port = sys.argv[1]
-
-
-for cmd in sys.argv[1:]:
-    print(cmd)
-    match cmd:
-        case "src":
-            if port:
-                subprocess.call(["mpremote", "connect", port, "fs", "cp", "-r", ".", ":" ], cwd="src")
-            else:
-                print("Error: Port required for 'src' command")
-        case "lib":
-            if port:
-                subprocess.call(["mpremote", "connect", port, "fs", "cp", "-r", "lib", ":" ])
-            else:
-                print("Error: Port required for 'lib' command")
-        case "ls":
-            if port:
-                subprocess.call(["mpremote", "connect", port, "fs", "ls", ":" ])
-            else:
-                print("Error: Port required for 'ls' command")
-        case "reset":
-            if port:
-                with serial.Serial(port, baudrate=115200) as ser:
-                    ser.write(b'\x03\x03\x04')
-            else:
-                print("Error: Port required for 'reset' command")
-        case "follow":
-            if port:
-                with serial.Serial(port, baudrate=115200) as ser:
-                    while True:
-                        if ser.in_waiting > 0:  # Check if there is data in the buffer
-                            data = ser.readline().decode('utf-8').strip()  # Read and decode the data
-                            print(data)
-            else:
-                print("Error: Port required for 'follow' command")
-        case "db":
-            if port:
-                subprocess.call(["mpremote", "connect", port, "fs", "cp", "-r", "db", ":" ])
-            else:
-                print("Error: Port required for 'db' command")

docs/API.md

@@ -2,10 +2,12 @@
 
 This document covers:
 
-1. **HTTP and WebSocket** exposed by the Raspberry Pi app (`src/main.py`) — profiles, presets, transport send, and related resources.
+1. **HTTP and WebSocket** exposed by the Raspberry Pi app (`src/main.py`) — profiles, zones, presets, transport send, pattern OTA helpers, and related resources.
-2. **LED driver JSON** — the compact message format sent over the serial→ESP-NOW bridge to devices (same logical API as ESP-NOW payloads).
+2. **LED driver JSON** — the compact **v1** message format. It is sent over the **serial → ESP-NOW bridge** to ESP32 peers and as **single JSON text messages** over the **outbound WebSocket** to **Wi-Fi** drivers (same logical fields).
 
-Default listen address: `0.0.0.0`. Port defaults to **80**; override with the `PORT` environment variable (see `pipenv run run`).
+Default HTTP listen address: `0.0.0.0`. Port defaults to **80**; override with the **`PORT`** environment variable (see `pipenv run run`).
+
+**Serial:** UART path and baud come from settings (defaults include `serial_port` such as `/dev/ttyS0` and `serial_baudrate`). **Wi-Fi drivers:** **UDP** on port **8766** is the **discovery** channel: each driver’s JSON hello (**`device_name`**, **MAC**, optional **`type`**) **creates or updates** that device in **`db/device.json`** (keyed by MAC); the Pi echoes the datagram. After a valid hello with **`v`:** **`"1"`**, the Pi also opens an **outbound WebSocket** to that IP (**`wifi_driver_ws_port`**, default **80**; **`wifi_driver_ws_path`**, default **`/ws`**) for v1 commands; presets are not pushed automatically on connect (use **Send Presets** / profile apply). The Pi may send periodic UDP **hello** nudges to known Wi‑Fi device IPs when the WebSocket is down (**`wifi_driver_hello_interval_s`** in settings).
 
 All JSON APIs use `Content-Type: application/json` for bodies and responses unless noted.
 
@@ -15,8 +17,8 @@ All JSON APIs use `Content-Type: application/json` for bodies and responses unle
 
 The main UI has two modes controlled by the mode toggle:
 
-- **Run mode**: optimized for operation (tab/preset selection and profile apply).
+- **Run mode**: optimized for operation (zone/preset selection and profile apply).
-- **Edit mode**: shows editing/management controls (tabs, presets, patterns, colour palette, send presets, and profile management actions).
+- **Edit mode**: shows editing/management controls (zones, presets, patterns, colour palette, send presets, profile management actions, **Devices** registry for LED driver names/MACs, and related tools).
 
 Profiles are available in both modes, but behavior differs:
 
@@ -40,7 +42,7 @@ Profiles are selected with **`POST /profiles/<id>/apply`**, which sets `current_
 | Method | Path | Description |
 |--------|------|-------------|
 | GET | `/` | Main UI (`templates/index.html`) |
-| GET | `/settings` | Settings page (`templates/settings.html`) |
+| GET | `/settings/page` | Standalone settings page (`templates/settings.html`) |
 | GET | `/favicon.ico` | Empty response (204) |
 | GET | `/static/<path>` | Static files under `src/static/` |
 
@@ -50,10 +52,12 @@ Profiles are selected with **`POST /profiles/<id>/apply`**, which sets `current_
 
 Connect to **`ws://<host>:<port>/ws`**.
 
-- Send **JSON**: the object is forwarded to the transport (serial bridge → ESP-NOW) as JSON. Optional key **`to`**: 12-character hex MAC address; if present it is removed from the object and the payload is sent to that peer; otherwise the default destination is used.
+- Send **JSON**: the object is forwarded through the **serial sender** (6-byte MAC prefix + payload to the ESP-NOW bridge). Optional key **`to`**: 12-character hex MAC address; if present it is removed from the object and the payload is sent to that peer; otherwise the default destination from settings is used.
 - Send **non-JSON text**: forwarded as raw bytes with the default address.
 - On send failure, the server may reply with `{"error": "Send failed"}`.
 
+Wi-Fi devices are not targeted by `/ws` directly; use **`POST /presets/send`**, device routes, or **`POST /patterns/<name>/send`** as appropriate.
+
 ---
 
 ## HTTP API by resource
@@ -68,7 +72,30 @@ Below, `<id>` values are string identifiers used by the JSON stores (numeric str
 | PUT | `/settings/settings` | Merge keys into settings and save. Returns `{"message": "Settings updated successfully"}`. |
 | GET | `/settings/wifi/ap` | Saved Wi‑Fi AP fields: `saved_ssid`, `saved_password`, `saved_channel`, `active` (Pi: `active` is always false). |
 | POST | `/settings/wifi/ap` | Body: `ssid` (required), `password`, `channel` (1–11). Persists AP-related settings. |
-| GET | `/settings/page` | Serves `templates/settings.html` (same page as `GET /settings` from the root app, for convenience). |
+| GET | `/settings/page` | Serves `templates/settings.html`. |
+
+### Devices — `/devices`
+
+Registry in `db/device.json`: storage key **`<id>`** (string, e.g. `"1"`) maps to an object that always includes:
+
+| Field | Description |
+|-------|-------------|
+| **`id`** | Same as the storage key (stable handle for URLs). |
+| **`name`** | Shown in the UI and used in `select` keys. |
+| **`type`** | `led` (only value today; extensible). |
+| **`transport`** | `espnow` or `wifi`. |
+| **`address`** | For **`espnow`**: optional 12-character lowercase hex MAC. For **`wifi`**: optional IP or hostname string. |
+| **`default_pattern`**, **`zones`** | Optional. Legacy **`tabs`** may still appear in old files and is migrated away on load. |
+
+Existing records without `type` / `transport` / `id` are backfilled on load (`led`, `espnow`, and `id` = key).
+
+| Method | Path | Description |
+|--------|------|-------------|
+| GET | `/devices` | Map of device id → device object. |
+| GET | `/devices/<id>` | One device, 404 if missing. |
+| POST | `/devices` | Create. Body: **`name`** (required), **`type`** (default `led`), **`transport`** (default `espnow`), optional **`address`**, **`default_pattern`**, **`zones`**. Returns `{ "<id>": { ... } }`, 201. |
+| PUT | `/devices/<id>` | Partial update. **`name`** cannot be cleared. **`id`** in the body is ignored. **`type`** / **`transport`** validated; **`address`** normalised for the resulting transport. |
+| DELETE | `/devices/<id>` | Remove device. |
 
 ### Profiles — `/profiles`
 
@@ -77,9 +104,9 @@ Below, `<id>` values are string identifiers used by the JSON stores (numeric str
 | GET | `/profiles` | `{"profiles": {...}, "current_profile_id": "<id>"}`. Ensures a default current profile when possible. |
 | GET | `/profiles/current` | `{"id": "...", "profile": {...}}` |
 | GET | `/profiles/<id>` | Single profile. If `<id>` is `current`, same as `/profiles/current`. |
-| POST | `/profiles` | Create profile. Body may include `name` and other fields. Optional `seed_dj_tab` (request-only) seeds a DJ tab + presets. New profiles always get a populated `default` tab. Returns `{ "<id>": { ... } }` with status 201. |
+| POST | `/profiles` | Create profile. Body may include `name` and other fields. Optional `seed_dj_zone` (request-only) seeds a DJ zone + presets. New profiles always get a populated `default` zone. Returns `{ "<id>": { ... } }` with status 201. |
 | POST | `/profiles/<id>/apply` | Sets session current profile to `<id>`. |
-| POST | `/profiles/<id>/clone` | Clone profile (tabs, palettes, presets). Body may include `name`. |
+| POST | `/profiles/<id>/clone` | Clone profile (zones, palettes, presets). Body may include `name`. |
 | PUT | `/profiles/current` | Update the current profile (from session). |
 | PUT | `/profiles/<id>` | Update profile by id. |
 | DELETE | `/profiles/<id>` | Delete profile. |
@@ -120,18 +147,18 @@ Stored preset records can include:
 - `colors`: resolved hex colours for editor/display.
 - `palette_refs`: optional array of palette indexes parallel to `colors`. If a slot contains an integer index, the colour is linked to the current profile palette at that index.
 
-### Tabs — `/tabs`
+### Zones — `/zones`
 
 | Method | Path | Description |
 |--------|------|-------------|
-| GET | `/tabs` | `tabs`, `tab_order`, `current_tab_id`, `profile_id` for the session-backed profile. |
+| GET | `/zones` | `zones` (map of zone id → zone object), `zone_order`, `current_zone_id`, `profile_id` for the session-backed profile. |
-| GET | `/tabs/current` | Current tab from cookie/session. |
+| GET | `/zones/current` | Current zone from cookie/session. |
-| POST | `/tabs` | Create tab; optional JSON `name`, `names`, `presets`; can append to current profile’s tab list. |
+| POST | `/zones` | Create zone; optional JSON `name`, `names`, `presets`; can append to current profile’s zone list. |
-| GET | `/tabs/<id>` | Tab JSON. |
+| GET | `/zones/<id>` | Zone JSON. |
-| PUT | `/tabs/<id>` | Update tab. |
+| PUT | `/zones/<id>` | Update zone. |
-| DELETE | `/tabs/<id>` | Delete tab; can delete `current` to remove the active tab; updates profile tab list. |
+| DELETE | `/zones/<id>` | Delete zone; can delete `current` to remove the active zone; updates profile zone list. |
-| POST | `/tabs/<id>/set-current` | Sets `current_tab` cookie. |
+| POST | `/zones/<id>/set-current` | Sets `current_zone` cookie. |
-| POST | `/tabs/<id>/clone` | Clone tab into current profile. |
+| POST | `/zones/<id>/clone` | Clone zone into current profile. |
 
 ### Palettes — `/palettes`
 
@@ -175,20 +202,33 @@ Stored preset records can include:
 
 ### Patterns — `/patterns`
 
+Pattern metadata lives in **`db/pattern.json`**; driver source files live under **`led-driver/src/patterns/`**. Several routes expose a **runtime map** (metadata merged with on-disk `.py` names so new files appear in menus).
+
 | Method | Path | Description |
 |--------|------|-------------|
-| GET | `/patterns/definitions` | Contents of `pattern.json` (pattern metadata for the UI). |
+| GET | `/patterns` | Runtime pattern map (object keyed by pattern id). |
-| GET | `/patterns` | All pattern records. |
+| GET | `/patterns/definitions` | Same runtime map (intended for UI “definitions” clients). |
-| GET | `/patterns/<id>` | One pattern. |
+| GET | `/patterns/ota/manifest` | JSON `{"files":[{"name":"blink.py","url":"http://<Host>/patterns/ota/file/blink.py"},...]}` for OTA pulls. Requires **`Host`** header. |
+| GET | `/patterns/ota/file/<name>` | Raw **`.py`** source for one driver pattern (`name` must be a safe filename, e.g. `rainbow.py`). |
+| POST | `/patterns/<name>/send` | Push a **manifest** JSON line to **Wi-Fi** devices so they pull one pattern file over HTTP. Body may include **`device_id`** to target one device; otherwise all Wi-Fi devices with an **`address`** are tried. **`<name>`** may be with or without `.py`. |
+| POST | `/patterns/upload` | Body JSON: **`name`**, **`code`**, optional **`overwrite`** (default true). Writes **`led-driver/src/patterns/<name>.py`**. |
+| POST | `/patterns/driver` | Body JSON: **`name`** (identifier), **`code`**, optional metadata (`min_delay`, `max_delay`, `max_colors`, `n1`…`n8`, **`overwrite`**). Creates/updates both the **`.py`** file and **`db/pattern.json`** via the Pattern model. |
+| GET | `/patterns/<id>` | One pattern record from the Pattern model (metadata only). |
 | POST | `/patterns` | Create (`name`, optional `data`). |
 | PUT | `/patterns/<id>` | Update. |
 | DELETE | `/patterns/<id>` | Delete. |
 
+**Devices — pattern OTA push**
+
+| Method | Path | Description |
+|--------|------|-------------|
+| POST | `/devices/<id>/patterns/push` | Wi-Fi only. Asks the driver at **`address`** to pull pattern files from this server. Optional body **`manifest`**: either a **URL string** pointing at a manifest JSON document, or a **manifest object** (same shape as in driver messages). If omitted, a default manifest is built from the request **`Host`** header. |
+
 ---
 
-## LED driver message format (transport / ESP-NOW)
+## LED driver message format (transport / ESP-NOW / Wi-Fi)
 
-Messages are JSON objects. The Pi **`build_message()`** helper (`src/util/espnow_message.py`) produces the same shape sent over serial and forwarded by the ESP32 bridge.
+Messages are JSON objects. The Pi **`build_message()`** helper (`src/util/espnow_message.py`) produces the same shape sent over serial and forwarded by the ESP32 bridge, and the same logical object can be sent as a **single JSON text message** to a Wi-Fi driver over the **WebSocket**.
 
 ### Top-level fields
 

docs/SPECIFICATION.md

@@ -350,10 +350,10 @@ Manage connected devices and create/manage device groups.
 
 #### Layout
 - **Header:** Title with "Add Device" button
-- **Tabs:** Devices and Groups tabs
+- **Zones:** Devices and Groups zones (zone buttons / zone strip)
-- **Content Area:** Tab-specific content
+- **Content Area:** Zone-specific content
 
-#### Devices Tab
+#### Devices Zone
 
 **Device List**
 - **Display:** List of all known devices
@@ -375,7 +375,7 @@ Manage connected devices and create/manage device groups.
 - **Actions:** Cancel, Save
 - **Note:** Only one master device per system. Adding a new master will demote existing master to slave.
 
-#### Groups Tab
+#### Groups Zone
 
 **Group List**
 - **Display:** List of all device groups
@@ -397,7 +397,7 @@ Manage connected devices and create/manage device groups.
 - **Actions:** Cancel, Create
 
 #### Design Specifications
-- **Tab Style:** Active tab has purple background, white text
+- **Zone Style:** Active zone has purple background, white text
 - **List Items:** Bordered cards with hover effects
 - **Modal:** Centered overlay with white card, shadow
 - **Status Badges:** Colored pills (green for online, red for offline)
@@ -1495,7 +1495,7 @@ peak_mem = usqlite.mem_peak()
 
 ### Flow 2: Create Device Group
 
-1. User navigates to Device Management → Groups tab
+1. User navigates to Device Management → Groups zone
 2. User clicks "Create Group", enters name, selects pattern/settings
 3. User selects devices to add (can include master), clicks "Create"
 4. Group appears in list
@@ -1774,7 +1774,7 @@ peak_mem = usqlite.mem_peak()
 - Buttons respond to clicks
 - Sliders update values
 - Modals open/close
-- Tabs switch correctly
+- Zone buttons switch correctly
 - Preset selector works
 - Preset creation form validates input
 - Preset cards display correctly

docs/help.md

@@ -1,6 +1,6 @@
 # LED controller — user guide
 
-This page describes the **main web UI** served from the Raspberry Pi app: profiles, tabs, presets, colour palettes, and sending commands to LED devices over the serial → ESP-NOW bridge.
+This page describes the **main web UI** served from the Raspberry Pi app: profiles, **zones**, presets, colour palettes, and sending commands to LED devices. Traffic may go over the **serial → ESP-NOW bridge** or **Wi-Fi** (TCP to drivers on the LAN), depending on each device’s transport.
 
 For HTTP routes and the wire format the driver expects, see **[API.md](API.md)**. For running the app locally, see the project **README**.
 
@@ -12,38 +12,38 @@ Figures below are **schematic** (layout and ideas), not pixel-perfect screenshot
 
 The header has a mode toggle (desktop and mobile menu). The **label on the button is the mode you switch to** when you press it.
 
-![Schematic: tab buttons on the left; Profiles, Tabs, Presets, Patterns, and the mode toggle on the right (example shows Edit mode with “Run mode” on the button).](images/help/header-toolbar.svg)
+![Schematic: zone buttons on the left; Profiles, Zones, Presets, Patterns, and the mode toggle on the right (example shows Edit mode with “Run mode” on the button).](images/help/header-toolbar.svg)
 
-*The active tab is highlighted. Extra management buttons appear only in Edit mode.*
+*The active zone is highlighted. Extra management buttons appear only in Edit mode.*
 
 | Mode | Purpose |
 |------|--------|
-| **Run mode** | Day-to-day control: choose a tab, tap presets, apply profiles. Management buttons are hidden. |
+| **Run mode** | Day-to-day control: choose a zone, tap presets, apply profiles. Management buttons are hidden. |
-| **Edit mode** | Full setup: tabs, presets, patterns, colour palette, **Send Presets**, profile create/clone/delete, preset reordering, and per-tile **Edit** on the strip. |
+| **Edit mode** | Full setup: zones, presets, patterns, colour palette, **Send Presets**, profile create/clone/delete, preset reordering, and per-tile **Edit** on the strip. |
 
 **Profiles** is available in both modes: in Run mode you can only **apply** a profile; in Edit mode you can also **create**, **clone**, and **delete** profiles.
 
 ---
 
-## Tabs
+## Zones
 
-- **Select a tab**: click its button in the top bar. The main area shows that tab’s preset strip and controls.
+- **Select a zone**: click its button in the top bar. The main area shows that zone’s preset strip and controls.
-- **Edit mode — open tab settings**: **right-click** a tab button to change its name, **device IDs** (comma-separated), and which presets appear on the tab. Device identifiers are matched to each device’s **name** when the app builds `select` messages for the driver.
+- **Edit mode — open zone settings**: **right-click** a zone button to change its name, **device IDs** (comma-separated), and which presets appear on the zone. Device identifiers are matched to each device’s **name** when the app builds `select` messages for the driver.
-- **Tabs modal** (Edit mode): create new tabs from the header **Tabs** button. New tabs need a name and device ID list (defaults to `1` if you leave a simple placeholder).
+- **Zones modal** (Edit mode): create new zones from the header **Zones** button. New zones need a name and device ID list (defaults to `1` if you leave a simple placeholder).
-- **Brightness slider** (per tab): adjusts **global** brightness sent to devices (`b` in the driver message), with a short debounce so small drags do not flood the link.
+- **Brightness slider** (per zone): adjusts **global** brightness sent to devices (`b` in the driver message), with a short debounce so small drags do not flood the link.
 
 ---
 
-## Presets on the tab strip
+## Presets on the zone strip
 
-- **Run and Edit mode**: click the **main part** of a preset tile to **select** that preset on all devices assigned to the current tab (same logical action as a `select` in the driver API).
+- **Run and Edit mode**: click the **main part** of a preset tile to **select** that preset on all devices assigned to the current zone (same logical action as a `select` in the driver API).
 - **Edit mode only**:
-  - **Edit** beside a tile opens the preset editor for that preset, scoped to the current tab (so you can **Remove from tab** without deleting the preset from the profile).
+  - **Edit** beside a tile opens the preset editor for that preset, scoped to the current zone (so you can **Remove from zone** without deleting the preset from the profile).
-  - **Drag and drop** tiles to reorder them; order is saved for that tab.
+  - **Drag and drop** tiles to reorder them; order is saved for that zone.
 
-![Schematic: tab title, brightness slider, and a row of preset tiles; Edit mode adds an Edit control and drag handles for reordering.](images/help/tab-preset-strip.svg)
+![Schematic: zone title, brightness slider, and a row of preset tiles; Edit mode adds an Edit control and drag handles for reordering.](images/help/zone-preset-strip.svg)
 
-*The slider controls global brightness for the tab’s devices. Click the coloured area of a tile to select that preset.*
+*The slider controls global brightness for the zone’s devices. Click the coloured area of a tile to select that preset.*
 
 The **Presets** header button (Edit mode) opens a **profile-wide** list: **Add** new presets, **Edit**, **Send** (push definition over the transport), and **Delete** (removes the preset from the profile entirely).
 
@@ -55,10 +55,10 @@ The **Presets** header button (Edit mode) opens a **profile-wide** list: **Add**
 - **Colours**: choosing a value in the colour picker **adds** a swatch when the picker closes. Swatches can be **reordered** by dragging. Changing a swatch with the picker **clears** palette linkage for that slot.
 - **From Palette**: inserts a colour **linked** to the current profile’s palette. Linked slots show a **P** badge; if you change that palette entry later, presets using it update.
 - **Brightness (0–255)** and **Delay (ms)**: stored on the preset and sent with the compact preset payload.
-- **Try**: sends the current form values to devices on the **current tab**, then selects that preset — **without** `save` on the device (good for auditioning).
+- **Try**: sends the current form values to devices on the **current zone**, then selects that preset — **without** `save` on the device (good for auditioning).
-- **Default**: updates the tab’s **default preset** and sends a **default** hint for those devices; it does not force the same live selection behaviour as clicking a tile.
+- **Default**: updates the zone’s **default preset** and sends a **default** hint for those devices; it does not force the same live selection behaviour as clicking a tile.
 - **Save & Send**: writes the preset to the server, then pushes definitions with **save** so devices may persist them. It does **not** auto-select the preset on devices (use the strip or **Try** if you want that).
-- **Remove from tab** (when you opened the editor from a tab): removes the preset from **this tab’s list only**; the preset remains in the profile for other tabs.
+- **Remove from zone** (when you opened the editor from a zone): removes the preset from **this zone’s list only**; the preset remains in the profile for other zones.
 
 ![Schematic: preset editor with name, pattern, colour swatches (one with a P badge for palette-linked), and action buttons.](images/help/preset-editor.svg)
 
@@ -68,21 +68,23 @@ The **Presets** header button (Edit mode) opens a **profile-wide** list: **Add**
 
 ## Profiles
 
-- **Apply**: sets the **current profile** in your session. Tabs and presets you see are scoped to that profile.
+- **Apply**: sets the **current profile** in your session. Zones and presets you see are scoped to that profile.
-- **Edit mode — Create**: new profiles always get a populated **default** tab. Optionally tick **DJ tab** to also create a `dj` tab (device name `dj`) with starter DJ-oriented presets.
+- **Edit mode — Create**: new profiles always get a populated **default** zone. Optionally tick **DJ zone** to also create a `dj` zone (device name `dj`) with starter DJ-oriented presets.
 - **Clone** / **Delete**: available in Edit mode from the profile list.
 
 ---
 
 ## Send Presets (Edit mode)
 
-**Send Presets** walks **every tab** in the **current profile**, collects each tab’s preset IDs, and calls **`POST /presets/send`** per tab (including each tab’s **default** preset when set). Use this to bulk-push definitions to hardware after editing, without clicking **Send** on every preset individually.
+**Send Presets** walks **every zone** in the **current profile**, collects each zone’s preset IDs, and calls **`POST /presets/send`** per zone (including each zone’s **default** preset when set). Use this to bulk-push definitions to hardware after editing, without clicking **Send** on every preset individually.
 
 ---
 
 ## Patterns
 
-The **Patterns** dialog (Edit mode) is a **read-only reference**: pattern names and typical **delay** ranges from the pattern definitions. It does not change device behaviour by itself; patterns are chosen inside the preset editor.
+The **Patterns** dialog (Edit mode) lists pattern names and typical **delay** ranges from the pattern definitions. Choosing a pattern still happens inside the preset editor.
+
+**Wi-Fi drivers** can install new pattern modules over HTTP: the REST API exposes **`/patterns/ota/*`**, **`POST /patterns/<name>/send`**, **`POST /patterns/upload`**, and **`POST /patterns/driver`** (see [API.md](API.md)). ESP-NOW devices follow the bridge/serial path you configure for preset traffic.
 
 ---
 
@@ -98,15 +100,15 @@ The **Patterns** dialog (Edit mode) is a **read-only reference**: pattern names
 
 ## Mobile layout
 
-On narrow screens, use **Menu** to reach the same actions as the desktop header (Profiles, Tabs, Presets, Help, mode toggle, etc.).
+On narrow screens, use **Menu** to reach the same actions as the desktop header (Profiles, Zones, Presets, Help, mode toggle, etc.).
 
 ![Schematic: narrow layout with Menu and the same header actions in a dropdown.](images/help/mobile-menu.svg)
 
-*Preset tiles behave the same once a tab is selected.*
+*Preset tiles behave the same once a zone is selected.*
 
 ---
 
 ## Further reading
 
-- **[API.md](API.md)** — REST routes, session scoping, WebSocket `/ws`, and LED driver JSON (`presets`, `select`, `save`, `default`, pattern keys).
+- **[API.md](API.md)** — REST routes, session scoping, WebSocket `/ws`, and LED driver JSON (`presets`, `select`, `save`, `default`, pattern keys, pattern **manifest**).
 - **README** — `pipenv run run`, port 80 setup, and high-level behaviour.

docs/mockups/device-management.html

@@ -67,7 +67,7 @@
             box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
         }
 
-        .tab {
+        .zone {
             flex: 1;
             padding: 12px 24px;
             border: none;
@@ -78,16 +78,16 @@
             transition: all 0.2s;
         }
 
-        .tab.active {
+        .zone.active {
             background: #667eea;
             color: white;
         }
 
-        .tab-content {
+        .zone-content {
             display: none;
         }
 
-        .tab-content.active {
+        .zone-content.active {
             display: block;
         }
 
@@ -249,12 +249,12 @@
         </div>
 
         <div class="tabs">
-            <button class="tab active" onclick="switchTab('devices')">Devices</button>
+            <button class="zone active" onclick="switchTab('devices')">Devices</button>
-            <button class="tab" onclick="switchTab('groups')">Groups</button>
+            <button class="zone" onclick="switchTab('groups')">Groups</button>
         </div>
 
-        <!-- Devices Tab -->
+        <!-- Devices Zone -->
-        <div id="devices-tab" class="tab-content active">
+        <div id="devices-zone" class="zone-content active">
             <div class="card">
                 <h2>Connected Devices</h2>
                 <div class="device-item">
@@ -313,8 +313,8 @@
             </div>
         </div>
 
-        <!-- Groups Tab -->
+        <!-- Groups Zone -->
-        <div id="groups-tab" class="tab-content">
+        <div id="groups-zone" class="zone-content">
             <div class="card">
                 <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;">
                     <h2>Groups</h2>
@@ -386,12 +386,12 @@
     </div>
 
     <script>
-        function switchTab(tab) {
+        function switchTab(zone) {
-            document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
+            document.querySelectorAll('.zone').forEach(t => t.classList.remove('active'));
-            document.querySelectorAll('.tab-content').forEach(c => c.classList.remove('active'));
+            document.querySelectorAll('.zone-content').forEach(c => c.classList.remove('active'));
             
             event.target.classList.add('active');
-            document.getElementById(tab + '-tab').classList.add('active');
+            document.getElementById(zone + '-zone').classList.add('active');
         }
 
         function showAddDeviceModal() {

esp32/benchmark_peers.py

@@ -1,112 +0,0 @@
-# Benchmark: LRU eviction vs add-then-remove-after-use on ESP32.
-# Run on device: mpremote run esp32/benchmark_peers.py
-# (add/del_peer are timed; send() may fail if no peer is listening - timing still valid)
-import espnow
-import network
-import time
-
-BROADCAST = b"\xff\xff\xff\xff\xff\xff"
-MAX_PEERS = 20
-ITERATIONS = 50
-PAYLOAD = b"x" * 32  # small payload
-
-network.WLAN(network.STA_IF).active(True)
-esp = espnow.ESPNow()
-esp.active(True)
-esp.add_peer(BROADCAST)
-
-# Build 19 dummy MACs so we have 20 peers total (broadcast + 19).
-def mac(i):
-    return bytes([0, 0, 0, 0, 0, i])
-peers_list = [mac(i) for i in range(1, 20)]
-for p in peers_list:
-    esp.add_peer(p)
-
-# One "new" MAC we'll add/remove.
-new_mac = bytes([0, 0, 0, 0, 0, 99])
-
-def bench_lru():
-    """LRU: ensure_peer (evict oldest + add new), send, update last_used."""
-    last_used = {BROADCAST: time.ticks_ms()}
-    for p in peers_list:
-        last_used[p] = time.ticks_ms()
-    # Pre-remove one so we have 19; ensure_peer(new) will add 20th.
-    esp.del_peer(peers_list[-1])
-    last_used.pop(peers_list[-1], None)
-    # Now 19 peers. Each iteration: ensure_peer(new) -> add_peer(new), send, update.
-    # Next iter: ensure_peer(new) -> already there, just send. So we need to force
-    # eviction each time: use a different "new" each time so we always evict+add.
-    t0 = time.ticks_us()
-    for i in range(ITERATIONS):
-        addr = bytes([0, 0, 0, 0, 0, 50 + (i % 30)])  # 30 different "new" MACs
-        peers = esp.get_peers()
-        peer_macs = [p[0] for p in peers]
-        if addr not in peer_macs:
-            if len(peer_macs) >= MAX_PEERS:
-                oldest_mac = None
-                oldest_ts = time.ticks_ms()
-                for m in peer_macs:
-                    if m == BROADCAST:
-                        continue
-                    ts = last_used.get(m, 0)
-                    if ts <= oldest_ts:
-                        oldest_ts = ts
-                        oldest_mac = m
-                if oldest_mac is not None:
-                    esp.del_peer(oldest_mac)
-                    last_used.pop(oldest_mac, None)
-            esp.add_peer(addr)
-        esp.send(addr, PAYLOAD)
-        last_used[addr] = time.ticks_ms()
-    t1 = time.ticks_us()
-    return time.ticks_diff(t1, t0)
-
-def bench_add_then_remove():
-    """Add peer, send, del_peer (remove after use). At 20 we must del one first."""
-    # Start full: 20 peers. To add new we del any one, add new, send, del new.
-    victim = peers_list[0]
-    t0 = time.ticks_us()
-    for i in range(ITERATIONS):
-        esp.del_peer(victim)  # make room
-        esp.add_peer(new_mac)
-        esp.send(new_mac, PAYLOAD)
-        esp.del_peer(new_mac)
-        esp.add_peer(victim)  # put victim back so we're at 20 again
-    t1 = time.ticks_us()
-    return time.ticks_diff(t1, t0)
-
-def bench_send_existing():
-    """Baseline: send to existing peer only (no add/del)."""
-    t0 = time.ticks_us()
-    for _ in range(ITERATIONS):
-        esp.send(peers_list[0], PAYLOAD)
-    t1 = time.ticks_us()
-    return time.ticks_diff(t1, t0)
-
-print("ESP-NOW peer benchmark ({} iterations)".format(ITERATIONS))
-print()
-
-# Baseline: send to existing peer
-try:
-    us = bench_send_existing()
-    print("Send to existing peer only: {:>8} us total  {:>7.1f} us/iter".format(us, us / ITERATIONS))
-except Exception as e:
-    print("Send existing failed:", e)
-print()
-
-# LRU: evict oldest then add new, send
-try:
-    us = bench_lru()
-    print("LRU (evict oldest + add + send): {:>8} us total  {:>7.1f} us/iter".format(us, us / ITERATIONS))
-except Exception as e:
-    print("LRU failed:", e)
-print()
-
-# Add then remove after use
-try:
-    us = bench_add_then_remove()
-    print("Add then remove after use:       {:>8} us total  {:>7.1f} us/iter".format(us, us / ITERATIONS))
-except Exception as e:
-    print("Add-then-remove failed:", e)
-print()
-print("Done.")

esp32/main.py

@@ -1,72 +0,0 @@
-# Serial-to-ESP-NOW bridge: receives from Pi on UART, forwards to ESP-NOW peers.
-# Wire format: first 6 bytes = destination MAC, rest = payload. Address is always 6 bytes.
-from machine import Pin, UART
-import espnow
-import network
-import time
-
-UART_BAUD = 912000
-BROADCAST = b"\xff\xff\xff\xff\xff\xff"
-MAX_PEERS = 20
-# Match led-driver / controller default settings wifi_channel (1–11)
-WIFI_CHANNEL = 6
-
-sta = network.WLAN(network.STA_IF)
-sta.active(True)
-sta.config(pm=network.WLAN.PM_NONE, channel=WIFI_CHANNEL)
-print("WiFi STA channel:", sta.config("channel"), "(WIFI_CHANNEL=%s)" % WIFI_CHANNEL)
-
-esp = espnow.ESPNow()
-esp.active(True)
-esp.add_peer(BROADCAST)
-
-uart = UART(1, UART_BAUD, tx=Pin(21), rx=Pin(6))
-
-# Track last send time per peer for LRU eviction (remove oldest when at limit).
-last_used = {BROADCAST: time.ticks_ms()}
-
-
-# ESP_ERR_ESPNOW_EXIST: peer already registered (ignore when adding).
-ESP_ERR_ESPNOW_EXIST = -12395
-
-
-def ensure_peer(addr):
-    """Ensure addr is in the peer list. When at 20 peers, remove the oldest-used (LRU)."""
-    peers = esp.get_peers()
-    peer_macs = [p[0] for p in peers]
-    if addr in peer_macs:
-        return
-    if len(peer_macs) >= MAX_PEERS:
-        # Remove the peer we used least recently (oldest).
-        oldest_mac = None
-        oldest_ts = time.ticks_ms()
-        for mac in peer_macs:
-            if mac == BROADCAST:
-                continue
-            ts = last_used.get(mac, 0)
-            if ts <= oldest_ts:
-                oldest_ts = ts
-                oldest_mac = mac
-        if oldest_mac is not None:
-            esp.del_peer(oldest_mac)
-            last_used.pop(oldest_mac, None)
-    try:
-        esp.add_peer(addr)
-    except OSError as e:
-        if e.args[0] != ESP_ERR_ESPNOW_EXIST:
-            raise
-
-
-print("Starting ESP32 main.py")
-
-while True:
-    if uart.any():
-        data = uart.read()
-        if not data or len(data) < 6:
-            continue
-        print(f"Received data: {data}")
-        addr = data[:6]
-        payload = data[6:]
-        ensure_peer(addr)
-        esp.send(addr, payload)
-        last_used[addr] = time.ticks_ms()

espnow-sender/README.md

@@ -0,0 +1,7 @@
+# espnow-sender
+
+Minimal MicroPython project for receiving JSON over Microdot WebSocket.
+
+- WebSocket endpoint: `/ws`
+- Entry point: `main.py`
+- Message template: `msg.json`

espnow-sender/main.py

@@ -0,0 +1,120 @@
+import asyncio
+import json
+
+from microdot import Microdot
+from microdot.websocket import WebSocketError, with_websocket
+
+import espnow
+import network
+from util import format_mac, parse_mac
+
+
+app = Microdot()
+_esp = None
+_known_peers = set()
+_ws_clients = set()
+
+
+def _init_espnow():
+    global _esp
+    sta = network.WLAN(network.STA_IF)
+    sta.active(True)
+    _esp = espnow.ESPNow()
+    _esp.active(True)
+
+
+def _validate_envelope(obj):
+    if obj.get("v") != "1":
+        raise ValueError("message.v must be '1'")
+    devices = obj["devices"]
+    for address in devices.keys():
+        parse_mac(address)
+    return obj
+
+
+def _send_espnow(address, payload):
+    if _esp is None:
+        raise ValueError("espnow is not initialized")
+    mac = parse_mac(address)
+    msg = json.dumps(payload, separators=(",", ":")).encode("utf-8")
+    if mac not in _known_peers:
+        _esp.add_peer(mac)
+        _known_peers.add(mac)
+    _esp.send(mac, msg)
+    return mac, len(msg)
+
+
+async def _broadcast_ws(obj):
+    text = json.dumps(obj)
+    dead = []
+    for client in list(_ws_clients):
+        try:
+            await client.send(text)
+        except Exception:
+            dead.append(client)
+    for client in dead:
+        _ws_clients.discard(client)
+
+
+async def _espnow_receive_loop():
+    while True:
+        host, msg = _esp.recv(0)
+        if not host:
+            await asyncio.sleep(0.01)
+            continue
+        await _broadcast_ws(
+            {
+                "from": format_mac(host),
+                "payload": msg.decode("utf-8"),
+            }
+        )
+
+
+@app.route("/ws")
+@with_websocket
+async def ws(request, ws):
+    _ws_clients.add(ws)
+    while True:
+        try:
+            raw = await ws.receive()
+        except WebSocketError:
+            break
+
+        if not raw:
+            break
+
+        try:
+            parsed = json.loads(raw)
+            env = _validate_envelope(parsed)
+            sent = []
+            for address, payload in env["devices"].items():
+                mac, payload_size = _send_espnow(address, payload)
+                sent.append(
+                    {
+                        "address": format_mac(mac),
+                        "bytes": payload_size,
+                    }
+                )
+        except (ValueError, TypeError) as e:
+            await ws.send(json.dumps({"ok": False, "error": str(e)}))
+            continue
+
+        await ws.send(
+            json.dumps(
+                {
+                    "ok": True,
+                    "sent": sent,
+                }
+            )
+        )
+    _ws_clients.discard(ws)
+
+
+async def main(port=80):
+    _init_espnow()
+    asyncio.create_task(_espnow_receive_loop())
+    await app.start_server(host="0.0.0.0", port=port)
+
+
+if __name__ == "__main__":
+    asyncio.run(main(port=80))

espnow-sender/msg.json

@@ -0,0 +1,24 @@
+{
+    "v": "1",
+    "devices": {
+        "ff:ff:ff:ff:ff:ff": {
+            "presets": {
+                "preset_id": {
+                    "pattern": "on",
+                    "colors": ["#FF0000"],
+                    "delay": 100,
+                    "brightness": 255,
+                    "auto": true
+                }
+            }, 
+            "select": {
+                "preset": "preset_id",
+                "step": 0
+            }, 
+            "save": true, 
+            "default": "preset_id", 
+            "b": 255
+        }
+    }
+}
+    

espnow-sender/util.py

@@ -0,0 +1,12 @@
+def parse_mac(value):
+    raw = value.strip().lower().replace(":", "").replace("-", "")
+    if len(raw) != 12:
+        raise ValueError("address must be 12 hex chars or aa:bb:cc:dd:ee:ff")
+    try:
+        return bytes.fromhex(raw)
+    except ValueError:
+        raise ValueError("address contains non-hex characters")
+
+
+def format_mac(mac_bytes):
+    return ":".join("{:02x}".format(b) for b in mac_bytes)

led_bar_vertical_stand.scad

@@ -0,0 +1,123 @@
+// Parametric LED bar vertical stand socket
+// For a bar nominally 14 x 17 mm, 2 m long.
+// This part is intended to be screwed to an MDF base.
+
+// -------------------------
+// User parameters
+// -------------------------
+bar_w = 14;                 // Bar width (mm)
+bar_d = 17;                 // Bar depth (mm)
+clearance = 0.4;            // Total clearance added to each axis (mm)
+
+socket_height = 36;         // Height of printed socket body (mm)
+wall = 3.2;                 // Socket wall thickness (mm)
+base_thickness = 5;         // Printed bottom plate thickness (mm)
+
+// USB cable/connector side opening
+usb_notch_enable = true;
+usb_notch_w = 11;
+usb_notch_h = 9;
+usb_notch_from_bottom = 6;
+usb_notch_side = "right";   // "right" or "left"
+
+// Mounting ears for MDF screws
+ear_enable = true;
+ear_len = 16;
+ear_w = 16;
+ear_thickness = base_thickness;
+screw_hole_d = 4.2;         // M4 clearance. Use 3.4 for M3.
+screw_hole_edge = 5.5;      // Hole center offset from ear outer corner
+
+// Optional clamp lip at top to reduce wobble
+top_lip_enable = true;
+top_lip_depth = 2.0;        // Intrudes into opening on each side
+top_lip_height = 3.0;
+
+$fn = 48;
+
+// -------------------------
+// Derived
+// -------------------------
+inner_w = bar_w + clearance;
+inner_d = bar_d + clearance;
+
+outer_w = inner_w + wall * 2;
+outer_d = inner_d + wall * 2;
+outer_h = socket_height;
+
+module screw_hole() {
+    cylinder(h = ear_thickness + 0.2, d = screw_hole_d);
+}
+
+module mounting_ear(sign_y = 1) {
+    translate([outer_w / 2, sign_y * (outer_d / 2), 0])
+    cube([ear_len, ear_w, ear_thickness], center = false);
+}
+
+module top_lip() {
+    if (top_lip_enable) {
+        // Front and back lips at the top of the socket.
+        translate([wall, wall, outer_h - top_lip_height])
+            cube([top_lip_depth, inner_d, top_lip_height]);
+
+        translate([outer_w - wall - top_lip_depth, wall, outer_h - top_lip_height])
+            cube([top_lip_depth, inner_d, top_lip_height]);
+    }
+}
+
+difference() {
+    union() {
+        // Main body
+        cube([outer_w, outer_d, outer_h], center = false);
+
+        // Base plate under socket for stiffness
+        translate([0, 0, -base_thickness])
+            cube([outer_w, outer_d, base_thickness], center = false);
+
+        // Mounting ears
+        if (ear_enable) {
+            translate([0, 0, -ear_thickness]) {
+                mounting_ear(1);
+                mounting_ear(-1);
+            }
+        }
+
+        top_lip();
+    }
+
+    // Main bar cavity
+    translate([wall, wall, 0])
+        cube([inner_w, inner_d, outer_h + 0.2], center = false);
+
+    // USB side notch
+    if (usb_notch_enable) {
+        if (usb_notch_side == "right") {
+            translate([outer_w - wall - 0.1, (outer_d - usb_notch_w) / 2, usb_notch_from_bottom])
+                cube([wall + 0.3, usb_notch_w, usb_notch_h], center = false);
+        } else {
+            translate([-0.2, (outer_d - usb_notch_w) / 2, usb_notch_from_bottom])
+                cube([wall + 0.3, usb_notch_w, usb_notch_h], center = false);
+        }
+    }
+
+    // Screw holes in ears
+    if (ear_enable) {
+        // Upper ear hole
+        translate([
+            outer_w / 2 + ear_len - screw_hole_edge,
+            outer_d / 2 + ear_w - screw_hole_edge,
+            -ear_thickness - 0.05
+        ]) screw_hole();
+
+        // Lower ear hole
+        translate([
+            outer_w / 2 + ear_len - screw_hole_edge,
+            -outer_d / 2 + screw_hole_edge,
+            -ear_thickness - 0.05
+        ]) screw_hole();
+    }
+}
+
+// Print orientation helper:
+// Keep the base/ears on the bed.
+// If fit is tight, increase clearance to 0.5 or 0.6.

pyproject.toml

@@ -0,0 +1,5 @@
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+python_files = ["test_*.py"]
+# ``tests/models/`` is a package name clash with ``src/models``; run via tests/models/run_all.py
+norecursedirs = ["models"]

pytest.ini

@@ -1,4 +0,0 @@
-[pytest]
-testpaths = tests
-python_files = test_endpoints_pytest.py
-

scripts/cp-esp32-main.sh

@@ -1,4 +0,0 @@
-#!/usr/bin/env bash
-# Copy esp32/main.py to the connected ESP32 as /main.py (single line, no wrap).
-cd "$(dirname "$0")/.."
-pipenv run mpremote fs cp esp32/main.py :/main.py

scripts/create_winter_profile.py

@@ -0,0 +1,419 @@
+#!/usr/bin/env python3
+"""Add Winter profile: 6-light 2x3 grid, presets, and sequences."""
+
+from __future__ import annotations
+
+import json
+from copy import deepcopy
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+DB = ROOT / "db"
+
+PROFILE_ID = "3"
+PALETTE_ID = "14"
+ZONE_PRESETS_ID = "11"
+ZONE_SEQUENCES_ID = "12"
+
+# 2x3 grid device MACs (placeholders — assign real devices in the UI)
+DEVICE_MACS = [
+    "a0b100000001",  # r0c0 top-left
+    "a0b100000002",  # r0c1
+    "a0b100000003",  # r0c2
+    "a0b100000004",  # r1c0 bottom-left
+    "a0b100000005",  # r1c1
+    "a0b100000006",  # r1c2
+]
+
+GROUP_CELL = {
+    "a0b100000001": "6",
+    "a0b100000002": "7",
+    "a0b100000003": "8",
+    "a0b100000004": "9",
+    "a0b100000005": "10",
+    "a0b100000006": "11",
+}
+GROUP_TOP_ROW = "12"
+GROUP_BOTTOM_ROW = "13"
+GROUP_COL_LEFT = "14"
+GROUP_COL_MID = "15"
+GROUP_COL_RIGHT = "16"
+GROUP_ALL = "17"
+
+PRESET_OFF = "78"
+PRESET_TWINKLE = "79"
+PRESET_ICICLES = "80"
+PRESET_BLIZZARD = "81"
+PRESET_RIME = "82"
+PRESET_AURORA = "83"
+PRESET_STARFALL = "84"
+PRESET_SPARKLE = "85"
+PRESET_COOL_WHITE = "86"
+PRESET_CHASE_ICE = "87"
+
+SEQ_CASCADE = "12"
+SEQ_ROWS = "13"
+SEQ_COLUMNS = "14"
+SEQ_BLIZZARD_ALL = "15"
+SEQ_ROTATION = "16"
+
+
+def load_json(name: str) -> dict:
+    path = DB / f"{name}.json"
+    return json.loads(path.read_text(encoding="utf-8"))
+
+
+def save_json(name: str, data: dict) -> None:
+    path = DB / f"{name}.json"
+    path.write_text(json.dumps(data, separators=(",", ":")), encoding="utf-8")
+
+
+def preset_skeleton(name: str, pattern: str, colors: list, **extra) -> dict:
+    doc = {
+        "name": name,
+        "pattern": pattern,
+        "colors": colors,
+        "brightness": 220,
+        "delay": 80,
+        "auto": True,
+        "n1": 0,
+        "n2": 0,
+        "n3": 0,
+        "n4": 0,
+        "n5": 0,
+        "n6": 0,
+        "n7": 0,
+        "n8": 0,
+        "profile_id": PROFILE_ID,
+        "background": "#0A1520",
+        "manual_beat_n": 1,
+    }
+    doc.update(extra)
+    if "palette_refs" not in doc and pattern not in ("on", "off"):
+        doc["palette_refs"] = [None] * len(colors)
+    return doc
+
+
+def seq_doc(
+    name: str,
+    lanes: list,
+    lanes_group_ids: list,
+    *,
+    loop: bool = True,
+    simulated_bpm: int = 90,
+) -> dict:
+    steps = [step for lane in lanes for step in lane]
+    return {
+        "name": name,
+        "profile_id": PROFILE_ID,
+        "group_ids": [GROUP_ALL],
+        "lanes": lanes,
+        "lanes_group_ids": lanes_group_ids,
+        "advance_mode": "beats",
+        "steps": steps,
+        "step_duration_ms": 3000,
+        "simulated_bpm": simulated_bpm,
+        "sequence_transition": 500,
+        "loop": loop,
+    }
+
+
+def main() -> None:
+    profiles = load_json("profile")
+    palettes = load_json("palette")
+    groups = load_json("group")
+    devices = load_json("device")
+    zones = load_json("zone")
+    sequences = load_json("sequence")
+    presets = load_json("preset")
+
+    labels = [
+        ("winter top-left", 0),
+        ("winter top-centre", 1),
+        ("winter top-right", 2),
+        ("winter bottom-left", 3),
+        ("winter bottom-centre", 4),
+        ("winter bottom-right", 5),
+    ]
+
+    profiles[PROFILE_ID] = {
+        "name": "Winter",
+        "type": "zones",
+        "zones": [ZONE_PRESETS_ID, ZONE_SEQUENCES_ID],
+        "scenes": [],
+        "palette_id": PALETTE_ID,
+    }
+
+    palettes[PALETTE_ID] = [
+        "#E8F4FF",
+        "#9ECFFF",
+        "#5080C8",
+        "#FFFFFF",
+        "#B0DCFF",
+        "#0A1520",
+        "#FF8020",
+        "#071018",
+    ]
+
+    for mac, (label, _idx) in zip(DEVICE_MACS, labels):
+        devices[mac] = {
+            "id": mac,
+            "name": label,
+            "type": "led",
+            "transport": "wifi",
+            "address": "",
+            "default_pattern": None,
+            "zones": [],
+            "output_brightness": 255,
+            "wifi_color_order": "rgb",
+            "wifi_startup_mode": "default",
+        }
+
+    def group_row(gid: str, name: str, macs: list) -> None:
+        groups[gid] = {
+            "name": name,
+            "devices": macs,
+            "profile_id": PROFILE_ID,
+            "wifi_color_order": "rgb",
+            "wifi_startup_mode": "default",
+            "output_brightness": 255,
+            "pattern": "on",
+            "colors": ["000000", "E8F4FF"],
+            "brightness": 100,
+            "delay": 100,
+            "step_offset": 0,
+            "step_increment": 1,
+            "n1": 0,
+            "n2": 0,
+            "n3": 0,
+            "n4": 0,
+            "n5": 0,
+            "n6": 0,
+            "n7": 0,
+            "n8": 0,
+        }
+
+    for mac, gid in zip(DEVICE_MACS, GROUP_CELL.values()):
+        group_row(gid, labels[DEVICE_MACS.index(mac)][0], [mac])
+
+    group_row(GROUP_TOP_ROW, "winter top row", DEVICE_MACS[:3])
+    group_row(GROUP_BOTTOM_ROW, "winter bottom row", DEVICE_MACS[3:])
+    group_row(GROUP_COL_LEFT, "winter left column", [DEVICE_MACS[0], DEVICE_MACS[3]])
+    group_row(GROUP_COL_MID, "winter centre column", [DEVICE_MACS[1], DEVICE_MACS[4]])
+    group_row(GROUP_COL_RIGHT, "winter right column", [DEVICE_MACS[2], DEVICE_MACS[5]])
+    group_row(GROUP_ALL, "winter grid (all)", list(DEVICE_MACS))
+
+    presets[PRESET_OFF] = preset_skeleton("winter off", "off", [], brightness=0, delay=100)
+    presets[PRESET_TWINKLE] = preset_skeleton(
+        "winter twinkle",
+        "twinkle",
+        ["#78C8FF", "#508CFF", "#B478FF", "#64DCE8", "#A0C8FF"],
+        n1=150,
+        n2=20,
+        n4=10,
+        delay=100,
+    )
+    presets[PRESET_ICICLES] = preset_skeleton(
+        "winter icicles",
+        "icicles",
+        ["#F0F8FF", "#9ECFFF", "#FFFFFF"],
+        n1=14,
+        n2=11,
+        n3=1,
+        delay=80,
+    )
+    presets[PRESET_BLIZZARD] = preset_skeleton(
+        "winter blizzard",
+        "blizzard",
+        ["#FFFFFF", "#CDE8FF", "#AACCF5"],
+        n1=110,
+        n2=2,
+        n3=140,
+        delay=45,
+    )
+    presets[PRESET_RIME] = preset_skeleton(
+        "winter rime",
+        "rime",
+        ["#E8F4FF", "#FFFFFF", "#B8DCF8"],
+        n1=40,
+        n2=18,
+        n3=4,
+        delay=120,
+    )
+    presets[PRESET_AURORA] = preset_skeleton(
+        "winter aurora",
+        "aurora",
+        ["#183050", "#5090C8", "#C8E8FF"],
+        n1=22,
+        n2=210,
+        n6=1,
+        delay=90,
+    )
+    presets[PRESET_STARFALL] = preset_skeleton(
+        "winter starfall",
+        "particles",
+        ["#FFFFFF", "#C8E8FF", "#FFF8E0"],
+        n1=16,
+        n2=2,
+        n3=12,
+        n6=1,
+        delay=55,
+    )
+    presets[PRESET_SPARKLE] = preset_skeleton(
+        "winter ice sparkle",
+        "sparkle",
+        ["#E8F4FF", "#B0DCFF", "#FFFFFF"],
+        n1=70,
+        n2=165,
+        n3=1,
+        n6=1,
+        delay=50,
+    )
+    presets[PRESET_COOL_WHITE] = preset_skeleton(
+        "winter cool white",
+        "on",
+        ["#E6F2FF"],
+        brightness=200,
+        delay=100,
+    )
+    presets[PRESET_CHASE_ICE] = preset_skeleton(
+        "winter ice chase",
+        "chase",
+        ["#E8F4FF", "#5080C8"],
+        auto=False,
+        n1=20,
+        n2=20,
+        n3=15,
+        n4=15,
+        delay=120,
+        background="#071018",
+    )
+
+    grid_presets = [
+        [PRESET_ICICLES, PRESET_TWINKLE, PRESET_BLIZZARD],
+        [PRESET_RIME, PRESET_AURORA, PRESET_STARFALL],
+    ]
+    flat = [p for row in grid_presets for p in row]
+
+    zones[ZONE_PRESETS_ID] = {
+        "name": "Winter grid",
+        "names": [],
+        "group_ids": [GROUP_ALL],
+        "preset_group_ids": {},
+        "presets": grid_presets,
+        "presets_flat": flat,
+        "default_preset": PRESET_TWINKLE,
+        "brightness": 200,
+        "sequence_ids": [],
+        "content_kind": "presets",
+    }
+
+    sequences[SEQ_CASCADE] = seq_doc(
+        "Winter cell cascade",
+        [
+            [{"preset_id": PRESET_ICICLES, "beats": 6}],
+            [{"preset_id": PRESET_SPARKLE, "beats": 6}],
+            [{"preset_id": PRESET_BLIZZARD, "beats": 6}],
+            [{"preset_id": PRESET_RIME, "beats": 6}],
+            [{"preset_id": PRESET_AURORA, "beats": 6}],
+            [{"preset_id": PRESET_STARFALL, "beats": 6}],
+        ],
+        [
+            [GROUP_CELL[DEVICE_MACS[0]]],
+            [GROUP_CELL[DEVICE_MACS[1]]],
+            [GROUP_CELL[DEVICE_MACS[2]]],
+            [GROUP_CELL[DEVICE_MACS[3]]],
+            [GROUP_CELL[DEVICE_MACS[4]]],
+            [GROUP_CELL[DEVICE_MACS[5]]],
+        ],
+        simulated_bpm=85,
+    )
+
+    sequences[SEQ_ROWS] = seq_doc(
+        "Winter row waves",
+        [
+            [
+                {"preset_id": PRESET_BLIZZARD, "beats": 8},
+                {"preset_id": PRESET_ICICLES, "beats": 8},
+            ],
+            [
+                {"preset_id": PRESET_AURORA, "beats": 8},
+                {"preset_id": PRESET_RIME, "beats": 8},
+            ],
+        ],
+        [[GROUP_TOP_ROW], [GROUP_BOTTOM_ROW]],
+        simulated_bpm=80,
+    )
+
+    sequences[SEQ_COLUMNS] = seq_doc(
+        "Winter column chase",
+        [
+            [{"preset_id": PRESET_CHASE_ICE, "beats": 12}],
+            [{"preset_id": PRESET_TWINKLE, "beats": 12}],
+            [{"preset_id": PRESET_STARFALL, "beats": 12}],
+        ],
+        [[GROUP_COL_LEFT], [GROUP_COL_MID], [GROUP_COL_RIGHT]],
+        simulated_bpm=95,
+    )
+
+    sequences[SEQ_BLIZZARD_ALL] = seq_doc(
+        "Winter full blizzard",
+        [[{"preset_id": PRESET_BLIZZARD, "beats": 16}]],
+        [[GROUP_ALL]],
+        simulated_bpm=75,
+    )
+
+    sequences[SEQ_ROTATION] = seq_doc(
+        "Winter showcase",
+        [
+            [
+                {"preset_id": PRESET_ICICLES, "beats": 8},
+                {"preset_id": PRESET_BLIZZARD, "beats": 8},
+                {"preset_id": PRESET_RIME, "beats": 8},
+                {"preset_id": PRESET_AURORA, "beats": 8},
+                {"preset_id": PRESET_STARFALL, "beats": 8},
+                {"preset_id": PRESET_TWINKLE, "beats": 8},
+            ]
+        ],
+        [[GROUP_ALL]],
+        simulated_bpm=72,
+    )
+
+    zones[ZONE_SEQUENCES_ID] = {
+        "name": "Winter sequences",
+        "names": [],
+        "group_ids": [GROUP_ALL],
+        "preset_group_ids": {},
+        "presets": [],
+        "presets_flat": [],
+        "default_preset": None,
+        "brightness": 200,
+        "sequence_ids": [
+            SEQ_CASCADE,
+            SEQ_ROWS,
+            SEQ_COLUMNS,
+            SEQ_BLIZZARD_ALL,
+            SEQ_ROTATION,
+        ],
+        "content_kind": "sequences",
+    }
+
+    save_json("profile", profiles)
+    save_json("palette", palettes)
+    save_json("group", groups)
+    save_json("device", devices)
+    save_json("zone", zones)
+    save_json("sequence", sequences)
+    save_json("preset", presets)
+
+    print("Winter profile created:")
+    print(f"  profile {PROFILE_ID}, palette {PALETTE_ID}")
+    print(f"  zones {ZONE_PRESETS_ID} (presets 2x3), {ZONE_SEQUENCES_ID} (sequences)")
+    print(f"  devices {', '.join(DEVICE_MACS)}")
+    print(f"  groups {GROUP_CELL} + rows/cols/all")
+    print(f"  presets {PRESET_OFF}-{PRESET_CHASE_ICE}")
+    print(f"  sequences {SEQ_CASCADE}-{SEQ_ROTATION}")
+
+
+if __name__ == "__main__":
+    main()

scripts/dev-run.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
+PORT="${PORT:-80}"
+
+# On watchfiles restarts the previous process can linger briefly.
+# Proactively terminate any listener on the target port before boot.
+pids="$(ss -ltnp "sport = :$PORT" 2>/dev/null | sed -n 's/.*pid=\([0-9]\+\).*/\1/p' | sort -u)"
+if [ -n "${pids}" ]; then
+  kill -TERM ${pids} 2>/dev/null || true
+  sleep 0.3
+fi
+
+cd "$ROOT_DIR/src"
+exec python main.py

scripts/install-boot-service.sh

@@ -10,6 +10,18 @@ if [ ! -f "scripts/led-controller.service" ]; then
   echo "Run this script from the repo root."
   exit 1
 fi
+export PIPENV_VENV_IN_PROJECT="${PIPENV_VENV_IN_PROJECT:-1}"
+if command -v pipenv >/dev/null 2>&1; then
+  PY="$(command -v python3)"
+  if [ -z "$PY" ]; then
+    echo "python3 not found; install python3." >&2
+    exit 1
+  fi
+  echo "Ensuring Pipenv deps with $PY (venv in project: .venv when PIPENV_VENV_IN_PROJECT=1)…"
+  # --skip-lock: install from Pipfile only (avoids lock/Python hash mismatches on device).
+  pipenv install --quiet --skip-lock --python "$PY"
+  pipenv --venv > scripts/.led-controller-venv
+fi
 chmod +x scripts/start.sh
 sudo cp "scripts/led-controller.service" "$UNIT_PATH"
 sudo systemctl daemon-reload

scripts/led-controller.service

@@ -1,7 +1,8 @@
 [Unit]
 Description=LED Controller web server
-After=network-online.target
+# Use network.target only. Ordering after network-online.target can block `systemctl start`
-Wants=network-online.target
+# until wait-online finishes; Wi‑Fi/DHCP delays then look like a hung start job.
+After=network.target
 
 [Service]
 Type=simple
@@ -12,6 +13,8 @@ Environment=PATH=/home/pi/.local/bin:/usr/local/bin:/usr/bin:/bin
 ExecStart=/bin/bash /home/pi/led-controller/scripts/start.sh
 Restart=on-failure
 RestartSec=5
+# pipenv/first bind can be slow; avoid misleading "activating" forever if misconfigured
+TimeoutStartSec=120
 
 [Install]
 WantedBy=multi-user.target

scripts/pi-eth-lan-router.sh

@@ -0,0 +1,253 @@
+#!/usr/bin/env bash
+# Configure Raspberry Pi OS: Wi-Fi client on IF_WAN (default wlan0), Ethernet IF_LAN
+# (default eth0) toward an external AP. Static LAN IP, DHCP via dnsmasq, NAT masquerade.
+#
+# Usage:
+#   sudo ./pi-eth-lan-router.sh install
+#   sudo ./pi-eth-lan-router.sh remove
+#
+# Environment overrides (optional):
+#   IF_WAN=wlan0 IF_LAN=eth0 LAN_IP=192.168.4.1 LAN_PREFIX=24 \
+#   DHCP_START=192.168.4.100 DHCP_END=192.168.4.200 \
+#   DNSMASQ_DNS=1.1.1.1,8.8.8.8 \
+#   sudo ./pi-eth-lan-router.sh install
+
+set -euo pipefail
+
+IF_WAN="${IF_WAN:-wlan0}"
+IF_LAN="${IF_LAN:-eth0}"
+LAN_IP="${LAN_IP:-192.168.4.1}"
+LAN_PREFIX="${LAN_PREFIX:-24}"
+DHCP_START="${DHCP_START:-192.168.4.100}"
+DHCP_END="${DHCP_END:-192.168.4.200}"
+# Comma-separated DNS for DHCP clients (Pi does not need to run a resolver).
+DNSMASQ_DNS="${DNSMASQ_DNS:-1.1.1.1,8.8.8.8}"
+
+NM_CON_NAME="pi-eth-lan-router"
+MARK_BEGIN="# BEGIN pi-eth-lan-router (scripts/pi-eth-lan-router.sh)"
+MARK_END="# END pi-eth-lan-router"
+SYSCTL_FILE="/etc/sysctl.d/99-pi-eth-lan-router.conf"
+DNSMASQ_SNIPPET="/etc/dnsmasq.d/pi-eth-lan-router.conf"
+NFT_SNIPPET="/etc/nftables.d/50-pi-eth-lan-router.nft"
+NFT_INCLUDE='include "/etc/nftables.d/50-pi-eth-lan-router.nft"'
+NFTABLES_CONF="/etc/nftables.conf"
+DHCPCD_CONF="/etc/dhcpcd.conf"
+
+die() { echo "error: $*" >&2; exit 1; }
+log() { echo "$*"; }
+
+need_root() {
+  [[ "${EUID:-0}" -eq 0 ]] || die "run as root (sudo)"
+}
+
+have_cmd() { command -v "$1" >/dev/null 2>&1; }
+
+apt_install() {
+  export DEBIAN_FRONTEND=noninteractive
+  apt-get update -qq
+  apt-get install -y -qq dnsmasq nftables
+}
+
+write_sysctl() {
+  cat >"$SYSCTL_FILE" <<EOF
+# Managed by scripts/pi-eth-lan-router.sh
+net.ipv4.ip_forward=1
+EOF
+  sysctl --system -q 2>/dev/null || sysctl -p "$SYSCTL_FILE" || true
+}
+
+remove_sysctl() {
+  rm -f "$SYSCTL_FILE"
+  sysctl --system -q 2>/dev/null || true
+}
+
+write_dnsmasq() {
+  local mask="255.255.255.0"
+  if [[ "$LAN_PREFIX" != "24" ]]; then
+    die "only LAN_PREFIX=24 is supported by this script (extend dnsmasq netmask manually)"
+  fi
+  cat >"$DNSMASQ_SNIPPET" <<EOF
+# Managed by scripts/pi-eth-lan-router.sh
+interface=$IF_LAN
+bind-interfaces
+dhcp-range=$DHCP_START,$DHCP_END,$mask,24h
+dhcp-option=option:router,$LAN_IP
+dhcp-option=option:dns-server,$DNSMASQ_DNS
+EOF
+}
+
+remove_dnsmasq() {
+  rm -f "$DNSMASQ_SNIPPET"
+}
+
+write_nft() {
+  mkdir -p /etc/nftables.d
+  cat >"$NFT_SNIPPET" <<EOF
+# Managed by scripts/pi-eth-lan-router.sh
+table ip pi_eth_wlan_nat {
+	chain postrouting {
+		type nat hook postrouting priority 100; policy accept;
+		oifname "$IF_WAN" masquerade
+	}
+}
+EOF
+  if [[ -f "$NFTABLES_CONF" ]] && ! grep -qF '50-pi-eth-lan-router.nft' "$NFTABLES_CONF" 2>/dev/null; then
+    printf '\n# pi-eth-lan-router\n%s\n' "$NFT_INCLUDE" >>"$NFTABLES_CONF"
+  elif [[ ! -f "$NFTABLES_CONF" ]]; then
+    log "warning: $NFTABLES_CONF missing; NAT was not added for boot persistence. Install/configure nftables, or add: $NFT_INCLUDE"
+  fi
+}
+
+remove_nft() {
+  rm -f "$NFT_SNIPPET"
+  if [[ -f "$NFTABLES_CONF" ]]; then
+    sed -i '/# pi-eth-lan-router/d;/50-pi-eth-lan-router\.nft/d' "$NFTABLES_CONF" || true
+  fi
+  nft delete table ip pi_eth_wlan_nat 2>/dev/null || true
+}
+
+apply_nft() {
+  if have_cmd nft; then
+    nft delete table ip pi_eth_wlan_nat 2>/dev/null || true
+    nft -f "$NFT_SNIPPET"
+  fi
+}
+
+configure_nm_eth() {
+  have_cmd nmcli || return 1
+  systemctl is-active --quiet NetworkManager 2>/dev/null || return 1
+
+  if nmcli -t -f NAME con show --active 2>/dev/null | grep -qxF "$NM_CON_NAME"; then
+    nmcli con down "$NM_CON_NAME" || true
+  fi
+  if nmcli -t -f NAME con show 2>/dev/null | grep -qxF "$NM_CON_NAME"; then
+    nmcli con mod "$NM_CON_NAME" \
+      connection.interface-name "$IF_LAN" \
+      ipv4.method manual \
+      ipv4.addresses "${LAN_IP}/${LAN_PREFIX}" \
+      ipv4.gateway "" \
+      ipv4.dns "" \
+      ipv4.never-default yes \
+      ipv6.method ignore
+  else
+    nmcli con add type ethernet con-name "$NM_CON_NAME" ifname "$IF_LAN" \
+      ipv4.method manual \
+      ipv4.addresses "${LAN_IP}/${LAN_PREFIX}" \
+      ipv4.gateway "" \
+      ipv4.dns "" \
+      ipv4.never-default yes \
+      ipv6.method ignore
+  fi
+  if ! nmcli con up "$NM_CON_NAME"; then
+    log "warning: could not activate '$NM_CON_NAME' (is $IF_LAN connected?); profile saved for next boot."
+  fi
+  return 0
+}
+
+remove_nm_eth() {
+  have_cmd nmcli || return 0
+  if nmcli -t -f NAME con show 2>/dev/null | grep -qxF "$NM_CON_NAME"; then
+    nmcli con delete "$NM_CON_NAME" || true
+  fi
+}
+
+configure_dhcpcd_eth() {
+  [[ -f "$DHCPCD_CONF" ]] || return 1
+  if grep -qF "$MARK_BEGIN" "$DHCPCD_CONF" 2>/dev/null; then
+    sed -i "/$MARK_BEGIN/,/$MARK_END/d" "$DHCPCD_CONF" || true
+  fi
+  {
+    echo "$MARK_BEGIN"
+    echo "interface $IF_LAN"
+    echo "static ip_address=${LAN_IP}/${LAN_PREFIX}"
+    echo "nohook wpa_supplicant"
+    echo "$MARK_END"
+  } >>"$DHCPCD_CONF"
+  systemctl restart dhcpcd 2>/dev/null || true
+  return 0
+}
+
+remove_dhcpcd_block() {
+  [[ -f "$DHCPCD_CONF" ]] || return 0
+  if grep -qF "$MARK_BEGIN" "$DHCPCD_CONF" 2>/dev/null; then
+    sed -i "/$MARK_BEGIN/,/$MARK_END/d" "$DHCPCD_CONF" || true
+    systemctl restart dhcpcd 2>/dev/null || true
+  fi
+}
+
+configure_eth_static() {
+  if configure_nm_eth; then
+    log "configured $IF_LAN via NetworkManager profile '$NM_CON_NAME'"
+    return 0
+  fi
+  if configure_dhcpcd_eth; then
+    log "configured $IF_LAN via dhcpcd ($DHCPCD_CONF)"
+    return 0
+  fi
+  die "neither NetworkManager (active) nor $DHCPCD_CONF found; set $IF_LAN to ${LAN_IP}/${LAN_PREFIX} manually"
+}
+
+remove_eth_static() {
+  remove_nm_eth
+  remove_dhcpcd_block
+}
+
+do_install() {
+  need_root
+  log "installing packages (dnsmasq, nftables)…"
+  apt_install
+
+  log "writing sysctl, dnsmasq, nftables snippets…"
+  write_sysctl
+  write_dnsmasq
+  write_nft
+
+  log "setting static IP on $IF_LAN…"
+  configure_eth_static
+
+  log "restarting dnsmasq…"
+  systemctl enable dnsmasq
+  systemctl restart dnsmasq
+
+  log "loading NAT rules and enabling nftables…"
+  apply_nft
+  systemctl enable nftables 2>/dev/null || true
+  systemctl restart nftables 2>/dev/null || true
+
+  log "done. Connect $IF_LAN to the external AP (DHCP off on the AP)."
+  log "Join Wi-Fi on $IF_WAN to the uplink network and complete any captive portal on the Pi."
+}
+
+do_remove() {
+  need_root
+  remove_eth_static
+  remove_dnsmasq
+  systemctl restart dnsmasq 2>/dev/null || true
+
+  remove_nft
+  systemctl restart nftables 2>/dev/null || true
+
+  remove_sysctl
+  sysctl -w net.ipv4.ip_forward=0 2>/dev/null || true
+
+  log "removed pi-eth-lan-router configuration snippets and NM profile '$NM_CON_NAME' (if present)."
+}
+
+usage() {
+  cat <<EOF
+Usage: sudo $0 install|remove
+
+WAN (Wi-Fi client): $IF_WAN
+LAN (Ethernet to AP): $IF_LAN
+LAN address: ${LAN_IP}/${LAN_PREFIX}
+DHCP range: $DHCP_START – $DHCP_END
+
+Override with environment variables (see script header).
+EOF
+}
+
+case "${1:-}" in
+  install) do_install ;;
+  remove) do_remove ;;
+  *) usage; exit 1 ;;
+esac

scripts/start.sh

@@ -1,5 +1,38 @@
 #!/usr/bin/env bash
 # Start the LED controller web server (port 80 by default).
-cd "$(dirname "$0")/.."
+# Avoid `pipenv run` on the hot path — it re-resolves the env every time and is slow on a Pi.
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+cd "$ROOT"
 export PORT="${PORT:-80}"
-pipenv run run
+export PIPENV_VENV_IN_PROJECT="${PIPENV_VENV_IN_PROJECT:-1}"
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+CACHE="$SCRIPT_DIR/.led-controller-venv"
+PYTHON=""
+
+if [ -x "$ROOT/.venv/bin/python" ]; then
+  PYTHON="$ROOT/.venv/bin/python"
+elif [ -f "$CACHE" ]; then
+  _v="$(tr -d '\r\n' < "$CACHE")"
+  if [ -n "$_v" ] && [ -x "$_v/bin/python" ]; then
+    PYTHON="$_v/bin/python"
+  fi
+fi
+
+if [ -z "$PYTHON" ] && command -v pipenv >/dev/null 2>&1; then
+  _v="$(cd "$ROOT" && pipenv --venv 2>/dev/null || true)"
+  if [ -n "${_v:-}" ] && [ -x "$_v/bin/python" ]; then
+    PYTHON="$_v/bin/python"
+    printf '%s\n' "$_v" > "$CACHE" || true
+  fi
+fi
+
+if [ -z "$PYTHON" ]; then
+  echo 'led-controller: no venv resolved; using pipenv run (slow). Run: cd '"$ROOT"' && PIPENV_VENV_IN_PROJECT=1 pipenv install --skip-lock --python "$(command -v python3)"' >&2
+  exec pipenv run run
+fi
+
+cd "$ROOT/src"
+exec "$PYTHON" -u main.py

src/controllers/device.py

@@ -1,29 +1,331 @@
 from microdot import Microdot
-from models.device import Device
+from models.device import (
+    Device,
+    derive_device_mac,
+    normalize_mac,
+    validate_device_transport,
+    validate_device_type,
+)
+from models.group import Group
+from models.transport import get_current_sender
+from settings import get_settings
+from util.brightness_combine import effective_brightness_for_mac
+from models.wifi_ws_clients import (
+    normalize_tcp_peer_ip,
+    send_json_line_to_ip,
+    tcp_client_connected,
+)
+from util.driver_patterns import driver_patterns_dir
+from util.espnow_message import build_message
+import asyncio
 import json
+import os
+import socket
+from urllib.parse import quote
+
+# Ephemeral driver preset name (never written to Pi preset store; ``save`` not set on wire).
+_IDENTIFY_PRESET_KEY = "__identify"
+
+# Short-key payload: 10 Hz full cycle = 50 ms on + 50 ms off (driver ``blink`` toggles each ``d`` ms).
+_IDENTIFY_DRIVER_PRESET = {
+    "p": "blink",
+    "c": ["#ff0000"],
+    "d": 50,
+    "b": 128,
+    "a": True,
+    "n1": 0,
+    "n2": 0,
+    "n3": 0,
+    "n4": 0,
+    "n5": 0,
+    "n6": 0,
+}
+
+
+def _compact_v1_json(*, presets=None, select=None, save=False):
+    """Single-line v1 object; compact so serial/ESP-NOW stays small."""
+    body = {"v": "1"}
+    if presets is not None:
+        body["presets"] = presets
+        if save:
+            body["save"] = True
+    if select is not None:
+        body["select"] = select
+    return json.dumps(body, separators=(",", ":"))
+
+# Seconds after identify blink before selecting built-in ``off`` (tests may monkeypatch).
+IDENTIFY_OFF_DELAY_S = 2.0
+
+
+def _validate_output_brightness(value):
+    if value is None:
+        return None
+    try:
+        b = int(value)
+    except (TypeError, ValueError):
+        raise ValueError("output_brightness must be an integer 0–255")
+    if b < 0 or b > 255:
+        raise ValueError("output_brightness must be between 0 and 255")
+    return b
+
+
+def _brightness_save_message_json(b_val: int) -> str:
+    b_val = max(0, min(255, int(b_val)))
+    return json.dumps({"v": "1", "b": b_val, "save": True}, separators=(",", ":"))
+
 
 controller = Microdot()
 devices = Device()
+_group_registry = Group()
+_pi_settings = get_settings()
+
+
+def _device_live_connected(dev_dict):
+    """
+    Wi-Fi: whether the controller has an outbound WebSocket to this device's IP.
+    ESP-NOW: None (no Wi-Fi session on the Pi for that transport).
+    """
+    tr = (dev_dict.get("transport") or "espnow").strip().lower()
+    if tr != "wifi":
+        return None
+    ip = normalize_tcp_peer_ip(dev_dict.get("address") or "")
+    if not ip:
+        return False
+    return tcp_client_connected(ip)
+
+
+def _device_json_with_live_status(dev_dict):
+    row = dict(dev_dict)
+    row["connected"] = _device_live_connected(dev_dict)
+    return row
+
+
+def _safe_pattern_filename(name):
+    if not isinstance(name, str):
+        return False
+    if not name.endswith(".py"):
+        return False
+    if "/" in name or "\\" in name or ".." in name:
+        return False
+    return True
+
+
+def _http_post_pattern_source(ip, filename, code_text, reload_patterns=True, timeout_s=10.0):
+    """POST source to driver /patterns/upload?name=...&reload=...; return True on 2xx."""
+    if not isinstance(ip, str) or not ip.strip():
+        return False
+    if not isinstance(filename, str) or not filename:
+        return False
+    if not isinstance(code_text, str):
+        return False
+
+    name_q = quote(filename, safe="")
+    reload_q = "1" if reload_patterns else "0"
+    path = "/patterns/upload?name=%s&reload=%s" % (name_q, reload_q)
+    body = code_text.encode("utf-8")
+    req = (
+        "POST %s HTTP/1.1\r\n"
+        "Host: %s\r\n"
+        "Content-Type: text/plain; charset=utf-8\r\n"
+        "Content-Length: %d\r\n"
+        "Connection: close\r\n"
+        "\r\n" % (path, ip, len(body))
+    ).encode("utf-8") + body
+
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    try:
+        sock.settimeout(timeout_s)
+        sock.connect((ip.strip(), 80))
+        sock.sendall(req)
+        data = b""
+        while True:
+            chunk = sock.recv(1024)
+            if not chunk:
+                break
+            data += chunk
+    except OSError:
+        return False
+    finally:
+        try:
+            sock.close()
+        except Exception:
+            pass
+
+    first_line = data.split(b"\r\n", 1)[0] if data else b""
+    return b" 2" in first_line
+
+
+async def _identify_send_off_after_delay(sender, transport, wifi_ip, dev_id, name):
+    try:
+        await asyncio.sleep(IDENTIFY_OFF_DELAY_S)
+        off_msg = build_message(select={name: ["off"]})
+        if transport == "wifi":
+            await send_json_line_to_ip(wifi_ip, off_msg)
+        else:
+            await sender.send(off_msg, addr=dev_id)
+    except Exception:
+        pass
+
+
+async def send_identify_to_device(dev_id: str) -> tuple[int, str]:
+    """
+    Send the same identify blink as ``POST /devices/<id>/identify``.
+
+    Returns ``(http_status, "")`` on success, or ``(status, error_message)`` on failure
+    (status matches the single-device route).
+    """
+    dev = devices.read(dev_id)
+    if not dev:
+        return 404, "Device not found"
+    sender = get_current_sender()
+    if not sender:
+        return 503, "Transport not configured"
+    name = str(dev.get("name") or "").strip()
+    if not name:
+        return 400, "Device must have a name to identify"
+
+    transport = dev.get("transport") or "espnow"
+    wifi_ip = None
+    if transport == "wifi":
+        wifi_ip = dev.get("address")
+        if not wifi_ip:
+            return 400, "Device has no IP address"
+
+    try:
+        msg = _compact_v1_json(
+            presets={_IDENTIFY_PRESET_KEY: dict(_IDENTIFY_DRIVER_PRESET)},
+            select={name: [_IDENTIFY_PRESET_KEY]},
+        )
+        if transport == "wifi":
+            ok = await send_json_line_to_ip(wifi_ip, msg)
+            if not ok:
+                return 503, "Wi-Fi driver not connected"
+        else:
+            await sender.send(msg, addr=dev_id)
+
+        asyncio.create_task(
+            _identify_send_off_after_delay(sender, transport, wifi_ip, dev_id, name)
+        )
+    except Exception as e:
+        return 503, str(e)
+    return 200, ""
+
+
+async def send_identify_to_group_devices(macs: list[str]) -> tuple[int, list[dict]]:
+    """
+    Identify every listed registry MAC in one delivery round: merged ``select`` and a single
+    ESP-NOW split envelope when multiple peers share the serial bridge (avoids per-device
+    ``SerialSender`` lock serialisation). Wi-Fi peers are sent in parallel as in
+    ``deliver_json_messages``.
+    """
+    from util.driver_delivery import deliver_json_messages
+
+    errors: list[dict] = []
+    sender = get_current_sender()
+    if not sender:
+        return 0, [{"mac": "*", "error": "Transport not configured"}]
+
+    merged_select: dict[str, list[str]] = {}
+    valid_macs: list[str] = []
+    for dev_id in macs:
+        dev = devices.read(dev_id)
+        if not dev:
+            errors.append({"mac": dev_id, "error": "Device not found"})
+            continue
+        name = str(dev.get("name") or "").strip()
+        if not name:
+            errors.append({"mac": dev_id, "error": "Device must have a name to identify"})
+            continue
+        transport = (dev.get("transport") or "espnow").strip().lower()
+        if transport == "wifi":
+            if not dev.get("address"):
+                errors.append({"mac": dev_id, "error": "Device has no IP address"})
+                continue
+        merged_select[name] = [_IDENTIFY_PRESET_KEY]
+        valid_macs.append(dev_id)
+
+    if not merged_select:
+        return 0, errors
+
+    try:
+        msg = _compact_v1_json(
+            presets={_IDENTIFY_PRESET_KEY: dict(_IDENTIFY_DRIVER_PRESET)},
+            select=merged_select,
+        )
+        await deliver_json_messages(sender, [msg], valid_macs, devices, delay_s=0)
+    except Exception as e:
+        return 0, errors + [{"mac": "*", "error": str(e)}]
+
+    for dev_id in valid_macs:
+        dev = devices.read(dev_id) or {}
+        name = str(dev.get("name") or "").strip()
+        transport = (dev.get("transport") or "espnow").strip().lower()
+        wifi_ip = dev.get("address") if transport == "wifi" else None
+        asyncio.create_task(
+            _identify_send_off_after_delay(sender, transport, wifi_ip, dev_id, name)
+        )
+
+    return len(valid_macs), errors
 
 
 @controller.get("")
 async def list_devices(request):
-    """List all devices."""
+    """List all devices (includes ``connected`` for live Wi-Fi WebSocket presence)."""
     devices_data = {}
     for dev_id in devices.list():
         d = devices.read(dev_id)
         if d:
-            devices_data[dev_id] = d
+            devices_data[dev_id] = _device_json_with_live_status(d)
     return json.dumps(devices_data), 200, {"Content-Type": "application/json"}
 
 
+@controller.post("/resolve-brightness")
+async def resolve_brightness_batch(request):
+    """
+    POST JSON ``{ \"macs\": [\"..\"], \"zone_brightness\": optional 0–255 }``.
+    Returns ``{ \"values\": { mac: combined_int } }`` — global × group(s) × device × zone (optional).
+    """
+    try:
+        data = request.json or {}
+    except Exception:
+        data = {}
+    macs = data.get("macs")
+    if not isinstance(macs, list):
+        return json.dumps({"error": "macs must be an array"}), 400, {
+            "Content-Type": "application/json",
+        }
+    zb = None
+    if isinstance(data, dict) and data.get("zone_brightness") is not None:
+        try:
+            zb = _validate_output_brightness(data.get("zone_brightness"))
+        except ValueError as e:
+            return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
+    values = {}
+    for raw in macs:
+        m = normalize_mac(str(raw))
+        if not m:
+            continue
+        values[m] = effective_brightness_for_mac(
+            _pi_settings,
+            _group_registry,
+            devices,
+            m,
+            zone_brightness=zb,
+        )
+    return json.dumps({"values": values}), 200, {"Content-Type": "application/json"}
+
+
 @controller.get("/<id>")
 async def get_device(request, id):
-    """Get a device by ID."""
+    """Get a device by ID (includes ``connected`` for live Wi-Fi WebSocket presence)."""
     dev = devices.read(id)
     if dev:
-        return json.dumps(dev), 200, {"Content-Type": "application/json"}
+        return json.dumps(_device_json_with_live_status(dev)), 200, {
-    return json.dumps({"error": "Device not found"}), 404
+            "Content-Type": "application/json",
+        }
+    return json.dumps({"error": "Device not found"}), 404, {
+        "Content-Type": "application/json",
+    }
 
 
 @controller.post("")
@@ -32,37 +334,304 @@ async def create_device(request):
     try:
         data = request.json or {}
         name = data.get("name", "").strip()
+        if not name:
+            return json.dumps({"error": "name is required"}), 400, {
+                "Content-Type": "application/json",
+            }
+        try:
+            device_type = validate_device_type(data.get("type", "led"))
+            transport = validate_device_transport(data.get("transport", "espnow"))
+        except ValueError as e:
+            return json.dumps({"error": str(e)}), 400, {
+                "Content-Type": "application/json",
+            }
         address = data.get("address")
+        mac = data.get("mac")
+        if derive_device_mac(mac=mac, address=address, transport=transport) is None:
+            return json.dumps(
+                {
+                    "error": "mac is required (12 hex digits); for Wi-Fi include mac plus IP in address"
+                }
+            ), 400, {"Content-Type": "application/json"}
         default_pattern = data.get("default_pattern")
-        tabs = data.get("tabs")
+        zl = data.get("zones")
-        if isinstance(tabs, list):
+        if isinstance(zl, list):
-            tabs = [str(t) for t in tabs]
+            zl = [str(t) for t in zl]
         else:
-            tabs = []
+            zl = []
-        dev_id = devices.create(name=name, address=address, default_pattern=default_pattern, tabs=tabs)
+        dev_id = devices.create(
+            name=name,
+            address=address,
+            mac=mac,
+            default_pattern=default_pattern,
+            zones=zl,
+            device_type=device_type,
+            transport=transport,
+        )
         dev = devices.read(dev_id)
         return json.dumps({dev_id: dev}), 201, {"Content-Type": "application/json"}
+    except ValueError as e:
+        msg = str(e)
+        code = 409 if "already exists" in msg.lower() else 400
+        return json.dumps({"error": msg}), code, {"Content-Type": "application/json"}
     except Exception as e:
-        return json.dumps({"error": str(e)}), 400
+        return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
 
 
 @controller.put("/<id>")
 async def update_device(request, id):
     """Update a device."""
     try:
-        data = request.json or {}
+        raw = request.json or {}
-        if "tabs" in data and isinstance(data["tabs"], list):
+        data = dict(raw)
-            data["tabs"] = [str(t) for t in data["tabs"]]
+        data.pop("id", None)
+        data.pop("addresses", None)
+        data.pop("connected", None)
+        if "name" in data:
+            n = (data.get("name") or "").strip()
+            if not n:
+                return json.dumps({"error": "name cannot be empty"}), 400, {
+                    "Content-Type": "application/json",
+                }
+            data["name"] = n
+        if "type" in data:
+            data["type"] = validate_device_type(data.get("type"))
+        if "transport" in data:
+            data["transport"] = validate_device_transport(data.get("transport"))
+        if "zones" in data and isinstance(data["zones"], list):
+            data["zones"] = [str(t) for t in data["zones"]]
+        if "output_brightness" in data:
+            data["output_brightness"] = _validate_output_brightness(data.get("output_brightness"))
+        prev_doc = devices.read(id)
         if devices.update(id, data):
+            if prev_doc and "name" in data:
+                on = str(prev_doc.get("name") or "").strip()
+                nn = str(data.get("name") or "").strip()
+                if on and nn and on != nn:
+                    from util.beat_driver_route import remap_beat_route_device_name
+
+                    remap_beat_route_device_name(on, nn)
             return json.dumps(devices.read(id)), 200, {"Content-Type": "application/json"}
-        return json.dumps({"error": "Device not found"}), 404
+        return json.dumps({"error": "Device not found"}), 404, {
+            "Content-Type": "application/json",
+        }
+    except ValueError as e:
+        return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
     except Exception as e:
-        return json.dumps({"error": str(e)}), 400
+        return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
 
 
 @controller.delete("/<id>")
 async def delete_device(request, id):
     """Delete a device."""
     if devices.delete(id):
-        return json.dumps({"message": "Device deleted successfully"}), 200
+        return (
-    return json.dumps({"error": "Device not found"}), 404
+            json.dumps({"message": "Device deleted successfully"}),
+            200,
+            {"Content-Type": "application/json"},
+        )
+    return json.dumps({"error": "Device not found"}), 404, {
+        "Content-Type": "application/json",
+    }
+
+
+@controller.post("/<id>/identify")
+async def identify_device(request, id):
+    """
+    One v1 JSON object: ``presets.__identify`` (``d``=50 ms → 10 Hz blink) plus ``select`` for
+    this device name — same combined shape as profile sends the driver already accepts over TCP
+    / ESP-NOW. No ``save``. After ``IDENTIFY_OFF_DELAY_S``, a background task selects ``off``.
+    """
+    status, err = await send_identify_to_device(id)
+    if status == 200:
+        return json.dumps({"message": "Identify sent"}), 200, {
+            "Content-Type": "application/json",
+        }
+    return json.dumps({"error": err}), status, {"Content-Type": "application/json"}
+
+
+@controller.post("/<id>/brightness")
+async def push_device_output_brightness(request, id):
+    """
+    Push combined brightness to the driver: global × group(s) × device × optional ``zone_brightness``
+    in JSON body — single ``b`` (``v``/``b``/``save``). Wi‑Fi or ESP‑NOW.
+    """
+    dev = devices.read(id)
+    if not dev:
+        return json.dumps({"error": "Device not found"}), 404, {
+            "Content-Type": "application/json",
+        }
+    body = request.json or {}
+    zb = None
+    if isinstance(body, dict) and body.get("zone_brightness") is not None:
+        try:
+            zb = _validate_output_brightness(body.get("zone_brightness"))
+        except ValueError as e:
+            return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
+    b_val = effective_brightness_for_mac(
+        _pi_settings,
+        _group_registry,
+        devices,
+        id,
+        zone_brightness=zb,
+    )
+
+    msg = _brightness_save_message_json(b_val)
+    transport = (dev.get("transport") or "espnow").strip().lower()
+
+    if transport == "wifi":
+        ip = normalize_tcp_peer_ip(str(dev.get("address") or ""))
+        if not ip:
+            return json.dumps({"error": "Device has no IP address"}), 400, {
+                "Content-Type": "application/json",
+            }
+        ok = await send_json_line_to_ip(ip, msg)
+        if not ok:
+            return json.dumps({"error": "Wi-Fi driver not connected"}), 503, {
+                "Content-Type": "application/json",
+            }
+    else:
+        sender = get_current_sender()
+        if not sender:
+            return json.dumps({"error": "Transport not configured"}), 503, {
+                "Content-Type": "application/json",
+            }
+        try:
+            await sender.send(msg, addr=id)
+        except Exception as e:
+            return json.dumps({"error": str(e)}), 503, {"Content-Type": "application/json"}
+
+    return json.dumps({"message": "brightness sent", "brightness": b_val}), 200, {
+        "Content-Type": "application/json",
+    }
+
+
+@controller.post("/<id>/driver-config")
+async def push_driver_config(request, id):
+    """
+    Push ``device_config`` to a Wi‑Fi LED driver over WebSocket.
+    Body JSON: optional ``name``, ``num_leds``, ``color_order``, ``startup_mode`` (default|last|off).
+    """
+    dev = devices.read(id)
+    if not dev:
+        return json.dumps({"error": "Device not found"}), 404, {
+            "Content-Type": "application/json",
+        }
+    if (dev.get("transport") or "").lower() != "wifi":
+        return json.dumps({"error": "driver-config is only for Wi-Fi devices"}), 400, {
+            "Content-Type": "application/json",
+        }
+    wifi_ip = str(dev.get("address") or "").strip()
+    if not wifi_ip:
+        return json.dumps({"error": "Device has no IP address"}), 400, {
+            "Content-Type": "application/json",
+        }
+    body = request.json or {}
+    dc = {}
+    if isinstance(body.get("name"), str) and body["name"].strip():
+        dc["name"] = body["name"].strip()
+    if "num_leds" in body:
+        try:
+            n = int(body["num_leds"])
+            if 1 <= n <= 2048:
+                dc["num_leds"] = n
+        except (TypeError, ValueError):
+            pass
+    if isinstance(body.get("color_order"), str):
+        co = body["color_order"].strip().lower()
+        if co in ("rgb", "rbg", "grb", "gbr", "brg", "bgr"):
+            dc["color_order"] = co
+    if isinstance(body.get("startup_mode"), str):
+        sm = body["startup_mode"].strip().lower()
+        if sm in ("default", "last", "off"):
+            dc["startup_mode"] = sm
+    if not dc:
+        return json.dumps(
+            {
+                "error": "Provide at least one of name, num_leds, color_order, startup_mode"
+            }
+        ), 400, {"Content-Type": "application/json"}
+    msg = json.dumps(
+        {"v": "1", "device_config": dc, "save": True}, separators=(",", ":")
+    )
+    ok = await send_json_line_to_ip(wifi_ip, msg)
+    if not ok:
+        return json.dumps({"error": "Wi-Fi driver not connected"}), 503, {
+            "Content-Type": "application/json",
+        }
+    return json.dumps({"message": "driver-config sent"}), 200, {
+        "Content-Type": "application/json",
+    }
+
+
+@controller.post("/<id>/patterns/push")
+async def push_patterns_ota(request, id):
+    """
+    Push all local pattern files directly to a Wi-Fi LED driver over HTTP upload.
+    """
+    dev = devices.read(id)
+    if not dev:
+        return json.dumps({"error": "Device not found"}), 404, {
+            "Content-Type": "application/json",
+        }
+    if (dev.get("transport") or "").lower() != "wifi":
+        return json.dumps({"error": "Pattern OTA push is only supported for Wi-Fi devices"}), 400, {
+            "Content-Type": "application/json",
+        }
+    wifi_ip = str(dev.get("address") or "").strip()
+    if not wifi_ip:
+        return json.dumps({"error": "Device has no IP address"}), 400, {
+            "Content-Type": "application/json",
+        }
+
+    base_dir = driver_patterns_dir()
+    try:
+        names = sorted(os.listdir(base_dir))
+    except OSError as e:
+        return json.dumps({"error": str(e)}), 500, {
+            "Content-Type": "application/json",
+        }
+
+    files = [n for n in names if _safe_pattern_filename(n) and n != "__init__.py"]
+    if not files:
+        return json.dumps({"error": "No pattern files found"}), 404, {
+            "Content-Type": "application/json",
+        }
+
+    sent = []
+    failed = []
+    total = len(files)
+    for idx, filename in enumerate(files):
+        path = os.path.join(base_dir, filename)
+        try:
+            with open(path, "r") as f:
+                code = f.read()
+        except OSError:
+            failed.append(filename)
+            continue
+        reload_patterns = idx == (total - 1)
+        ok = _http_post_pattern_source(
+            wifi_ip,
+            filename,
+            code,
+            reload_patterns=reload_patterns,
+            timeout_s=10.0,
+        )
+        if ok:
+            sent.append(filename)
+        else:
+            failed.append(filename)
+
+    if not sent:
+        return json.dumps({"error": "Wi-Fi driver did not accept pattern uploads", "failed": failed}), 503, {
+            "Content-Type": "application/json",
+        }
+
+    return json.dumps({
+        "message": "Pattern files uploaded",
+        "sent_count": len(sent),
+        "sent": sent,
+        "failed": failed,
+    }), 200, {
+        "Content-Type": "application/json",
+    }

src/controllers/group.py

@@ -1,50 +1,359 @@
 from microdot import Microdot
+from microdot.session import with_session
+import asyncio
 from models.group import Group
+from models.device import Device
+from models.transport import get_current_sender
+from models.wifi_ws_clients import normalize_tcp_peer_ip, send_json_line_to_ip
+from settings import get_settings
+from util.brightness_combine import effective_brightness_for_mac
 import json
 
 controller = Microdot()
 groups = Group()
+devices = Device()
+_pi_settings = get_settings()
 
-@controller.get('')
-async def list_groups(request):
-    """List all groups."""
-    return json.dumps(groups), 200, {'Content-Type': 'application/json'}
 
-@controller.get('/<id>')
+def _group_doc_visible_for_profile(doc, profile_id):
-async def get_group(request, id):
+    if not isinstance(doc, dict):
-    """Get a specific group by ID."""
+        return False
+    scoped = doc.get("profile_id")
+    if scoped is None:
+        scoped = doc.get("profileId")
+    if scoped is None or str(scoped).strip() == "":
+        return True
+    if not profile_id:
+        return False
+    return str(scoped).strip() == str(profile_id).strip()
+
+
+def _filtered_groups_dict(session):
+    from controllers.zone import get_current_profile_id
+
+    pid = get_current_profile_id(session)
+    out = {}
+    for gid, doc in groups.items():
+        if not isinstance(doc, dict):
+            continue
+        if _group_doc_visible_for_profile(doc, pid):
+            out[str(gid)] = doc
+    return out
+
+
+@controller.get("")
+@with_session
+async def list_groups(request, session):
+    """List groups visible for the current profile (shared + profile-scoped)."""
+    return json.dumps(_filtered_groups_dict(session)), 200, {"Content-Type": "application/json"}
+
+
+@controller.get("/<id>")
+@with_session
+async def get_group(request, session, id):
+    """Get a specific group by ID (404 if scoped to another profile)."""
     group = groups.read(id)
-    if group:
+    if not group or not isinstance(group, dict):
-        return json.dumps(group), 200, {'Content-Type': 'application/json'}
+        return json.dumps({"error": "Group not found"}), 404
-    return json.dumps({"error": "Group not found"}), 404
+    from controllers.zone import get_current_profile_id
 
-@controller.post('')
+    if not _group_doc_visible_for_profile(group, get_current_profile_id(session)):
-async def create_group(request):
+        return json.dumps({"error": "Group not found"}), 404
-    """Create a new group."""
+    return json.dumps(group), 200, {"Content-Type": "application/json"}
+
+
+def _sanitize_group_profile_id_write(data, session):
+    """Allow ``profile_id`` only for the active profile, or null to share across profiles."""
+    if not isinstance(data, dict):
+        return
+    from controllers.zone import get_current_profile_id
+
+    cur = get_current_profile_id(session)
+    if "profile_id" not in data and "profileId" not in data:
+        return
+    raw = data.get("profile_id")
+    if raw is None and "profileId" in data:
+        raw = data.get("profileId")
+    if raw is None or raw == "":
+        data.pop("profileId", None)
+        data["profile_id"] = None
+        return
+    if not cur or str(raw).strip() != str(cur).strip():
+        data.pop("profileId", None)
+        data.pop("profile_id", None)
+
+
+@controller.post("")
+@with_session
+async def create_group(request, session):
+    """Create a new group (omit ``profile_id`` for shared; or ``profile_scoped``: true for this profile only)."""
     try:
-        data = request.json or {}
+        data = dict(request.json or {})
         name = data.get("name", "")
+        profile_scoped = bool(data.pop("profile_scoped", False))
+        _sanitize_group_profile_id_write(data, session)
         group_id = groups.create(name)
         if data:
             groups.update(group_id, data)
-        return json.dumps(groups.read(group_id)), 201, {'Content-Type': 'application/json'}
+        if profile_scoped:
+            from controllers.zone import get_current_profile_id
+
+            cur = get_current_profile_id(session)
+            if cur:
+                groups.update(group_id, {"profile_id": str(cur)})
+        return json.dumps(groups.read(group_id)), 201, {"Content-Type": "application/json"}
     except Exception as e:
         return json.dumps({"error": str(e)}), 400
 
-@controller.put('/<id>')
+
-async def update_group(request, id):
+@controller.put("/<id>")
+@with_session
+async def update_group(request, session, id):
     """Update an existing group."""
     try:
         data = request.json
+        if not isinstance(data, dict):
+            return json.dumps({"error": "Invalid JSON"}), 400, {"Content-Type": "application/json"}
+        data = dict(data)
+        _sanitize_group_profile_id_write(data, session)
         if groups.update(id, data):
-            return json.dumps(groups.read(id)), 200, {'Content-Type': 'application/json'}
+            g = groups.read(id)
+            if g:
+                return json.dumps(g), 200, {"Content-Type": "application/json"}
         return json.dumps({"error": "Group not found"}), 404
     except Exception as e:
         return json.dumps({"error": str(e)}), 400
 
-@controller.delete('/<id>')
+@controller.delete("/<id>")
-async def delete_group(request, id):
+@with_session
-    """Delete a group."""
+async def delete_group(request, session, id):
+    """Delete a group (not allowed for another profile's scoped group)."""
+    g = groups.read(id)
+    if not g or not isinstance(g, dict):
+        return json.dumps({"error": "Group not found"}), 404
+    from controllers.zone import get_current_profile_id
+
+    if not _group_doc_visible_for_profile(g, get_current_profile_id(session)):
+        return json.dumps({"error": "Group not found"}), 404
     if groups.delete(id):
         return json.dumps({"message": "Group deleted successfully"}), 200
     return json.dumps({"error": "Group not found"}), 404
+
+
+def _group_driver_config_payload(doc):
+    """Build ``device_config`` dict from stored group Wi‑Fi defaults (non-empty only)."""
+    dc = {}
+    if not isinstance(doc, dict):
+        return dc
+    nm = doc.get("wifi_driver_display_name")
+    if isinstance(nm, str) and nm.strip():
+        dc["name"] = nm.strip()
+    nled = doc.get("wifi_driver_num_leds")
+    if nled is not None:
+        try:
+            n = int(nled)
+            if 1 <= n <= 2048:
+                dc["num_leds"] = n
+        except (TypeError, ValueError):
+            pass
+    co = doc.get("wifi_color_order")
+    if isinstance(co, str):
+        c = co.strip().lower()
+        if c in ("rgb", "rbg", "grb", "gbr", "brg", "bgr"):
+            dc["color_order"] = c
+    sm = doc.get("wifi_startup_mode")
+    if isinstance(sm, str):
+        s = sm.strip().lower()
+        if s in ("default", "last", "off"):
+            dc["startup_mode"] = s
+    return dc
+
+
+def _read_group_for_session(session, id):
+    g = groups.read(id)
+    if not g or not isinstance(g, dict):
+        return None
+    from controllers.zone import get_current_profile_id
+
+    if not _group_doc_visible_for_profile(g, get_current_profile_id(session)):
+        return None
+    return g
+
+
+@controller.post("/<id>/driver-config")
+@with_session
+async def push_group_driver_config(request, session, id):
+    """
+    Push group Wi‑Fi defaults to every Wi‑Fi device listed in the group (TCP WebSocket).
+    Uses stored ``wifi_*`` fields on the group; optional JSON body may override for this send only.
+    """
+    gdoc = _read_group_for_session(session, id)
+    if not gdoc:
+        return json.dumps({"error": "Group not found"}), 404
+
+    body = request.json or {}
+    merged = dict(gdoc)
+    if isinstance(body, dict):
+        for k in (
+            "wifi_driver_display_name",
+            "wifi_driver_num_leds",
+            "wifi_color_order",
+            "wifi_startup_mode",
+        ):
+            if k in body:
+                merged[k] = body[k]
+    dc = _group_driver_config_payload(merged)
+    if not dc:
+        return json.dumps(
+            {"error": "No driver defaults on this group (set display name, LEDs, colour order, or power-on pattern)"}
+        ), 400, {"Content-Type": "application/json"}
+
+    mac_list = gdoc.get("devices") if isinstance(gdoc.get("devices"), list) else []
+    sent = 0
+    errors = []
+    msg = json.dumps(
+        {"v": "1", "device_config": dc, "save": True}, separators=(",", ":")
+    )
+    tasks = []
+    meta_macs = []
+    for mac in mac_list:
+        m = str(mac).strip().lower().replace(":", "").replace("-", "")
+        if len(m) != 12:
+            continue
+        dev = devices.read(m)
+        if not dev:
+            errors.append({"mac": m, "error": "not in registry"})
+            continue
+        if (dev.get("transport") or "").lower() != "wifi":
+            continue
+        ip = normalize_tcp_peer_ip(str(dev.get("address") or ""))
+        if not ip:
+            errors.append({"mac": m, "error": "no IP"})
+            continue
+        tasks.append(send_json_line_to_ip(ip, msg))
+        meta_macs.append(m)
+    if tasks:
+        results = await asyncio.gather(*tasks, return_exceptions=True)
+        for m, r in zip(meta_macs, results):
+            if r is True:
+                sent += 1
+            elif isinstance(r, Exception):
+                errors.append({"mac": m, "error": str(r)})
+            else:
+                errors.append({"mac": m, "error": "driver not connected"})
+
+    return json.dumps(
+        {"message": "driver-config sent", "sent": sent, "errors": errors}
+    ), 200, {"Content-Type": "application/json"}
+
+
+def _brightness_save_message_json(b_val: int) -> str:
+    b_val = max(0, min(255, int(b_val)))
+    return json.dumps({"v": "1", "b": b_val, "save": True}, separators=(",", ":"))
+
+
+@controller.post("/<id>/brightness")
+@with_session
+async def push_group_output_brightness(request, session, id):
+    """
+    Push combined brightness (global × group(s) × device) to each member — one ``b`` per device.
+    """
+    gdoc = _read_group_for_session(session, id)
+    if not gdoc:
+        return json.dumps({"error": "Group not found"}), 404
+
+    mac_list = gdoc.get("devices") if isinstance(gdoc.get("devices"), list) else []
+    sent = 0
+    errors = []
+    sender = get_current_sender()
+
+    async def _push_brightness_one(m: str, dev: dict) -> tuple[str, bool, str | None]:
+        b_val = effective_brightness_for_mac(
+            _pi_settings,
+            groups,
+            devices,
+            m,
+            zone_brightness=None,
+        )
+        msg = _brightness_save_message_json(b_val)
+        transport = (dev.get("transport") or "espnow").strip().lower()
+        if transport == "wifi":
+            ip = normalize_tcp_peer_ip(str(dev.get("address") or ""))
+            if not ip:
+                return m, False, "no IP"
+            ok = await send_json_line_to_ip(ip, msg)
+            return m, bool(ok), None if ok else "driver not connected"
+        if not sender:
+            return m, False, "transport not configured"
+        try:
+            await sender.send(msg, addr=m)
+            return m, True, None
+        except Exception as e:
+            return m, False, str(e)
+
+    tasks: list = []
+    for mac in mac_list:
+        m = str(mac).strip().lower().replace(":", "").replace("-", "")
+        if len(m) != 12:
+            continue
+        dev = devices.read(m)
+        if not dev:
+            errors.append({"mac": m, "error": "not in registry"})
+            continue
+        tasks.append(_push_brightness_one(m, dev))
+
+    if tasks:
+        results = await asyncio.gather(*tasks, return_exceptions=True)
+        for r in results:
+            if isinstance(r, Exception):
+                errors.append({"mac": "*", "error": str(r)})
+                continue
+            m, ok, err = r
+            if ok:
+                sent += 1
+            elif err:
+                errors.append({"mac": m, "error": err})
+
+    return json.dumps(
+        {"message": "brightness sent", "sent": sent, "errors": errors}
+    ), 200, {"Content-Type": "application/json"}
+
+
+@controller.post("/<id>/identify")
+@with_session
+async def identify_group_devices(request, session, id):
+    """
+    Run the same identify blink as ``POST /devices/<id>/identify`` for every registry member
+    in parallel so all drivers in the group blink together.
+    """
+    _ = request
+    gdoc = _read_group_for_session(session, id)
+    if not gdoc:
+        return json.dumps({"error": "Group not found"}), 404, {"Content-Type": "application/json"}
+
+    mac_list = gdoc.get("devices") if isinstance(gdoc.get("devices"), list) else []
+    if not mac_list:
+        return json.dumps({"error": "Group has no devices"}), 400, {"Content-Type": "application/json"}
+
+    from controllers.device import send_identify_to_group_devices
+
+    normalized: list[str] = []
+    errors: list[dict] = []
+    for mac in mac_list:
+        m = str(mac).strip().lower().replace(":", "").replace("-", "")
+        if len(m) != 12:
+            errors.append({"mac": str(mac), "error": "invalid MAC"})
+            continue
+        normalized.append(m)
+
+    if not normalized:
+        return json.dumps(
+            {"message": "identify group done", "sent": 0, "errors": errors}
+        ), 200, {"Content-Type": "application/json"}
+
+    sent, batch_errors = await send_identify_to_group_devices(normalized)
+    errors.extend(batch_errors)
+
+    return json.dumps(
+        {"message": "identify group done", "sent": sent, "errors": errors}
+    ), 200, {"Content-Type": "application/json"}

src/controllers/led_tool.py

@@ -0,0 +1,233 @@
+import json
+import os
+import subprocess
+import sys
+
+from microdot import Microdot, send_file
+from serial.tools import list_ports
+
+controller = Microdot()
+
+_STATIC_ALLOWED = frozenset(
+    {"settings_editor.html", "settings_editor.js", "web_serial.js"}
+)
+
+
+def _repo_root() -> str:
+    return os.path.abspath(os.path.join(os.path.dirname(__file__), "..", ".."))
+
+
+def _led_tool_static_dir() -> str:
+    return os.path.join(_repo_root(), "led-tool", "static")
+
+
+def _led_cli_path() -> str:
+    return os.path.join(_repo_root(), "led-tool", "cli.py")
+
+
+def _filter_host_serial_ports(ports: list) -> list:
+    mod_path = os.path.join(_repo_root(), "led-tool", "host_ports.py")
+    if not os.path.isfile(mod_path):
+        return ports
+    import importlib.util
+
+    spec = importlib.util.spec_from_file_location("led_tool_host_ports", mod_path)
+    mod = importlib.util.module_from_spec(spec)
+    spec.loader.exec_module(mod)
+    return mod.filter_port_dicts(ports)
+
+
+def _build_led_cli_command(port: str, payload: dict):
+    cmd = [sys.executable, _led_cli_path(), "--port", port]
+
+    flag_map = (
+        ("name", "--name"),
+        ("led_pin", "--pin"),
+        ("num_leds", "--leds"),
+        ("brightness", "--brightness"),
+        ("transport", "--transport"),
+        ("ssid", "--ssid"),
+        ("password", "--wifi-password"),
+        ("wifi_channel", "--wifi-channel"),
+        ("default", "--default"),
+    )
+
+    for key, flag in flag_map:
+        value = payload.get(key)
+        if value is None:
+            continue
+        value_str = str(value).strip()
+        if value_str == "":
+            continue
+        cmd.extend([flag, value_str])
+
+    return cmd
+
+
+def _run_led_cli_command(cmd, cli_path: str, timeout_s=180):
+    try:
+        result = subprocess.run(
+            cmd,
+            capture_output=True,
+            text=True,
+            timeout=timeout_s,
+            cwd=os.path.dirname(cli_path),
+        )
+    except subprocess.TimeoutExpired:
+        return (
+            json.dumps({"error": "led-tool command timed out after 180 seconds"}),
+            504,
+            {"Content-Type": "application/json"},
+        )
+    except Exception as exc:
+        return (
+            json.dumps({"error": str(exc)}),
+            500,
+            {"Content-Type": "application/json"},
+        )
+
+    return (
+        json.dumps(
+            {
+                "ok": result.returncode == 0,
+                "returncode": result.returncode,
+                "stdout": result.stdout,
+                "stderr": result.stderr,
+                "command": cmd,
+            }
+        ),
+        200,
+        {"Content-Type": "application/json"},
+    )
+
+
+def _extract_settings_from_stdout(stdout: str):
+    text = (stdout or "").strip()
+    if not text:
+        return None
+    try:
+        parsed = json.loads(text)
+        return parsed if isinstance(parsed, dict) else None
+    except Exception:
+        return None
+
+
+@controller.get("/editor")
+async def settings_editor_page(request):
+    """led-tool settings UI (Web Serial + host serial via led-cli)."""
+    path = os.path.join(_led_tool_static_dir(), "settings_editor.html")
+    if not os.path.isfile(path):
+        return (
+            json.dumps({"error": "led-tool/static/settings_editor.html not found"}),
+            404,
+            {"Content-Type": "application/json"},
+        )
+    return send_file(path)
+
+
+@controller.get("/static/<path:filename>")
+async def led_tool_static(request, filename):
+    if filename not in _STATIC_ALLOWED:
+        return "Not found", 404
+    path = os.path.join(_led_tool_static_dir(), filename)
+    if not os.path.isfile(path):
+        return "Not found", 404
+    return send_file(path)
+
+
+@controller.get("/ports")
+async def list_serial_ports(request):
+    ports = _filter_host_serial_ports(
+        [
+            {
+                "device": info.device,
+                "description": info.description,
+                "hwid": info.hwid,
+            }
+            for info in list_ports.comports()
+        ]
+    )
+    return (
+        json.dumps(
+            {
+                "ports": ports,
+                "led_cli_exists": os.path.exists(_led_cli_path()),
+            }
+        ),
+        200,
+        {"Content-Type": "application/json"},
+    )
+
+
+@controller.post("/settings")
+async def apply_settings(request):
+    data = request.json or {}
+    port = str(data.get("port") or "").strip()
+    if not port:
+        return (
+            json.dumps({"error": "port is required"}),
+            400,
+            {"Content-Type": "application/json"},
+        )
+
+    cli_path = _led_cli_path()
+    if not os.path.exists(cli_path):
+        return (
+            json.dumps({"error": "led-tool/cli.py not found"}),
+            500,
+            {"Content-Type": "application/json"},
+        )
+
+    cmd = _build_led_cli_command(port, data) + ["--follow"]
+    return _run_led_cli_command(cmd, cli_path, timeout_s=None)
+
+
+@controller.post("/reset")
+@controller.post("/reset/")
+async def reset_device(request):
+    data = request.json or {}
+    port = str(data.get("port") or "").strip()
+    if not port:
+        return (
+            json.dumps({"error": "port is required"}),
+            400,
+            {"Content-Type": "application/json"},
+        )
+
+    cli_path = _led_cli_path()
+    if not os.path.exists(cli_path):
+        return (
+            json.dumps({"error": "led-tool/cli.py not found"}),
+            500,
+            {"Content-Type": "application/json"},
+        )
+
+    cmd = [sys.executable, cli_path, "--port", port, "--reset", "--follow"]
+    return _run_led_cli_command(cmd, cli_path, timeout_s=None)
+
+
+@controller.get("/settings")
+async def read_settings(request):
+    port = str(request.args.get("port") or "").strip()
+    if not port:
+        return (
+            json.dumps({"error": "port is required"}),
+            400,
+            {"Content-Type": "application/json"},
+        )
+
+    cli_path = _led_cli_path()
+    if not os.path.exists(cli_path):
+        return (
+            json.dumps({"error": "led-tool/cli.py not found"}),
+            500,
+            {"Content-Type": "application/json"},
+        )
+
+    cmd = [sys.executable, cli_path, "--port", port, "--show"]
+    body, status, headers = _run_led_cli_command(cmd, cli_path)
+    if status != 200:
+        return body, status, headers
+    data = json.loads(body)
+    data["settings"] = _extract_settings_from_stdout(data.get("stdout") or "")
+    return json.dumps(data), status, headers

src/controllers/pattern.py

@@ -1,19 +1,113 @@
 from microdot import Microdot
 from models.pattern import Pattern
+from models.device import Device
+from util.driver_patterns import (
+    driver_patterns_dir,
+    is_firmware_builtin_pattern_module,
+    normalize_pattern_py_filename,
+)
 import json
-import sys
+import re
+import os
+import socket
+from urllib.parse import quote
 
 controller = Microdot()
 patterns = Pattern()
 
+
+def _project_root():
+    """Project root (parent of ``src/``). CWD is often ``src/`` when running ``main.py``."""
+    here = os.path.dirname(os.path.abspath(__file__))
+    return os.path.abspath(os.path.join(here, "..", ".."))
+
+
+def _safe_pattern_filename(name):
+    if not isinstance(name, str):
+        return False
+    if not name.endswith(".py"):
+        return False
+    if "/" in name or "\\" in name or ".." in name:
+        return False
+    return True
+
+
+_PATTERN_KEY_RE = re.compile(r"^[a-zA-Z_][a-zA-Z0-9_]{0,63}$")
+
+
+def _normalize_pattern_key(raw):
+    """Pattern id / module basename (no .py)."""
+    if not isinstance(raw, str):
+        return ""
+    s = raw.strip()
+    if s.lower().endswith(".py"):
+        s = s[:-3].strip()
+    return s
+
+
+def _valid_pattern_key(key):
+    return bool(key and _PATTERN_KEY_RE.match(key))
+
+
+def _http_post_pattern_source(ip, filename, code_text, reload_patterns=True, timeout_s=10.0):
+    """POST source to driver /patterns/upload?name=...&reload=...; return True on 2xx."""
+    if not isinstance(ip, str) or not ip.strip():
+        return False
+    if not isinstance(filename, str) or not filename:
+        return False
+    if not isinstance(code_text, str):
+        return False
+
+    name_q = quote(filename, safe="")
+    reload_q = "1" if reload_patterns else "0"
+    path = "/patterns/upload?name=%s&reload=%s" % (name_q, reload_q)
+    body = code_text.encode("utf-8")
+    req = (
+        "POST %s HTTP/1.1\r\n"
+        "Host: %s\r\n"
+        "Content-Type: text/plain; charset=utf-8\r\n"
+        "Content-Length: %d\r\n"
+        "Connection: close\r\n"
+        "\r\n" % (path, ip, len(body))
+    ).encode("utf-8") + body
+
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    try:
+        sock.settimeout(timeout_s)
+        sock.connect((ip.strip(), 80))
+        sock.sendall(req)
+        data = b""
+        while True:
+            chunk = sock.recv(1024)
+            if not chunk:
+                break
+            data += chunk
+    except OSError:
+        return False
+    finally:
+        try:
+            sock.close()
+        except Exception:
+            pass
+
+    first_line = data.split(b"\r\n", 1)[0] if data else b""
+    # Accept any 2xx status.
+    return b" 2" in first_line
+
 def load_pattern_definitions():
     """Load pattern definitions from pattern.json file."""
     try:
-        # Try different paths for local development vs MicroPython
+        root = _project_root()
-        paths = ['db/pattern.json', 'pattern.json', '/db/pattern.json']
+        paths = [
+            os.path.join(root, "db", "pattern.json"),
+            os.path.join(root, "pattern.json"),
+            "db/pattern.json",
+            "pattern.json",
+            "/db/pattern.json",
+        ]
         for path in paths:
             try:
-                with open(path, 'r') as f:
+                with open(path, "r") as f:
                     return json.load(f)
             except OSError:
                 continue
@@ -22,16 +116,341 @@ def load_pattern_definitions():
         print(f"Error loading pattern.json: {e}")
         return {}
 
+
+def load_driver_pattern_names():
+    """List available pattern module names from led-driver/src/patterns."""
+    try:
+        names = []
+        for filename in os.listdir(driver_patterns_dir()):
+            if not _safe_pattern_filename(filename) or filename == "__init__.py":
+                continue
+            names.append(filename[:-3])
+        names.sort()
+        return names
+    except OSError:
+        return []
+
+
+def build_runtime_pattern_map():
+    """
+    Runtime pattern map for UI menus.
+    Keep pattern DB metadata as primary, then add any local driver pattern files
+    missing from the DB so new OTA files still appear in menus.
+    """
+    definitions = load_pattern_definitions()
+    available = load_driver_pattern_names()
+    result = {}
+    for name, meta in definitions.items():
+        result[name] = dict(meta) if isinstance(meta, dict) else {}
+    for name in available:
+        if name not in result:
+            result[name] = {}
+    return result
+
 @controller.get('/definitions')
 async def get_pattern_definitions(request):
-    """Get pattern definitions from pattern.json."""
+    """Get definitions for patterns currently available on the driver."""
-    definitions = load_pattern_definitions()
+    definitions = build_runtime_pattern_map()
     return json.dumps(definitions), 200, {'Content-Type': 'application/json'}
 
+
+@controller.get('/ota/manifest')
+async def ota_manifest(request):
+    """Manifest of driver pattern source files for OTA pulls."""
+    base_dir = driver_patterns_dir()
+    host = request.headers.get("Host", "")
+    if not host:
+        return json.dumps({"error": "Missing Host header"}), 400, {
+            "Content-Type": "application/json"
+        }
+    try:
+        names = sorted(os.listdir(base_dir))
+    except OSError as e:
+        return json.dumps({"error": str(e)}), 500, {"Content-Type": "application/json"}
+
+    files = []
+    for name in names:
+        if not _safe_pattern_filename(name) or name == "__init__.py":
+            continue
+        files.append({
+            "name": name,
+            "url": "http://%s/patterns/ota/file/%s" % (host, name),
+        })
+
+    return json.dumps({"files": files}), 200, {"Content-Type": "application/json"}
+
+
+@controller.get('/ota/file/<name>')
+async def ota_pattern_file(request, name):
+    """Serve one driver pattern source file for OTA pulls."""
+    fname = normalize_pattern_py_filename(name)
+    if not fname or not _safe_pattern_filename(fname) or fname == "__init__.py":
+        return json.dumps({"error": "Invalid filename"}), 400, {
+            "Content-Type": "application/json"
+        }
+    if is_firmware_builtin_pattern_module(fname):
+        return json.dumps(
+            {
+                "error": "on and off are built into the driver firmware; there is no module file to serve.",
+            }
+        ), 400, {
+            "Content-Type": "application/json"
+        }
+    base = driver_patterns_dir()
+    path = os.path.join(base, fname)
+    try:
+        with open(path, "r") as f:
+            content = f.read()
+    except OSError:
+        return json.dumps(
+            {
+                "error": "Pattern file not found",
+                "path": path,
+                "hint": "Ensure led-driver is present or set LED_CONTROLLER_PATTERNS_DIR.",
+            }
+        ), 404, {
+            "Content-Type": "application/json"
+        }
+    return content, 200, {"Content-Type": "text/plain; charset=utf-8"}
+
+
+@controller.post('/<name>/send')
+async def send_pattern_to_device(request, name):
+    """Push one pattern source file directly to Wi-Fi driver(s) over HTTP."""
+    if not isinstance(name, str):
+        return json.dumps({"error": "Invalid pattern name"}), 400, {
+            "Content-Type": "application/json"
+        }
+    filename = normalize_pattern_py_filename(name)
+    if not filename or not _safe_pattern_filename(filename) or filename == "__init__.py":
+        return json.dumps({"error": "Invalid pattern filename"}), 400, {
+            "Content-Type": "application/json"
+        }
+    if is_firmware_builtin_pattern_module(filename):
+        return json.dumps(
+            {
+                "error": "on and off are built into the driver firmware; send does not apply.",
+            }
+        ), 400, {
+            "Content-Type": "application/json"
+        }
+
+    devices = Device()
+    body = request.json or {}
+    requested_device_id = str(body.get("device_id") or "").strip()
+
+    base = driver_patterns_dir()
+    path = os.path.join(base, filename)
+    if not os.path.exists(path):
+        return json.dumps(
+            {
+                "error": "Pattern file not found",
+                "path": path,
+                "hint": "Ensure led-driver is present or set LED_CONTROLLER_PATTERNS_DIR.",
+            }
+        ), 404, {
+            "Content-Type": "application/json"
+        }
+
+    try:
+        with open(path, "r") as f:
+            source = f.read()
+    except OSError as e:
+        return json.dumps({"error": str(e)}), 500, {"Content-Type": "application/json"}
+    target_ids = []
+    if requested_device_id:
+        dev = devices.read(requested_device_id)
+        if not dev:
+            return json.dumps({"error": "Device not found"}), 404, {
+                "Content-Type": "application/json"
+            }
+        if (dev.get("transport") or "").lower() != "wifi":
+            return json.dumps({"error": "Pattern send is only supported for Wi-Fi devices"}), 400, {
+                "Content-Type": "application/json"
+            }
+        target_ids = [requested_device_id]
+    else:
+        for did in devices.list():
+            dev = devices.read(did) or {}
+            if (dev.get("transport") or "").lower() == "wifi":
+                target_ids.append(str(did))
+        if not target_ids:
+            return json.dumps({"error": "No Wi-Fi devices found"}), 404, {
+                "Content-Type": "application/json"
+            }
+
+    sent_ids = []
+    for did in target_ids:
+        dev = devices.read(did) or {}
+        ip = str(dev.get("address") or "").strip()
+        if not ip:
+            continue
+        ok = _http_post_pattern_source(ip, filename, source, reload_patterns=True, timeout_s=10.0)
+        if ok:
+            sent_ids.append(did)
+
+    if not sent_ids:
+        return json.dumps({"error": "No Wi-Fi drivers accepted pattern upload"}), 503, {
+            "Content-Type": "application/json"
+        }
+    return json.dumps({"message": "Pattern sent", "pattern": filename, "device_ids": sent_ids, "sent_count": len(sent_ids)}), 200, {
+        "Content-Type": "application/json"
+    }
+
+
+@controller.post('/upload')
+async def upload_pattern_file(request):
+    """
+    Upload a pattern source file to led-controller local storage.
+
+    Body JSON:
+      {
+        "name": "sparkle.py" | "sparkle",
+        "code": "class Sparkle: ...",
+        "overwrite": true | false   # optional, default true
+      }
+    """
+    data = request.json or {}
+    raw_name = data.get("name") or data.get("filename")
+    code = data.get("code")
+    overwrite = data.get("overwrite", True)
+    overwrite = bool(overwrite)
+
+    if not isinstance(raw_name, str) or not raw_name.strip():
+        return json.dumps({"error": "name is required"}), 400, {
+            "Content-Type": "application/json"
+        }
+    filename = raw_name.strip()
+    if not filename.endswith(".py"):
+        filename += ".py"
+    if not _safe_pattern_filename(filename) or filename == "__init__.py":
+        return json.dumps({"error": "invalid pattern filename"}), 400, {
+            "Content-Type": "application/json"
+        }
+    if is_firmware_builtin_pattern_module(filename):
+        return json.dumps(
+            {"error": "on and off are built into the driver firmware; use a different pattern name."}
+        ), 400, {
+            "Content-Type": "application/json"
+        }
+    if not isinstance(code, str) or not code.strip():
+        return json.dumps({"error": "code is required"}), 400, {
+            "Content-Type": "application/json"
+        }
+
+    path = os.path.join(driver_patterns_dir(), filename)
+    exists = os.path.exists(path)
+    if exists and not overwrite:
+        return json.dumps({"error": "pattern file already exists", "name": filename}), 409, {
+            "Content-Type": "application/json"
+        }
+
+    try:
+        with open(path, "w") as f:
+            f.write(code)
+    except OSError as e:
+        return json.dumps({"error": str(e)}), 500, {"Content-Type": "application/json"}
+
+    return json.dumps({
+        "message": "Pattern uploaded",
+        "name": filename,
+        "overwrote": bool(exists),
+    }), 201, {"Content-Type": "application/json"}
+
+
+@controller.post('/driver')
+async def create_driver_pattern(request):
+    """
+    Create a driver pattern: save ``.py`` under led-driver/src/patterns and
+    metadata in db/pattern.json (Pattern model).
+
+    Body JSON:
+      name, code (required),
+      min_delay, max_delay, max_colors (optional numbers),
+      has_background (optional bool),
+      supports_manual (optional bool, default true if omitted in db),
+      n1..n8 (optional string labels),
+      overwrite (optional, default true).
+    """
+    data = request.json or {}
+    key = _normalize_pattern_key(data.get("name") or "")
+    if not _valid_pattern_key(key):
+        return json.dumps({
+            "error": "name must be a valid Python identifier (e.g. sparkle, my_pattern)",
+        }), 400, {"Content-Type": "application/json"}
+    if is_firmware_builtin_pattern_module(key):
+        return json.dumps(
+            {"error": "on and off are built into the driver firmware; use a different pattern name."}
+        ), 400, {
+            "Content-Type": "application/json"
+        }
+
+    code = data.get("code")
+    if not isinstance(code, str) or not code.strip():
+        return json.dumps({"error": "code is required (upload a .py file or paste source)"}), 400, {
+            "Content-Type": "application/json"
+        }
+
+    overwrite = bool(data.get("overwrite", True))
+
+    filename = key + ".py"
+    py_path = os.path.join(driver_patterns_dir(), filename)
+    if os.path.exists(py_path) and not overwrite:
+        return json.dumps({"error": "pattern file already exists", "name": filename}), 409, {
+            "Content-Type": "application/json"
+        }
+
+    meta = {}
+    for fld in ("min_delay", "max_delay", "max_colors"):
+        if fld not in data:
+            continue
+        try:
+            meta[fld] = int(data[fld])
+        except (TypeError, ValueError):
+            return json.dumps({"error": "%s must be an integer" % fld}), 400, {
+                "Content-Type": "application/json"
+            }
+
+    if "has_background" in data:
+        meta["has_background"] = bool(data.get("has_background"))
+
+    if "supports_manual" in data:
+        meta["supports_manual"] = bool(data.get("supports_manual"))
+
+    for i in range(1, 9):
+        nk = "n%d" % i
+        if nk not in data:
+            continue
+        lab = data[nk]
+        if lab is None:
+            continue
+        s = str(lab).strip()
+        if s:
+            meta[nk] = s
+
+    try:
+        with open(py_path, "w") as f:
+            f.write(code)
+    except OSError as e:
+        return json.dumps({"error": str(e)}), 500, {"Content-Type": "application/json"}
+
+    if patterns.read(key):
+        patterns.update(key, meta)
+    else:
+        patterns.create(key, meta)
+
+    return json.dumps({
+        "message": "Pattern created",
+        "name": key,
+        "file": filename,
+        "metadata": patterns.read(key),
+    }), 201, {"Content-Type": "application/json"}
+
+
 @controller.get('')
 async def list_patterns(request):
-    """List all patterns."""
+    """List patterns for UI (DB metadata + local driver additions)."""
-    return json.dumps(patterns), 200, {'Content-Type': 'application/json'}
+    return json.dumps(build_runtime_pattern_map()), 200, {'Content-Type': 'application/json'}
 
 
 @controller.get('/<id>')

src/controllers/preset.py

@@ -2,15 +2,30 @@ from microdot import Microdot
 from microdot.session import with_session
 from models.preset import Preset
 from models.profile import Profile
+from models.pallet import Palette
+from models.device import Device, normalize_mac
 from models.transport import get_current_sender
+from util.driver_delivery import deliver_json_messages, deliver_preset_broadcast_then_per_device
 from util.espnow_message import build_message, build_preset_dict
-import asyncio
+from util.profile_bundle import export_preset_bundle, import_preset_bundle
 import json
 
 controller = Microdot()
 presets = Preset()
 profiles = Profile()
 
+
+def _palette_colors_for_profile(profile_id):
+    prof = profiles.read(str(profile_id))
+    if not isinstance(prof, dict):
+        return None
+    pid = prof.get("palette_id") or prof.get("paletteId")
+    if not pid:
+        return None
+    cols = Palette().read(str(pid))
+    return cols if isinstance(cols, list) else None
+
+
 def get_current_profile_id(session=None):
     """Get the current active profile ID from session or fallback to first."""
     profile_list = profiles.list()
@@ -36,6 +51,41 @@ async def list_presets(request, session):
     }
     return json.dumps(scoped), 200, {'Content-Type': 'application/json'}
 
+@controller.get('/<preset_id>/export')
+@with_session
+async def export_preset(request, session, preset_id):
+    """Export one preset as a JSON bundle."""
+    current_profile_id = get_current_profile_id(session)
+    preset = presets.read(preset_id)
+    if not preset or str(preset.get("profile_id")) != str(current_profile_id):
+        return json.dumps({"error": "Preset not found"}), 404, {'Content-Type': 'application/json'}
+    try:
+        bundle = export_preset_bundle(preset_id, presets)
+        return json.dumps(bundle), 200, {'Content-Type': 'application/json'}
+    except ValueError as e:
+        return json.dumps({"error": str(e)}), 404, {'Content-Type': 'application/json'}
+
+
+@controller.post('/import')
+@with_session
+async def import_preset(request, session):
+    """Import a preset bundle into the current profile."""
+    try:
+        current_profile_id = get_current_profile_id(session)
+        if not current_profile_id:
+            return json.dumps({"error": "No profile available"}), 404, {'Content-Type': 'application/json'}
+        body = request.json or {}
+        bundle = body.get("bundle") if isinstance(body, dict) else body
+        if not isinstance(bundle, dict):
+            return json.dumps({"error": "Expected JSON bundle"}), 400, {'Content-Type': 'application/json'}
+        new_id, preset_data = import_preset_bundle(bundle, presets, current_profile_id)
+        return json.dumps({new_id: preset_data}), 201, {'Content-Type': 'application/json'}
+    except ValueError as e:
+        return json.dumps({"error": str(e)}), 400, {'Content-Type': 'application/json'}
+    except Exception as e:
+        return json.dumps({"error": str(e)}), 400, {'Content-Type': 'application/json'}
+
+
 @controller.get('/<preset_id>')
 @with_session
 async def get_preset(request, session, preset_id):
@@ -125,13 +175,17 @@ async def delete_preset(request, *args, **kwargs):
 @with_session
 async def send_presets(request, session):
     """
-    Send one or more presets to the LED driver (via serial transport).
+    Send one or more presets to LED drivers (serial/ESP-NOW and/or TCP Wi-Fi clients).
 
     Body JSON:
         {"preset_ids": ["1", "2", ...]}  or  {"ids": ["1", "2", ...]}
+        Optional "targets": ["aabbccddeeff", ...] — registry MACs. When set: preset
+        chunks are ESP-NOW broadcast once each; Wi-Fi drivers get the same chunks
+        over TCP; if "default" is set, each target then gets a unicast default
+        message (serial or TCP) with that device name in "targets".
+        Omit targets for broadcast-only serial (legacy).
 
-    The controller looks up each preset, converts to API format, chunks into
+    Optional "destination_mac" / "to": single MAC when targets is omitted.
-    <= 240-byte messages, and sends them over the configured transport.
     """
     try:
         data = request.json or {}
@@ -144,11 +198,11 @@ async def send_presets(request, session):
     save_flag = data.get('save', True)
     save_flag = bool(save_flag)
     default_id = data.get('default')
-    # Optional 12-char hex MAC to send to one device; omit for default (e.g. broadcast).
     destination_mac = data.get('destination_mac') or data.get('to')
 
     # Build API-compliant preset map keyed by preset ID, include name
     current_profile_id = get_current_profile_id(session)
+    palette_colors = _palette_colors_for_profile(current_profile_id)
     presets_by_name = {}
     for pid in preset_ids:
         preset_data = presets.read(str(pid))
@@ -157,7 +211,7 @@ async def send_presets(request, session):
         if str(preset_data.get("profile_id")) != str(current_profile_id):
             continue
         preset_key = str(pid)
-        preset_payload = build_preset_dict(preset_data)
+        preset_payload = build_preset_dict(preset_data, palette_colors)
         preset_payload["name"] = preset_data.get("name", "")
         presets_by_name[preset_key] = preset_payload
 
@@ -171,23 +225,13 @@ async def send_presets(request, session):
     if not sender:
         return json.dumps({"error": "Transport not configured"}), 503, {'Content-Type': 'application/json'}
 
-    async def send_chunk(chunk_presets, is_last):
-        # Save/default should only be sent with the final presets chunk.
-        msg = build_message(
-            presets=chunk_presets,
-            save=save_flag and is_last,
-            default=default_id if is_last else None,
-        )
-        await sender.send(msg, addr=destination_mac)
-
     MAX_BYTES = 240
     send_delay_s = 0.1
     entries = list(presets_by_name.items())
     total_presets = len(entries)
-    messages_sent = 0
 
     batch = {}
-    last_msg = None
+    chunk_messages = []
     for name, preset_obj in entries:
         test_batch = dict(batch)
         test_batch[name] = preset_obj
@@ -196,28 +240,144 @@ async def send_presets(request, session):
 
         if size <= MAX_BYTES or not batch:
             batch = test_batch
-            last_msg = test_msg
         else:
-            try:
+            chunk_messages.append(
-                await send_chunk(batch, False)
+                build_message(
-            except Exception:
+                    presets=dict(batch),
-                return json.dumps({"error": "Send failed"}), 503, {'Content-Type': 'application/json'}
+                    save=False,
-            await asyncio.sleep(send_delay_s)
+                    default=None,
-            messages_sent += 1
+                )
+            )
             batch = {name: preset_obj}
-            last_msg = build_message(presets=batch, save=save_flag, default=default_id)
 
     if batch:
-        try:
+        chunk_messages.append(
-            await send_chunk(batch, True)
+            build_message(
-        except Exception:
+                presets=dict(batch),
-            return json.dumps({"error": "Send failed"}), 503, {'Content-Type': 'application/json'}
+                save=save_flag,
-        await asyncio.sleep(send_delay_s)
+                default=default_id,
-        messages_sent += 1
+            )
+        )
+
+    target_list = None
+    raw_targets = data.get("targets")
+    if isinstance(raw_targets, list) and raw_targets:
+        target_list = []
+        for t in raw_targets:
+            m = normalize_mac(str(t))
+            if m:
+                target_list.append(m)
+        target_list = list(dict.fromkeys(target_list))
+        if not target_list:
+            target_list = None
+    elif destination_mac:
+        dm = normalize_mac(str(destination_mac))
+        target_list = [dm] if dm else None
+
+    try:
+        if target_list:
+            deliveries = await deliver_preset_broadcast_then_per_device(
+                sender,
+                chunk_messages,
+                target_list,
+                Device(),
+                str(default_id) if default_id is not None else None,
+                delay_s=send_delay_s,
+            )
+        else:
+            deliveries, _chunks = await deliver_json_messages(
+                sender,
+                chunk_messages,
+                None,
+                Device(),
+                delay_s=send_delay_s,
+            )
+    except Exception:
+        return json.dumps({"error": "Send failed"}), 503, {'Content-Type': 'application/json'}
 
     return json.dumps({
         "message": "Presets sent",
         "presets_sent": total_presets,
-        "messages_sent": messages_sent
+        "messages_sent": deliveries,
+    }), 200, {'Content-Type': 'application/json'}
+
+
+@controller.post('/push')
+@with_session
+async def push_driver_messages(request, session):
+    """
+    Deliver one or more raw v1 JSON objects to devices (ESP-NOW and/or TCP).
+
+    Body:
+        {"sequence": [{ "v": "1", ... }, ...], "targets": ["mac", ...]}
+    or a single {"payload": {...}, "targets": [...]}.
+    """
+    try:
+        data = request.json or {}
+    except Exception:
+        return json.dumps({"error": "Invalid JSON"}), 400, {'Content-Type': 'application/json'}
+
+    seq = data.get("sequence")
+    if not seq and data.get("payload") is not None:
+        seq = [data["payload"]]
+    if not isinstance(seq, list) or not seq:
+        return json.dumps({"error": "sequence or payload required"}), 400, {'Content-Type': 'application/json'}
+
+    raw_targets = data.get("targets")
+    target_list = None
+    if isinstance(raw_targets, list) and raw_targets:
+        target_list = []
+        for t in raw_targets:
+            m = normalize_mac(str(t))
+            if m:
+                target_list.append(m)
+        target_list = list(dict.fromkeys(target_list))
+        if not target_list:
+            target_list = None
+
+    sender = get_current_sender()
+    if not sender:
+        return json.dumps({"error": "Transport not configured"}), 503, {'Content-Type': 'application/json'}
+
+    messages = []
+    for item in seq:
+        if isinstance(item, dict):
+            messages.append(json.dumps(item))
+        elif isinstance(item, str):
+            messages.append(item)
+        else:
+            return json.dumps({"error": "sequence items must be objects or strings"}), 400, {'Content-Type': 'application/json'}
+
+    delay_s = data.get("delay_s", 0.05)
+    try:
+        delay_s = float(delay_s)
+    except (TypeError, ValueError):
+        delay_s = 0.05
+
+    try:
+        deliveries, _chunks = await deliver_json_messages(
+            sender,
+            messages,
+            target_list,
+            Device(),
+            delay_s=delay_s,
+        )
+    except Exception:
+        return json.dumps({"error": "Send failed"}), 503, {'Content-Type': 'application/json'}
+
+    try:
+        from util import sequence_playback as seq_pb
+        from util.beat_driver_route import sync_beat_route_from_push_sequence
+
+        preserve = bool(seq_pb.playback_status().get("active"))
+        sync_beat_route_from_push_sequence(
+            seq, target_macs=target_list, preserve_parallel_lane_routes=preserve
+        )
+    except Exception:
+        pass
+
+    return json.dumps({
+        "message": "Delivered",
+        "deliveries": deliveries,
     }), 200, {'Content-Type': 'application/json'}
 

src/controllers/profile.py

@@ -1,14 +1,17 @@
 from microdot import Microdot
 from microdot.session import with_session
 from models.profile import Profile
-from models.tab import Tab
+from models.zone import Zone
 from models.preset import Preset
+from models.sequence import Sequence
+from util.profile_bundle import export_profile_bundle, import_profile_bundle
 import json
 
 controller = Microdot()
 profiles = Profile()
-tabs = Tab()
+zones = Zone()
 presets = Preset()
+sequences = Sequence()
 
 @controller.get('')
 @with_session
@@ -54,18 +57,64 @@ async def get_current_profile(request, session):
         return json.dumps({"id": current_id, "profile": profile}), 200, {'Content-Type': 'application/json'}
     return json.dumps({"error": "No profile available"}), 404
 
-@controller.get('/<id>')
-@with_session
-async def get_profile(request, id, session):
-    """Get a specific profile by ID."""
-    # Handle 'current' as a special case
-    if id == 'current':
-        return await get_current_profile(request, session)
 
-    profile = profiles.read(id)
+@controller.post('/import')
-    if profile:
+@with_session
-        return json.dumps(profile), 200, {'Content-Type': 'application/json'}
+async def import_profile(request, session):
-    return json.dumps({"error": "Profile not found"}), 404
+    """Import a profile bundle (optionally apply as current profile)."""
+    try:
+        body = request.json or {}
+        bundle = body.get("bundle") if isinstance(body, dict) else body
+        if not isinstance(bundle, dict):
+            return json.dumps({"error": "Expected JSON bundle"}), 400, {'Content-Type': 'application/json'}
+        name = body.get("name") if isinstance(body, dict) else None
+        apply_raw = body.get("apply", True) if isinstance(body, dict) else True
+        if isinstance(apply_raw, str):
+            apply = apply_raw.strip().lower() in ("1", "true", "yes", "on")
+        else:
+            apply = bool(apply_raw)
+
+        new_profile_id, profile_data = import_profile_bundle(
+            bundle,
+            profiles,
+            zones,
+            presets,
+            sequences,
+            profiles._palette_model,
+            name=str(name).strip() if name else None,
+        )
+        if apply:
+            session['current_profile'] = str(new_profile_id)
+            session.save()
+        return (
+            json.dumps({new_profile_id: profile_data, "id": new_profile_id}),
+            201,
+            {'Content-Type': 'application/json'},
+        )
+    except ValueError as e:
+        return json.dumps({"error": str(e)}), 400, {'Content-Type': 'application/json'}
+    except Exception as e:
+        return json.dumps({"error": str(e)}), 400, {'Content-Type': 'application/json'}
+
+
+@controller.get('/<id>/export')
+async def export_profile(request, id):
+    """Export profile, zones, presets, sequences, and palette as a JSON bundle."""
+    try:
+        bundle = export_profile_bundle(
+            str(id),
+            profiles,
+            zones,
+            presets,
+            sequences,
+            profiles._palette_model,
+        )
+        return json.dumps(bundle), 200, {'Content-Type': 'application/json'}
+    except ValueError as e:
+        return json.dumps({"error": str(e)}), 404, {'Content-Type': 'application/json'}
+    except Exception as e:
+        return json.dumps({"error": str(e)}), 400, {'Content-Type': 'application/json'}
+
 
 @controller.post('/<id>/apply')
 @with_session
@@ -77,125 +126,6 @@ async def apply_profile(request, session, id):
     session.save()
     return json.dumps({"message": "Profile applied", "id": str(id)}), 200, {'Content-Type': 'application/json'}
 
-@controller.post('')
-async def create_profile(request):
-    """Create a new profile."""
-    try:
-        data = dict(request.json or {})
-        name = data.get("name", "")
-        seed_raw = data.get("seed_dj_tab", False)
-        if isinstance(seed_raw, str):
-            seed_dj_tab = seed_raw.strip().lower() in ("1", "true", "yes", "on")
-        else:
-            seed_dj_tab = bool(seed_raw)
-        # Request-only flag: do not persist on profile records.
-        data.pop("seed_dj_tab", None)
-        profile_id = profiles.create(name)
-        # Avoid persisting request-only fields.
-        data.pop("name", None)
-        if data:
-            profiles.update(profile_id, data)
-
-        # New profiles always start with a default tab pre-populated with starter presets.
-        default_preset_ids = []
-        default_preset_defs = [
-            {
-                "name": "on",
-                "pattern": "on",
-                "colors": ["#FFFFFF"],
-                "brightness": 255,
-                "delay": 100,
-                "auto": True,
-            },
-            {
-                "name": "off",
-                "pattern": "off",
-                "colors": [],
-                "brightness": 0,
-                "delay": 100,
-                "auto": True,
-            },
-            {
-                "name": "rainbow",
-                "pattern": "rainbow",
-                "colors": [],
-                "brightness": 255,
-                "delay": 100,
-                "auto": True,
-                "n1": 2,
-            },
-            {
-                "name": "transition",
-                "pattern": "transition",
-                "colors": ["#FF0000", "#00FF00", "#0000FF"],
-                "brightness": 255,
-                "delay": 500,
-                "auto": True,
-            },
-        ]
-
-        for preset_data in default_preset_defs:
-            pid = presets.create(profile_id)
-            presets.update(pid, preset_data)
-            default_preset_ids.append(str(pid))
-
-        default_tab_id = tabs.create(name="default", names=["1"], presets=[default_preset_ids])
-        tabs.update(default_tab_id, {
-            "presets_flat": default_preset_ids,
-            "default_preset": default_preset_ids[0] if default_preset_ids else None,
-        })
-
-        profile = profiles.read(profile_id) or {}
-        profile_tabs = profile.get("tabs", []) if isinstance(profile.get("tabs", []), list) else []
-        profile_tabs.append(str(default_tab_id))
-
-        if seed_dj_tab:
-            # Seed a DJ-focused tab with three starter presets.
-            seeded_preset_ids = []
-            preset_defs = [
-                {
-                    "name": "DJ Rainbow",
-                    "pattern": "rainbow",
-                    "colors": [],
-                    "brightness": 220,
-                    "delay": 60,
-                    "n1": 12,
-                },
-                {
-                    "name": "DJ Single Color",
-                    "pattern": "on",
-                    "colors": ["#ff00ff"],
-                    "brightness": 220,
-                    "delay": 100,
-                },
-                {
-                    "name": "DJ Transition",
-                    "pattern": "transition",
-                    "colors": ["#ff0000", "#00ff00", "#0000ff"],
-                    "brightness": 220,
-                    "delay": 250,
-                },
-            ]
-
-            for preset_data in preset_defs:
-                pid = presets.create(profile_id)
-                presets.update(pid, preset_data)
-                seeded_preset_ids.append(str(pid))
-
-            dj_tab_id = tabs.create(name="dj", names=["dj"], presets=[seeded_preset_ids])
-            tabs.update(dj_tab_id, {
-                "presets_flat": seeded_preset_ids,
-                "default_preset": seeded_preset_ids[0] if seeded_preset_ids else None,
-            })
-
-            profile_tabs.append(str(dj_tab_id))
-
-        profiles.update(profile_id, {"tabs": profile_tabs})
-
-        profile_data = profiles.read(profile_id)
-        return json.dumps({profile_id: profile_data}), 201, {'Content-Type': 'application/json'}
-    except Exception as e:
-        return json.dumps({"error": str(e)}), 400
 
 @controller.post('/<id>/clone')
 async def clone_profile(request, id):
@@ -208,7 +138,7 @@ async def clone_profile(request, id):
         data = request.json or {}
         source_name = source.get("name") or f"Profile {id}"
         new_name = data.get("name") or source_name
-        profile_type = source.get("type", "tabs")
+        profile_type = source.get("type", "zones")
 
         def allocate_id(model, cache):
             if "next" not in cache:
@@ -255,28 +185,28 @@ async def clone_profile(request, id):
                 palette_colors = []
 
         # Clone tabs and presets used by those tabs
-        source_tabs = source.get("tabs")
+        source_tabs = source.get("zones")
         if not isinstance(source_tabs, list) or len(source_tabs) == 0:
-            source_tabs = source.get("tab_order", [])
+            source_tabs = source.get("zone_order", [])
         source_tabs = source_tabs or []
         cloned_tab_ids = []
         preset_id_map = {}
         new_tabs = {}
         new_presets = {}
-        for tab_id in source_tabs:
+        for zone_id in source_tabs:
-            tab = tabs.read(tab_id)
+            zone = zones.read(zone_id)
-            if not tab:
+            if not zone:
                 continue
-            tab_name = tab.get("name") or f"Tab {tab_id}"
+            tab_name = zone.get("name") or f"Zone {zone_id}"
             clone_name = tab_name
-            mapped_presets = map_preset_container(tab.get("presets"), preset_id_map, preset_cache, new_profile_id, new_presets)
+            mapped_presets = map_preset_container(zone.get("presets"), preset_id_map, preset_cache, new_profile_id, new_presets)
-            clone_id = allocate_id(tabs, tab_cache)
+            clone_id = allocate_id(zones, tab_cache)
             clone_data = {
                 "name": clone_name,
-                "names": tab.get("names") or [],
+                "names": zone.get("names") or [],
                 "presets": mapped_presets if mapped_presets is not None else []
             }
-            extra = {k: v for k, v in tab.items() if k not in ("name", "names", "presets")}
+            extra = {k: v for k, v in zone.items() if k not in ("name", "names", "presets")}
             if "presets_flat" in extra:
                 extra["presets_flat"] = map_preset_container(extra.get("presets_flat"), preset_id_map, preset_cache, new_profile_id, new_presets)
             if extra:
@@ -287,7 +217,7 @@ async def clone_profile(request, id):
         new_profile_data = {
             "name": new_name,
             "type": profile_type,
-            "tabs": cloned_tab_ids,
+            "zones": cloned_tab_ids,
             "scenes": list(source.get("scenes", [])) if isinstance(source.get("scenes", []), list) else [],
             "palette_id": str(new_palette_id),
         }
@@ -297,18 +227,196 @@ async def clone_profile(request, id):
         for pid, pdata in new_presets.items():
             presets[pid] = pdata
         for tid, tdata in new_tabs.items():
-            tabs[tid] = tdata
+            zones[tid] = tdata
         profiles[str(new_profile_id)] = new_profile_data
 
         profiles._palette_model.save()
         presets.save()
-        tabs.save()
+        zones.save()
         profiles.save()
 
         return json.dumps({new_profile_id: new_profile_data}), 201, {'Content-Type': 'application/json'}
     except Exception as e:
         return json.dumps({"error": str(e)}), 400
 
+
+@controller.get('/<id>')
+@with_session
+async def get_profile(request, id, session):
+    """Get a specific profile by ID."""
+    # Handle 'current' as a special case
+    if id == 'current':
+        return await get_current_profile(request, session)
+    
+    profile = profiles.read(id)
+    if profile:
+        return json.dumps(profile), 200, {'Content-Type': 'application/json'}
+    return json.dumps({"error": "Profile not found"}), 404
+
+@controller.post('')
+async def create_profile(request):
+    """Create a new profile."""
+    try:
+        data = dict(request.json or {})
+        name = data.get("name", "")
+        seed_raw = data.get("seed_dj_zone", False)
+        if isinstance(seed_raw, str):
+            seed_dj_zone = seed_raw.strip().lower() in ("1", "true", "yes", "on")
+        else:
+            seed_dj_zone = bool(seed_raw)
+        # Request-only flag: do not persist on profile records.
+        data.pop("seed_dj_zone", None)
+        profile_id = profiles.create(name)
+        # Avoid persisting request-only fields.
+        data.pop("name", None)
+        if data:
+            profiles.update(profile_id, data)
+
+        # New profiles always start with a default zone pre-populated with starter presets.
+        default_preset_ids = []
+        default_preset_defs = [
+            {
+                "name": "on",
+                "pattern": "on",
+                "colors": ["#FFFFFF"],
+                "brightness": 255,
+                "delay": 100,
+                "auto": True,
+            },
+            {
+                "name": "off",
+                "pattern": "off",
+                "colors": [],
+                "brightness": 0,
+                "delay": 100,
+                "auto": True,
+            },
+            {
+                "name": "rainbow",
+                "pattern": "colour_cycle",
+                "colors": [],
+                "brightness": 255,
+                "delay": 100,
+                "auto": True,
+                "n1": 2,
+                "mode": 1,
+            },
+            {
+                "name": "Colour Cycle",
+                "pattern": "colour_cycle",
+                "colors": ["#FF0000", "#00FF00", "#0000FF"],
+                "brightness": 255,
+                "delay": 100,
+                "auto": True,
+                "n1": 1,
+            },
+            {
+                "name": "transition",
+                "pattern": "transition",
+                "colors": ["#FF0000", "#00FF00", "#0000FF"],
+                "brightness": 255,
+                "delay": 500,
+                "auto": True,
+            },
+            {
+                "name": "flicker",
+                "pattern": "flicker",
+                "colors": ["#FFB84D"],
+                "brightness": 255,
+                "delay": 80,
+                "auto": True,
+                "n1": 30,
+            },
+            {
+                "name": "flame",
+                "pattern": "flame",
+                "colors": [],
+                "brightness": 255,
+                "delay": 50,
+                "auto": True,
+                "n1": 35,
+                "n2": 2600,
+                "n3": 0,
+                "n4": 0,
+            },
+            {
+                "name": "twinkle",
+                "pattern": "twinkle",
+                "colors": ["#78C8FF", "#508CFF", "#B478FF", "#64DCE8", "#A0C8FF"],
+                "brightness": 255,
+                "delay": 55,
+                "auto": True,
+                "n1": 72,
+                "n2": 140,
+                "n3": 2,
+                "n4": 6,
+            },
+        ]
+
+        for preset_data in default_preset_defs:
+            pid = presets.create(profile_id)
+            presets.update(pid, preset_data)
+            default_preset_ids.append(str(pid))
+
+        default_tab_id = zones.create(name="default", names=["1"], presets=[default_preset_ids])
+        zones.update(default_tab_id, {
+            "presets_flat": default_preset_ids,
+            "default_preset": default_preset_ids[0] if default_preset_ids else None,
+        })
+
+        profile = profiles.read(profile_id) or {}
+        profile_tabs = profile.get("zones", []) if isinstance(profile.get("zones", []), list) else []
+        profile_tabs.append(str(default_tab_id))
+
+        if seed_dj_zone:
+            # Seed a DJ-focused zone with three starter presets.
+            seeded_preset_ids = []
+            preset_defs = [
+                {
+                    "name": "DJ Rainbow",
+                    "pattern": "colour_cycle",
+                    "colors": [],
+                    "brightness": 220,
+                    "delay": 60,
+                    "n1": 12,
+                    "mode": 1,
+                },
+                {
+                    "name": "DJ Single Color",
+                    "pattern": "on",
+                    "colors": ["#ff00ff"],
+                    "brightness": 220,
+                    "delay": 100,
+                },
+                {
+                    "name": "DJ Transition",
+                    "pattern": "transition",
+                    "colors": ["#ff0000", "#00ff00", "#0000ff"],
+                    "brightness": 220,
+                    "delay": 250,
+                },
+            ]
+
+            for preset_data in preset_defs:
+                pid = presets.create(profile_id)
+                presets.update(pid, preset_data)
+                seeded_preset_ids.append(str(pid))
+
+            dj_tab_id = zones.create(name="dj", names=["dj"], presets=[seeded_preset_ids])
+            zones.update(dj_tab_id, {
+                "presets_flat": seeded_preset_ids,
+                "default_preset": seeded_preset_ids[0] if seeded_preset_ids else None,
+            })
+
+            profile_tabs.append(str(dj_tab_id))
+
+        profiles.update(profile_id, {"zones": profile_tabs})
+
+        profile_data = profiles.read(profile_id)
+        return json.dumps({profile_id: profile_data}), 201, {'Content-Type': 'application/json'}
+    except Exception as e:
+        return json.dumps({"error": str(e)}), 400
+
 @controller.put('/current')
 @with_session
 async def update_current_profile(request, session):

src/controllers/sequence.py

@@ -1,51 +1,298 @@
 from microdot import Microdot
-from models.squence import Sequence
+from microdot.session import with_session
+from models.sequence import Sequence
+from models.profile import Profile
+from models.transport import get_current_sender
+from models.preset import Preset
+from util.profile_bundle import export_sequence_bundle, import_sequence_bundle
 import json
 
 controller = Microdot()
 sequences = Sequence()
+profiles = Profile()
+presets = Preset()
 
-@controller.get('')
-async def list_sequences(request):
-    """List all sequences."""
-    return json.dumps(sequences), 200, {'Content-Type': 'application/json'}
 
-@controller.get('/<id>')
+def get_current_profile_id(session=None):
-async def get_sequence(request, id):
+    """Get the current active profile ID from session or fallback to first."""
-    """Get a specific sequence by ID."""
+    profile_list = profiles.list()
-    sequence = sequences.read(id)
+    session_profile = None
-    if sequence:
+    if session is not None:
-        return json.dumps(sequence), 200, {'Content-Type': 'application/json'}
+        session_profile = session.get("current_profile")
+    if session_profile and session_profile in profile_list:
+        return session_profile
+    if profile_list:
+        return profile_list[0]
+    return None
+
+
+@controller.get("")
+@with_session
+async def list_sequences(request, session):
+    """List sequences for the current profile."""
+    sequences.load()
+    current_profile_id = get_current_profile_id(session)
+    if not current_profile_id:
+        return json.dumps({}), 200, {"Content-Type": "application/json"}
+    scoped = {
+        sid: sdata
+        for sid, sdata in sequences.items()
+        if isinstance(sdata, dict)
+        and str(sdata.get("profile_id")) == str(current_profile_id)
+    }
+    return json.dumps(scoped), 200, {"Content-Type": "application/json"}
+
+
+@controller.get("/<id>/export")
+@with_session
+async def export_sequence(request, session, id):
+    """Export a sequence and referenced presets as a JSON bundle."""
+    current_profile_id = get_current_profile_id(session)
+    if not current_profile_id:
+        return json.dumps({"error": "No profile available"}), 404, {"Content-Type": "application/json"}
+    try:
+        bundle = export_sequence_bundle(
+            id,
+            sequences,
+            presets,
+            profile_id=current_profile_id,
+        )
+        return json.dumps(bundle), 200, {"Content-Type": "application/json"}
+    except ValueError as e:
+        return json.dumps({"error": str(e)}), 404, {"Content-Type": "application/json"}
+
+
+@controller.post("/import")
+@with_session
+async def import_sequence(request, session):
+    """Import a sequence bundle into the current profile."""
+    try:
+        current_profile_id = get_current_profile_id(session)
+        if not current_profile_id:
+            return (
+                json.dumps({"error": "No profile available"}),
+                404,
+                {"Content-Type": "application/json"},
+            )
+        body = request.json or {}
+        bundle = body.get("bundle") if isinstance(body, dict) else body
+        if not isinstance(bundle, dict):
+            return (
+                json.dumps({"error": "Expected JSON bundle"}),
+                400,
+                {"Content-Type": "application/json"},
+            )
+        new_id, seq_data = import_sequence_bundle(bundle, sequences, presets, current_profile_id)
+        return (
+            json.dumps({new_id: seq_data}),
+            201,
+            {"Content-Type": "application/json"},
+        )
+    except ValueError as e:
+        return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
+    except Exception as e:
+        return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
+
+
+@controller.get("/<id>")
+@with_session
+async def get_sequence(request, session, id):
+    """Get a specific sequence by ID (current profile only)."""
+    sequences.load()
+    current_profile_id = get_current_profile_id(session)
+    seq = sequences.read(id)
+    if (
+        seq
+        and current_profile_id
+        and str(seq.get("profile_id")) == str(current_profile_id)
+    ):
+        return json.dumps(seq), 200, {"Content-Type": "application/json"}
     return json.dumps({"error": "Sequence not found"}), 404
 
-@controller.post('')
-async def create_sequence(request):
-    """Create a new sequence."""
-    try:
-        data = request.json or {}
-        group_name = data.get("group_name", "")
-        preset_names = data.get("presets", None)
-        sequence_id = sequences.create(group_name, preset_names)
-        if data:
-            sequences.update(sequence_id, data)
-        return json.dumps(sequences.read(sequence_id)), 201, {'Content-Type': 'application/json'}
-    except Exception as e:
-        return json.dumps({"error": str(e)}), 400
 
-@controller.put('/<id>')
+@controller.post("")
-async def update_sequence(request, id):
+@with_session
-    """Update an existing sequence."""
+async def create_sequence(request, session):
+    """Create a new sequence for the current profile."""
     try:
+        try:
+            data = request.json or {}
+        except Exception:
+            return (
+                json.dumps({"error": "Invalid JSON"}),
+                400,
+                {"Content-Type": "application/json"},
+            )
+        current_profile_id = get_current_profile_id(session)
+        if not current_profile_id:
+            return (
+                json.dumps({"error": "No profile available"}),
+                404,
+                {"Content-Type": "application/json"},
+            )
+        sequence_id = sequences.create(current_profile_id)
+        if not isinstance(data, dict):
+            data = {}
+        data = dict(data)
+        data["profile_id"] = str(current_profile_id)
+        if sequences.update(sequence_id, data):
+            seq_data = sequences.read(sequence_id)
+            return (
+                json.dumps({sequence_id: seq_data}),
+                201,
+                {"Content-Type": "application/json"},
+            )
+        return (
+            json.dumps({"error": "Failed to create sequence"}),
+            400,
+            {"Content-Type": "application/json"},
+        )
+    except Exception as e:
+        return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
+
+
+@controller.put("/<id>")
+@with_session
+async def update_sequence(request, session, id):
+    """Update an existing sequence (current profile only)."""
+    try:
+        current_profile_id = get_current_profile_id(session)
+        seq = sequences.read(id)
+        if not seq or str(seq.get("profile_id")) != str(current_profile_id):
+            return json.dumps({"error": "Sequence not found"}), 404
         data = request.json
+        if not isinstance(data, dict):
+            return (
+                json.dumps({"error": "Invalid JSON"}),
+                400,
+                {"Content-Type": "application/json"},
+            )
+        data = dict(data)
+        data["profile_id"] = str(current_profile_id)
         if sequences.update(id, data):
-            return json.dumps(sequences.read(id)), 200, {'Content-Type': 'application/json'}
+            try:
+                from util.sequence_playback import stop_if_playing_sequence
+
+                stop_if_playing_sequence(str(id))
+            except Exception:
+                pass
+            return json.dumps(sequences.read(id)), 200, {"Content-Type": "application/json"}
         return json.dumps({"error": "Sequence not found"}), 404
     except Exception as e:
-        return json.dumps({"error": str(e)}), 400
+        return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
 
-@controller.delete('/<id>')
+
-async def delete_sequence(request, id):
+@controller.delete("/<id>")
-    """Delete a sequence."""
+@with_session
+async def delete_sequence(request, session, id):
+    """Delete a sequence (current profile only)."""
+    current_profile_id = get_current_profile_id(session)
+    seq = sequences.read(id)
+    if not seq or str(seq.get("profile_id")) != str(current_profile_id):
+        return json.dumps({"error": "Sequence not found"}), 404
+    try:
+        from util.sequence_playback import stop_if_playing_sequence
+
+        stop_if_playing_sequence(str(id))
+    except Exception:
+        pass
     if sequences.delete(id):
-        return json.dumps({"message": "Sequence deleted successfully"}), 200
+        return (
+            json.dumps({"message": "Sequence deleted successfully"}),
+            200,
+            {"Content-Type": "application/json"},
+        )
     return json.dumps({"error": "Sequence not found"}), 404
+
+
+@controller.post("/sync-phase")
+@with_session
+async def sync_sequence_beat_phase(request, session):
+    """Align beat counters while a sequence is playing (body: {\"mode\": \"step\"|\"pass\"})."""
+    _ = session
+    try:
+        data = request.json or {}
+    except Exception:
+        data = {}
+    if not isinstance(data, dict):
+        data = {}
+    mode = data.get("mode") or data.get("align") or "step"
+    try:
+        from util.sequence_playback import sync_beat_phase
+
+        if not await sync_beat_phase(str(mode)):
+            return (
+                json.dumps({"error": "No sequence is playing"}),
+                409,
+                {"Content-Type": "application/json"},
+            )
+        from util.audio_detector import anchor_shared_bar_phase
+
+        anchor_shared_bar_phase()
+        return json.dumps({"ok": True, "mode": str(mode).strip().lower()}), 200, {
+            "Content-Type": "application/json"
+        }
+    except Exception as e:
+        return json.dumps({"error": str(e)}), 500, {"Content-Type": "application/json"}
+
+
+@controller.post("/stop")
+@with_session
+async def stop_sequence_playback(request, session):
+    """Stop server-driven zone sequence playback."""
+    _ = request
+    try:
+        from util.sequence_playback import stop_playback
+
+        await stop_playback(clear_devices=True)
+        return json.dumps({"ok": True}), 200, {"Content-Type": "application/json"}
+    except Exception as e:
+        return json.dumps({"error": str(e)}), 500, {"Content-Type": "application/json"}
+
+
+@controller.post("/<id>/play")
+@with_session
+async def play_sequence(request, session, id):
+    """Start server-driven playback for a sequence in a zone (body: {\"zone_id\": \"...\"})."""
+    if not get_current_sender():
+        return (
+            json.dumps({"error": "Transport not configured"}),
+            503,
+            {"Content-Type": "application/json"},
+        )
+    current_profile_id = get_current_profile_id(session)
+    if not current_profile_id:
+        return (
+            json.dumps({"error": "No profile available"}),
+            404,
+            {"Content-Type": "application/json"},
+        )
+    try:
+        data = request.json or {}
+    except Exception:
+        data = {}
+    if not isinstance(data, dict):
+        data = {}
+    zone_id = data.get("zone_id") or data.get("zoneId")
+    if zone_id is None or str(zone_id).strip() == "":
+        return (
+            json.dumps({"error": "zone_id required"}),
+            400,
+            {"Content-Type": "application/json"},
+        )
+    zone_id = str(zone_id).strip()
+    try:
+        from util.sequence_playback import start
+
+        play_opts = data if isinstance(data, dict) else None
+        await start(zone_id, str(id), str(current_profile_id), play_opts)
+        from util.sequence_playback import pending_play_status
+
+        body = {"ok": True, **pending_play_status()}
+        return json.dumps(body), 200, {"Content-Type": "application/json"}
+    except ValueError as e:
+        return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
+    except RuntimeError as e:
+        return json.dumps({"error": str(e)}), 503, {"Content-Type": "application/json"}
+    except Exception as e:
+        return json.dumps({"error": str(e)}), 500, {"Content-Type": "application/json"}

src/controllers/settings.py

@@ -1,9 +1,13 @@
-from microdot import Microdot, send_file
+import asyncio
-from settings import Settings
 import json
 
+from microdot import Microdot, send_file
+
+from models import wifi_ws_clients
+from settings import get_settings
+
 controller = Microdot()
-settings = Settings()
+settings = get_settings()
 
 @controller.get('')
 async def get_settings(request):
@@ -63,17 +67,54 @@ def _validate_wifi_channel(value):
     return ch
 
 
-@controller.put('/settings')
+def _validate_global_brightness(value):
+    """Return int 0–255 or raise ValueError."""
+    v = int(value)
+    if v < 0 or v > 255:
+        raise ValueError("global_brightness must be between 0 and 255")
+    return v
+
+
+def _validate_sequence_switch_wait(value):
+    s = str(value).strip().lower()
+    if s not in ("beat", "downbeat"):
+        raise ValueError("sequence_switch_wait must be beat or downbeat")
+    return s
+
+
+def _validate_audio_beat_phase_ms(value):
+    v = int(value)
+    if v < 0 or v > 500:
+        raise ValueError("audio_beat_phase_ms must be between 0 and 500")
+    return v
+
+
+@controller.put('')
 async def update_settings(request):
     """Update general settings."""
     try:
         data = request.json
+        global_brightness_changed = False
         for key, value in data.items():
             if key == 'wifi_channel' and value is not None:
                 settings[key] = _validate_wifi_channel(value)
+            elif key == 'global_brightness' and value is not None:
+                settings[key] = _validate_global_brightness(value)
+                global_brightness_changed = True
+            elif key == 'sequence_switch_wait' and value is not None:
+                settings[key] = _validate_sequence_switch_wait(value)
+            elif key == 'audio_beat_phase_ms' and value is not None:
+                settings[key] = _validate_audio_beat_phase_ms(value)
             else:
                 settings[key] = value
         settings.save()
+        if global_brightness_changed:
+            try:
+                asyncio.get_running_loop().create_task(
+                    wifi_ws_clients.broadcast_global_brightness_to_tcp_drivers()
+                )
+            except RuntimeError:
+                pass
         return json.dumps({"message": "Settings updated successfully"}), 200, {'Content-Type': 'application/json'}
     except ValueError as e:
         return json.dumps({"error": str(e)}), 400

src/controllers/tab.py

@@ -1,346 +0,0 @@
-from microdot import Microdot, send_file
-from microdot.session import with_session
-from models.tab import Tab
-from models.profile import Profile
-import json
-import os
-import time
-
-controller = Microdot()
-tabs = Tab()
-profiles = Profile()
-
-def get_current_profile_id(session=None):
-    """Get the current active profile ID from session or fallback to first."""
-    profile_list = profiles.list()
-    session_profile = None
-    if session is not None:
-        session_profile = session.get('current_profile')
-    if session_profile and session_profile in profile_list:
-        return session_profile
-    if profile_list:
-        return profile_list[0]
-    return None
-
-def get_profile_tab_order(profile_id):
-    """Get the tab order for a profile."""
-    if not profile_id:
-        return []
-    profile = profiles.read(profile_id)
-    if profile:
-        # Support both "tab_order" (old) and "tabs" (new) format
-        return profile.get("tabs", profile.get("tab_order", []))
-    return []
-
-def get_current_tab_id(request, session=None):
-    """Get the current tab ID from cookie."""
-    # Read from cookie first
-    current_tab = request.cookies.get('current_tab')
-    if current_tab:
-        return current_tab
-    
-    # Fallback to first tab in current profile
-    profile_id = get_current_profile_id(session)
-    if profile_id:
-        profile = profiles.read(profile_id)
-        if profile:
-            # Support both "tabs" (new) and "tab_order" (old) format
-            tabs_list = profile.get("tabs", profile.get("tab_order", []))
-            if tabs_list:
-                return tabs_list[0]
-    return None
-
-def _render_tabs_list_fragment(request, session):
-    """Helper function to render tabs list HTML fragment."""
-    profile_id = get_current_profile_id(session)
-    # #region agent log
-    try:
-        os.makedirs('/home/pi/led-controller/.cursor', exist_ok=True)
-        with open('/home/pi/led-controller/.cursor/debug.log', 'a') as _log:
-            _log.write(json.dumps({
-                "sessionId": "debug-session",
-                "runId": "tabs-pre-fix",
-                "hypothesisId": "H1",
-                "location": "src/controllers/tab.py:_render_tabs_list_fragment",
-                "message": "tabs list fragment",
-                "data": {
-                    "profile_id": profile_id,
-                    "profile_count": len(profiles.list())
-                },
-                "timestamp": int(time.time() * 1000)
-            }) + "\n")
-    except Exception:
-        pass
-    # #endregion
-    if not profile_id:
-        return '<div class="tabs-list">No profile selected</div>', 200, {'Content-Type': 'text/html'}
-    
-    tab_order = get_profile_tab_order(profile_id)
-    current_tab_id = get_current_tab_id(request, session)
-    
-    html = '<div class="tabs-list">'
-    for tab_id in tab_order:
-        tab_data = tabs.read(tab_id)
-        if tab_data:
-            active_class = 'active' if str(tab_id) == str(current_tab_id) else ''
-            tab_name = tab_data.get('name', 'Tab ' + str(tab_id))
-            html += (
-                '<button class="tab-button ' + active_class + '" '
-                'hx-get="/tabs/' + str(tab_id) + '/content-fragment" '
-                'hx-target="#tab-content" '
-                'hx-swap="innerHTML" '
-                'hx-push-url="true" '
-                'hx-trigger="click" '
-                'onclick="document.querySelectorAll(\'.tab-button\').forEach(b => b.classList.remove(\'active\')); this.classList.add(\'active\');">'
-                + tab_name +
-                '</button>'
-            )
-    html += '</div>'
-    return html, 200, {'Content-Type': 'text/html'}
-
-def _render_tab_content_fragment(request, session, id):
-    """Helper function to render tab content HTML fragment."""
-    # Handle 'current' as a special case
-    if id == 'current':
-        current_tab_id = get_current_tab_id(request, session)
-        if not current_tab_id:
-            accept_header = request.headers.get('Accept', '')
-            wants_html = 'text/html' in accept_header
-            if wants_html:
-                return '<div class="error">No current tab set</div>', 404, {'Content-Type': 'text/html'}
-            return json.dumps({"error": "No current tab set"}), 404
-        id = current_tab_id
-    
-    tab = tabs.read(id)
-    if not tab:
-        return '<div>Tab not found</div>', 404, {'Content-Type': 'text/html'}
-    
-    # Set this tab as the current tab in session
-    session['current_tab'] = str(id)
-    session.save()
-
-    # If this is a direct page load (not HTMX), return full UI so CSS loads.
-    if not request.headers.get('HX-Request'):
-        return send_file('templates/index.html')
-    
-    tab_name = tab.get('name', 'Tab ' + str(id))
-    
-    html = (
-        '<div class="presets-section" data-tab-id="' + str(id) + '">'
-        '<h3>Presets</h3>'
-        '<div class="profiles-actions" style="margin-bottom: 1rem;"></div>'
-        '<div id="presets-list-tab" class="presets-list">'
-        '<!-- Presets will be loaded here -->'
-        '</div>'
-        '</div>'
-    )
-    return html, 200, {'Content-Type': 'text/html'}
-
-@controller.get('')
-@with_session
-async def list_tabs(request, session):
-    """List all tabs with current tab info."""
-    profile_id = get_current_profile_id(session)
-    current_tab_id = get_current_tab_id(request, session)
-    
-    # Get tab order for current profile
-    tab_order = get_profile_tab_order(profile_id) if profile_id else []
-    
-    # Build tabs list with metadata
-    tabs_data = {}
-    for tab_id in tabs.list():
-        tab_data = tabs.read(tab_id)
-        if tab_data:
-            tabs_data[tab_id] = tab_data
-    
-    return json.dumps({
-        "tabs": tabs_data,
-        "tab_order": tab_order,
-        "current_tab_id": current_tab_id,
-        "profile_id": profile_id
-    }), 200, {'Content-Type': 'application/json'}
-
-# Get current tab - returns JSON with tab data and content info
-@controller.get('/current')
-@with_session
-async def get_current_tab(request, session):
-    """Get the current tab from session."""
-    current_tab_id = get_current_tab_id(request, session)
-    if not current_tab_id:
-        return json.dumps({"error": "No current tab set", "tab": None, "tab_id": None}), 404
-    
-    tab = tabs.read(current_tab_id)
-    if tab:
-        return json.dumps({
-            "tab": tab,
-            "tab_id": current_tab_id
-        }), 200, {'Content-Type': 'application/json'}
-    return json.dumps({"error": "Tab not found", "tab": None, "tab_id": None}), 404
-
-@controller.post('/<id>/set-current')
-async def set_current_tab(request, id):
-    """Set a tab as the current tab in cookie."""
-    tab = tabs.read(id)
-    if not tab:
-        return json.dumps({"error": "Tab not found"}), 404
-    
-    # Set cookie with current tab
-    response_data = json.dumps({"message": "Current tab set", "tab_id": id})
-    response = response_data, 200, {
-        'Content-Type': 'application/json',
-        'Set-Cookie': f'current_tab={id}; Path=/; Max-Age=31536000'  # 1 year expiry
-    }
-    return response
-
-@controller.get('/<id>')
-async def get_tab(request, id):
-    """Get a specific tab by ID."""
-    tab = tabs.read(id)
-    if tab:
-        return json.dumps(tab), 200, {'Content-Type': 'application/json'}
-    return json.dumps({"error": "Tab not found"}), 404
-
-@controller.put('/<id>')
-async def update_tab(request, id):
-    """Update an existing tab."""
-    try:
-        data = request.json
-        if tabs.update(id, data):
-            return json.dumps(tabs.read(id)), 200, {'Content-Type': 'application/json'}
-        return json.dumps({"error": "Tab not found"}), 404
-    except Exception as e:
-        return json.dumps({"error": str(e)}), 400
-
-@controller.delete('/<id>')
-@with_session
-async def delete_tab(request, session, id):
-    """Delete a tab."""
-    try:
-        # Handle 'current' tab ID
-        if id == 'current':
-            current_tab_id = get_current_tab_id(request, session)
-            if current_tab_id:
-                id = current_tab_id
-            else:
-                return json.dumps({"error": "No current tab to delete"}), 404
-        
-        if tabs.delete(id):
-            # Remove from profile's tabs
-            profile_id = get_current_profile_id(session)
-            if profile_id:
-                profile = profiles.read(profile_id)
-                if profile:
-                    # Support both "tabs" (new) and "tab_order" (old) format
-                    tabs_list = profile.get('tabs', profile.get('tab_order', []))
-                    if id in tabs_list:
-                        tabs_list.remove(id)
-                        profile['tabs'] = tabs_list
-                        # Remove old tab_order if it exists
-                        if 'tab_order' in profile:
-                            del profile['tab_order']
-                        profiles.update(profile_id, profile)
-            
-            # Clear cookie if the deleted tab was the current tab
-            current_tab_id = get_current_tab_id(request, session)
-            if current_tab_id == id:
-                response_data = json.dumps({"message": "Tab deleted successfully"})
-                response = response_data, 200, {
-                    'Content-Type': 'application/json',
-                    'Set-Cookie': 'current_tab=; Path=/; Max-Age=0'  # Clear cookie
-                }
-                return response
-            
-            return json.dumps({"message": "Tab deleted successfully"}), 200, {'Content-Type': 'application/json'}
-        
-        return json.dumps({"error": "Tab not found"}), 404
-    except Exception as e:
-        import sys
-        try:
-            sys.print_exception(e)
-        except:
-            pass
-        return json.dumps({"error": str(e)}), 500, {'Content-Type': 'application/json'}
-
-@controller.post('')
-@with_session
-async def create_tab(request, session):
-    """Create a new tab."""
-    try:
-        # Handle form data or JSON
-        if request.form:
-            name = request.form.get('name', '').strip()
-            ids_str = request.form.get('ids', '1').strip()
-            names = [id.strip() for id in ids_str.split(',') if id.strip()]
-            preset_ids = None
-        else:
-            data = request.json or {}
-            name = data.get("name", "")
-            names = data.get("names", None)
-            preset_ids = data.get("presets", None)
-        
-        if not name:
-            return json.dumps({"error": "Tab name cannot be empty"}), 400
-        
-        tab_id = tabs.create(name, names, preset_ids)
-        
-        # Add to current profile's tabs
-        profile_id = get_current_profile_id(session)
-        if profile_id:
-            profile = profiles.read(profile_id)
-            if profile:
-                # Support both "tabs" (new) and "tab_order" (old) format
-                tabs_list = profile.get('tabs', profile.get('tab_order', []))
-                if tab_id not in tabs_list:
-                    tabs_list.append(tab_id)
-                    profile['tabs'] = tabs_list
-                    # Remove old tab_order if it exists
-                    if 'tab_order' in profile:
-                        del profile['tab_order']
-                    profiles.update(profile_id, profile)
-        
-        # Return JSON response with tab ID
-        tab_data = tabs.read(tab_id)
-        return json.dumps({tab_id: tab_data}), 201, {'Content-Type': 'application/json'}
-    except Exception as e:
-        import sys
-        sys.print_exception(e)
-        return json.dumps({"error": str(e)}), 400
-
-@controller.post('/<id>/clone')
-@with_session
-async def clone_tab(request, session, id):
-    """Clone an existing tab and add it to the current profile."""
-    try:
-        source = tabs.read(id)
-        if not source:
-            return json.dumps({"error": "Tab not found"}), 404
-
-        data = request.json or {}
-        source_name = source.get("name") or f"Tab {id}"
-        new_name = data.get("name") or f"{source_name} Copy"
-        clone_id = tabs.create(new_name, source.get("names"), source.get("presets"))
-        extra = {k: v for k, v in source.items() if k not in ("name", "names", "presets")}
-        if extra:
-            tabs.update(clone_id, extra)
-
-        profile_id = get_current_profile_id(session)
-        if profile_id:
-            profile = profiles.read(profile_id)
-            if profile:
-                tabs_list = profile.get('tabs', profile.get('tab_order', []))
-                if clone_id not in tabs_list:
-                    tabs_list.append(clone_id)
-                    profile['tabs'] = tabs_list
-                    if 'tab_order' in profile:
-                        del profile['tab_order']
-                    profiles.update(profile_id, profile)
-
-        tab_data = tabs.read(clone_id)
-        return json.dumps({clone_id: tab_data}), 201, {'Content-Type': 'application/json'}
-    except Exception as e:
-        import sys
-        try:
-            sys.print_exception(e)
-        except:
-            pass
-        return json.dumps({"error": str(e)}), 400