feat(espnow): groups filter and v1 select list on driver

Apply group membership on RX, accept select as [preset_id, step?],
and fix identify/off plus presets layout for manual beat stepping.

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

tests/patterns/blink.py

@@ -1,35 +1,74 @@
 #!/usr/bin/env python3
+"""Standalone blink pattern demo (WDT-fed tick loop).
+
+Run on device::
+
+    mpremote connect <port> run tests/patterns/blink.py
+"""
+import sys
 import utime
-from machine import WDT
-from settings import Settings
-from presets import Presets, run_tick
+
+
+def _bootstrap_import_path():
+    """Find ``settings`` / ``presets`` on device or when run via mpremote."""
+    try:
+        import uos as os
+    except ImportError:
+        import os
+
+    candidates = []
+    try:
+        here = __file__.rsplit("/", 1)[0]
+        if here:
+            candidates.append(here)
+            tests = here.rsplit("/", 1)[0]
+            if tests:
+                candidates.append(tests)
+                root = tests.rsplit("/", 1)[0]
+                if root:
+                    candidates.append(root)
+                    candidates.append(root + "/src")
+    except NameError:
+        pass
+    for p in (".", "..", "/", "src", "/src"):
+        candidates.append(p)
+    for p in candidates:
+        if p and p not in sys.path:
+            sys.path.insert(0, p)
+
+
+_bootstrap_import_path()
+
+from machine import WDT  # noqa: E402
+from settings import Settings  # noqa: E402
+from presets import Presets  # noqa: E402
+
+
+def _run_ms(presets, wdt, duration_ms, sleep_ms=10):
+    start = utime.ticks_ms()
+    while utime.ticks_diff(utime.ticks_ms(), start) < duration_ms:
+        wdt.feed()
+        presets.tick()
+        utime.sleep_ms(sleep_ms)
 
 
 def main():
-    s = Settings()
-    pin = s.get("led_pin", 10)
-    num = s.get("num_leds", 30)
-
-    p = Presets(pin=pin, num_leds=num)
+    settings = Settings()
+    presets = Presets(settings.get("led_pin", 10), settings.get("num_leds", 30))
     wdt = WDT(timeout=10000)
-    
-    # Create blink preset (use short-key fields: p=pattern, b=brightness, d=delay, c=colors)
-    p.edit("test_blink", {
-        "p": "blink",
-        "b": 64,
-        "d": 200,
-        "c": [(255, 0, 0), (0, 0, 255)],
-    })
-    p.select("test_blink")
 
-    start = utime.ticks_ms()
-    while utime.ticks_diff(utime.ticks_ms(), start) < 1500:
-        wdt.feed()
-        run_tick(p)
-        utime.sleep_ms(10)
+    presets.edit(
+        "test_blink",
+        {
+            "p": "blink",
+            "b": 64,
+            "d": 200,
+            "c": [(255, 0, 0), (0, 0, 255)],
+        },
+    )
+    presets.select("test_blink")
+    _run_ms(presets, wdt, 1500)
 
 
 if __name__ == "__main__":
     main()
-
-