Improve ESP-NOW messaging and tab defaults

- Use shared ESPNOW payload limit and message splitting
- Expand default tab names and add flash/build artifacts.

Made-with: Cursor

src/controllers/preset.py

@@ -3,7 +3,7 @@ from microdot.session import with_session
 from models.preset import Preset
 from models.profile import Profile
 from models.espnow import ESPNow
-from util.espnow_message import build_message, build_preset_dict
+from util.espnow_message import build_message, build_preset_dict, ESPNOW_MAX_PAYLOAD_BYTES
 import asyncio
 import json
 
@@ -161,7 +161,7 @@ async def send_presets(request, session):
         msg = build_message(presets=chunk_presets, save=save_flag, default=default_id)
         await esp.send(msg)
 
-    MAX_BYTES = 240
+    MAX_BYTES = ESPNOW_MAX_PAYLOAD_BYTES
     SEND_DELAY_MS = 100
     entries = list(presets_by_name.items())
     total_presets = len(entries)