Add snapshot-first Frigate camera wall

README.md

@@ -4,6 +4,8 @@ visionLabs Roku is a private Roku app scaffold for viewing home security cameras
 
 The current starter path is Frigate-backed, with Roku reading a static inventory of cameras that are managed by Frigate instead of embedding raw camera credentials in the app.
 
+The first playback strategy is `snapshotFirst`, which lets the Roku app render a useful camera wall before the direct live stream endpoint shape is finalized.
+
 ## Product direction
 
 - Brand family follows the user's existing `Labs` naming pattern.
@@ -36,6 +38,7 @@ Roku is not a great target for raw RTSP feeds. With Frigate in the middle, the c
 
 1. Set the real Frigate base URL in `config/cameras.json`
 2. Map the four starter cameras in Frigate using the same IDs as the Roku config
-3. Load config into the UI
-4. Render a static multi-camera grid
-5. Add edit mode and persistence strategy
+3. Verify that Frigate snapshots load at `/api/<camera>/latest.jpg`
+4. Render the snapshot wall on Roku
+5. Choose the direct live stream path for full playback
+6. Add edit mode and persistence strategy