fix(camera): attach the WebRTC provider once the stream source is known - #38

Follow-up to #37. The go2rtc registration in v0.8.0 works — confirmed in the field, all three H.265 channels present with both producers:

streams:
  xmeye_…_ch0_camera:
    - rtsp://192.168.16.10:554/…&channel=1&stream=0.sdp
    - ffmpeg:xmeye_…_ch0_camera#video=h264#audio=opus

But nothing consumed them. Companion played H.265 directly, Chrome fell back to the still-image proxy at ~1 fps, and both took a few seconds to start — the signature of the HLS path, not WebRTC.

Cause

Camera.async_refresh_providers() only runs from async_internal_added_to_hass(), when a provider registers/unregisters, or when the CameraEntityFeature.STREAM bit flips. At that first moment:

• XMEyeCoordinator.async_setup() schedules _connection_loop() as a background task and returns immediately, so coordinator.connected is still False;
• stream_source() had if not self._coordinator.connected: return None;
• async_get_supported_provider() gets None and returns None → _webrtc_provider stays None → camera_capabilities is {HLS} for the life of the entity.

The after_dependencies: ["go2rtc"] added in #37 made it worse: previously, if the go2rtc integration set up after the cameras, its async_register_webrtc_provider() fired _async_refresh_providers(hass) and gave a second chance to attach.

Fix

1. Drop the connected guard from stream_source() — RTSP does not go through the DVRIP alarm socket. This was already listed as an open item in docs/STREAM_INVESTIGATION.md §7.
2. await self.async_refresh_providers() at the end of _probe_urls(), once the real URL and codec are known.
3. Re-evaluate providers when privacy is toggled — privacy nulls stream_source(), and HA does not re-check that on its own.

Verifying

With the HA frontend open, in the browser console:

await document.querySelector("home-assistant").hass
  .callWS({type: "camera/capabilities", entity_id: "camera.<your_camera>"})

Before: {frontend_stream_types: ["hls"]}. After: ["hls", "webrtc"].

Then the live view should start near-instantly in Chrome, and /api/streams should show a consumer on xmeye_…_camera plus the ffmpeg producer dialled.

🤖 Generated with Claude Code

https://claude.ai/code/session_011UpaDKeLbpQB7EapQBpKoJ