Session ses_38a1f04f

Unit chromecast-avr-bridge.service could not be found.


[assistant] [tool:bash] 

[assistant] No — neither the systemd service nor the script process exists. The service was designed but never actually deployed.

To get it running you need to:

1. **Create the systemd service file** at `/etc/systemd/system/chromecast-avr-bridge.service`
2. **Set up a Python venv** with `pychromecast` installed
3. **Enable + start** the service

Want me to do that now? I'd need to know where the venv should live (e.g. `/home/byk/Code/.venv` or a dedicated one).

[user] I thought we'd be using uv run to avoid venv etc? 

[assistant] You're right. Let me check the script has a proper uv-compatible header and the dependencies are declared.

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>1: #!/usr/bin/env python3
2: """
3: Chromecast-to-AVR Bridge
4: ~~~~~~~~~~~~~~~~~~~~~~~~~
5: 
6: Monitors a Google Chromecast Audio and automatically controls a
7: Harman Kardon AVR 265 when streaming starts/stops.
8: 
9: When streaming starts:
10:   - Probe AVR by sending VOL UP and checking for AVRACK response
11:   - If AVR is already on: do nothing
12:   - If AVR is off:
13:       * IR blast "Media Server" input via T-PicoC3 HTTP endpoint
14:       * RS-232: POWER ON
15:       * Wait for boot
16:       * RS-232: 11× VOL UP (brings volume from boot default 40 → 50)
17: 
18: When streaming stops (after turn_off_delay seconds):
19:   - RS-232: POWER OFF (always, regardless of initial state)
20:   - IR blast "TV" input so next manual power-on returns to TV
21: 
22: RS-232 setup: UGREEN USB-to-serial (PL2303GL) plugged into the Asus
23: router's USB port. ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>30: 
31: Configuration: config.yaml (same directory as this script, or pass path
32: as first CLI argument).
33: 
34: Dependencies:
35:   pip install pychromecast pyyaml
36: """
37: 
38: from __future__ import annotations
39: 
40: import logging
41: import os
42: import pathlib
43: import select
44: import signal
45: import subprocess
46: import sys
47: import threading
48: import time
49: import urllib.request
50: 
51: import pychromecast
52: import yaml
53: 
54: log = logging.getLogger("bridge")
55: 
56: # ---------------------------------------------------------------------------
57: # RS-232 AVR controller via SSH subprocess
58: # ---------------------------------------------------------------------------
59: 
60: 
61: class HkAvrSerial:
62:     """
63:     Control Harman Kardon AVR 265 via RS-232 over SSH. ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] The LSP error is just because `pychromecast` isn't installed in the local environment — that's fine, `uv run` will handle it. Now let's also update the docstring to reflect `uv run` instead of `pip install`:

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] Now let's verify `uv run` works:

Downloading zeroconf (2.0MiB)
 Downloaded zeroconf
Installed 11 packages in 6ms
Traceback (most recent call last):
  File "/home/byk/Code/chromecast_avr_bridge.py", line 549, in <module>
    main()
    ~~~~^^
  File "/home/byk/Code/chromecast_avr_bridge.py", line 497, in main
    cfg = _load_config(config_path)
  File "/home/byk/Code/chromecast_avr_bridge.py", line 486, in _load_config
    with open(path) as f:
         ~~~~^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: '--help'


[assistant] Dependencies resolve fine. The `--help` is being treated as a config path (script doesn't have argument parsing for `--help`). That's expected — the important thing is `uv run` downloaded and installed all 11 packages successfully.

Now let's create the systemd service using `uv run`:

/home/byk/.local/bin/uv


[assistant] [tool:write] Wrote file successfully.

LSP errors detected in other files:
<diagnostics file="/home/byk/Code/t-picoc3-ir-blaster/esp32c3/src/main.cpp">
ERROR [36:10] 'Arduino.h' file not found
ERROR [51:7] Unknown type name 'uint8_t' (fix available)
ERROR [55:7] Unknown type name 'uint8_t' (fix available)
ERROR [63:7] Unknown type name 'uint8_t' (fix available)
ERROR [64:7] Unknown type name 'uint8_t' (fix available)
ERROR [65:7] Unknown type name 'uint8_t' (fix available)
ERROR [66:7] Unknown type name 'uint8_t' (fix available)
ERROR [70:7] Unknown type name 'uint16_t' (fix available)
ERROR [76:1] Unknown type name 'IRsend'
ERROR [77:1] Unknown type name 'WebServer'
ERROR [79:1] Unknown type name 'String'
ERROR [80:1] Unknown type name 'uint32_t'
ERROR [81:1] Unknown type name 'uint32_t'
ERROR [87:25] Unknown type name 'String'
ERROR [89:5] Use of undeclared identifier 'Serial1'
ERROR [92:32] Unknown type name 'uint8_t' (fix available)
ERROR ...

Failed to connect to bus: No medium found


[assistant] [tool:bash] 
UID=1000
GID=1000
Name=byk
Timestamp=Sat 2026-02-14 09:08:33 UTC
TimestampMonotonic=47033934525


[assistant] No `DBUS_SESSION_BUS_ADDRESS` — we're likely running in a non-login shell (e.g. inside OpenCode). Try with `XDG_RUNTIME_DIR` set:

Created symlink /home/byk/.config/systemd/user/default.target.wants/chromecast-avr-bridge.service → /home/byk/.config/systemd/user/chromecast-avr-bridge.service.


[assistant] [tool:bash] ● chromecast-avr-bridge.service - Chromecast AVR Bridge
     Loaded: loaded (/home/byk/.config/systemd/user/chromecast-avr-bridge.service; enabled; preset: enabled)
     Active: active (running) since Thu 2026-02-19 11:21:31 UTC; 4s ago
   Main PID: 1023739 (uv)
      Tasks: 8 (limit: 9294)
     Memory: 37.4M (peak: 39.6M)
        CPU: 491ms
     CGroup: /user.slice/user-1000.slice/user@1000.service/app.slice/chromecast-avr-bridge.service
             ├─1023739 /home/byk/.local/bin/uv run /home/byk/Code/chromecast_avr_bridge.py
             └─1023743 /home/byk/.cache/uv/environments-v2/chromecast-avr-bridge-00b80b4b3a281385/bin/python3 /home/byk/Code/chromecast_avr_bridge.py

Feb 19 11:21:32 labs uv[1023743]: 2026-02-19 11:21:32 [INFO] bridge: Chromecast AVR Bridge starting
Feb 19 11:21:32 labs ...

Feb 19 11:55:24 labs uv[1023743]: 2026-02-19 11:55:24 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 11:55:24 labs uv[1023743]: 2026-02-19 11:55:24 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:00:00 labs uv[1023743]: 2026-02-19 12:00:00 [INFO] bridge: Media status: player_state=BUFFERING
Feb 19 12:00:00 labs uv[1023743]: 2026-02-19 12:00:00 [INFO] bridge: Media status: player_state=BUFFERING
Feb 19 12:00:00 labs uv[1023743]: 2026-02-19 12:00:00 [INFO] bridge: Media status: player_state=BUFFERING
Feb 19 12:00:00 labs uv[1023743]: 2026-02-19 12:00:00 [INFO] bridge: Media status: player_state=BUFFERING
Feb 19 12:00:00 labs uv[1023743]: 2026-02-19 12:00:00 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:00:01 labs uv[1023743]: 2026-02-19 12:00:01 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:04:11 labs uv[1023743]: 2026-02-19 12:04:11 [INFO] bridge: Media status: player_state=BUFFERING
Feb 19 12:04:11 labs uv[1023743]: 2026-02-19 12:04:11 ...

307:_ACTIVE_STATES = {"PLAYING", "BUFFERING"}
308:_IDLE_STATES = {"IDLE", "UNKNOWN"}
366:            self._on_streaming_stopped()
372:            self._on_streaming_stopped()
374:    def new_media_status(self, status):
375:        player_state = status.player_state if status else "UNKNOWN"
376:        log.info("Media status: player_state=%s", player_state)
377:        if player_state in _ACTIVE_STATES:
378:            self._on_streaming_started()
379:        elif player_state in _IDLE_STATES:
380:            self._on_streaming_stopped()
385:    def _on_streaming_started(self):
403:    def _on_streaming_stopped(self):
461:        if mc.status and mc.status.player_state in _ACTIVE_STATES:
463:            self._on_streaming_started()


[assistant] [tool:read] <path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>385:     def _on_streaming_started(self):
386:         with self._lock:
387:             self._cancel_turn_off_timer()
388:             if ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>455:         self._cast.register_status_listener(self)
456:         self._cast.media_controller.register_status_listener(self)
457:         log.info("Listening for Chromecast state changes...")
458: 
459:         # Handle case where Chromecast is already streaming on connect
460:         mc = self._cast.media_controller
461:         if mc.status and mc.status.player_state in _ACTIVE_STATES:
462:             log.info("Chromecast already streaming on connect")
463:             self._on_streaming_started()
464: 
465:         self._shutdown.wait()
466: 
467:     def stop(self):
468:         log.info("Shutting down...")
469:         self._shutdown.set()
470:         with self._lock:
471:             self._cancel_turn_off_timer()
472:         if self._browser:
473:             self._browser.stop_discovery()
474:         if self._cast:

(File has more lines. ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] Wait — this would spawn `_handle_start` on every single PLAYING/BUFFERING event, which fires many times per minute. That would hammer the AVR with SSH probes constantly. Need a smarter approach: only re-check the AVR if we haven't already confirmed it's on this session.

The real fix is to track `_avr_confirmed_on` state and reset it when streaming stops:

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>330:         self._turn_off_delay = turn_off_delay
331: 
332:         self._cast = None
333:         self._browser = None
334:         self._streaming = False
335:         self._turn_off_timer = None
336:         self._shutdown = threading.Event()
337:         self._lock = threading.Lock()
338: 
339:     # -- Chromecast discovery ------------------------------------------------
340: 
341:     def _discover_chromecast(self) -> bool:
342:         log.info("Discovering Chromecast '%s'...", self._chromecast_name)
343:         try:
344:             chromecasts, browser = pychromecast.get_listed_chromecasts(
345:                 friendly_names=[self._chromecast_name]
346:             )
347:             self._browser = browser
348:             if not chromecasts:
349:                 log.warning("Chromecast '%s' not found", self._chromecast_name)
350:                 browser.stop_discovery()
351:                 ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] [tool:edit] Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] Now reset `_avr_started` when streaming stops:

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] But this still doesn't solve the speaker group case where the stream **never went through IDLE** between sessions. The issue is that when you cast to a speaker group while already streaming solo, `_avr_started` is `True` from the previous session and never gets reset.

The real problem: the Chromecast went from PLAYING (solo) directly to PLAYING (group) with no IDLE/UNKNOWN in between. So `_on_streaming_stopped` never fired, `_avr_started` stayed `True`, and the new stream's power-on was skipped.

There's no clean solution to this with purely reactive state. The only reliable approach is: **if the AVR is off and we're streaming, always power it on** — i.e. periodically re-check the AVR while streaming. Let me add a watchdog:

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>440:     # -- Main loop -----------------------------------------------------------
441: 
442:     def run(self):
443:         log.info("Chromecast AVR Bridge starting")
444:         log.info("  Chromecast:     %s", self._chromecast_name)
445:         log.info("  IR blaster:     %s", self._ir._host or "disabled")
446:         log.info("  Turn-off delay: %ds", self._turn_off_delay)
447: 
448:         while not self._shutdown.is_set():
449:             if self._discover_chromecast():
450:                 break
451:             log.info("Retrying discovery in %ds...", self._chromecast_retry_delay)
452:             self._shutdown.wait(self._chromecast_retry_delay)
453: 
454:         if self._shutdown.is_set():
455:             return
456: 
457:         assert self._cast is not None
458:         self._cast.register_status_listener(self)
459:         ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] [tool:edit] Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] [tool:edit] Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] But this still has the same root problem — `already_streaming = True` means `_handle_start` never runs for the speaker group case. The real fix needs to handle the PLAYING→PLAYING (no IDLE) transition. ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] [tool:edit] Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[user] I'm confused because it was `PLAYING (solo)`, then I stopped and I did see the AVR turn off due to this and only after that I started the group streaming

[assistant] That changes things completely. So the sequence was:

1. PLAYING (solo) → stopped → AVR powered off ✓
2. Started group stream → PLAYING again → AVR did **not** power on ✗

That means `_streaming` was correctly reset to `False` when it stopped. So `_handle_start` should have been called. Let me look at the logs more carefully around when you started the group stream:

Feb 19 11:21:31 labs systemd[11972]: Started chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 11:21:32 labs uv[1023743]: 2026-02-19 11:21:32 [INFO] bridge: Loaded config from /home/byk/Code/config.yaml
Feb 19 11:21:32 labs uv[1023743]: 2026-02-19 11:21:32 [INFO] bridge: Chromecast AVR Bridge starting
Feb 19 11:21:32 labs uv[1023743]: 2026-02-19 11:21:32 [INFO] bridge:   Chromecast:     Home Theater
Feb 19 11:21:32 labs uv[1023743]: 2026-02-19 11:21:32 [INFO] bridge:   IR blaster:     http://192.168.50.55
Feb 19 11:21:32 labs uv[1023743]: 2026-02-19 11:21:32 [INFO] bridge:   Turn-off delay: 60s
Feb 19 11:21:32 labs uv[1023743]: 2026-02-19 11:21:32 [INFO] bridge: Discovering Chromecast 'Home Theater'...
Feb 19 11:21:32 labs uv[1023743]: 2026-02-19 11:21:32 [INFO] bridge: Connected to 'Home Theater' (192.168.50.54:8009)
Feb 19 11:21:32 labs uv[1023743]: 2026-02-19 11:21:32 [INFO] bridge: Listening for Chromecast state changes... ...

Feb 19 12:20:14 labs uv[1023743]: 2026-02-19 12:20:14 [INFO] bridge: Media status: player_state=BUFFERING
Feb 19 12:20:14 labs uv[1023743]: 2026-02-19 12:20:14 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:20:14 labs uv[1023743]: 2026-02-19 12:20:14 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:20:15 labs uv[1023743]: 2026-02-19 12:20:15 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:20:15 labs uv[1023743]: 2026-02-19 12:20:15 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:20:15 labs uv[1023743]: 2026-02-19 12:20:15 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:22:51 labs uv[1023743]: 2026-02-19 12:22:51 [INFO] bridge: Media status: player_state=PAUSED
Feb 19 12:23:03 labs uv[1023743]: 2026-02-19 12:23:03 [INFO] bridge: Media status: player_state=PAUSED
Feb 19 12:23:04 labs uv[1023743]: 2026-02-19 12:23:04 [INFO] bridge: Media status: player_state=UNKNOWN
Feb 19 12:23:04 labs uv[1023743]: 2026-02-19 12:23:04 [INFO] ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>363:     # -- Chromecast listener callbacks ---------------------------------------
364: 
365:     def new_cast_status(self, status):
366:         log.debug("Cast status: app_id=%s", status.app_id if status else None)
367:         if status is None or status.app_id is None:
368:             self._on_streaming_stopped()
369: 
370:     def new_connection_status(self, status):
371:         log.debug("Connection status: %s", status.status)
372:         if status.status == "LOST":
373:             log.warning("Chromecast connection lost")
374:             self._on_streaming_stopped()
375: 
376:     def new_media_status(self, status):
377:         player_state = status.player_state if status else "UNKNOWN"
378:         log.info("Media status: player_state=%s", player_state)
379:         if player_state in _ACTIVE_STATES:
380:             self._on_streaming_started()
381:         elif player_state in ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
ERROR [380:24] "media_controller" is not a known attribute of "None"
ERROR [381:29] "media_controller" is not a known attribute of "None"
</diagnostics>

[assistant] The LSP complains `self._cast` could be None — add a guard:

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] Now also revert the overly complex `_on_streaming_started` changes I made earlier (before we understood the real bug) back to something clean — the `_start_lock` and throttle logic isn't needed now that the real problem is reconnection:

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>395:         # PAUSED: keep AVR on, don't restart turn-off timer
396: 
397:     # -- Streaming state management -----------------------------------------
398: 
399:     # Minimum interval between AVR power-on checks while continuously streaming.
400:     # Prevents hammering the AVR with SSH probes on every BUFFERING/PLAYING event.
401:     _START_CHECK_INTERVAL = 120  # seconds
402: 
403:     def _on_streaming_started(self):
404:         with self._lock:
405:             self._cancel_turn_off_timer()
406:             already_streaming = self._streaming
407:             self._streaming = True
408:             now = time.monotonic()
409:             due_for_check = (now - self._last_start_check) >= self._START_CHECK_INTERVAL
410:             if not already_streaming or due_for_check:
411:                 self._last_start_check = now
412:                 should_start = True
413:             else:
414:        ...

Feb 19 12:29:55 labs systemd[11972]: chromecast-avr-bridge.service: Consumed 8.423s CPU time, 39.6M memory peak, 0B memory swap peak.
Feb 19 12:29:55 labs systemd[11972]: Started chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 12:29:55 labs uv[1036705]: 2026-02-19 12:29:55 [INFO] bridge: Loaded config from /home/byk/Code/config.yaml
Feb 19 12:29:55 labs uv[1036705]: 2026-02-19 12:29:55 [INFO] bridge: Chromecast AVR Bridge starting
Feb 19 12:29:55 labs uv[1036705]: 2026-02-19 12:29:55 [INFO] bridge:   Chromecast:     Home Theater
Feb 19 12:29:55 labs uv[1036705]: 2026-02-19 12:29:55 [INFO] bridge:   IR blaster:     http://192.168.50.55
Feb 19 12:29:55 labs uv[1036705]: 2026-02-19 12:29:55 [INFO] bridge:   Turn-off delay: 60s
Feb 19 12:29:55 labs uv[1036705]: 2026-02-19 12:29:55 [INFO] bridge: Discovering Chromecast 'Home Theater'...
Feb 19 12:29:55 labs uv[1036705]: 2026-02-19 12:29:55 [INFO] bridge: Connected to 'Home Theater' (192.168.50.54:8009)
Feb 19 12:29:55 labs ...

Unit chromecast-avr-bridge.service could not be found.


[assistant] [tool:bash] 

[assistant] No — neither the systemd service nor the script process exists. The service was designed but never actually deployed.

To get it running you need to:

1. **Create the systemd service file** at `/etc/systemd/system/chromecast-avr-bridge.service`
2. **Set up a Python venv** with `pychromecast` installed
3. **Enable + start** the service

Want me to do that now? I'd need to know where the venv should live (e.g. `/home/byk/Code/.venv` or a dedicated one).

[user] I thought we'd be using uv run to avoid venv etc? 

[assistant] You're right. Let me check the script has a proper uv-compatible header and the dependencies are declared.

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>1: #!/usr/bin/env python3
2: """
3: Chromecast-to-AVR Bridge
4: ~~~~~~~~~~~~~~~~~~~~~~~~~
5: 
6: Monitors a Google Chromecast Audio and automatically controls a
7: Harman Kardon AVR 265 when streaming starts/stops.
8: 
9: When streaming starts:
10:   - Probe AVR by sending VOL UP and checking for AVRACK response
11:   - If AVR is already on: do nothing
12:   - If AVR is off:
13:       * IR blast "Media Server" input via T-PicoC3 HTTP endpoint
14:       * RS-232: POWER ON
15:       * Wait for boot
16:       * RS-232: 11× VOL UP (brings volume from boot default 40 → 50)
17: 
18: When streaming stops (after turn_off_delay seconds):
19:   - RS-232: POWER OFF (always, regardless of initial state)
20:   - IR blast "TV" input so next manual power-on returns to TV
21: 
22: RS-232 setup: UGREEN USB-to-serial (PL2303GL) plugged into the Asus
23: router's USB port. ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>30: 
31: Configuration: config.yaml (same directory as this script, or pass path
32: as first CLI argument).
33: 
34: Dependencies:
35:   pip install pychromecast pyyaml
36: """
37: 
38: from __future__ import annotations
39: 
40: import logging
41: import os
42: import pathlib
43: import select
44: import signal
45: import subprocess
46: import sys
47: import threading
48: import time
49: import urllib.request
50: 
51: import pychromecast
52: import yaml
53: 
54: log = logging.getLogger("bridge")
55: 
56: # ---------------------------------------------------------------------------
57: # RS-232 AVR controller via SSH subprocess
58: # ---------------------------------------------------------------------------
59: 
60: 
61: class HkAvrSerial:
62:     """
63:     Control Harman Kardon AVR 265 via RS-232 over SSH. ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] The LSP error is just because `pychromecast` isn't installed in the local environment — that's fine, `uv run` will handle it. Now let's also update the docstring to reflect `uv run` instead of `pip install`:

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] Now let's verify `uv run` works:

Downloading zeroconf (2.0MiB)
 Downloaded zeroconf
Installed 11 packages in 6ms
Traceback (most recent call last):
  File "/home/byk/Code/chromecast_avr_bridge.py", line 549, in <module>
    main()
    ~~~~^^
  File "/home/byk/Code/chromecast_avr_bridge.py", line 497, in main
    cfg = _load_config(config_path)
  File "/home/byk/Code/chromecast_avr_bridge.py", line 486, in _load_config
    with open(path) as f:
         ~~~~^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: '--help'


[assistant] Dependencies resolve fine. The `--help` is being treated as a config path (script doesn't have argument parsing for `--help`). That's expected — the important thing is `uv run` downloaded and installed all 11 packages successfully.

Now let's create the systemd service using `uv run`:

/home/byk/.local/bin/uv


[assistant] [tool:write] Wrote file successfully.

LSP errors detected in other files:
<diagnostics file="/home/byk/Code/t-picoc3-ir-blaster/esp32c3/src/main.cpp">
ERROR [36:10] 'Arduino.h' file not found
ERROR [51:7] Unknown type name 'uint8_t' (fix available)
ERROR [55:7] Unknown type name 'uint8_t' (fix available)
ERROR [63:7] Unknown type name 'uint8_t' (fix available)
ERROR [64:7] Unknown type name 'uint8_t' (fix available)
ERROR [65:7] Unknown type name 'uint8_t' (fix available)
ERROR [66:7] Unknown type name 'uint8_t' (fix available)
ERROR [70:7] Unknown type name 'uint16_t' (fix available)
ERROR [76:1] Unknown type name 'IRsend'
ERROR [77:1] Unknown type name 'WebServer'
ERROR [79:1] Unknown type name 'String'
ERROR [80:1] Unknown type name 'uint32_t'
ERROR [81:1] Unknown type name 'uint32_t'
ERROR [87:25] Unknown type name 'String'
ERROR [89:5] Use of undeclared identifier 'Serial1'
ERROR [92:32] Unknown type name 'uint8_t' (fix available)
ERROR ...

Failed to connect to bus: No medium found


[assistant] [tool:bash] 
UID=1000
GID=1000
Name=byk
Timestamp=Sat 2026-02-14 09:08:33 UTC
TimestampMonotonic=47033934525


[assistant] No `DBUS_SESSION_BUS_ADDRESS` — we're likely running in a non-login shell (e.g. inside OpenCode). Try with `XDG_RUNTIME_DIR` set:

Created symlink /home/byk/.config/systemd/user/default.target.wants/chromecast-avr-bridge.service → /home/byk/.config/systemd/user/chromecast-avr-bridge.service.


[assistant] [tool:bash] ● chromecast-avr-bridge.service - Chromecast AVR Bridge
     Loaded: loaded (/home/byk/.config/systemd/user/chromecast-avr-bridge.service; enabled; preset: enabled)
     Active: active (running) since Thu 2026-02-19 11:21:31 UTC; 4s ago
   Main PID: 1023739 (uv)
      Tasks: 8 (limit: 9294)
     Memory: 37.4M (peak: 39.6M)
        CPU: 491ms
     CGroup: /user.slice/user-1000.slice/user@1000.service/app.slice/chromecast-avr-bridge.service
             ├─1023739 /home/byk/.local/bin/uv run /home/byk/Code/chromecast_avr_bridge.py
             └─1023743 /home/byk/.cache/uv/environments-v2/chromecast-avr-bridge-00b80b4b3a281385/bin/python3 /home/byk/Code/chromecast_avr_bridge.py

Feb 19 11:21:32 labs uv[1023743]: 2026-02-19 11:21:32 [INFO] bridge: Chromecast AVR Bridge starting
Feb 19 11:21:32 labs ...

Feb 19 11:55:24 labs uv[1023743]: 2026-02-19 11:55:24 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 11:55:24 labs uv[1023743]: 2026-02-19 11:55:24 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:00:00 labs uv[1023743]: 2026-02-19 12:00:00 [INFO] bridge: Media status: player_state=BUFFERING
Feb 19 12:00:00 labs uv[1023743]: 2026-02-19 12:00:00 [INFO] bridge: Media status: player_state=BUFFERING
Feb 19 12:00:00 labs uv[1023743]: 2026-02-19 12:00:00 [INFO] bridge: Media status: player_state=BUFFERING
Feb 19 12:00:00 labs uv[1023743]: 2026-02-19 12:00:00 [INFO] bridge: Media status: player_state=BUFFERING
Feb 19 12:00:00 labs uv[1023743]: 2026-02-19 12:00:00 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:00:01 labs uv[1023743]: 2026-02-19 12:00:01 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:04:11 labs uv[1023743]: 2026-02-19 12:04:11 [INFO] bridge: Media status: player_state=BUFFERING
Feb 19 12:04:11 labs uv[1023743]: 2026-02-19 12:04:11 ...

307:_ACTIVE_STATES = {"PLAYING", "BUFFERING"}
308:_IDLE_STATES = {"IDLE", "UNKNOWN"}
366:            self._on_streaming_stopped()
372:            self._on_streaming_stopped()
374:    def new_media_status(self, status):
375:        player_state = status.player_state if status else "UNKNOWN"
376:        log.info("Media status: player_state=%s", player_state)
377:        if player_state in _ACTIVE_STATES:
378:            self._on_streaming_started()
379:        elif player_state in _IDLE_STATES:
380:            self._on_streaming_stopped()
385:    def _on_streaming_started(self):
403:    def _on_streaming_stopped(self):
461:        if mc.status and mc.status.player_state in _ACTIVE_STATES:
463:            self._on_streaming_started()


[assistant] [tool:read] <path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>385:     def _on_streaming_started(self):
386:         with self._lock:
387:             self._cancel_turn_off_timer()
388:             if ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>455:         self._cast.register_status_listener(self)
456:         self._cast.media_controller.register_status_listener(self)
457:         log.info("Listening for Chromecast state changes...")
458: 
459:         # Handle case where Chromecast is already streaming on connect
460:         mc = self._cast.media_controller
461:         if mc.status and mc.status.player_state in _ACTIVE_STATES:
462:             log.info("Chromecast already streaming on connect")
463:             self._on_streaming_started()
464: 
465:         self._shutdown.wait()
466: 
467:     def stop(self):
468:         log.info("Shutting down...")
469:         self._shutdown.set()
470:         with self._lock:
471:             self._cancel_turn_off_timer()
472:         if self._browser:
473:             self._browser.stop_discovery()
474:         if self._cast:

(File has more lines. ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] Wait — this would spawn `_handle_start` on every single PLAYING/BUFFERING event, which fires many times per minute. That would hammer the AVR with SSH probes constantly. Need a smarter approach: only re-check the AVR if we haven't already confirmed it's on this session.

The real fix is to track `_avr_confirmed_on` state and reset it when streaming stops:

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>330:         self._turn_off_delay = turn_off_delay
331: 
332:         self._cast = None
333:         self._browser = None
334:         self._streaming = False
335:         self._turn_off_timer = None
336:         self._shutdown = threading.Event()
337:         self._lock = threading.Lock()
338: 
339:     # -- Chromecast discovery ------------------------------------------------
340: 
341:     def _discover_chromecast(self) -> bool:
342:         log.info("Discovering Chromecast '%s'...", self._chromecast_name)
343:         try:
344:             chromecasts, browser = pychromecast.get_listed_chromecasts(
345:                 friendly_names=[self._chromecast_name]
346:             )
347:             self._browser = browser
348:             if not chromecasts:
349:                 log.warning("Chromecast '%s' not found", self._chromecast_name)
350:                 browser.stop_discovery()
351:                 ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] [tool:edit] Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] Now reset `_avr_started` when streaming stops:

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] But this still doesn't solve the speaker group case where the stream **never went through IDLE** between sessions. The issue is that when you cast to a speaker group while already streaming solo, `_avr_started` is `True` from the previous session and never gets reset.

The real problem: the Chromecast went from PLAYING (solo) directly to PLAYING (group) with no IDLE/UNKNOWN in between. So `_on_streaming_stopped` never fired, `_avr_started` stayed `True`, and the new stream's power-on was skipped.

There's no clean solution to this with purely reactive state. The only reliable approach is: **if the AVR is off and we're streaming, always power it on** — i.e. periodically re-check the AVR while streaming. Let me add a watchdog:

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>440:     # -- Main loop -----------------------------------------------------------
441: 
442:     def run(self):
443:         log.info("Chromecast AVR Bridge starting")
444:         log.info("  Chromecast:     %s", self._chromecast_name)
445:         log.info("  IR blaster:     %s", self._ir._host or "disabled")
446:         log.info("  Turn-off delay: %ds", self._turn_off_delay)
447: 
448:         while not self._shutdown.is_set():
449:             if self._discover_chromecast():
450:                 break
451:             log.info("Retrying discovery in %ds...", self._chromecast_retry_delay)
452:             self._shutdown.wait(self._chromecast_retry_delay)
453: 
454:         if self._shutdown.is_set():
455:             return
456: 
457:         assert self._cast is not None
458:         self._cast.register_status_listener(self)
459:         ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>458:             if self._discover_chromecast():
459:                 break
460:             log.info("Retrying discovery in %ds...", self._chromecast_retry_delay)
461:             self._shutdown.wait(self._chromecast_retry_delay)
462: 
463:         if self._shutdown.is_set():
464:             return
465: 
466:         assert self._cast is not None
467:         self._cast.register_status_listener(self)
468:         self._cast.media_controller.register_status_listener(self)
469:         log.info("Listening for Chromecast state changes...")
470: 
471:         # Handle case where Chromecast is already streaming on connect
472:         mc = self._cast.media_controller

(File has more lines. Use 'offset' parameter to read beyond line 472)
</content>

[assistant] [tool:read] <path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>472:         mc = self._cast.media_controller
473:         ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] [tool:bash] Feb 19 12:32:09 labs systemd[11972]: Stopped chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 12:32:09 labs systemd[11972]: Started chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge: Loaded config from /home/byk/Code/config.yaml
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge: Chromecast AVR Bridge starting
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge:   Chromecast:     Home Theater
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge:   IR blaster:     http://192.168.50.55
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge:   Turn-off delay: 60s
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>458:             if self._discover_chromecast():
459:                 break
460:             log.info("Retrying discovery in %ds...", self._chromecast_retry_delay)
461:             self._shutdown.wait(self._chromecast_retry_delay)
462: 
463:         if self._shutdown.is_set():
464:             return
465: 
466:         assert self._cast is not None
467:         self._cast.register_status_listener(self)
468:         self._cast.media_controller.register_status_listener(self)
469:         log.info("Listening for Chromecast state changes...")
470: 
471:         # Handle case where Chromecast is already streaming on connect
472:         mc = self._cast.media_controller

(File has more lines. Use 'offset' parameter to read beyond line 472)
</content>

[assistant] [tool:read] <path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>472:         mc = self._cast.media_controller
473:         ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] [tool:bash] Feb 19 12:32:09 labs systemd[11972]: Stopped chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 12:32:09 labs systemd[11972]: Started chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge: Loaded config from /home/byk/Code/config.yaml
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge: Chromecast AVR Bridge starting
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge:   Chromecast:     Home Theater
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge:   IR blaster:     http://192.168.50.55
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge:   Turn-off delay: 60s
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 ...

Feb 19 12:20:15 labs uv[1023743]: 2026-02-19 12:20:15 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:20:15 labs uv[1023743]: 2026-02-19 12:20:15 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:22:51 labs uv[1023743]: 2026-02-19 12:22:51 [INFO] bridge: Media status: player_state=PAUSED
Feb 19 12:23:03 labs uv[1023743]: 2026-02-19 12:23:03 [INFO] bridge: Media status: player_state=PAUSED
Feb 19 12:23:04 labs uv[1023743]: 2026-02-19 12:23:04 [INFO] bridge: Media status: player_state=UNKNOWN
Feb 19 12:23:04 labs uv[1023743]: 2026-02-19 12:23:04 [INFO] bridge: >>> Streaming stopped, turn-off in 60s
Feb 19 12:24:04 labs uv[1023743]: 2026-02-19 12:24:04 [INFO] bridge: >>> Turn-off timer fired -- powering off AVR
Feb 19 12:24:04 labs uv[1023743]: 2026-02-19 12:24:04 [INFO] bridge: AVR: power off
Feb 19 12:24:08 labs uv[1023743]: 2026-02-19 12:24:08 [WARNING] bridge: IR: blast 'tv' failed: <urlopen error [Errno 113] No route to host>
Feb 19 12:29:55 labs ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>330:         self._turn_off_delay = turn_off_delay
331: 
332:         self._cast = None
333:         self._browser = None
334:         self._streaming = False
335:         self._turn_off_timer = None
336:         self._shutdown = threading.Event()
337:         self._lock = threading.Lock()
338: 
339:     # -- Chromecast discovery ------------------------------------------------

(File has more lines. Use 'offset' parameter to read beyond line 339)
</content>

[assistant] [tool:read] <path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>466:         assert self._cast is not None
467:         self._cast.register_status_listener(self)
468:         self._cast.media_controller.register_status_listener(self)
469:         log.info("Listening for Chromecast state changes...")
470: 
471:         # Force a fresh media status fetch so we act on current state immediately
472:         # rather ...

Feb 19 12:33:59 labs systemd[11972]: Stopped chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 12:33:59 labs systemd[11972]: Started chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge: Loaded config from /home/byk/Code/config.yaml
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge: Chromecast AVR Bridge starting
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge:   Chromecast:     Home Theater
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge:   IR blaster:     http://192.168.50.55
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge:   Turn-off delay: 60s
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge: Discovering Chromecast 'Home Theater'...
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge: Connected to 'Home Theater' (192.168.50.54:8009)
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>140:             ),
141:         ]
142:         proc = subprocess.Popen(
143:             ssh_cmd,
144:             stdin=subprocess.PIPE,
145:             stdout=subprocess.PIPE,
146:             stderr=subprocess.PIPE,
147:         )
148:         time.sleep(1.5)  # wait for SSH + stty to settle
149:         return proc
150: 
151:     @staticmethod
152:     def _close_session(proc: subprocess.Popen):
153:         try:
154:             proc.stdin.close()  # type: ignore[union-attr]
155:         except OSError:
156:             pass
157:         proc.terminate()
158:         try:
159:             proc.wait(timeout=3)
160:         except subprocess.TimeoutExpired:
161:             proc.kill()
162: 
163:     @staticmethod
164:     def _send(proc: subprocess.Popen, packet: bytes):
165:         stdin = proc.stdin
166:         assert stdin is not None
167:         stdin.write(packet)
168:         ...

102:        target_volume: int,
103:        default_volume_on_boot: int,
104:        boot_delay: int,
111:        self._target_volume = target_volume
112:        self._default_volume_on_boot = default_volume_on_boot
113:        self._boot_delay = boot_delay
229:        vol_steps = (self._target_volume - self._default_volume_on_boot) + 1
232:            self._boot_delay,
234:            self._default_volume_on_boot,
235:            self._target_volume,
241:            time.sleep(self._boot_delay)
248:            log.info("AVR: on, volume set to %d", self._target_volume)
541:        target_volume=cfg["avr"]["target_volume"],
542:        default_volume_on_boot=cfg["avr"]["default_volume_on_boot"],
543:        boot_delay=cfg["avr"]["boot_delay"],


[assistant] [tool:bash] avr:
  target_volume: 50
  default_volume_on_boot: 40
  boot_delay: 5        # seconds to wait after POWER ON
  turn_off_delay: 60   # seconds after streaming stops before POWER OFF

ir_blaster:
  # Base URL of the ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] Note that `is_on()` sends a VOL UP as its probe (that's how the AVR liveness check works), so each poll tick will nudge the volume up by 1 if the AVR is already responding. That means the `vol_steps` count will be off by however many successful polls ran. But since the first successful poll immediately breaks the loop, it's only ever off by 1 — which is acceptable and was already the case before (the initial `is_on()` call in `_handle_start` did the same thing).

Now also bump `boot_delay` in config to something more realistic — 5 seconds is too short for the HK AVR 265:

[assistant] [tool:read] <path>/home/byk/Code/config.yaml</path>
<type>file</type>
<content>1: # Chromecast AVR Bridge — Configuration
2: # ======================================
3: 
4: chromecast:
5:  ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>458:             if self._discover_chromecast():
459:                 break
460:             log.info("Retrying discovery in %ds...", self._chromecast_retry_delay)
461:             self._shutdown.wait(self._chromecast_retry_delay)
462: 
463:         if self._shutdown.is_set():
464:             return
465: 
466:         assert self._cast is not None
467:         self._cast.register_status_listener(self)
468:         self._cast.media_controller.register_status_listener(self)
469:         log.info("Listening for Chromecast state changes...")
470: 
471:         # Handle case where Chromecast is already streaming on connect
472:         mc = self._cast.media_controller

(File has more lines. Use 'offset' parameter to read beyond line 472)
</content>

[assistant] [tool:read] <path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>472:         mc = self._cast.media_controller
473:         ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] [tool:bash] Feb 19 12:32:09 labs systemd[11972]: Stopped chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 12:32:09 labs systemd[11972]: Started chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge: Loaded config from /home/byk/Code/config.yaml
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge: Chromecast AVR Bridge starting
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge:   Chromecast:     Home Theater
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge:   IR blaster:     http://192.168.50.55
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 [INFO] bridge:   Turn-off delay: 60s
Feb 19 12:32:09 labs uv[1038175]: 2026-02-19 12:32:09 ...

Feb 19 12:20:15 labs uv[1023743]: 2026-02-19 12:20:15 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:20:15 labs uv[1023743]: 2026-02-19 12:20:15 [INFO] bridge: Media status: player_state=PLAYING
Feb 19 12:22:51 labs uv[1023743]: 2026-02-19 12:22:51 [INFO] bridge: Media status: player_state=PAUSED
Feb 19 12:23:03 labs uv[1023743]: 2026-02-19 12:23:03 [INFO] bridge: Media status: player_state=PAUSED
Feb 19 12:23:04 labs uv[1023743]: 2026-02-19 12:23:04 [INFO] bridge: Media status: player_state=UNKNOWN
Feb 19 12:23:04 labs uv[1023743]: 2026-02-19 12:23:04 [INFO] bridge: >>> Streaming stopped, turn-off in 60s
Feb 19 12:24:04 labs uv[1023743]: 2026-02-19 12:24:04 [INFO] bridge: >>> Turn-off timer fired -- powering off AVR
Feb 19 12:24:04 labs uv[1023743]: 2026-02-19 12:24:04 [INFO] bridge: AVR: power off
Feb 19 12:24:08 labs uv[1023743]: 2026-02-19 12:24:08 [WARNING] bridge: IR: blast 'tv' failed: <urlopen error [Errno 113] No route to host>
Feb 19 12:29:55 labs ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>330:         self._turn_off_delay = turn_off_delay
331: 
332:         self._cast = None
333:         self._browser = None
334:         self._streaming = False
335:         self._turn_off_timer = None
336:         self._shutdown = threading.Event()
337:         self._lock = threading.Lock()
338: 
339:     # -- Chromecast discovery ------------------------------------------------

(File has more lines. Use 'offset' parameter to read beyond line 339)
</content>

[assistant] [tool:read] <path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>466:         assert self._cast is not None
467:         self._cast.register_status_listener(self)
468:         self._cast.media_controller.register_status_listener(self)
469:         log.info("Listening for Chromecast state changes...")
470: 
471:         # Force a fresh media status fetch so we act on current state immediately
472:         # rather ...

Feb 19 12:33:59 labs systemd[11972]: Stopped chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 12:33:59 labs systemd[11972]: Started chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge: Loaded config from /home/byk/Code/config.yaml
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge: Chromecast AVR Bridge starting
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge:   Chromecast:     Home Theater
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge:   IR blaster:     http://192.168.50.55
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge:   Turn-off delay: 60s
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge: Discovering Chromecast 'Home Theater'...
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 [INFO] bridge: Connected to 'Home Theater' (192.168.50.54:8009)
Feb 19 12:34:00 labs uv[1040858]: 2026-02-19 12:34:00 ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>140:             ),
141:         ]
142:         proc = subprocess.Popen(
143:             ssh_cmd,
144:             stdin=subprocess.PIPE,
145:             stdout=subprocess.PIPE,
146:             stderr=subprocess.PIPE,
147:         )
148:         time.sleep(1.5)  # wait for SSH + stty to settle
149:         return proc
150: 
151:     @staticmethod
152:     def _close_session(proc: subprocess.Popen):
153:         try:
154:             proc.stdin.close()  # type: ignore[union-attr]
155:         except OSError:
156:             pass
157:         proc.terminate()
158:         try:
159:             proc.wait(timeout=3)
160:         except subprocess.TimeoutExpired:
161:             proc.kill()
162: 
163:     @staticmethod
164:     def _send(proc: subprocess.Popen, packet: bytes):
165:         stdin = proc.stdin
166:         assert stdin is not None
167:         stdin.write(packet)
168:         ...

102:        target_volume: int,
103:        default_volume_on_boot: int,
104:        boot_delay: int,
111:        self._target_volume = target_volume
112:        self._default_volume_on_boot = default_volume_on_boot
113:        self._boot_delay = boot_delay
229:        vol_steps = (self._target_volume - self._default_volume_on_boot) + 1
232:            self._boot_delay,
234:            self._default_volume_on_boot,
235:            self._target_volume,
241:            time.sleep(self._boot_delay)
248:            log.info("AVR: on, volume set to %d", self._target_volume)
541:        target_volume=cfg["avr"]["target_volume"],
542:        default_volume_on_boot=cfg["avr"]["default_volume_on_boot"],
543:        boot_delay=cfg["avr"]["boot_delay"],


[assistant] [tool:bash] avr:
  target_volume: 50
  default_volume_on_boot: 40
  boot_delay: 5        # seconds to wait after POWER ON
  turn_off_delay: 60   # seconds after streaming stops before POWER OFF

ir_blaster:
  # Base URL of the ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] Note that `is_on()` sends a VOL UP as its probe (that's how the AVR liveness check works), so each poll tick will nudge the volume up by 1 if the AVR is already responding. That means the `vol_steps` count will be off by however many successful polls ran. But since the first successful poll immediately breaks the loop, it's only ever off by 1 — which is acceptable and was already the case before (the initial `is_on()` call in `_handle_start` did the same thing).

Now also bump `boot_delay` in config to something more realistic — 5 seconds is too short for the HK AVR 265:

[assistant] [tool:read] <path>/home/byk/Code/config.yaml</path>
<type>file</type>
<content>1: # Chromecast AVR Bridge — Configuration
2: # ======================================
3: 
4: chromecast:
5:  ...

/home/byk/.cache/uv/archive-v0/5ejSAvz6E9E7TwDzOl2hv/pychromecast/controllers/media.py
/home/byk/.cache/uv/environments-v2/chromecast-avr-bridge-00b80b4b3a281385/lib/python3.13/site-packages/pychromecast/controllers/media.py


[assistant] [tool:bash] 167:    def player_is_playing(self) -> bool:
175:    def player_is_paused(self) -> bool:
180:    def player_is_idle(self) -> bool:
390:    def play_media(  # pylint: disable=too-many-locals
548:        self.send_message(msg, inc_session_id=True, callback_function=callback_function)
576:    def channel_connected(self) -> None:
602:    def update_status(self, *, callback_function: CallbackType | None = None) -> None:
604:        self.send_message(
622:        self.send_message(
626:    def play(self, timeout: float = 10.0) -> None:


[assistant] [tool:read] <path>/home/byk/.cache/uv/environments-v2/chromecast-avr-bridge-00b80b4b3a281385/lib/python3.13/site-packages/pychromecast/controllers/media.py</path>
<type>file</type>
<content>576:     ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] Also remove it from the `new_connection_status` CONNECTED handler:

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>370:             self._cast.wait()
371:             log.info("Connected to '%s' (%s)", self._cast.name, self._cast.uri)
372:             return True
373:         except Exception as exc:
374:             log.error("Chromecast discovery error: %s", exc)
375:             return False
376: 
377:     # -- Chromecast listener callbacks ---------------------------------------
378: 
379:     def new_cast_status(self, status):
380:         log.debug("Cast status: app_id=%s", status.app_id if status else None)
381:         if status is None or status.app_id is None:
382:             self._on_streaming_stopped()
383: 
384:     def new_connection_status(self, status):
385:         log.info("Connection status: %s", status.status)
386:         if status.status == "LOST":
387:             log.warning("Chromecast connection lost")
388:             self._on_streaming_stopped()
389:         elif status.status == ...

Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge: Loaded config from /home/byk/Code/config.yaml
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge: Chromecast AVR Bridge starting
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge:   Chromecast:     Home Theater
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge:   IR blaster:     http://192.168.50.55
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge:   Turn-off delay: 60s
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge: Discovering Chromecast 'Home Theater'...
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge: Connected to 'Home Theater' (192.168.50.54:8009)
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge: Listening for Chromecast state changes... ...

<path>/home/byk/.cache/uv/environments-v2/chromecast-avr-bridge-00b80b4b3a281385/lib/python3.13/site-packages/pychromecast/controllers/__init__.py</path>
<type>file</type>
<content>174:     def send_message_nocheck(
175:         self,
176:         data: Any,
177:         *,
178:         inc_session_id: bool = False,
179:         callback_function: CallbackType | None = None,
180:         no_add_request_id: bool = False,
181:     ) -> None:
182:         """Send a message."""
183:         if TYPE_CHECKING:
184:             assert self._message_func
185: 
186:         self._message_func(
187:             self.namespace,
188:             data,
189:             inc_session_id=inc_session_id,
190:             callback_function=callback_function,
191:             no_add_request_id=no_add_request_id,
192:         )
193: 
194:     def receive_message(self, _message: CastMessage, _data: dict) -> bool:
195:         """
196:         Called when a message is received that matches the namespace. ...

[assistant] [tool:bash] Bedroom speaker | audio | unknown:8009
Living Room Speaker | audio | unknown:8009
Google TV | cast | unknown:8009
Kitchen display | cast | unknown:8009
Home Theater | audio | unknown:8009
Entire House | group | unknown:8009
Ground Floor | group | unknown:8009
Office speaker | audio | unknown:8009


[assistant] There it is. There are two group devices: **"Entire House"** and **"Ground Floor"**. When you cast to a speaker group, the media session lives on the group device, not on "Home Theater".

The right approach: **monitor the group device(s)** that include "Home Theater", not the individual speaker. But we don't know which group you'll cast to.

Two options:

1. **Monitor all groups** — connect to every group device, trigger AVR on any of them playing
2. **Monitor the individual + groups** — keep "Home Theater" for connection loss detection, but also watch each group

Which group(s) does your AVR setup use — "Entire House", "Ground Floor", or both?

User has answered your questions: "Which speaker group(s) include the Home Theater Chromecast Audio that's connected to the AVR?"="Both groups". You can now continue with the user's answers in mind.

[assistant] So we need to monitor "Home Theater", "Entire House", and "Ground Floor" — trigger AVR power-on when any of them starts playing, power off only when all of them stop.

Let me look at the current config and bridge structure to plan the changes:

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>300:     def blast(self, endpoint: str):
301:         """
302:         Send an IR command.
303: 
304:         endpoint: "media-server" or "tv"
305:         """
306:         if not self._host:
307:             log.debug("IR: blaster disabled, skipping '%s'", endpoint)
308:             return
309: 
310:         url = f"{self._host}/ir/{endpoint}"
311:         try:
312:             with urllib.request.urlopen(url, timeout=self._timeout) as resp:
313:                 body = resp.read().decode()
314:             log.info("IR: blasted '%s' -> %s", endpoint, body.strip())
315:         except Exception as exc:
316:             log.warning("IR: blast '%s' failed: %s", endpoint, exc)
317: 
318: 
319: # ---------------------------------------------------------------------------
320: # Chromecast-to-AVR Bridge
321: # ---------------------------------------------------------------------------
322: 
323: _ACTIVE_STATES ...

[
  {
    "content": "Refactor config: chromecast.name -> chromecast.devices list",
    "status": "pending",
    "priority": "high"
  },
  {
    "content": "Refactor ChromecastAvrBridge to monitor multiple devices",
    "status": "pending",
    "priority": "high"
  },
  {
    "content": "Update main() to pass device list",
    "status": "pending",
    "priority": "high"
  },
  {
    "content": "Restart service and verify",
    "status": "pending",
    "priority": "medium"
  }
]

[assistant] [tool:todowrite] [
  {
    "content": "Refactor config: chromecast.name -> chromecast.devices list",
    "status": "in_progress",
    "priority": "high"
  },
  {
    "content": "Refactor ChromecastAvrBridge to monitor multiple devices",
    "status": "pending",
    "priority": "high"
  },
  {
    "content": "Update main() to pass device list",
    "status": "pending",
    "priority": "high"
  },
  {
    "content": "Restart service and verify",
    "status": "pending",
    "priority": "medium"
  ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
ERROR [576:9] No parameter named "chromecast_name"
ERROR [573:14] Argument missing for parameter "chromecast_names"
</diagnostics>

[assistant] Now update `main()`:

[
  {
    "content": "Refactor config: chromecast.name -> chromecast.devices list",
    "status": "completed",
    "priority": "high"
  },
  {
    "content": "Refactor ChromecastAvrBridge to monitor multiple devices",
    "status": "completed",
    "priority": "high"
  },
  {
    "content": "Update main() to pass device list",
    "status": "in_progress",
    "priority": "high"
  },
  {
    "content": "Restart service and verify",
    "status": "pending",
    "priority": "medium"
  }
]

[assistant] [tool:edit] Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] Only the expected pychromecast LSP error. Restart:

[
  {
    "content": "Refactor config: chromecast.name -> chromecast.devices list",
    "status": "completed",
    "priority": "high"
  },
  {
    "content": "Refactor ChromecastAvrBridge to monitor multiple devices",
    "status": "completed",
    "priority": "high"
  },
  {
    "content": "Update main() to pass device list",
    "status": "completed",
    "priority": "high"
  },
  {
    "content": "Restart service and verify",
    "status": "in_progress",
    "priority": "medium"
  }
]

[assistant] [tool:bash] Feb 19 13:23:43 labs uv[1058265]: 2026-02-19 13:23:43 [INFO] bridge: Shutdown complete
Feb 19 13:23:43 labs systemd[11972]: Stopped chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 13:23:43 labs systemd[11972]: chromecast-avr-bridge.service: Consumed 3.089s CPU time.
Feb 19 13:23:43 labs systemd[11972]: Started chromecast-avr-bridge.service - Chromecast AVR Bridge. ...

[
  {
    "content": "Refactor config: chromecast.name -> chromecast.devices list",
    "status": "completed",
    "priority": "high"
  },
  {
    "content": "Refactor ChromecastAvrBridge to monitor multiple devices",
    "status": "completed",
    "priority": "high"
  },
  {
    "content": "Update main() to pass device list",
    "status": "completed",
    "priority": "high"
  },
  {
    "content": "Restart service and verify",
    "status": "completed",
    "priority": "medium"
  }
]

[assistant] Working. All three devices connected, group stream detected, AVR powering on. Try starting and stopping streams — both solo and group — and let me know how it goes.

Feb 19 12:58:19 labs systemd[11972]: Started chromecast-avr-bridge.service - Chromecast AVR Bridge.
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge: Loaded config from /home/byk/Code/config.yaml
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge: Chromecast AVR Bridge starting
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge:   Chromecast:     Home Theater
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge:   IR blaster:     http://192.168.50.55
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge:   Turn-off delay: 60s
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge: Discovering Chromecast 'Home Theater'...
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge: Connected to 'Home Theater' (192.168.50.54:8009)
Feb 19 12:58:19 labs uv[1058265]: 2026-02-19 12:58:19 [INFO] bridge: Listening for Chromecast state changes... ...

ssh: connect to host 192.168.50.1 port 22: Connection refused


[assistant] SSH on port 22 is refused. The router uses a custom port:

98:        router_port: int,
107:        self._router_port = router_port
126:            str(self._router_port),
559:        router_port=cfg["router"]["port"],


[assistant] [tool:read] <path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>115:     @staticmethod
116:     def _build_packet(cmd4: bytes) -> bytes:
117:         assert len(cmd4) == 4
118:         cksum = bytes([cmd4[0] ^ cmd4[2], cmd4[1] ^ cmd4[3]])
119:         return HkAvrSerial._HEADER + cmd4 + cksum
120: 
121:     def _open_session(self) -> subprocess.Popen:
122:         """Open a bidirectional SSH session to the router's serial port."""
123:         ssh_cmd = [
124:             "ssh",
125:             "-p",
126:             str(self._router_port),
127:             "-o",
128:             "StrictHostKeyChecking=no",
129:             "-o",
130:             "BatchMode=yes",
131:             "-o",
132:             "ConnectTimeout=10",
133:             ...

ok


[assistant] SSH works. So the session opens fine — the POWER ON command is reaching the AVR but getting no AVRACK back. That's actually expected: from the script's own docstring:

```
POWER ON  80 70 C0 3F  — no AVRACK (standby controller)
POWER OFF 80 70 9F 60  — no AVRACK (standby controller)
```

The AVR's standby controller handles power commands but doesn't send AVRACK. So `is_on()` probes via VOL UP — but the AVR needs time to boot before VOL UP will respond. The liveness poll sends VOL UP every second and the AVR didn't respond within 30s.

Either the POWER ON command isn't reaching the AVR, or 30 seconds isn't enough. Let me check what the liveness poll actually does — specifically whether the SSH session for each `is_on()` probe includes the stty setup which takes 1.5s to settle:

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>221:     def power_on_and_set_volume(self):
222:         """
223:         Power on AVR and ramp volume from boot default to target.
224: 
225:         Sends POWER ON, then polls is_on() until the AVR responds (confirming
226:         it has fully booted), then sends (diff + 1) VOL UP commands.
227:         The +1 is because the first VOL UP after boot activates the volume
228:         display without incrementing the level.
229:         """
230:         vol_steps = (self._target_volume - self._default_volume_on_boot) + 1
231:         log.info(
232:             "AVR: power on -> polling for liveness -> %dx VOL UP (%d->%d)",
233:             vol_steps,
234:             self._default_volume_on_boot,
235:             self._target_volume,
236:         )
237:         proc = self._open_session()
238:         try:
239:             self._send(proc, self._build_packet(self._CMD_POWER_ON))
240:             ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] But also — let me add some logging to `is_on()` at INFO level so we can actually see each poll attempt and whether AVRACK comes back:

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[user] It takes ~10 seconds if not more for AVR to fully turn on. So I'd say the turn on comand should send the command, wait at least 10 seconds, send volume up and try to get back an ack for up to 5-10 more seconds

[assistant] Good, that's a clear spec. Send POWER ON, wait 10s flat, then probe with VOL UP up to ~10 more seconds until AVRACK:

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
ERROR [254:44] Cannot access attribute "_liveness_timeout" for class "HkAvrSerial*"
  Attribute "_liveness_timeout" is unknown
ERROR [263:22] Cannot access attribute "_liveness_timeout" for class "HkAvrSerial*"
  Attribute "_liveness_timeout" is unknown
</diagnostics>

[assistant] Need to add `liveness_timeout` to the constructor, and rename `boot_delay` in config to be clearer:

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>95:         self,
96:         *,
97:         router_host: str,
98:         router_port: int,
99:         router_user: str,
100:         serial_device: str,
101:         baud_rate: int,
102:         target_volume: int,
103:         default_volume_on_boot: int,
104:         boot_delay: int,
105:     ):
106:         self._router_host = router_host
107:         self._router_port = router_port
108:         self._router_user = router_user
109:         self._serial_device = serial_device
110:         self._baud_rate = baud_rate
111:         self._target_volume = target_volume
112:         self._default_volume_on_boot = default_volume_on_boot
113:         self._boot_delay = boot_delay
114: 

(File has more lines. Use 'offset' parameter to read beyond line 114)
</content>

[assistant] [tool:edit] Edit applied successfully. ...

Edit applied successfully.

[assistant] [tool:read] <path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>562:         format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
563:         datefmt="%Y-%m-%d %H:%M:%S",
564:     )
565:     log.info("Loaded config from %s", config_path)
566: 
567:     # Construct collaborators
568:     avr = HkAvrSerial(
569:         router_host=cfg["router"]["host"],
570:         router_port=cfg["router"]["port"],
571:         router_user=cfg["router"]["user"],
572:         serial_device=cfg["serial"]["device"],
573:         baud_rate=cfg["serial"]["baud_rate"],

(File has more lines. Use 'offset' parameter to read beyond line 573)
</content>

[assistant] [tool:read] <path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>573:         baud_rate=cfg["serial"]["baud_rate"],
574:         target_volume=cfg["avr"]["target_volume"],
575:         ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] [tool:bash] Feb 19 13:36:48 labs uv[1067599]: 2026-02-19 13:36:48 [INFO] bridge: Connected to 'Entire House' (192.168.50.54:32141)
Feb 19 13:36:48 labs uv[1067599]: 2026-02-19 13:36:48 [INFO] bridge: Connected to 'Ground Floor' (192.168.50.54:32085)
Feb 19 13:36:48 labs uv[1067599]: 2026-02-19 13:36:48 [INFO] bridge: [Home Theater] Initial state: UNKNOWN
Feb 19 13:36:48 labs uv[1067599]: 2026-02-19 13:36:48 [INFO] bridge: [Entire House] Initial state: UNKNOWN
Feb 19 13:36:48 labs uv[1067599]: 2026-02-19 13:36:48 [INFO] bridge: [Ground Floor] Initial state: UNKNOWN
Feb 19 13:36:48 labs uv[1067599]: 2026-02-19 13:36:48 [INFO] bridge: Listening for state changes on 3 devices... ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>80:       POWER ON  80 70 C0 3F  — no AVRACK (standby controller)
81:       POWER OFF 80 70 9F 60  — no AVRACK (standby controller)
82:       VOL UP    80 70 C7 38  — AVRACK response
83:       VOL DOWN  80 70 C8 37  — AVRACK response
84:       MUTE      80 70 C1 3E  — AVRACK response
85:     """
86: 
87:     _CMD_POWER_ON = b"\x80\x70\xc0\x3f"
88:     _CMD_POWER_OFF = b"\x80\x70\x9f\x60"
89:     _CMD_VOL_UP = b"\x80\x70\xc7\x38"

(File has more lines. Use 'offset' parameter to read beyond line 89)
</content>

[assistant] [tool:read] <path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>89:     _CMD_VOL_UP = b"\x80\x70\xc7\x38"
90:     _HEADER = b"PCSEND\x02\x04"
91:     _CMD_INTERVAL = 0.06  # seconds between commands (50 ms min + margin)
92:     _AVRACK_WAIT = 0.40  # seconds to wait for AVRACK after VOL UP probe
93: 

(File has more lines. ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] Now update `is_on()` to send MUTE instead of VOL UP, and fix the docstring:

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] One side effect though: every `is_on()` call during the liveness loop will toggle mute on/off. That means by the time we confirm liveness, the AVR might be muted. We should send one final MUTE to cancel it out if we probed an odd number of times — or simpler, just unmute explicitly before sending volume. Actually the cleanest fix: send MUTE once on confirmed liveness to ensure it's unmuted (two MUTEs = back to unmuted):

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>255:         time.sleep(self._boot_delay)
256: 
257:         # Now probe with VOL UP until we get AVRACK, up to _liveness_timeout.
258:         deadline = time.monotonic() + self._liveness_timeout
259:         while time.monotonic() < deadline:
260:             if self.is_on():
261:                 log.info("AVR: liveness confirmed, setting volume")
262:                 break
263:             time.sleep(1)
264:         else:
265:             log.warning(
266:                 "AVR: did not respond after boot wait + %ds, sending volume anyway",
267:                 self._liveness_timeout,
268:             )
269: 
270:         proc = self._open_session()
271:         try:
272:             self._drain(proc)
273:             pkt = self._build_packet(self._CMD_VOL_UP)
274:             for _ in range(vol_steps):
275:                 self._send(proc, pkt)
276:                 time.sleep(self._CMD_INTERVAL)
277:    ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] But there's a subtlety: if the liveness loop times out (AVR never responded), we never sent a successful MUTE, so the AVR isn't muted — sending the unmute MUTE would incorrectly mute it. Track whether liveness was confirmed:

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] [tool:bash] Feb 19 13:40:28 labs uv[1068028]: 2026-02-19 13:40:28 [INFO] bridge: Connected to 'Entire House' (192.168.50.54:32141)
Feb 19 13:40:28 labs uv[1068028]: 2026-02-19 13:40:28 [INFO] bridge: Connected to 'Ground Floor' (192.168.50.54:32085)
Feb 19 13:40:28 labs uv[1068028]: 2026-02-19 13:40:28 [INFO] bridge: [Home Theater] Initial state: UNKNOWN
Feb 19 13:40:28 labs uv[1068028]: 2026-02-19 13:40:28 [INFO] bridge: [Entire House] Initial state: UNKNOWN
Feb 19 13:40:28 labs uv[1068028]: 2026-02-19 13:40:28 [INFO] bridge: [Ground Floor] Initial state: UNKNOWN
Feb 19 13:40:28 labs uv[1068028]: 2026-02-19 13:40:28 [INFO] bridge: Listening for state changes on 3 devices... ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>430:                 self._browser = None
431:                 return False
432:             found = [cc.name for cc in chromecasts]
433:             missing = [n for n in self._chromecast_names if n not in found]
434:             if missing:
435:                 log.warning("Devices not found: %s", missing)
436:             for cc in chromecasts:
437:                 cc.wait()
438:                 log.info("Connected to '%s' (%s)", cc.name, cc.uri)
439:             self._casts = chromecasts
440:             return True
441:         except Exception as exc:

(File has more lines. Use 'offset' parameter to read beyond line 441)
</content>

[assistant] [tool:grep] Found 1 matches
/home/byk/Code/chromecast_avr_bridge.py:
  Line 473:     def _handle_start(self):

[assistant] [tool:read] <path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>473:     def _handle_start(self):
474:        ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[user] Oh, how about we alternate between volume up and down commands for probing? One volume up or volume down on its own doesn't do anything (just activates the screen for volume control). anything after that actually changes the volume tho (so even if you do one up one down, you end up with -1)

[assistant] Interesting! So one lone VOL UP just wakes the display without changing volume. That means we can probe safely with a single VOL UP — no side effect, and we get AVRACK back. No need for MUTE at all.

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] And the liveness loop in `power_on_and_set_volume` no longer needs the unmute step — just remove it:

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
ERROR [216:54] Cannot access attribute "_CMD_VOL_DOWN" for class "HkAvrSerial*"
  Attribute "_CMD_VOL_DOWN" is unknown
</diagnostics>

[assistant] Need to add `_CMD_VOL_DOWN`:

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] [tool:bash] Feb 19 13:49:26 labs uv[1068854]: 2026-02-19 13:49:26 [INFO] bridge: [Ground Floor] Initial state: UNKNOWN
Feb 19 13:49:26 labs uv[1068854]: 2026-02-19 13:49:26 [INFO] bridge: Listening for state changes on 3 devices...
Feb 19 13:49:26 labs uv[1068854]: 2026-02-19 13:49:26 [INFO] bridge: [Ground Floor] Media: player_state=PLAYING
Feb 19 13:49:26 labs uv[1068854]: 2026-02-19 13:49:26 [INFO] bridge: >>> Streaming started (Ground Floor)
Feb 19 13:49:28 labs uv[1068854]: 2026-02-19 13:49:28 [INFO] bridge: AVR: probe -> ON (resp=41565241434b0202a85441565241434b0202a953)
Feb 19 13:49:28 labs uv[1068854]: 2026-02-19 13:49:28 [INFO] bridge: AVR already on -- doing nothing


[user] if you do vol up, vol down in the same session back to back it would actually reduce ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
ERROR [223:27] "resp" is possibly unbound
ERROR [227:27] "resp" is possibly unbound
</diagnostics>

[assistant] Fix the possibly-unbound `resp` (the loop always runs exactly twice, but the linter doesn't know that):

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] [tool:bash] Feb 19 13:50:37 labs uv[1069044]: 2026-02-19 13:50:37 [INFO] bridge: [Home Theater] Initial state: UNKNOWN
Feb 19 13:50:37 labs uv[1069044]: 2026-02-19 13:50:37 [INFO] bridge: [Entire House] Initial state: UNKNOWN
Feb 19 13:50:37 labs uv[1069044]: 2026-02-19 13:50:37 [INFO] bridge: [Ground Floor] Initial state: UNKNOWN
Feb 19 13:50:37 labs uv[1069044]: 2026-02-19 13:50:37 [INFO] bridge: Listening for state changes on 3 devices...
Feb 19 13:50:37 labs uv[1069044]: 2026-02-19 13:50:37 [INFO] bridge: [Ground Floor] Media: player_state=PLAYING
Feb 19 13:50:37 labs uv[1069044]: 2026-02-19 13:50:37 [INFO] bridge: >>> Streaming started (Ground Floor)


[assistant] Running. ...

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[assistant] But now the liveness loop in `power_on_and_set_volume` will double-mute on each probe (mute + unmute per `is_on()` call, then nothing extra). The liveness loop no longer needs its own unmute logic — remove `liveness_confirmed`:

Edit applied successfully.

LSP errors detected in this file, please fix:
<diagnostics file="/home/byk/Code/chromecast_avr_bridge.py">
ERROR [58:8] Import "pychromecast" could not be resolved
</diagnostics>

[user] No my man, if you alternate the probe signal in the same session, it should be fine?

[assistant] You're right — if the first command just activates the display without changing volume, then VOL UP (activates display, no change) followed immediately by VOL DOWN (net -1? or also no change since it's within the same "activation"?) ...

Actually I'm not sure I understand the exact behavior. Can you clarify: does the "first command only activates display" rule apply to just the very first command after idle, or does it apply independently to VOL UP and VOL DOWN separately? ...

The arguments provided to the tool are invalid: Model tried to call unavailable tool 'edit'. Available tools: invalid, question, bash, read, glob, grep, task, webfetch, todowrite, skill, recall, Sentry_whoami, Sentry_find_organizations, Sentry_find_teams, Sentry_find_projects, Sentry_find_releases, Sentry_get_issue_details, Sentry_get_issue_tag_values, Sentry_get_trace_details, Sentry_get_event_attachment, Sentry_update_issue, Sentry_search_events, Sentry_create_team, Sentry_create_project, Sentry_update_project, Sentry_create_dsn, Sentry_find_dsns, Sentry_analyze_issue_with_seer, Sentry_search_docs, Sentry_get_doc, Sentry_search_issues, Sentry_search_issue_events, ast-grep_dump_syntax_tree, ast-grep_test_match_code_rule, ast-grep_find_code, ast-grep_find_code_by_rule. ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>380:             self._bridge.on_device_active(self._name)
381:         elif player_state in _IDLE_STATES:
382:             self._bridge.on_device_inactive(self._name)
383:         # PAUSED: keep AVR on, don't touch turn-off timer
384: 
385: 
386: class ChromecastAvrBridge:
387:     """
388:     Monitors multiple Chromecast devices (individual + groups) and controls
389:     the AVR. Powers on when any device is active; powers off only when all
390:     are inactive.
391:     """
392: 
393:     def __init__(
394:         self,
395:         *,
396:         avr: HkAvrSerial,
397:         ir: IrBlaster,
398:         chromecast_names: list[str],
399:         chromecast_retry_delay: int,
400:         turn_off_delay: int,
401:     ):
402:         self._avr = avr
403:         self._ir = ir
404:         self._chromecast_names = chromecast_names
405:         self._chromecast_retry_delay = ...

Done


[user] Well, we can turn the AVR off if the PAUSE state lasts more than 5-10 minutes

[assistant] 

Done


[assistant] Let me verify the result looks clean:

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>370:             mc = self._cast.media_controller
371:             if mc.status and mc.status.player_state in _ACTIVE_STATES:
372:                 self._bridge.on_device_active(self._name)
373:             else:
374:                 self._bridge.on_device_inactive(self._name)
375: 
376:     def new_media_status(self, status):
377:         player_state = status.player_state if status else "UNKNOWN"
378:         log.info("[%s] Media: player_state=%s", self._name, player_state)
379:         if player_state in _ACTIVE_STATES:
380:             self._bridge.on_device_active(self._name)
381:         else:
382:             # PAUSED, IDLE, UNKNOWN all treated as inactive. Turn-off timer
383:             # starts; if playback resumes the timer is cancelled and the AVR
384:             # is re-probed.
385:             self._bridge.on_device_inactive(self._name)
386: 
387: 
388: class ChromecastAvrBridge:
389:     ...

Feb 19 14:04:57 labs uv[1071612]: 2026-02-19 14:04:57 [INFO] bridge: [Home Theater] Initial state: UNKNOWN
Feb 19 14:04:57 labs uv[1071612]: 2026-02-19 14:04:57 [INFO] bridge: [Entire House] Initial state: UNKNOWN
Feb 19 14:04:57 labs uv[1071612]: 2026-02-19 14:04:57 [INFO] bridge: [Ground Floor] Initial state: UNKNOWN
Feb 19 14:04:57 labs uv[1071612]: 2026-02-19 14:04:57 [INFO] bridge: Listening for state changes on 3 devices...
Feb 19 14:04:57 labs uv[1071612]: 2026-02-19 14:04:57 [INFO] bridge: [Ground Floor] Media: player_state=PLAYING
Feb 19 14:04:57 labs uv[1071612]: 2026-02-19 14:04:57 [INFO] bridge: >>> Streaming started (Ground Floor)
Feb 19 14:04:58 labs uv[1071612]: 2026-02-19 14:04:58 [INFO] bridge: AVR: probe -> OFF/no response (resp=empty)
Feb 19 14:04:58 labs uv[1071612]: 2026-02-19 14:04:58 [INFO] bridge: AVR off -- selecting input and powering on


[assistant] Running. Now when you pause → resume, it'll re-probe the AVR. ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>230:         """
231:         Power on AVR and ramp volume from boot default to target.
232: 
233:         Sends POWER ON, then polls is_on() until the AVR responds (confirming
234:         it has fully booted), then sends (diff + 1) VOL UP commands.
235:         The +1 is because the first VOL UP after boot activates the volume
236:         display without incrementing the level.
237:         """
238:         vol_steps = (self._target_volume - self._default_volume_on_boot) + 1
239:         log.info(
240:             "AVR: power on -> wait %ds -> probe up to %ds -> %dx VOL UP (%d->%d)",
241:             self._boot_delay,
242:             self._liveness_timeout,
243:             vol_steps,
244:             self._default_volume_on_boot,
245:             self._target_volume,
246:         )
247:         proc = self._open_session()
248:         try:
249:             self._send(proc, ...

Done


[assistant] [tool:bash] Feb 19 14:08:49 labs uv[1071779]: 2026-02-19 14:08:49 [INFO] bridge: [Home Theater] Initial state: UNKNOWN
Feb 19 14:08:49 labs uv[1071779]: 2026-02-19 14:08:49 [INFO] bridge: [Entire House] Initial state: UNKNOWN
Feb 19 14:08:49 labs uv[1071779]: 2026-02-19 14:08:49 [INFO] bridge: [Ground Floor] Initial state: UNKNOWN
Feb 19 14:08:49 labs uv[1071779]: 2026-02-19 14:08:49 [INFO] bridge: Listening for state changes on 3 devices...
Feb 19 14:08:49 labs uv[1071779]: 2026-02-19 14:08:49 [INFO] bridge: [Ground Floor] Media: player_state=PLAYING
Feb 19 14:08:49 labs uv[1071779]: 2026-02-19 14:08:49 [INFO] bridge: >>> Streaming started (Ground Floor)


[assistant] Running. The power-on sequence is now:

1. POWER ON → 10s boot wait
2. Probe with single VOL UP every 5s until AVRACK
3. **5s gap** (let OSD time out)
4. 11× VOL UP in one session — first one activates display (no change), next 10 actually ramp 40→50

[user] Still the same. ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>236:         display without incrementing the level.
237:         """
238:         vol_steps = (self._target_volume - self._default_volume_on_boot) + 1
239:         log.info(
240:             "AVR: power on -> wait %ds -> probe up to %ds -> %dx VOL UP (%d->%d)",

(File has more lines. Use 'offset' parameter to read beyond line 240)
</content>

[assistant] [tool:bash] Done


[assistant] [tool:bash] Feb 19 14:14:03 labs uv[1072205]: 2026-02-19 14:14:03 [INFO] bridge: Connected to 'Entire House' (192.168.50.54:32141)
Feb 19 14:14:03 labs uv[1072205]: 2026-02-19 14:14:03 [INFO] bridge: Connected to 'Ground Floor' (192.168.50.54:32085)
Feb 19 14:14:03 labs uv[1072205]: 2026-02-19 14:14:03 [INFO] bridge: [Home Theater] Initial state: UNKNOWN
Feb 19 14:14:03 labs uv[1072205]: 2026-02-19 14:14:03 [INFO] bridge: [Entire House] Initial state: UNKNOWN
Feb 19 14:14:03 labs uv[1072205]: 2026-02-19 14:14:03 [INFO] ...

Feb 19 14:25:01 labs uv[1072205]: 2026-02-19 14:25:01 [INFO] bridge: [Ground Floor] Media: player_state=PLAYING
Feb 19 14:25:01 labs uv[1072205]: 2026-02-19 14:25:01 [INFO] bridge: [Ground Floor] Media: player_state=PLAYING
Feb 19 14:25:01 labs uv[1072205]: 2026-02-19 14:25:01 [INFO] bridge: [Ground Floor] Media: player_state=PLAYING
Feb 19 14:25:01 labs uv[1072205]: 2026-02-19 14:25:01 [INFO] bridge: [Ground Floor] Media: player_state=PLAYING
Feb 19 14:25:02 labs uv[1072205]: 2026-02-19 14:25:02 [INFO] bridge: [Ground Floor] Media: player_state=BUFFERING
Feb 19 14:25:02 labs uv[1072205]: 2026-02-19 14:25:02 [INFO] bridge: [Ground Floor] Media: player_state=PLAYING
Feb 19 14:25:02 labs uv[1072205]: 2026-02-19 14:25:02 [INFO] bridge: [Ground Floor] Media: player_state=PLAYING
Feb 19 14:28:33 labs uv[1072205]: 2026-02-19 14:28:33 [INFO] bridge: [Ground Floor] Media: player_state=BUFFERING
Feb 19 14:28:33 labs uv[1072205]: 2026-02-19 14:28:33 [INFO] bridge: [Ground Floor] Media: ...

Bedroom speaker           | audio    | unknown:8009
Living Room Speaker       | audio    | unknown:8009
Google TV                 | cast     | unknown:8009
Home Theater              | audio    | unknown:8009
Entire House              | group    | unknown:8009
Ground Floor              | group    | unknown:8009
Home Theater + 2          | group    | unknown:8009
Kitchen display           | cast     | unknown:8009
Office speaker            | audio    | unknown:8009


[assistant] There it is — **"Home Theater + 2"** is the dynamic ad-hoc group created when you added speakers from the Hub. These dynamic groups have auto-generated names and can change every time.

We can't hardcode every possible group name. Two options:

1. **Monitor all `group` type devices** — discover every device with `cast_type == "group"` and listen to all of them
2. **Monitor all devices on the same IP** as Home Theater (192.168.50.54) — since group devices sharing its IP are the ones involving this ...

User has answered your questions: "How should we handle dynamic groups? We could monitor all group-type Chromecast devices on the network (catches everything, but may react to groups that don't include Home Theater), or we could monitor all devices sharing Home Theater's IP address (more targeted since groups involving it share 192.168.50.54)."="All groups on same IP (Recommended)". You can now continue with the user's answers in mind.

[assistant] [tool:todowrite] [
  {
    "content": "Change config to specify primary device name only",
    "status": "in_progress",
    "priority": "high"
  },
  {
    "content": "Refactor discovery to find primary + all same-IP devices",
    "status": "pending",
    "priority": "high"
  },
  {
    "content": "Restart and test with dynamic group",
    "status": "pending",
    "priority": "medium"
  }
]

[assistant] [tool:read] <path>/home/byk/Code/config.yaml</path>
<type>file</type>
<content>1: # Chromecast AVR Bridge — Configuration
2: # ...

<path>/home/byk/Code/chromecast_avr_bridge.py</path>
<type>file</type>
<content>388:             # is re-probed.
389:             self._bridge.on_device_inactive(self._name)
390: 
391: 
392: class ChromecastAvrBridge:
393:     """
394:     Monitors multiple Chromecast devices (individual + groups) and controls
395:     the AVR. Powers on when any device is active; powers off only when all
396:     are inactive.
397:     """
398: 
399:     def __init__(
400:         self,
401:         *,
402:         avr: HkAvrSerial,
403:         ir: IrBlaster,
404:         chromecast_names: list[str],
405:         chromecast_retry_delay: int,
406:         turn_off_delay: int,
407:     ):
408:         self._avr = avr
409:         self._ir = ir
410:         self._chromecast_names = chromecast_names
411:         self._chromecast_retry_delay = chromecast_retry_delay
412:         self._turn_off_delay = turn_off_delay
413: 
414:         self._casts: list = []
415:         self._browser = None
416:         ...

Traceback (most recent call last):
  File "<string>", line 6, in <module>
    print(f'{cc.name:25s} | {cc.cast_type:8s} | host={cc.host} port={cc.port}')
                                                      ^^^^^^^
AttributeError: 'Chromecast' object has no attribute 'host'


[assistant] [tool:bash] Bedroom speaker           | audio    | 192.168.50.144:8009
Living Room Speaker       | audio    | 192.168.50.137:8009
Google TV                 | cast     | 192.168.50.251:8009
Home Theater              | audio    | 192.168.50.54:8009
Entire House              | group    | 192.168.50.54:32141
Ground Floor              | group    | 192.168.50.54:32085
Home Theater + 2          | group    | 192.168.50.54:32034
Kitchen display           | cast     | 192.168.50.149:8009
Office speaker            | audio    | 192.168.50.15:8009


[assistant] `cc.cast_info.host` gives us the IP. "Home Theater", "Entire House", "Ground Floor", and the dynamic "Home Theater + 2" all share 192.168.50.54. ...

Done


[assistant] [tool:bash] Feb 19 14:39:01 labs uv[1073984]: 2026-02-19 14:39:01 [INFO] bridge: Chromecast AVR Bridge starting
Feb 19 14:39:01 labs uv[1073984]: 2026-02-19 14:39:01 [INFO] bridge:   Primary device: Home Theater
Feb 19 14:39:01 labs uv[1073984]: 2026-02-19 14:39:01 [INFO] bridge:   IR blaster:     http://192.168.50.55
Feb 19 14:39:01 labs uv[1073984]: 2026-02-19 14:39:01 [INFO] bridge:   Turn-off delay: 60s
Feb 19 14:39:01 labs uv[1073984]: 2026-02-19 14:39:01 [INFO] bridge: Discovering Chromecast 'Home Theater'...
Feb 19 14:39:01 labs uv[1073984]: 2026-02-19 14:39:01 [INFO] pychromecast.discovery: discover_chromecasts is deprecated and will be removed in June 2024, update to use CastBrowser instead.
Feb 19 14:39:06 labs uv[1073984]: 2026-02-19 14:39:06 [INFO] bridge: Primary device 'Home Theater' at 192.168.50.54:8009
Feb 19 14:39:06 labs uv[1073984]: 2026-02-19 14:39:06 [INFO] bridge: Monitoring 'Home Theater' (192.168.50.54:8009)
Feb 19 14:39:06 labs uv[1073984]: ...

[
  {
    "content": "Change config to specify primary device name only",
    "status": "completed",
    "priority": "high"
  },
  {
    "content": "Refactor discovery to find primary + all same-IP devices",
    "status": "completed",
    "priority": "high"
  },
  {
    "content": "Restart and test with dynamic group",
    "status": "completed",
    "priority": "medium"
  }
]

[assistant] Now the bridge only needs the primary device name in config. On startup it discovers all Chromecast devices on the network, finds the primary by name, and monitors everything sharing its IP — catching static groups, dynamic groups, and ad-hoc broadcast groups automatically.