docs(mod3): scrub participant_id examples (PR #5 ancillary)#8
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chazmaniandinkle merged 3 commits intocogos-dev:mainfrom Apr 24, 2026
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Introduces SessionRegistry + GlobalSerializer + live output-device
resolution so multiple concurrent agents/users can share one Mod3
instance without colliding on voice, queue, or speaker.
- session_registry.py: SessionChannel, voice-pool greedy allocation,
per-session queues, round-robin/priority/fifo-global policies, live
device re-query per playback (ADR-082 2026-04-22 amendment - no
caching, macOS CoreAudio default tracked live).
- http_api.py: POST /v1/sessions/register, POST /v1/sessions/{id}/deregister,
GET /v1/sessions, GET /v1/sessions/{id}. Synthesize honors the
session's assigned voice when unspecified.
- server.py + mcp_shim.py: mirrored MCP tools (register_session,
deregister_session, list_sessions) so stdio MCP callers get the
same surface.
- Backward-compat: legacy callers without a session_id route to an
implicit "default" session.
Out of scope (later ADR phases): input routing, barge-in state
machine, native input provider.
Regression: with MOD3_USE_COGOS_AGENT=1, agent_loop's success path returns before the local-inference path's send_response_complete, leaving the dashboard's isResponding spinner hung forever. - channels.py: BrowserChannel.broadcast_response_complete(metrics, session_id) - thread-safe companion to broadcast_response_text, routes to the same channel that received the text frames. - cogos_agent_bridge.py: on agent_response receipt, emit the complete frame after the text frame. - demo/e2e_dashboard_harness.py + tests: updated to assert the completion frame fires on both code paths.
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Replaces hardcoded 'slowbro' with generic 'alice' in MCP tool docstrings and JSON schemas (4 occurrences across http_api.py, mcp_shim.py, server.py). Designed to land alongside PR #5.