feat: Add initial application configuration and update the GitHub repository link in mkdocs.

Record verification evidence in backlog work log

Update backlog master and traceability mapping

Refine hybrid ASR integration regression checks

Update runtime coordinator and pipeline integration expectations

Improve watchdog integration in main startup path

Align CLI runtime messaging and command flow

Harden single-instance lock handling

Fix audio capture stream lifecycle and tests

Stabilize Faster-Whisper ASR fallback behavior

Tighten VAD boundary handling and unit coverage

Fix Linux hotkey backend behavior and add focused tests

Fix Linux keyboard injector default wiring

Fix Linux keyboard injector wiring and hot-path resolution

Record hybrid ASR integration test verification evidence