[iparaskev]

Closes #398 #401

Summary by CodeRabbit

• New Features

  • Added a microphone selector to Call audio settings.
  • Added preferred microphone selection with automatic fallback to available devices.
  • Saved microphone preferences now persist across sessions, with clear handling for unavailable devices and save errors.

• Style

  • Improved panel layout so labels and status information are vertically centered according to their content height.
  • Preserved existing horizontal alignment and sizing.

• Visual Improvements

  • Increased macOS application icon rendering resolution for clearer, sharper icons.

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[coderabbitai]

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ℹ️ Recent review info

⚙️ Run configuration

• Configuration used: defaults
• Review profile: CHILL
• Plan: Advanced
• Run ID: c5dca912-bd7e-498a-ac2c-34fdcb02e3e1

📥 Commits

Reviewing files that changed from the base of the PR and between 7d57e24 and 85cccb7.

📒 Files selected for processing: 5

• tauri/src-tauri/src/app_state.rs
• tauri/src-tauri/src/main.rs
• tauri/src/components/ui/call-center.tsx
• tauri/src/core_payloads.ts
• tauri/src/windows/settings/main.tsx

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📝 Walkthrough

The change adds persisted default microphone selection and resolution through Tauri commands and Call settings. It also centers panel labels by intrinsic height and renders macOS application icons on 64×64 canvases.

Changes: Microphone Preferences

Layer / File(s)	Summary
Define and resolve microphone preference tauri/src-tauri/src/app_state.rs, tauri/src/core_payloads.ts	UserSettings now stores an optional default_mic. Microphone resolution checks the preferred device, last-used device, system default, and first available device. Tests cover migration, fallbacks, persistence, validation, and save failure.
Persist and expose microphone preference tauri/src-tauri/src/app_state.rs, tauri/src-tauri/src/main.rs	AppState::set_default_mic validates and persists selections. Tauri commands expose setting and resolving the preferred microphone. Call startup uses the shared resolution order.
Configure microphone in settings tauri/src/windows/settings/main.tsx, tauri/src/components/ui/call-center.tsx	Call settings lists sorted microphone devices and saves selections. Call initialization retrieves the preferred microphone and preserves an existing active selection.

Panel Label Layout

Layer / File(s)	Summary
Center label fields core/src/app_veil/panel.rs	The content view positions both label fields using intrinsic heights and centers them vertically within its bounds.

Application Icon Rendering

Layer / File(s)	Summary
Increase icon canvas size tauri/src-tauri/src/application_catalog.rs	The macOS icon bitmap dimensions and drawing rectangle now measure 64×64 pixels.

Priority: ➖ Normal

Estimated code review effort: 3 (Moderate) | ~25 minutes

Change: Feature

Sequence Diagram(s)

sequenceDiagram
  participant SettingsUI
  participant TauriCommands
  participant AppState
  participant AudioDevices
  SettingsUI->>TauriCommands: set_default_mic(deviceName)
  TauriCommands->>AppState: persist default microphone
  SettingsUI->>TauriCommands: get_preferred_microphone()
  TauriCommands->>AppState: resolve microphone preference
  AppState->>AudioDevices: inspect available devices
  AudioDevices-->>AppState: return device list
  AppState-->>TauriCommands: return resolved microphone
  TauriCommands-->>SettingsUI: return microphone name

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Merge Risk: ⚪ Minimal · up to 85ccc

No actionable merge-blocking issue was established. The change is ready for normal validation and merge.

Pre-merge checks: 3 · 1 · 1

Failed checks: 1 warning · 1 inconclusive

Check name	Status	Explanation	Resolution
Docstring Coverage		Docstring coverage is 57.14% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 21 functions across 7 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.
Title check		The title refers to UI changes, but it is too vague and does not identify the main change: configurable default microphone selection and settings UI support.	Use a specific title such as "feat: add configurable default microphone selection".

Passed checks: 3 passed

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

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