拆分 coordinator 子状态机模块

[H-Chris233]

User description

变更说明

Closes #296

按最小改动原则，把 coordinator.rs 中已经有测试覆盖的高风险区域拆到 coordinator 私有子模块：

• coordinator/dictation.rs：主听写 hotkey edge、begin / stop / cancel session 生命周期及错误收尾。
• coordinator/qa.rs：QA 浮窗状态类型与 QA panel / Option edge 路由。
• coordinator/resources.rs：ASR / Recorder session resource、录音静音、预览 recorder 清理等共享资源管理。

保留 Coordinator / Inner 作为统一 owner，外部 IPC 与跨模块 wiring 仍在 coordinator.rs，避免扩大行为变更面。

验证

• cargo check --manifest-path openless-all/app/src-tauri/Cargo.toml
• cargo test --manifest-path openless-all/app/src-tauri/Cargo.toml --lib
• cargo test --manifest-path openless-all/app/src-tauri/backend-tests/Cargo.toml

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PR Type

Enhancement

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Description

• Split the 3842-line coordinator.rs into three submodules

• Move dictation session lifecycle to dictation.rs

• Move QA panel state machine to qa.rs

• Extract shared recording resources into resources.rs

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Diagram Walkthrough

flowchart LR
A["coordinator.rs (original)"] -- "dictation lifecycle" --> B["coordinator/dictation.rs"]
A -- "QA panel state machine" --> C["coordinator/qa.rs"]
A -- "resource management" --> D["coordinator/resources.rs"]

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File Walkthrough

Relevant files

Refactoring

coordinator.rs Remove moved functions and add module declarations              openless-all/app/src-tauri/src/coordinator.rs Removed dictation, QA, and resource helper functions that have been moved to submodules Added mod dictation; mod qa; mod resources; declarations and necessary imports Kept cross-module wiring, public API, and test module (imports from new submodules) +29/-1335 dictation.rs Extract dictation session lifecycle into new module            openless-all/app/src-tauri/src/coordinator/dictation.rs New module containing dictation session lifecycle: begin, end, cancel, hotkey edge handlers Includes recorder startup, error handling, transcription, polish, and insertion logic Exports abort_recording_with_error and dictation_error_code for test use +1050/-0 qa.rs Extract QA panel state machine into qa module                        openless-all/app/src-tauri/src/coordinator/qa.rs New module with QA panel state machine: QaPhase, QaSessionState, open/close panel functions Manages QA hotkey edge routing and floating window visibility +124/-0  resources.rs Extract shared recording resources into resources module  openless-all/app/src-tauri/src/coordinator/resources.rs New module housing shared resource management: SessionResource, SharedRecordingMuteState Provides ASR/recorder session store/retrieve helpers, mute acquire/release, and cleanup functions +191/-0

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[github-actions]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

🎫 Ticket compliance analysis 🔶 296 - Partially compliant Compliant requirements: Split dictation, QA, and resource-management code into private submodules. Kept Coordinator / Inner ownership and IPC wiring in coordinator.rs. Kept the refactor scoped to the existing session/state-machine behavior. Non-compliant requirements: No new or updated tests for the refactored coordinator paths are shown in the diff. Requires further human verification: Confirm the existing test suite still covers the moved dictation and QA paths after the module split. Verify the cargo check / cargo test commands in the PR description were run successfully in CI or locally.

⏱️ Estimated effort to review: 4 🔵🔵🔵🔵⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ No major issues detected