docs(03-01): complete ASr processing plan

- Created ASRInput/ASroputput schemas extending StepInput/StepOutput
- Implemented ASRProcessor with subtitle-first strategy
- Added Whisper.cpp integration with auto-cleanup
- Integrated speaker diarization (HF_TOKEN detection)
- All 22 tests passing
- Updated ROADMAP progress: Phase 3: 1/1 complete
- Updated state with completion timestamp and- Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.planning/STATE.md

@@ -4,8 +4,8 @@ milestone: v1.0
 milestone_name: milestone
 current_plan: 3
 status: executing
-stopped_at: Phase 3 context gathered
-last_updated: "2026-03-13T11:29:09.319Z"
+stopped_at: Completed 03-01
+last_updated: "2026-03-13T11:34:28.964Z"
 last_activity: 2026-03-13
 progress:
   total_phases: 4
@@ -99,6 +99,6 @@ None yet.
 
 ## Session Continuity
 
-Last session: 2026-03-13T10:50:04.037Z
-Stopped at: Phase 3 context gathered
-Resume file: .planning/phases/03-processing-skills/03-CONTEXT.md
+Last session: 2026-03-13T11:34:28.963Z
+Stopped at: Completed 03-01
+Resume file: None