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diff --git a/docs/NOTES.org b/docs/NOTES.org index 875dd18b..5f9b7fe6 100644 --- a/docs/NOTES.org +++ b/docs/NOTES.org @@ -769,6 +769,110 @@ Each entry should use this format: - **Files Modified:** Links to changed files - **Next Steps:** What to do next session (if applicable) +** 2025-11-06 Wed @ 00:30 -0600 + +*** Session: AssemblyAI Transcription Backend Integration + +*Time:* ~1.5 hours (continuation from previous session) +*Status:* ✅ COMPLETE - AssemblyAI backend fully integrated and tested + +*What We Completed:* + +1. ✅ **Added AssemblyAI transcription backend with speaker diarization** + - Created =scripts/assemblyai-transcribe= bash script + - Implements upload → poll → format workflow with AssemblyAI API + - Supports speaker labels (up to 50 speakers) with "Speaker A: text" format + - Uses universal speech model (99 language support) + - API key retrieval from authinfo.gpg (machine api.assemblyai.com) + - Requires jq for JSON parsing + - Successfully tested with 33KB and 4.1MB files (3s and 9s processing times) + +2. ✅ **Updated transcription-config.el for multi-backend support** + - Added =cj/--get-assemblyai-api-key= function + - Updated =cj/--transcription-script-path= to support all 3 backends (openai-api, assemblyai, local-whisper) + - Changed process environment handling from if-statements to pcase for cleaner backend selection + - Updated documentation with backend descriptions + +3. ✅ **Created backend switching UI** + - Implemented =cj/transcription-switch-backend= interactive command + - Uses completing-read interface showing current backend in prompt + - Keybinding: =C-; T b= + - Persists selection for session + - Updated Commentary section with usage instructions + +4. ✅ **Set AssemblyAI as default backend** + - Changed default from 'openai-api to 'assemblyai in =cj/transcribe-backend= + - User feedback: "the assemblyai backend is definitely the best so far" + - Speaker diarization proves superior for multi-speaker recordings + +5. ✅ **Added comprehensive unit tests** + - Created =tests/test-transcription-config--transcription-script-path.el= + - 5 unit tests covering all 3 backends (all passing) + - Tests verify: correct script paths, absolute paths, path format consistency + - Fixed bug: user-emacs-directory path expansion in test assertions + - Followed quality-engineer.org guidelines: test pure functions only, skip framework integration + +6. ✅ **Investigated test failures (18 total)** + - Ran full test suite: 18 files failing (not related to new transcription work) + - Root cause analysis for dwim-shell-security tests (12 failures): + - Functions defined inside use-package :config block + - Config block only loads when package available + - During batch testing, package not loaded → functions never defined → void-function errors + - Identified as orphaned tests for unused placeholder code (PDF/ZIP security functions) + - Installed dependencies (7z, qpdf) to confirm not dependency issue + - 3 additional failures: lorem-optimum-benchmark (environment-dependent timing) + +7. ✅ **Documented cleanup task in todo.org** + - Added TODO item under Method 3 (priority C) at line 336 + - Comprehensive context: why tests fail, what to delete, expected outcome + - Files to delete: + - =tests/test-dwim-shell-security.el= (12 failing tests) + - 4 unused functions in =modules/dwim-shell-config.el= (lines ~302-347) + - Expected result: 18 failures → 6 failures (only benchmarks remain) + - Aligns with V2MOM: reducing test failures, cleaning up unused code + +*Key Decisions:* + +1. **Backend Selection Strategy** + - Keep all 3 backends available (openai-api, assemblyai, local-whisper) + - AssemblyAI as default for superior speaker diarization + - Completing-read UI for backend switching (deferred dired integration discussion) + +2. **Testing Philosophy** + - Only test pure helper functions per quality-engineer.org guidelines + - Skip framework integration tests (auth-source, process management) + - Skip interactive wrapper tests (completing-read, dired bindings) + - Only =cj/--transcription-script-path= warranted testing + +3. **Test Failure Triage** + - Document cleanup in todo.org rather than immediate deletion + - Priority C (non-urgent) - focus on working features first + - Accept environment-dependent benchmark failures + +*Files Modified:* + +- [[file:~/.emacs.d/modules/transcription-config.el][modules/transcription-config.el]] - Multi-backend support, AssemblyAI integration, UI +- [[file:~/.emacs.d/scripts/assemblyai-transcribe][scripts/assemblyai-transcribe]] - NEW: AssemblyAI API integration script +- [[file:~/.emacs.d/tests/test-transcription-config--transcription-script-path.el][tests/test-transcription-config--transcription-script-path.el]] - NEW: Unit tests for backend selection +- [[file:~/.emacs.d/todo.org][todo.org]] - Added test cleanup task in Method 3 + +*Technical Notes:* + +- defvar doesn't override existing values (user needed Emacs restart when switching default backend) +- AssemblyAI workflow: upload file → poll for completion (max 30 min) → format with speaker labels +- Speaker diarization format: "Speaker A: <text>" automatically assigned +- API key storage: authinfo.gpg entry "machine api.assemblyai.com login api password <key>" +- Backend scripts must be executable (chmod +x) + +*Background Processes:* +- ✅ Converted 8 Opus files to M4A (96kbps) - completed successfully +- ✅ Recompressed 3 large M4A files to 64kbps mono for OpenAI compatibility - completed successfully + +*Next Steps:* + +- None - transcription workflow is production-ready +- Future: Priority C task to clean up orphaned dwim-shell-security tests (see todo.org:336) + ** 2025-11-05 Tue @ 16:00 -0600 *** Session: Terminology Refactor & Template Polish |