16 — Development Timeline

Reconstructed from git history (git log --all). Dates use the commit author timezone. Phase headings follow the “Phase N” tags used in the commit messages and initialplan.md.

Phase 0 — Project Foundation

Date	Commit	Summary
2025-10-25	e2fa4cc	Initial commit.
2026-02-09	18f1c93	Phase 0: directory skeleton, config template, requirements files, setup scripts.
2026-02-09	6b9d003	Merge remote, resolve .gitignore conflict.
2026-02-09	d33bce8	Consolidated to two venvs: venv_main and venv_tts.

Phase 1 — Core Infrastructure

Date	Commit	Summary
2026-02-09	8bb8326	Phase 1: config loader, SystemState, event dispatcher, latency tracker, GPU monitor, logging.
2026-02-09	1461248	Fix config path resolution; remove plan files from tracking.

Phase 2 — UI Shell

Date	Commit	Summary
2026-02-09	85a7a75	PySide6 main window, A/B sections, custom widgets, dark theme.

Phase 3 — STT Module

Date	Commit	Summary
2026-02-09	3450a3e	FasterWhisper engine + worker.
2026-02-09	ec3d850	Hallucination filter list and gaming phonetic index.
2026-02-09	971bf66	Live (30 %) + accumulated (70 %) text panel split.
2026-02-09	65418b0	STT term-file drag-drop, initial_prompt, max_segment_age, VAD log suppression.
2026-02-09	d6116c5	Adjacent dedup + short-phrase repeat filter to fix repetition.

Phase 4 — LLM Translation

Date	Commit	Summary
2026-02-09	1a42dd5	Engine, translator, controller, UI tab.
2026-02-09	3c425cd	CUDA libs, ChatML prompt, manual-input mode.
2026-02-09	5a9fbb8	OpenAI-compatible API backend.
2026-02-09	6a45a0c	Term capacity control + status display in STT tab.
2026-02-09	6b1ff45	Vertical scrollbar in settings tabs.
2026-02-09	46675dc–2e3bcef	Combobox arrow / button visibility polishing pass.
2026-02-09	d0d5577	Plan update: 4.1, 4.2, 4.5, 4.6 done; 4.3, 4.4 deferred.
2026-02-10	d34045f	Phase 4.4: RAG vector retrieval for large glossaries.

Phase 5 — TTS Integration

Date	Commit	Summary
2026-02-09	6fe4937	Phase 5: GPT-SoVITS module skeleton.
2026-02-09	7df8322	Suppress pynvml deprecation noise.
2026-02-09	857f3fb	Fix SoVITS startup: correct PYTHONPATH and project root.
2026-02-09	5e429ee	Wire TTS to translation events; default reference audio.
2026-02-09	4a19037	Use absolute ref_audio_path; better error logging.
2026-02-09	0f22fcc, 142f915	TTS warm-up on server start, moved to a background thread.
2026-02-09	803bf2c	Fix STT repetition, audio device selection, TTS latency display.
2026-02-09	facf711	Phase 5 complete: end-to-end STT → LLM → TTS working.
2026-02-09	f688df7	TTS streaming playback + 25 ms latency target.
2026-02-09	74be837	Audio device race fix, dedup, real TTFA measurement.
2026-02-09	e9d4556	Phase 5 overhaul: two-tier playback.
2026-02-10	53e3cbe	Raise max_segment_age from 2 s to 4 s.

Phase 6 — Pipeline Orchestration

Date	Commit	Summary
2026-02-10	f5febe2	Pipeline coordinator + file output (TXT / SRT / WAV).

Phase 7 — OBS Overlay

Date	Commit	Summary
2026-02-10	c79f52c	OBS Browser Source overlay server.
2026-02-10	27f7da7	Stroke / shadow controls; standalone subtitle timing.

Phase 8 — Launch and Training Tab

Date	Commit	Summary
2026-02-10	2d1ee60	Launch scripts, graceful shutdown, training tab placeholder.

Phase 9 — Quality Pass

Date	Commit	Summary
2026-02-10	065d7cf	TTS queue pruning, translation context, glossary corrector, benchmarks.
2026-02-10	049f1ab	KB tab consolidation; SRT-based training tab.
2026-02-10	eb263e5	Refactor KB tab: drop Quick Add; parallel file table + STT term editor.
2026-02-10	554d4be	Fix delete-button width in KB tab.
2026-02-25	890b782	Hallucination filter UI editor; fix thread shutdown races.

Diarisation and Qwen3-TTS

Date	Commit	Summary
2026-03-11	8a10303	Speaker diarisation + Qwen3-TTS integration.
2026-03-11	96711b3	Connect translation target language to TTS.
2026-03-25	4f30868	Qwen3-TTS modes and status handling.

Simple / Pro Modes

Date	Commit	Summary
2026-03-29	b610cbc	Mode toggle and Simple control panel.
2026-03-29	0a9cc55	Staged startup, progress states, rollback.
2026-03-29	5ca6555	Status pills, keep-models-loaded stop option.
2026-03-29	6db6b27	Tooltips and validation checklist.
2026-03-29	9b8f623	Tab text panes; metrics in status area.
2026-03-29	2bee0c9	Compact quick-settings; single-line metrics.
2026-03-29	e96bcb9	Separate Pro / Simple Section A layouts.
2026-03-29	81cedf4	Stage timeouts; extended Qwen3 warm-up.
2026-03-29	fdf978c	Force Qwen3 custom-voice preset for Start All.
2026-03-29	2311042	Reserve stdout for protocol; drain stderr.
2026-03-29	ff46a36	Qwen3 synth + playback debug logs.
2026-03-29	123b65e	Tune Qwen3 preset for lower synth latency.

Echo Cancellation

Date	Commit	Summary
2026-04-02	d4055ca	Clear-panel baseline reset for source / translation.
2026-04-02	f334773	Playback timeline, NLMS adaptive filter, double-talk detection.

At a Glance

• 68 commits across the rewrite, starting from the initial commit on 2025-10-25 and the Phase 0 scaffolding on 2026-02-09.
• The end-to-end happy path was working by 2026-02-09 (facf711); the remaining months were quality, robustness, additional backends, and UX modes.