added distil models

FEATURES.md

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+# TalkEdit — Feature Roadmap
+
+Features are grouped by priority. Check off items as they are implemented.
+
+---
+
+## 🔴 High Priority — Core editing gaps
+
+- [ ] **Silence / pause trimmer** — detect and auto-remove pauses longer than X ms. One backend endpoint (`/audio/remove-silence`) + a button in the UI. Saves enormous time in podcast/interview editing.
+
+- [ ] **Volume / gain control** — per-selection or global audio gain slider. Every editor has this. Descript users constantly complain it's missing. Backend: `ffmpeg -af volume=Xdb`.
+
+- [ ] **Speed adjustment** — slow down or speed up a selection or the whole clip. Backend: `ffmpeg -filter:v setpts` + `atempo`. Common use case: slightly speed up boring sections.
+
+- [ ] **Cut preview** — before committing a delete, play what the audio will sound like with that section removed (pre-listen across the edit point). Pure frontend using Web Audio API — splice the AudioBuffer and play the join.
+
+- [ ] **Timeline shows output length** — deleted regions should visually collapse (or show as narrow gaps) so the user sees the *output* duration, not just the source duration.
+
+---
+
+## 🟡 Medium Priority — Widely expected features
+
+- [ ] **Transcript search (Ctrl+F)** — find words/phrases in the transcript and highlight matches. Pure frontend. Critical for long-form content. Jump between matches with Enter.
+
+- [ ] **Mark In / Out + delete (I / O keys)** — keyboard shortcuts to mark a time range on the timeline, then delete it. Faster than click-dragging words. Store the in/out points in state, `Delete` removes them.
+
+- [ ] **Low-confidence word highlighting** — WhisperX already returns `confidence` per word. Words below a threshold (e.g. < 0.6) should be visually underlined or tinted so the user knows where to double-check.
+
+- [ ] **Re-transcribe selection** — if Whisper gets a section wrong, let the user select a word range and re-run transcription on just that segment (optionally with a different model or language).
+
+- [ ] **Word text correction** — allow editing the transcript text of a word without affecting its timing. Whisper gets homophones/proper nouns wrong constantly. Pure frontend state change; no backend needed.
+
+- [ ] **Named timeline markers** — drop named marker pins on the waveform (like Resolve markers). Store as `{ id, time, label, color }` in the project. Rendered as colored triangles on the timeline canvas.
+
+- [ ] **Chapters** — group markers into named chapter ranges. Useful for podcasts and lectures. Exportable as YouTube chapter timestamps in the description.
+
+---
+
+## 🟢 Lower Priority — Differentiating / power features
+
+- [ ] **Audio normalization / loudness targeting** — single "Normalize" button that targets a LUFS level (-14 for YouTube, -16 for Spotify). Backend: `ffmpeg -af loudnorm`. Very high value for podcasters, ~2–3 hours of work.
+
+- [ ] **Background music track** — a second audio track for background music with volume ducking. Major gap in Descript that TalkEdit could own. Backend: `ffmpeg` amix + `asendcmd` for auto-ducking.
+
+- [ ] **Video zoom / punch-in** — scale and position the video (crop, zoom, pan). Used constantly on talking-head videos for emphasis. Backend: `ffmpeg -vf crop/scale/zoompan`.
+
+- [ ] **Multi-clip / append** — load a second video and append it to the timeline. Even without a full multi-track timeline, "append clip" is a heavily used workflow.
+
+- [ ] **Clip thumbnail strip** — video frame thumbnails along the timeline so users can navigate visually, not only by waveform. Backend: `ffmpeg` thumbnail extraction at regular intervals.
+
+- [ ] **Batch silence removal** — full-file scan + remove all pauses above threshold in one click. Distinct from the manual trimmer above; this is a "fix the whole file" operation.
+
+- [ ] **Export to transcript text / SRT only** — some users just want a clean `.txt` or `.srt` of the edited transcript without rendering video.
+
+---
+
+## 💡 TalkEdit competitive advantages to lean into
+
+These aren't features to build — they're things to make more visible in the UI and README:
+
+- **100% offline / no account required** — CapCut requires login and sends data to servers. Descript is cloud-first. TalkEdit never leaves the machine.
+- **Local AI models** — Ollama support means no API costs and no data leaving the device.
+- **Word-level precision** — editing by deleting words (not dragging razor cuts) is faster for talking-head content than any timeline-based editor.
+- **Works on long files** — virtualized transcript + chunked waveform handles 1hr+ content that bogs down CapCut.
+
+---
+
+## ✅ Already Implemented
+
+- Word-level transcript editing (select, drag, shift-click, delete)
+- Ctrl+click word → seek timeline to that position
+- Waveform timeline with zoom (Ctrl+scroll), scroll, drag-to-scrub playhead
+- Auto-scroll waveform when playhead goes off-screen
+- AI filler word detection and removal (Ollama / OpenAI / Claude)
+- AI clip suggestions for social media
+- Noise reduction (DeepFilterNet or FFmpeg ANLMDN)
+- Export: fast stream-copy or full reencode (MP4/MOV/WebM, 720p/1080p/4K)
+- Captions: SRT, VTT, ASS burn-in with font/color/position options
+- Speaker diarization
+- Project save / load (.aive JSON format)
+- Undo / redo (100-level history via Zundo)
+- Multi-format input (MP4, MKV, MOV, AVI, WebM, M4A)
+- Keyboard shortcuts (Space, J/K/L, arrows, Ctrl+Z/Shift+Z, Ctrl+S, Ctrl+E)
+- Settings panel: AI provider config (Ollama, OpenAI, Claude)