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fix: improve FFmpeg workflow discoverability

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SkillOpt Epoch 3 improvements: make helper invocation, privacy handling, and separate downstream acceptance gates explicit. Local tests and repository CI validation passed; Droid review failure was an external tool-adapter failure with no substantive finding.
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Magnus Hedemark
2026-09-02 02:07:23 -04:00
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parent c8f7e8d25d
commit de968dfdfb
1 changed files with 4 additions and 2 deletions
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@@ -42,12 +42,12 @@ Label consequential claims so unlike evidence is not blended:
## Media Editing Loop
1. **Intake.** Confirm authorization and privacy boundaries; identify every source; use a private workspace copy of `templates/media-intake.json` to record probe evidence, timing, the output contract, preservation policy, and unresolved assumptions.
1. **Intake.** Confirm authorization and privacy boundaries; identify every source; use a private workspace copy of `templates/media-intake.json` to record probe evidence, timing, the output contract, preservation policy, and unresolved assumptions. Keep raw probe output and media in the restricted task workspace, and minimize any shareable derivative.
2. **Inspect.** Probe streams and format. Check required local capabilities with inventories or `scripts/ffmpeg-preflight`; never assume a filter, encoder, or hardware backend exists.
3. **Collect bounded evidence.** Extract only the frames, clips, waveform/signal measurements, or transcript spans needed for the decision. Record sample timestamps, count, byte/size limits, and the statement that samples cover sampled times only.
4. **Plan before rendering.** For editorial changes, write a reviewable EDL or podcast edit plan. Every consequential cut needs a source range, reason, evidence, confidence, treatment, mapping, and verification state. Leave ambiguous decisions unresolved rather than improvising.
5. **Render safely.** Make stream mapping explicit; prefer `-n` and a new output path; avoid untrusted shell concatenation. Distinguish keyframe-limited stream copy from decoded/re-encoded precise cuts.
6. **Verify in layers.** Check exit status, decodeability, output probe, stream/timing contract, bounded frame/audio evidence, editorial review, and the actual downstream consumer as applicable.
6. **Verify in layers.** Check exit status, decodeability, output probe, stream/timing contract, bounded frame/audio evidence, editorial review, and the actual downstream consumer as applicable. Treat probe/decode success and destination acceptance as separate gates; a local file can pass the former and fail the latter.
7. **Accept or stop.** Use a private workspace copy of `templates/media-acceptance-report.md` to record pass/fail/blocked per criterion. A valid container or successful command alone is not acceptance.
Start technical inspection with:
@@ -56,6 +56,8 @@ Start technical inspection with:
ffprobe -v error -show_format -show_streams -of json INPUT
```
For shipped helper workflows, run the helper from the skill root with explicit output paths and limits; treat its JSON result as a report to verify, not as acceptance by itself. When using `extract-review-frames`, pass timestamps as separate values (`--timestamps 0 5 9`), not one comma-separated value.
## Route to the Focused Reference
### Evidence-driven media work