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* fix(media-use): remove clicks and ~25ms gaps at every transcript-cut splice transcript-cut extracts each kept range to its own final-codec file, then concat-copies them. That produces two audible artifacts at every cut: 1. No boundary fades. Concat splices raw segment edges together, so the waveform steps discontinuously and each cut clicks. 2. Encoder priming silence. Each segment is encoded to AAC independently, so the encoder pads every one with priming samples. Stream-copy concat bakes that padding in as a silent gap at each splice. Measured 24.4 ms and 24.1 ms at the two splices of a three-range cut. It accumulates: the nth splice lands roughly 25n ms late, so splice positions drift away from the sum of the preceding segment durations. The second survives the first -- adding fades alone leaves the gap. Fix: intermediates carry PCM (.mkv for video, .wav for audio-only) instead of the final codec, so audio is encoded exactly once, at concat. Boundary fades of 30 ms are applied per segment, scaled down on segments shorter than 4x the ramp and skipped on degenerate ones. Measured on the same three-range cut, widest run of digital silence at each splice: before 24.4 ms / 24.1 ms after 0.1 ms / 0.1 ms --copy is unchanged: stream copy cannot filter, so it keeps producing final-codec segments and a copy concat. Audio-only output is byte-identical in duration before and after. scripts/lib test suite: 34/35, the one failure (lut-preset-provider) pre-exists on main and is unrelated. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> * chore(skills): regenerate manifest for media-use * fix(media-use): honor the fadeIn/fadeOut flags fadeFilterFor was passed The caller already computed {fadeIn, fadeOut} per segment, but fadeFilterFor still took one parameter and always emitted both afade ramps -- so a single kept segment (no splice at all) and every segment's true start/end got faded regardless. Extracted the pure function into lib/transcriptCutFade.mjs, made it honor both flags, and added its first unit test: first/middle/last/single-segment filter strings, no ffmpeg needed, fails against the previous version. Also installs ffmpeg in the Test: skills CI job (same action the Producer job uses), so transcript-cut.test.mjs's real-tone RED/GREEN proof runs in CI instead of skipping silently for lack of the binary. * fix(media-use): fix the packed-CLI import and lint on transcript-cut.mjs build-copy.mjs replaces dist/skills/media-use/scripts/lib with a copy of packages/cli/src/media-use/lib, so transcriptCutFade.mjs needed a byte-identical twin there (and in MEDIA_USE_COPY_NAMES) or the packed CLI's transcript-cut.mjs imported a file that no longer existed. Moved its test alongside, matching every other lib helper's tests. Also drops three redundant Boolean(args.copy) wrappers (a ternary condition already coerces) that oxlint's no-extra-boolean-cast flagged. * style(media-use): reflow the shortened ext ternary to oxfmt's shape Dropping the Boolean() wrapper shortened the line enough that oxfmt 0.41 now collapses the ternary onto one line; format:check was failing on the stale multi-line version. --------- Co-authored-by: Claude Opus 5 <noreply@anthropic.com> Co-authored-by: Miguel Angel Simon Sierra <miguel.sierra@heygen.com>