feat(outro): parameterized outro system for @derblasseschimmer Reels

[shelynx79]

Summary

• helpers/make_outro.py — one-command outro pipeline (7 automated steps: frame extract → ffprobe luminance → config inject → HyperFrames PNG-sequence render → static still composite → final MP4 assembly with 30ms audio fade → 3 verification frames). Replaces ~40 min of manual iteration per Reel with a single command.
• helpers/check_luminance.py — standalone luminance checker; outputs text/veil color strategy for any frame or video timestamp via ffprobe signalstats (no PIL dependency).
• templates/outro/outro_template.html — parametrized GSAP/HyperFrames template; reads window.__OUTRO_CONFIG__ injected at render time; auto-selects text and veil colors from measured luminance (L >65 → espresso on cream; L <40 → alabaster on espresso; mid → white on dark).
• SKILL.md — 3 new anti-patterns documented from this session: no zoompan on stills (integer stepping = stutter), always measure luminance before overlay design, veil easing must be power2.out not power2.in.

Usage

uv run python helpers/make_outro.py \
  --source "Reel.mp4" --cutpoint 39.16 \
  --content outro_content.json \
  --out "edit/Reel - neues Outro.mp4"

Content JSON schema:

{
  "stage1": { "kicker": "ZUM MERKEN", "context": "Merk Dir das für Deine", "hero": "Wunschliste" },
  "stage2": { "kicker": "BALD BEI MIR", "context": "Drei neue Skin Tint Balms", "hero": "im direkten / Vergleich", "handle": "@derblasseschimmer" },
  "veil_opacity": 0.88,
  "outro_duration": 7.0
}

Test plan

• End-to-end run on IT Cosmetics Balm Reel (43.68s source, cutpoint 39.16s) — all 7 steps clean
• Luminance auto-detected at 78.4 (HELL) → dark text + cream veil selected correctly
• 3 verification frames extracted and visually confirmed
• Output 46.16s, 1080×1920, 25fps, no stutter

🤖 Generated with Claude Code

---

Summary by cubic

Adds a one-command outro pipeline for @derblasseschimmer Reels that auto-detects luminance, chooses text/veil colors, renders a hyperframes overlay, and assembles the final MP4. This standardizes the outro look and removes ~40 minutes of manual work per Reel.

• New Features

  • helpers/make_outro.py: 7-step pipeline (frame extract → ffprobe luminance → config inject → hyperframes PNG sequence → still composite/no zoompan → MP4 with audio fade → verify frames).
  • helpers/check_luminance.py: CLI to measure luminance for an image or video time; prints recommended text/veil strategy.
  • templates/outro/outro_template.html: parameterized gsap/hyperframes template reading window.__OUTRO_CONFIG__; luminance-aware colors and power2.out veil easing.
  • SKILL.md: adds three anti-patterns (no zoompan; measure luminance first; use power2.out for veil).

• Bug Fixes

  • Audio: trim at cutpoint with a 30ms boundary fade and pad silence for the outro; added has_audio() guard so videos without audio don’t crash.
  • Luminance tool: ffprobe now runs with check=True; replaced deprecated temp file usage with NamedTemporaryFile to avoid race conditions.

^{Written for commit 265a79b. Summary will update on new commits.}

[cubic-dev-ai]

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