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8cac647193
Prove that adding one API key (OPENAI_API_KEY) to the zero-key foundation produces dramatically better videos for ~$0.69 each. Two compositions built: The Abyss (deep ocean visual essay) and VOID (neural interface product ad). New tools: - audio_probe: ffprobe wrapper with probe_duration() helper - composition_validator: pre-render checks (asset existence, audio-video sync) - pixabay_music: royalty-free music scraper (no API key needed) - freesound_music: Freesound API search + download Remotion upgrades: - BackgroundImageLayer: AI images behind data scenes with ken-burns + dark overlay - Gradient support: all 9 components changed from backgroundColor to background CSS - CaptionOverlay: word spacing fix, WhisperX word-level subtitles - HeroTitle: reduced overlay opacity so background images show through Process codified in agent skills: - compose-director: audio acquisition flow (present user with voice/music/subtitle options), mandatory pre-render validation, post-render self-review (extract frames + transcribe + inspect + present findings to user) - scene-director: narration duration budgeting (word budget from video duration) - remotion skill: pre-render validation section - TTS tool: now returns audio_duration_seconds in result README updated with VOID product ad video embed.