What problem does it solve? Turning a short voiceover line into a visually coherent B-roll clip normally requires design skills, stock footage hunting, and expensive trial-and-error with video generation APIs. This Skill converts a ~5 second script into an editorial halftone paper-collage assemble-from-empty animation while preventing wasted API spend through mandatory human approval gates. ## Core Features & Use Cases - Three-Gate Approval Workflow: Gate 1 proposes only a visual metaphor (core meaning, key objects, color field, assembly order); Gate 2 generates the final collage still plus a numbered contact sheet; Gate 3 runs video generation only after both confirmations. Batch mode supports partial approval per item. - Gemini Omni Flash Video Generation: Uses first/last-frame interpolation with gemini-omni-flash-preview via bundled Python scripts, delivering 9:16, 5-second, 720x1280, 24fps silent MP4 files with forced audio stripping. - Built-in QA Pipeline: Per-second frame extraction, empty first-frame verification, end-frame comparison against the approved still, and consolidated contact sheets for batch projects. - Use Case: A content creator pastes five voiceover lines, reviews five visual metaphors, approves three, confirms the generated collage stills, and receives three ready-to-use vertical B-roll clips to layer under narration. ## Quick Start Say to your agent: use gbro-collage-broll to turn this 5-second voiceover line into a halftone paper-collage B-roll, then confirm the metaphor, the still frame, and let it generate the video.