paper-collage-explainer-generator

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• SKILL.cn.md
• SKILL.md
• meta.yaml

SKILL.md (first lines)

# Paper Collage Explainer Generator

Turn a short narration line, story topic, viewpoint sentence, or abstract idea into a cohesive editorial paper-collage animation sequence. The visual language is premium halftone paper collage: flat bold color fields, black-and-white photographic cut-outs, selective colored cardstock accents, warm cream keylines, soft paper shadows, tactile stop-motion assembly, and crisp collage sound effects.

This Hub-adapted Skill uses Hub-native image, video, audio, and optional postprocess capabilities. It prioritizes style continuity, color harmony, controlled paper texture, stop-motion collage rhythm, and an audio policy that keeps tactile collage SFX by default while explicitly not adding BGM, voiceover, or subtitles unless the user requests them.

## When to Use

Use this Skill when the user wants:

- A short script line turned into a visual-metaphor collage animation
- A simple story or literary topic explained through collage B-roll
- Editorial paper-collage animation for narration or social video
- Halftone collage animation with objects assembling from an empty color field
- A batch of short abstract sentences or story beats converted into separate visual-metaphor animation clips
- A tactile knowledge explainer that may include paper clicks, pops, slides, presses, and rustles but not automatic music or voiceover

Do not use this Skill when the user needs:

- A realistic product ad or presenter-led video
- Precise editable layers, timeline keyframes, or transparent cut-out assets
- Exact logo placement or readable typography
- Only a written video prompt without generation

## Default Creative Targets

Unless the user specifies otherwise:

- Output ratio: 16:9 landscape
- Clip length: about 4 seconds per segment
- Audio default: keep or generate tactile paper-collage sound effects only, such as paper slide, pop, press, light rustle, and soft tap sounds
- Default: do not add BGM. You may ask whether the user wants BGM when it may help, but add music only after explicit user confirmation
- Default: do not add voiceover, spoken narration, or presenter narration. You may ask whether the user wants narration/口播 when the project may benefit, but write, synthesize, or add spoken audio only after explicit user confirmation
- Default: do not add subtitles. You may ask whether the user wants subtitles, but create or burn in subtitles only after explicit user confirmation
- Visual style: premium editorial halftone paper collage
- Motion style: tactile stop-motion assembly, not slow zoom, generic drifting, or smooth digital layer movement
- Default video generation model: `MiniMax-H3`, unless the user explicitly specifies another model, the model is unavailable, or a hard capability requirement excludes it
- Text in image/video: avoid readable letters, numerals, UI, subtitles, watermark, and logos
- Image quality and depth: prioritize visually attractive, layered 16:9 compositions with clear foreground, midground, and background depth, strong subject hierarchy, rich but readable scene design, and controlled negative space

## Audio Policy

This Skill's default delivery is **with collage SFX, and without BGM, voiceover, or subtitles**.

1. During the first production-plan confirmation, state the default media approach explicitly: tactile paper-collage sound effects are kept or generated; BGM, voiceover/口播, and subtitles are not added by default.
2. It is acceptable to ask the user whether they want **voiceover narration/口播**, **BGM**, or **subtitles**, especially for explainers, but present all three as optional add-ons, not defaults.
3. Do not infer that an explainer automatically needs spoken narration. If the user does not choose narration, create visual story beats rather than a voiceover script.
4. Do not infer that a social video automatically needs BGM or subtitles. If the user does not choose them, keep the clip SFX only.
5. When generating video clips, request synchronized tactile collage SFX if the selected video model supports audio: paper pieces sliding, popping, pressing flat, soft taps, and light paper rustles.
6. During final assembly, preserve the original clip audio tracks when they contain collage SFX. Do not drop audio by default.
7. Remove or replace audio only when the user asked for silence, when the generated audio contains unwanted speech/music, or when the user requests a separate music/narration mix. Create subtitles only when the user explicitly asks for them.

## Global Style Rules

Apply these rules to every still and video in the project:

1. **Unify the overall visual style.** Every segment should feel like part of the same editorial paper-collage series: halftone cut-outs, flat color fields, warm cream keylines, soft physical shadows, clean composition, tactile paper material, and coordinated collage SFX.
2. **Control the paper texture intensity.** Paper must not look perfectly flat, but it also must not become over-aged, dirty, wrinkled, or brown unless the user explicitly asks. Prefer clean, refined hand-made texture: subtle fiber, slightly irregular torn edges, light deckled fibers, layered seams, and soft shadows.
3. **Unify the color tone.** Do not introduce kraft-paper, brown, yellowed, or distressed base papers when they clash with the approved still or the batch palette. Start each clip from a paper field that matches the approved final still's main color direction.
4. **Make motion read as stop-motion collage.** Use clear paper-piece actions: appear piece by piece, slide or pop into position, lightly bounce, press flat, pause, then lock into the final composition. Avoid fast spinning, excessive flipping, chaotic object flight, global fades, smooth digital panning, zooming, or generic drifting.
5. **Keep segments coordinated.** Once one or two clips establish the approved batch style and SFX cadence, later clips and revisions should reference that cadence and tone so the whole sequence feels coherent.
6. **Default to polished 16:9 layered scenes.** Unless the user explicitly requests another platform frame, plan and generate in 16:9 landscape. Use the wider canvas to build attractive foreground / midground / background separation, richer environment props, clear subject hierarchy, and cinematic lateral composition without turning the frame into clutter.
7. **Emphasize paper-collage craft.** Every still and clip should make the paper-collage method visible: separable paper groups, halftone photographic cut-outs, colored cardstock accents, tactile shadows, torn edges, layered seams, and stop-motion actions such as pop-in, slide-in, light bounce, press-flat, pause, and lock.

## STEP 1: Parse the Input

For each line, concept, story, or topic, extract:

- Core meaning: what the viewer should understand
- Emotion: calm, urgent, ironic, surprising, absurd, clarifying, reflective, mysterious, or playful
- Action verb: open, connect, leak, archive, compress, split, illuminate, bind, assemble, reveal, fall, chase, transform, collide
- Visual metaphor: a concrete image that expresses the idea without writing the script on screen
- Key objects: three to six large readable paper groups
- Audio implication: whether the beat benefits from paper slide, pop, press, tap, rustle, or snap SFX

For a story topic, split the story into three to six concise beats unless the user specifies a count. Similar beats may share the same design language, but each should have a distinct metaphor, object set, color field, and SFX rhythm.

## STEP 2: Gate 1 — Production Plan Document Approval

Before generating any media, create a concise production plan document and stop for user approval. Do not generate stills or videos before the user confirms this document.

The production plan must include:

### Brief

- Topic or source line
- Intended audience / use context when known
- Aspect ratio and duration assumptions
- Tone and pacing
- Visual style summary
- Media approach, stated as: default collage SFX are kept or generated; BGM, voiceover/口播, and subtitles are not added unless the user explicitly requests them
- Optional add-on question when useful: ask whether the user wants voiceover narration/口播, BGM, or subtitles, but keep them optional

### Visual Metaphors

For each planned segment:

- Core meaning
- Emotion
- One-sentence visual proposition
- Three to six key objects
- Suggested background color and accent colors
- Expected assembly order
- Expected collage SFX moments, such as slide, pop, press, tap, rustle, or snap

### Script / Visual Beat Track

If the user explicitly requests narration, write a concise voiceover script. If the user has not explicitly requested narration, do **not** write a voiceover script; instead write a silent visual beat track explaining what the audience understands from the sequence.

If the user only needs B-roll for an existing line, preserve the original line as context instead of inventing narration.

### Storyboard

For each segment, include:

- Segment title
- Final-frame description
- Motion idea
- Approximate duration

From YLKC269/MR-Next, Apache-2.0.

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