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playbook/antigravity-awesome-skills/skills/pptx-deck-creation/references/reference-deck-analysis.md
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2026-07-18 00:02:59 +00:00

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# PPTX Reference Deck Analysis Recipes
This file is static guidance for inspecting existing `.pptx` files and defining expected analysis outputs.
## Scope
- Keep only static guidance for reference-deck prompt context, extraction, folder analysis, and style-master inspection.
- Do not place runtime scripts, model assets, importable Python modules, or generated artifacts here.
- This skill ships no importable code; implement the extraction/style-analysis contract on demand with `python-pptx`.
- `python-snippets.md` holds documentation-only `python-pptx` guidance — approach notes plus short illustrative snippets. Do not import from it or recreate packaged `.py` resources from it.
## Analysis Recipes
### 1. Prompt Context Recipe
Build compact LLM-ready context from a reference deck.
Expected result:
- `slide_count`, `slide_size`
- `styles`, `brands`, `template`, `layout`
- Per-slide title/text snippets and shape counts
### 2. Full Extraction Recipe
Produce a full JSON extraction including:
- `summary` complexity metrics
- `slides[*].layout_tree` with groups/objects
- `ooxml_elements` for render-aware inspection
### 3. Folder Batch Recipe
Process a folder of decks to produce:
- One `.pptx-spec.json` file per deck
- A `manifest.json` to track outputs
### 4. Style Master Recipe
Run style-only analysis when you need design lock signals:
- Palette and accent colors
- Typography and font-size distribution
- Master/layout usage and flow patterns
### 5. Reference Template Catalog Recipe
When a reference deck should inform a new deck's layout rhythm, produce a
human-readable catalog from the existing prompt-context, extraction, and
style-master outputs. This is a view over the same analysis, not a separate
extraction workflow.
- List every source slide by **zero-based** index.
- Record `layout_role`, a short visual description, usable regions,
placeholder roles, visual structures, and content-fit constraints.
- Use the catalog to select layout inspiration for the new outline. Re-author
every target slide with an independent coordinate-explicit `layout_tree`.
- Do not clone, rearrange, replace text in, or otherwise mutate the source deck.
- Do not inherit source content, fonts, images, or proprietary assets without
explicit permission and licensing evidence.
Suggested catalog shape:
```json
{
"source_deck": "reference.pptx",
"slide_count": 12,
"slides": [
{
"source_index": 0,
"layout_role": "cover",
"description": "Dark cover with title and subtitle regions",
"regions": ["title", "subtitle", "supporting visual"],
"placeholder_roles": ["ctrTitle", "subTitle"],
"visual_structures": ["full-bleed color field", "corner motif"],
"reuse_constraints": ["best for one title and one short subtitle"]
}
]
}
```
## Related Responsibilities
This reference covers PPTX prompt context, extraction, folder batch analysis,
style-master inspection, and the derived reference-template catalog only.
- Use the parent `pptx-deck-creation` workflow for narrative/source preparation,
together with [design profiles](design-profiles.md) for profile selection.
- Use [visual asset guidelines](visual-asset-adapters.md) for acquiring and
placing icons, images, SVGs, and infographics.