Step 1 — Profile (pptx-profile)

Turn any .pptx into a map of its real layouts so the next steps can target them precisely. This is the answer to "what layouts does my template actually have, and what is each one for?"

  STEP 1 — PROFILE          STEP 2 — AUTHOR           STEP 3 — RENDER
  pptx-profile              pptx-author               pptx-from-layouts
  ───────────────           ───────────────           ─────────────────
  your-template.pptx        slides.md (+ [HINT:])     slides.md + config
        │                         │                         │
        ▼                         ▼                         ▼
   catalog.py  ──catalog.md──▶  write & lint  ──slides──▶  generate.py ─▶ deck.pptx
        └────────────────── config.json ───────────────────▲   (validated)
  "what layouts do I        "write slides that        "fill the template's
   have?"                    name real layouts"        actual placeholders"