Merge branch 'cursor/model-showdown-images-f461' (unpublished integration)

Author: Will Schenk

src/content/assets/cards/model-showdown-proposals/README.md

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+# Model Showdown — image proposals
+
+Style: **EVIDENCE · Leonardo Codex** (matches existing `report-model-showdown.jpg` card).
+
+Scaffold: sepia iron-gall ink on aged cream parchment, scientific hatching, faint construction lines, illegible mirror-script scribbles only, no readable modern English. Wide 16:9.
+
+These are proposals for inline / section art on `/reports/model-showdown/`. The measurement card stays as-is unless we swap the hero.
+
+| ID | Report beat | File | Subject |
+|----|-------------|------|---------|
+| **A** | Hero / §01 What we tested | `ms-A-five-dimensions.jpg` | Five-station pentagon around a central balance — reasoning, knowledge, instruction, coding, tool use as one trial apparatus |
+| **B** | §04 Reasoning deep dive | `ms-B-counterfeit-coin.jpg` | Twelve coins + three-weighing balance with case-analysis trees (the hardest puzzle) |
+| **C** | §03 Surprise #1 / §08 MCP | `ms-C-mcp-ceiling.jpg` | Arm plugging six correct tools into a vehicle chassis; horizontal ceiling bar it cannot break |
+| **D** | §10 Cost & speed | `ms-D-cost-curve.jpg` | Inclined-plane race: tiny cheap racer nearly as high as the ornate premium one; penny on a scale |
+| **E** | §03 Surprise #5 (brilliant & broken) | `ms-E-brilliant-broken.jpg` | Split machine: perfect reasoning/coding vs broken formatting templates |
+| **F** | §09 Provider effect | `ms-F-provider-effect.jpg` | Identical twin automata on two benches; output dials diverge |
+| **G** | §03 Surprise #4 (open vs closed) | `ms-G-open-vs-closed.jpg` | Double balance: open-weights stack nearly ties closed seals |
+
+## Recommended first cut
+
+1. **A** as optional report hero (above or beside the existing cream type hero)
+2. **B** before the counterfeit-coin deep dive
+3. **C** at the MCP surprise / MCP section
+4. **D** at the cost-efficiency section
+
+**E / F / G** are nice-to-have for surprise cards if the page can take more illustration without crowding the tables.
+
+## STYLE LOCK (verbatim)
+
+```
+Leonardo da Vinci notebook drawing style: sepia-brown iron-gall ink on
+aged cream parchment, precise scientific hatching and cross-hatching,
+faint geometric construction lines, mirror-script style annotations as
+illegible scribbles only (no readable modern English), soft parchment
+stains. Not photoreal, not digital vector, not colorful — pure
+Renaissance workshop study. Wide 16:9.
+```