feat: detect AI-tagged ASCII diagrams in text/txt/plaintext fences - #14
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AI assistants habitually wrap ASCII art in ```text / ```plaintext fences, which the previous hard escape hatch forced to plain code. Routing is now centralized in shouldRenderAsDiagram(): - explicit aliases (ascii, diagram, ascii-art, asciiart, ascii-diagram) always render as diagrams (aliases extended, case-insensitive) - untagged AND text/txt/plaintext fences are heuristic-gated: box art becomes a figure, ordinary text stays a plain code block - ```plain is the new hard opt-out (never a diagram) - real languages are still never hijacked Both pre overrides (app renderer + marketing TemplatePage) share the router; docs/cheat-sheet/template copy updated; 51 unit tests green; verified in the browser (text-tagged art → diagram, text-tagged prose → code, plain → code).
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AI assistants habitually wrap ASCII art in
text /plaintext fences, which the previous hard escape hatch forced to plain code. Routing is now centralized in shouldRenderAsDiagram():Both pre overrides (app renderer + marketing TemplatePage) share the router; docs/cheat-sheet/template copy updated; 51 unit tests green; verified in the browser (text-tagged art → diagram, text-tagged prose → code, plain → code).
Summary
Type of Change
feat— new featurefix— bug fixdocs— documentation onlyrefactor— code change that neither fixes a bug nor adds a featurechore— tooling / maintenancetest— adding or updating testsperf— performance improvementci— CI / build changesScreenshots
Checklist
npm run typecheckpassesnpm run lintpassesnpm run buildpassesany, immutable updates, logical CSS)console.log(uses@/lib/logger)