[BunsDev]

Completed sharing slice

• Add an actual public 1200×630 PNG OG renderer and correct OG/Twitter metadata for route.jev.works.
• Add source-contract checks to CI and browser checks for exact public origins, PNG signatures/dimensions, verified demo readiness and zero evaluation attempts.
• Retain real PNGs, desktop/mobile screenshots and provenance in successful CI artifacts.
• Refresh the primary README with the canonical TypeSafeAI clone URL while preserving the complete prior README byte-for-byte as REFERENCE.md.
• Add a developer/source map, editable repository SVG and deeper agent navigation.

Verification and conversations

Latest exact-head CI for e1912fe00ebfc7dd8d72620dd3993c7cc9d90085 passed in run 36264841238: source guard, unit tests, types, lint, production build and browser suite.

Artifact 10914340261 was downloaded and matched SHA-256 ddf846040bd58d20db515e07a4c557312e363bdbf826f5cf1768f4ed9401d4d1. Generated PNG and both screenshots were visually inspected. Provenance records the tested merge commit, verified no-key demo and zero classification attempts; the configuration GET is intentionally allowed.

All five review threads were addressed and resolved. The Edge-only premise was checked against official documentation and actual successful Node-runtime PNG generation; no unnecessary runtime switch was made. The renderer accepts no request/user/provider input.

Publication boundaries

No application routing policy, credentials, dependencies, license or visibility changed. Artwork is not a screenshot, and test captures are not production captures. GitHub About/topics and repository Social preview settings remain separate authorized settings operations, not effects of committing this PR.

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Project	Deployment	Actions	Updated
typesafe-router	Ready	Preview	Sep 26, 2026 7:05pm UTC

[Copilot]

Copilot review overview

🟡 Changes recommended

The OG route lacks the required Edge runtime, and several sharing/source-contract checks need stronger assertions or CI integration.

Review effort: Lite
Findings: 1 · 4

Open (5)

• Set Edge runtime for ImageResponse metadata route · New
• Assert no API route request was submitted · New
• Assert configured metadata URL origin · New
• Wait for Demo mode status before taking screenshot · New
• Include source-contract test in CI test command · New

What changed in this PR

Adds OG/Twitter sharing metadata, a 1200×630 PNG renderer, sharing checks, and developer discovery documentation.

Changes:

• Adds generated social-card rendering and metadata.
• Adds Playwright and source-contract validation.
• Adds architecture/privacy guidance, llms.txt, and SVG artwork.

File	Summary	Final review notes
scripts/​social-metadata.test.mjs	Source-contract validation	Moderate (2 votes): include this check in CI or the normal test command.
llms.txt	Project navigation and guidance	No findings.
e2e/​sharing.spec.ts	Metadata, PNG, and screenshot checks	Moderate (2 votes): wait for Demo mode; moderate (3 votes): assert the configured origin; moderate (2 votes): assert no /api/route request.
docs/​discovery/​README.md	Developer, architecture, privacy, and sharing guide	No findings.
docs/​discovery/​assets/​social-preview.svg	Editorial sharing artwork	No findings.
app/​opengraph-image.tsx	Generated social image renderer	Critical (1 vote): export runtime = "edge".
app/​layout.tsx	OG/Twitter metadata configuration	No findings.

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