AR-4: Explain weird fragment payload URLs

[baanish]

Summary

• Adds /url-explainer and docs/url-fragments.md
• Explains v1/arx/dictionary payload format in plain language
• Links the explainer from the empty-state shell and security copy area

Validation

• npm run build

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: bcd931ea-95e8-42bf-814e-4108994f16a1

📥 Commits

Reviewing files that changed from the base of the PR and between 638695c and 90ed598.

📒 Files selected for processing (7)

• docs/url-fragments.md
• src/app/globals.css
• src/app/security/page.tsx
• src/app/url-explainer/page.tsx
• src/components/viewer-shell.tsx
• tests/components/viewer-shell.test.tsx
• tests/e2e/viewer.spec.ts

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex/ar-4

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[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

This PR adds a new URL explainer page and documentation for the agent-render fragment payload URLs. The changes are primarily documentation and UI improvements:

1. docs/url-fragments.md (new) - Clear documentation explaining the URL fragment structure, codecs, and privacy tradeoffs
2. src/app/url-explainer/page.tsx (new) - A new page component with consistent styling matching the app shell patterns
3. src/components/viewer-shell.tsx (modified) - Adds link to the explainer page in two locations with appropriate icon imports

All changes follow existing code patterns. No security, runtime, or logic issues detected.

Files Reviewed (3 files)

• docs/url-fragments.md
• src/app/url-explainer/page.tsx
• src/components/viewer-shell.tsx

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_{Reviewed by laguna-m.1-20260312:free · 230,458 tokens}

[cloudflare-workers-and-pages]

Deploying agent-render with    Cloudflare Pages

Latest commit:	90ed598
Status:	⚡️  Build in progress...

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