fix: security hardening, CSP, WCAG contrast, env vars#27
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Security (agentic review - 7 fixes): - Reject requests in non-dev environments when API_KEY is unset (auth.py) - Add PROXY_SECRET env var to gate frontend API proxy access (route.ts) - Add BRIGHTCLAUSE_API_KEY support to MCP server (index.js) - Replace SQL f-string interpolation with parameterized query (search.py) - Add rate limits to 7 AI-inference endpoints (analysis, graph, deals) - Sanitize filenames in batch upload with null byte and length checks - Add security headers: HSTS, X-Frame-Options, nosniff, Referrer-Policy Remotion video: - Remove GlowOrb from all 8 scenes (AI slop reduction) - Convert width-based bar animations to scaleX (compositor performance) - Remove colored accent stripe from deal cards WCAG: - Fix hero-visual clause refs contrast (text-ink-400 -> text-ink-500) - Add 28-test Playwright verification spec for live site checks Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
ink-500 was dimmer than ink-400 in dark mode (lower numbers = brighter). ink-300 (190, 186, 178) gives well over 4.5:1 contrast on bg-ink-800/30. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
LIVE_URL was hardcoded to brightclause.com. Now reads from BASE_URL env var so tests can run against preview deployments too. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add Content-Security-Policy header covering script-src, style-src, font-src, connect-src, worker-src, frame-src. Blocks external script injection while allowing Next.js, Google Fonts, and Vercel Analytics. Add .env.example for frontend (BACKEND_URL, BACKEND_API_KEY, PROXY_SECRET) and update backend .env.example with generation hint. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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