Replace HTTP basic auth with MCIAS session cookies. Adds mcdsl auth,
csrf, and web packages. Chi router for route-level auth middleware.
Short code redirects (GET /{short}) remain public; all management
pages require MCIAS login. Nord dark theme, layout+page template
pattern matching other platform services.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Switch from PostgreSQL to SQLite (modernc.org/sqlite, pure Go) for
simpler deployment on the MCP platform. Fix URL normalization to
preserve query parameters so sites like YouTube deduplicate correctly.
Add Dockerfile, Makefile, and MCP service definition. Add pg2sqlite
migration tool. Support $PORT env var for MCP port assignment.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
