Phase 1 MVP - Complete implementation

- Login with JWT and refresh token rotation
- Dashboard with projects cards
- ProjectView with TreeView navigation
- DocumentView with markdown editor and auto-save
- Tag management (create, assign, remove)
- Dark mode CSS variables
- Security fixes applied (logout to backend, createDocument endpoint)

node_modules/path-browserify/test/index.js

@@ -0,0 +1,9 @@
+require('./test-path');
+require('./test-path-basename');
+require('./test-path-dirname');
+require('./test-path-extname');
+require('./test-path-isabsolute');
+require('./test-path-join');
+require('./test-path-relative');
+require('./test-path-resolve');
+require('./test-path-zero-length-strings');