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/picocolors/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "picocolors",
+  "version": "1.1.1",
+  "main": "./picocolors.js",
+  "types": "./picocolors.d.ts",
+  "browser": {
+    "./picocolors.js": "./picocolors.browser.js"
+  },
+  "sideEffects": false,
+  "description": "The tiniest and the fastest library for terminal output formatting with ANSI colors",
+  "files": [
+    "picocolors.*",
+    "types.d.ts"
+  ],
+  "keywords": [
+    "terminal",
+    "colors",
+    "formatting",
+    "cli",
+    "console"
+  ],
+  "author": "Alexey Raspopov",
+  "repository": "alexeyraspopov/picocolors",
+  "license": "ISC"
+}