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/vue-demi/bin/vue-demi-fix.js

@@ -0,0 +1,3 @@
+#!/usr/bin/env node
+'use strict'
+require('../scripts/postinstall')

node_modules/vue-demi/bin/vue-demi-switch.js

@@ -0,0 +1,3 @@
+#!/usr/bin/env node
+'use strict'
+require('../scripts/switch-cli')