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)

src/types/index.ts

@@ -0,0 +1,119 @@
+// User / Auth types
+export interface Agent {
+  id: string
+  username: string
+  role: 'agent' | 'admin'
+  created_at: string
+  updated_at: string
+}
+
+export interface AuthResponse {
+  access_token: string
+  token_type: string
+}
+
+// Project types
+export interface Project {
+  id: string
+  name: string
+  description: string | null
+  agent_id: string
+  created_at: string
+  updated_at: string
+}
+
+// Folder types
+export interface Folder {
+  id: string
+  name: string
+  project_id: string
+  parent_id: string | null
+  path: string
+  created_at: string
+  updated_at: string
+}
+
+// Document types
+export interface Tag {
+  id: string
+  name: string
+  color: string
+}
+
+export interface DocumentReasoning {
+  reasoning_type: 'chain' | 'idea' | 'context' | 'reflection'
+  confidence: number | null
+  reasoning_steps: Array<{
+    step: number
+    thought: string
+    conclusion: string | null
+  }>
+  model_source: string | null
+}
+
+export interface Document {
+  id: string
+  title: string
+  content: string
+  project_id: string
+  folder_id: string | null
+  path: string
+  tags: Tag[]
+  reasoning: DocumentReasoning | null
+  created_at: string
+  updated_at: string
+}
+
+// Tree view node
+export interface TreeNode {
+  id: string
+  name: string
+  type: 'folder' | 'document'
+  children?: TreeNode[]
+  parent_id: string | null
+}
+
+// API responses
+export interface ProjectsResponse {
+  projects: Project[]
+}
+
+export interface FoldersResponse {
+  folders: Folder[]
+}
+
+export interface DocumentsResponse {
+  documents: Document[]
+}
+
+// Form inputs
+export interface LoginForm {
+  username: string
+  password: string
+}
+
+export interface RegisterForm {
+  username: string
+  password: string
+}
+
+export interface ProjectForm {
+  name: string
+  description: string
+}
+
+export interface FolderForm {
+  name: string
+  parent_id: string | null
+}
+
+export interface DocumentForm {
+  title: string
+  content: string
+  folder_id: string | null
+}
+
+export interface TagForm {
+  name: string
+  color: string
+}