fix: delete agent 500 error + dynamic personality + deployment guide

- Fix delete agent 500: clean up FK records (agent_llm_logs, permissions,
  schedules, executions, team_members) and unbind goals/tasks before delete
- Remove hardcoded personality templates in Android, replace with dynamic
  system prompt generation from name + description
- Set promptSectionsEnabled=false to bypass PromptComposer for personality
- Add Tencent Cloud Linux deployment guide (Docker Compose)
- Accumulated backend service updates, frontend UI fixes, Android app changes

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/types/index.ts

@@ -2,12 +2,37 @@
  * TypeScript 类型定义
  */
 
+// 工作区类型
+export interface Workspace {
+  id: string
+  name: string
+  description?: string
+  is_default: boolean
+  owner_id: string
+  role: 'admin' | 'member'
+  status: string
+  member_count?: number
+  max_members?: number
+  created_at?: string
+}
+
+export interface WorkspaceMember {
+  id: string
+  user_id: string
+  username: string
+  email: string
+  role: 'admin' | 'member'
+  joined_at?: string
+}
+
 // 用户类型
 export interface User {
   id: string
   username: string
   email: string
   role: string
+  workspaces?: Workspace[]
+  current_workspace_id?: string
   created_at?: string
   updated_at?: string
 }