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>

backend/app/agent_runtime/__init__.py

@@ -27,6 +27,19 @@ from app.agent_runtime.orchestrator import (
     OrchestratorResult,
     OrchestratorStep,
 )
+from app.agent_runtime.swarm import (
+    SwarmRuntime,
+    SwarmConfig,
+    SwarmMode,
+    SwarmLeader,
+    SwarmTeammate,
+    SwarmMailbox,
+    SwarmTask,
+    SwarmResult,
+    TaskStatus,
+    TeammateResult,
+    create_swarm,
+)
 
 __all__ = [
     "AgentRuntime",
@@ -44,4 +57,16 @@ __all__ = [
     "OrchestratorAgentConfig",
     "OrchestratorResult",
     "OrchestratorStep",
+    # Swarm
+    "SwarmRuntime",
+    "SwarmConfig",
+    "SwarmMode",
+    "SwarmLeader",
+    "SwarmTeammate",
+    "SwarmMailbox",
+    "SwarmTask",
+    "SwarmResult",
+    "TaskStatus",
+    "TeammateResult",
+    "create_swarm",
 ]