feat: virtual company module, team projects, PWA dishes app, and startup scripts overhaul

- Add company module (3-tier org, CEO planning, parallel departments)
- Add company orchestrator, knowledge extractor, presets, scheduler
- Add company API endpoints, models, and frontend views
- Add 今天吃啥 PWA app (69 dishes, real images, offline support)
- Add team_projects output directory structure
- Add unified manage.ps1 for service lifecycle
- Add Windows startup guide v1.0
- Add TTS troubleshooting doc
- Update frontend (AgentChat UX overhaul, new views)
- Update backend (voice engine fix, multi-tenant, RBAC)
- Remove deprecated startup scripts and old docs

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

backend/app/agent_runtime/orchestrator.py

@@ -136,7 +136,7 @@ class OrchestratorAgentConfig(BaseModel):
     model: str = Field(default="deepseek-v4-flash")
     provider: str = Field(default="deepseek")
     temperature: float = 0.7
-    max_iterations: int = 10
+    max_iterations: int = 15
     tools: List[str] = Field(default_factory=list, description="工具白名单，空=全部")
     description: str = Field(default="", description="Agent 专长描述（路由模式用）")