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/core/database.py

@@ -79,6 +79,8 @@ def init_db():
     import app.models.chat_message
     import app.models.agent_session
     import app.models.billing
+    import app.models.company_schedule
+    import app.models.company_knowledge
     Base.metadata.create_all(bind=engine)
 
     # v1.1.0: 手机验证字段迁移（safe ALTER）
@@ -131,6 +133,9 @@ def _run_safe_migrations():
         "ALTER TABLE template_ratings ADD INDEX idx_trating_workspace (workspace_id)",
         "ALTER TABLE template_favorites ADD COLUMN workspace_id CHAR(36) NULL",
         "ALTER TABLE template_favorites ADD INDEX idx_tfav_workspace (workspace_id)",
+        # v1.5: 虚拟公司进阶字段
+        "ALTER TABLE company_projects ADD COLUMN review_scores JSON NULL",
+        "ALTER TABLE company_projects ADD COLUMN round_count VARCHAR(10) DEFAULT '1'",
     ]
     for raw_sql in migrations:
         try: