docs: add developer setup guide, meeting script, and presentation

- 开发者环境搭建指南.md: comprehensive Chinese setup guide for both teams
- 晨会发言稿_开发任务分配.md: 15-min morning meeting script
- 天普EMS开发任务分配_晨会.pptx: 8-slide presentation
- Fix vite proxy back to port 8000 (standard dev port)
- Fix launch.json to standard ports

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.claude/launch.json

@@ -4,15 +4,15 @@
     {
       "name": "frontend",
       "runtimeExecutable": "npm",
-      "runtimeArgs": ["run", "dev", "--", "--force", "--port", "3002"],
-      "port": 3002,
+      "runtimeArgs": ["run", "dev", "--", "--force"],
+      "port": 3000,
       "cwd": "frontend"
     },
     {
       "name": "backend",
       "runtimeExecutable": "uvicorn",
-      "runtimeArgs": ["app.main:app", "--port", "8088", "--reload"],
-      "port": 8088,
+      "runtimeArgs": ["app.main:app", "--port", "8000", "--reload"],
+      "port": 8000,
       "cwd": "backend"
     }
   ]