Add admin-frontend and user-frontend standalone projects, certification/invoice/discovery features, fix auth header and theme consistency

backend/requirements.txt

@@ -1,14 +1,15 @@
-fastapi==0.100.0
-uvicorn==0.23.2
+fastapi==0.136.1
+uvicorn==0.47.0
 sqlalchemy==1.4.48
 asyncpg==0.27.0
-pydantic==1.10.12
+pydantic==2.13.4
+pydantic-settings==2.14.1
 python-jose[cryptography]==3.3.0
 passlib[bcrypt]==1.7.4
 python-multipart==0.0.6
 redis==4.5.5
 celery==5.2.7
-httpx==0.23.3
+httpx>=0.23.3,<0.28
 openai==1.12.0
 anthropic==0.8.1
 jinja2==3.1.2
@@ -19,4 +20,6 @@ pytest-asyncio==0.21.1
 pytest-cov==4.1.0
 weasyprint==60.2
 openpyxl==3.1.2
-edge-tts>=6.0.0
+edge-tts>=6.0.0
+mcp==1.27.1
+starlette==1.0.0