Initial import of Shirobana bot backend

Include utility modules, shared channels, prompts, read-only skills, wardrobe memory and regression tests. Externalize legacy credentials and exclude private runtime state.

mail-bridge/mail_service.py

@@ -0,0 +1,26 @@
+"""Single Windows service for the existing mail website, MCP and remote COM API."""
+import os
+import uvicorn
+from starlette.middleware.wsgi import WSGIMiddleware
+import mailWeb
+import mail_mcp
+import admin_com
+
+admin_com.install(mailWeb.app)
+web = WSGIMiddleware(mailWeb.app)
+mcp = mail_mcp.BearerKeyMiddleware(mail_mcp.mcp.http_app(
+    path='/mcp/', stateless_http=True,
+    allowed_hosts=['api.rrrosmontis.icu', '127.0.0.1', 'localhost']))
+
+
+async def application(scope, receive, send):
+    # Lifespan goes to FastMCP, so its session manager starts and stops normally.
+    if scope['type'] == 'http' and scope.get('path', '').startswith('/v1/mail/api/'):
+        await web(scope, receive, send)
+    else:
+        await mcp(scope, receive, send)
+
+
+if __name__ == '__main__':
+    uvicorn.run(application, host='127.0.0.1', port=int(os.environ.get('MAIL_PORT', '12005')),
+                log_level='warning', access_log=False, timeout_graceful_shutdown=20)