v14.0-G9: add deploy/fix_nginx.py; docs send-code 405 fix

Author: zcj220

deploy/fix_nginx.py

@@ -0,0 +1,24 @@
+import re
+
+with open('/etc/nginx/sites-enabled/testpilot', 'r') as f:
+    content = f.read()
+
+auth_block = '''    # Auth 直接代理（插件直连，路径映射到 /api/v1/auth/）
+    location /auth/ {
+        proxy_pass http://127.0.0.1:8900/api/v1/auth/;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_read_timeout 120s;
+    }
+
+    '''
+
+if 'location /auth/' not in content:
+    content = content.replace('    # API 代理', auth_block + '    # API 代理')
+    with open('/etc/nginx/sites-enabled/testpilot', 'w') as f:
+        f.write(content)
+    print("OK: /auth/ block added")
+else:
+    print("SKIP: already exists")