fix(agent-zero): avoid heredoc break in mcp bootstrap

apps/agent-zero/agent-zero.yaml

@@ -276,12 +276,8 @@ spec:
               fi
 
               export A0_SET_mcp_servers="$(
-                python3 - <<'PY'
-                import json
-                import os
-
+                python3 -c 'import json, os
                 servers = {}
-
                 chat_key = os.getenv("CHAT_MCP_API_KEY")
                 if chat_key:
                     servers["fc_chat"] = {
@@ -289,7 +285,6 @@ spec:
                         "url": "http://chat-web.fc-chat.svc/mcp",
                         "headers": {"X-Api-Key": chat_key},
                     }
-
                 if os.getenv("KNOWLEDGE_MCP_ENABLED", "false").lower() == "true":
                     token = os.getenv("KNOWLEDGE_MCP_BEARER_TOKEN", "")
                     if token:
@@ -298,9 +293,7 @@ spec:
                             "url": os.getenv("KNOWLEDGE_MCP_URL", "http://knowledge-web.knowledge.svc/mcp"),
                             "headers": {"Authorization": f"Bearer {token}"},
                         }
-
-                print(json.dumps({"mcpServers": servers}, separators=(",", ":")))
-                PY
+                print(json.dumps({"mcpServers": servers}, separators=(",", ":")))' 
               )"
               # Run the original entrypoint
               exec /exe/initialize.sh $BRANCH