fix(tunnels): skip tunnel creation for terminal-only tools

apps/api/src/api/tool_instances.py

@@ -437,9 +437,11 @@ async def start_instance(
         }
     
     instance_port = tool_type.default_port
-    logger.info("Tool type for instance %s: name=%s, default_port=%s", 
+    logger.info("Tool type for instance %s: name=%s, default_port=%s, interfaces=%s", 
-                instance.id, tool_type.name, instance_port)
+                instance.id, tool_type.name, instance_port, tool_type.interfaces)
 
+    # Only create Cloudflare tunnel for web-enabled tools
+    if "web" in tool_type.interfaces:
         # Create temporary Cloudflare tunnel for public access
         try:
             logger.info("Creating temporary tunnel for instance %s (container=%s, port=%d)", 
@@ -475,6 +477,12 @@ async def start_instance(
                 "status": "error",
                 "error": f"Failed to create tunnel: {error_msg}",
             }
+    else:
+        # Terminal-only tool - no tunnel needed
+        logger.info("Instance %s is terminal-only (no web interface), skipping tunnel creation", instance.id)
+        instance.url = None
+        instance.public_url = None
+        await session.commit()
 
     return {"status": instance.status, "url": instance.url}
 
@@ -597,6 +605,8 @@ async def restart_instance(
             
             instance_port = tool_type.default_port
             
+            # Only create tunnel for web-enabled tools
+            if "web" in tool_type.interfaces:
                 # Create new temporary tunnel
                 try:
                     tunnel_info = start_cloudflared_tunnel(
@@ -624,6 +634,10 @@ async def restart_instance(
                         "status": "error",
                         "error": f"Failed to create tunnel: {exc}",
                     }
+            else:
+                # Terminal-only tool
+                instance.url = None
+                instance.public_url = None
             
             await session.commit()
             return {"status": instance.status, "url": instance.url}