Default new lightweight routines to tools-enabled (#1573)

* Default new lightweight routines to tools-enabled

* Fix fmt and clippy on lightweight routine PR

* Use grouped execution field in routine no-tools fixture

* Align CLI routine defaults with tools-enabled lightweight mode

tests/e2e_builtin_tool_coverage.rs

@@ -205,11 +205,11 @@ mod tests {
     }
 
     // -----------------------------------------------------------------------
-    // Test 5: routine_manual_create
+    // Test 5: routine_manual_create_defaults_to_tools_enabled
     // -----------------------------------------------------------------------
 
     #[tokio::test]
-    async fn routine_manual_create() {
+    async fn routine_manual_create_defaults_to_tools_enabled() {
         let trace = LlmTrace::from_file(concat!(
             env!("CARGO_MANIFEST_DIR"),
             "/tests/fixtures/llm_traces/tools/routine_manual_create.json"
@@ -237,8 +237,8 @@ mod tests {
 
         assert!(matches!(routine.trigger, Trigger::Manual));
         assert!(
-            matches!(&routine.action, RoutineAction::Lightweight { use_tools, .. } if !*use_tools),
-            "manual routine should default to lightweight without tools: {:?}",
+            matches!(&routine.action, RoutineAction::Lightweight { use_tools, .. } if *use_tools),
+            "manual routine should default to lightweight with tools enabled: {:?}",
             routine.action
         );
 
@@ -246,7 +246,48 @@ mod tests {
     }
 
     // -----------------------------------------------------------------------
-    // Test 6: routine_history
+    // Test 6: routine_manual_create_explicit_no_tools
+    // -----------------------------------------------------------------------
+
+    #[tokio::test]
+    async fn routine_manual_create_explicit_no_tools() {
+        let trace = LlmTrace::from_file(concat!(
+            env!("CARGO_MANIFEST_DIR"),
+            "/tests/fixtures/llm_traces/tools/routine_manual_create_no_tools.json"
+        ))
+        .expect("failed to load routine_manual_create_no_tools.json");
+
+        let rig = TestRigBuilder::new()
+            .with_trace(trace.clone())
+            .with_auto_approve_tools(true)
+            .build()
+            .await;
+
+        rig.send_message("Create a manual routine for quiet text-only bug triage")
+            .await;
+        let responses = rig.wait_for_responses(1, Duration::from_secs(15)).await;
+
+        rig.verify_trace_expects(&trace, &responses);
+
+        let routine = rig
+            .database()
+            .get_routine_by_name("test-user", "manual-triage-no-tools")
+            .await
+            .expect("get_routine_by_name")
+            .expect("manual-triage-no-tools should exist");
+
+        assert!(matches!(routine.trigger, Trigger::Manual));
+        assert!(
+            matches!(&routine.action, RoutineAction::Lightweight { use_tools, .. } if !*use_tools),
+            "manual routine should preserve explicit use_tools=false: {:?}",
+            routine.action
+        );
+
+        rig.shutdown();
+    }
+
+    // -----------------------------------------------------------------------
+    // Test 7: routine_history
     // -----------------------------------------------------------------------
 
     #[tokio::test]
@@ -283,7 +324,7 @@ mod tests {
     }
 
     // -----------------------------------------------------------------------
-    // Test 7: routine_system_event_emit
+    // Test 8: routine_system_event_emit
     // -----------------------------------------------------------------------
 
     #[tokio::test]

tests/fixtures/llm_traces/tools/routine_manual_create_no_tools.json

@@ -0,0 +1,39 @@
+{
+  "model_name": "test-routine-manual-create-no-tools",
+  "expects": {
+    "tools_used": ["routine_create"],
+    "all_tools_succeeded": true,
+    "min_responses": 1
+  },
+  "steps": [
+    {
+      "response": {
+        "type": "tool_calls",
+        "tool_calls": [
+          {
+            "id": "call_rc_manual_2",
+            "name": "routine_create",
+            "arguments": {
+              "name": "manual-triage-no-tools",
+              "trigger_type": "manual",
+              "prompt": "Summarize the latest bug reports when this routine is fired.",
+              "execution": {
+                "use_tools": false
+              }
+            }
+          }
+        ],
+        "input_tokens": 90,
+        "output_tokens": 24
+      }
+    },
+    {
+      "response": {
+        "type": "text",
+        "content": "Created the manual-triage-no-tools routine. It will only run when explicitly fired and stay text-only.",
+        "input_tokens": 140,
+        "output_tokens": 18
+      }
+    }
+  ]
+}