feat: implement abort mechanism for workflows and subagents

src/tool/spawn.rs

@@ -106,11 +106,13 @@ impl Tool for SpawnAgents {
         // by this tool call are isolated from any other concurrent
         // spawn_agents or workflow_run invocations.
         let findings: Arc<Mutex<Vec<String>>> = Arc::new(Mutex::new(Vec::new()));
+        let no_abort: Option<std::sync::Arc<std::sync::atomic::AtomicBool>> = None;
         let results = crate::app::workflow::engine::execute_primitive(
             &wf.script,
             &HashMap::new(),
             max_concurrency,
             true,
+            &no_abort,
             live.as_ref(),
             &ctx.session_dir,
             &ctx.workspaces,
@@ -195,11 +197,13 @@ impl Tool for SpawnPipeline {
         // Per-invocation findings scope isolates this pipeline from any
         // other concurrent spawn_agents / spawn_pipeline / workflow_run.
         let findings: Arc<Mutex<Vec<String>>> = Arc::new(Mutex::new(Vec::new()));
+        let no_abort: Option<std::sync::Arc<std::sync::atomic::AtomicBool>> = None;
         let results = crate::app::workflow::engine::execute_primitive(
             &wf.script,
             &HashMap::new(),
             1,
             false,
+            &no_abort,
             live.as_ref(),
             &ctx.session_dir,
             &ctx.workspaces,