feat: task cancellation (wip)

frontend/src/views/RunsView.vue

@@ -64,6 +64,11 @@
     }
   };
 
+  async function cancelRun (runId) {
+    const res = await backend.sendAction("cancel-agent-run", {runId});
+    console.log(`Cancelled run ${runId}`, res);
+  };
+
   onMounted(async () => {
     try {
       const res = await backend.sendAction("get-agent-runs");
@@ -104,6 +109,9 @@
         <span :class="['run-status', run.done ? 'status-done' : 'status-running']">
           {{ getStatusBadge(run) }}
         </span>
+        <button v-if="!run.done" @click="cancelRun(run.id)">
+          Cancel
+        </button>
       </div>
       <div v-if="expandedRunId === run.id" class="run-details">
         <div class="detail-row">