feat: add endpoints for task cancellation and dispatcher control

server/server.js

@@ -1092,6 +1092,31 @@ app.post('/api/tasks/:taskId/complete', (req, res) => {
   }
 });
 
+// Cancel a running task (stops turtle + marks cancelled)
+app.post('/api/tasks/:taskId/cancel', (req, res) => {
+  try {
+    const taskId = parseInt(req.params.taskId);
+    taskDispatcher.cancelTask(taskId);
+    res.json({ success: true });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// ========== TASK DISPATCHER ENDPOINTS ==========
+
+// Get dispatcher status
+app.get('/api/dispatcher/status', (req, res) => {
+  res.json(taskDispatcher.status());
+});
+
+// Enable/disable auto-dispatch
+app.post('/api/dispatcher/toggle', (req, res) => {
+  const { enabled } = req.body;
+  taskDispatcher.enabled = enabled !== undefined ? enabled : !taskDispatcher.enabled;
+  res.json({ enabled: taskDispatcher.enabled });
+});
+
 // ========== MINING AREA ENDPOINTS ==========
 
 // Helper to format mining area for API response
@@ -1943,6 +1968,7 @@ app.get('/api/integration/storage-status', async (req, res) => {
 // Graceful shutdown
 process.on('SIGINT', () => {
   console.log('\n🛑 Shutting down server...');
+  taskDispatcher.stop();
   db.closeDatabase();
   process.exit(0);
 });