fix: parse tagged local-model tool calls

test/terminal-agent.test.mjs

@@ -150,3 +150,43 @@ test('scheduled presence cannot create pending mutating actions', async () => {
   assert.equal(result.trace[0].status, 'rejected');
   assert.equal(executions, 0);
 });
+
+test('ChatML-style tagged tool calls are executed without leaking protocol text', async () => {
+  const calls = [];
+  let responseIndex = 0;
+  const responses = [
+    '<|tool_call>call:get_evidence{query:"Russia planned attack military escalation",limit:5}<tool_call|>',
+    JSON.stringify({ type: 'final', answer: 'The retrieved evidence does not confirm a specific planned attack.', confidence: 'medium', evidence: ['evt-russia'], notify: false, priority: 'routine' }),
+  ];
+  const agent = new TerminalAgent({
+    provider: {
+      isConfigured: true,
+      async complete() { return { text: responses[responseIndex++] }; },
+    },
+    registry: new TerminalToolRegistry([{
+      name: 'get_evidence',
+      handler: async args => { calls.push(args); return [{ id: 'evt-russia' }]; },
+    }]),
+  });
+
+  const result = await agent.run('Wie sieht es mit dem angeblich geplanten Angriff von Russland aus?');
+  assert.deepEqual(calls, [{ query: 'Russia planned attack military escalation', limit: 5 }]);
+  assert.equal(result.trace[0].tool, 'get_evidence');
+  assert.doesNotMatch(result.answer, /tool_call|call:get_evidence/i);
+});
+
+test('malformed tagged protocol is repaired instead of returned to the user', async () => {
+  let responseIndex = 0;
+  const responses = [
+    '<|tool_call>call:get_evidence{broken arguments}<tool_call|>',
+    JSON.stringify({ type: 'final', answer: 'I could not run the malformed tool request.', confidence: 'low', evidence: [], notify: false, priority: 'routine' }),
+  ];
+  const agent = new TerminalAgent({
+    provider: { isConfigured: true, async complete() { return { text: responses[responseIndex++] }; } },
+    registry: new TerminalToolRegistry([]),
+  });
+
+  const result = await agent.run('Check the claim');
+  assert.equal(result.answer, 'I could not run the malformed tool request.');
+  assert.doesNotMatch(result.answer, /tool_call|call:get_evidence/i);
+});