feat: ship deterministic parser and lifecycle release

tools/execution-guard.test.mjs

@@ -29,3 +29,52 @@ test('failures after the write boundary become uncertain', () => {
   assert.equal(guard.failureState({ state: 'submitted' }), 'uncertain');
   assert.equal(guard.rootTaskId('TASK-1#2'), 'TASK-1');
 });
+
+test('an explicit network-before-submit block is safe to classify as no ERP write', () => {
+  const report = {
+    status: 'live_submit_blocked',
+    execution_phase: 'prewrite_blocked',
+    write_attempted: false,
+    no_erp_write: true,
+    submit_safety: { live_submit_attempted: false },
+    native_request: null,
+    server_response: null,
+    requery: null,
+    side_effects: [],
+    ajax_records: [{ prevented_from_network: true, network_request_attempted: false }]
+  };
+  assert.equal(guard.confirmedPrewriteNoErpWrite(report), true);
+  assert.equal(guard.confirmedPrewriteNoErpWrite({ ...report, write_attempted: true }), false);
+  assert.equal(guard.confirmedPrewriteNoErpWrite({
+    ...report,
+    ajax_records: [{ prevented_from_network: false, network_request_attempted: true }]
+  }), false);
+  assert.equal(guard.confirmedPrewriteNoErpWrite({ ...report, side_effects: { unknown: true } }), false);
+});
+
+test('local extension history stays bounded without pruning active or uncertain roots', () => {
+  const tasks = {};
+  const results = {};
+  const executions = {};
+  for (let index = 1; index <= 6; index += 1) {
+    const taskId = `TASK-${index}`;
+    const updatedAt = `2026-08-${String(index).padStart(2, '0')}T00:00:00.000Z`;
+    tasks[taskId] = { task_id: taskId, updated_at: updatedAt };
+    results[taskId] = { status: 'completed', updated_at: updatedAt };
+    executions[taskId] = { state: 'completed', updated_at: updatedAt };
+  }
+  executions['TASK-1'] = { state: 'running', updated_at: '2026-08-01T00:00:00.000Z' };
+  results['TASK-2'] = { status: 'execution_uncertain', updated_at: '2026-08-02T00:00:00.000Z' };
+  tasks['TASK-6#1'] = { task_id: 'TASK-6#1', updated_at: '2026-08-06T00:00:01.000Z' };
+  results['TASK-6#1'] = { status: 'completed', updated_at: '2026-08-06T00:00:01.000Z' };
+
+  const pruned = guard.pruneLocalTaskHistory(
+    { tasks, results, executions, timingStates: {} },
+    { currentTaskId: 'TASK-3', terminalRootLimit: 2 }
+  );
+
+  assert.deepEqual(Object.keys(pruned.results).sort(), ['TASK-1', 'TASK-2', 'TASK-3', 'TASK-5', 'TASK-6', 'TASK-6#1']);
+  assert.equal(pruned.counters.protected_root_count, 3);
+  assert.equal(pruned.counters.removed_root_count, 1);
+  assert.equal(pruned.counters.removed_result_count, 1);
+});