feat(scada): add calibrated monitoring and incident recovery

tests/unit/test_calculation_queue_lifecycle.py

@@ -33,13 +33,12 @@ class Connection:
         return Cursor()
 
 
-def test_status_projection_excludes_result_and_expires_without_worker():
+def test_status_projection_excludes_result_and_scrubs_expired_payloads():
     connection = Connection()
     repo = CalculationJobRepository(connection, 'project')
     asyncio.run(repo.get('job'))
-    assert 'QUEUE_TIMEOUT' in connection.statements[0][0]
-    assert 'SET result=NULL' in connection.statements[1][0]
-    assert ',result FROM' not in connection.statements[2][0]
+    assert 'SET result=NULL' in connection.statements[0][0]
+    assert ',result FROM' not in connection.statements[1][0]
     asyncio.run(repo.get('job', include_result=True))
     assert ',result FROM' in connection.statements[-1][0]
 
@@ -55,6 +54,15 @@ def test_duplicate_submission_bypasses_full_queue_inside_transaction():
     assert not any('count(*)' in sql for sql, _, _ in connection.statements)
 
 
+def test_new_jobs_have_no_queue_expiry_contract():
+    connection = Connection([None, {'active': 0}, {'job_id': 'new'}])
+    asyncio.run(CalculationJobRepository(connection, 'project').enqueue(
+        owner_user_id='owner', request_key='key', tool='tool', parameters={},
+        binding={}, timeout_seconds=30))
+    insert = next(sql for sql, _, _ in connection.statements if 'INSERT INTO' in sql)
+    assert 'queue_expires_at' not in insert
+
+
 def test_capacity_rejects_new_job_before_insert():
     connection = Connection([None, {'active': 100}])
     with pytest.raises(CalculationCapacityExceeded):