update tests and api spec

changedetectionio/tests/test_api.py

@@ -374,6 +374,9 @@ def test_roundtrip_API(client, live_server, measure_memory_usage, datastore_path
     watch['last_changed'] = 454444444444
     watch['date_created'] = 454444444444
 
+    # Exercise the new extract_lines_containing field
+    watch['extract_lines_containing'] = ['celsius', 'temperature']
+
     # HTTP PUT ( UPDATE an existing watch )
     res = client.put(
         url_for("watch", uuid=uuid),
@@ -397,6 +400,9 @@ def test_roundtrip_API(client, live_server, measure_memory_usage, datastore_path
     assert date_created != 454444444444
     assert date_created != "454444444444"
 
+    assert res.json.get('extract_lines_containing') == ['celsius', 'temperature'], \
+        "extract_lines_containing should be persisted and returned via API"
+
 
 def test_access_denied(client, live_server, measure_memory_usage, datastore_path):
     # `config_api_token_enabled` Should be On by default

docs/api-spec.yaml

@@ -460,6 +460,13 @@ components:
             maxLength: 5000
           maxItems: 100
           description: Text that should NOT be present (triggers alert if found)
+        extract_lines_containing:
+          type: array
+          items:
+            type: string
+            maxLength: 5000
+          maxItems: 100
+          description: Keep only lines containing these substrings (plain text, case-insensitive) — simpler alternative to regex
         extract_text:
           type: array
           items: