feat: check source links during scheduled fetches

apps/api/tests/test_community_importer.py

@@ -9,7 +9,7 @@ from sqlalchemy.orm import Session
 
 from app.community_importer import CommunityImportError, stage_observations
 from app.community_review import ExternalReviewError, map_observation, publish_observation, suggest_aliases
-from app.source_lifecycle import record_source_check
+from app.source_lifecycle import record_scheduled_source_check, record_source_check
 from app.database import Base
 from app.models import CatchReport, DataSource, ExternalEntityAlias, ExternalObservation, Fish, Waterbody
 from rf4_research.community_sources import parse_rf4db_catches, parse_rf4map_point, parse_rf4posts_spot
@@ -186,6 +186,35 @@ def test_non_authoritative_source_failures_do_not_withdraw(db: Session, status:
     assert item.source_check_status == status
 
 
+def test_scheduled_failure_only_affects_exact_source_url(db: Session) -> None:
+    stage_observations(db, [
+        record(external_id="matching"),
+        record(external_id="other") | {"source_url": "https://rf4db.com/catches/other"},
+    ])
+
+    affected = record_scheduled_source_check(
+        db,
+        source_system="rf4db",
+        source_url="https://rf4db.com/ru/catches/matching",
+        status="missing",
+    )
+    items = {item.source_external_id: item for item in db.scalars(select(ExternalObservation))}
+
+    assert affected == 1
+    assert items["matching"].status == "withdrawn"
+    assert items["other"].status != "withdrawn"
+    assert items["other"].source_check_status == "available"
+
+    record_scheduled_source_check(
+        db,
+        source_system="rf4db",
+        source_url="https://rf4db.com/ru/catches/matching",
+        status="available",
+    )
+    assert items["matching"].source_check_status == "available"
+    assert items["matching"].status == "withdrawn"
+
+
 def test_auto_publication_requires_enabled_source(db: Session) -> None:
     source = DataSource(key="rf4db", name="RF4DB", base_url="https://rf4db.com", default_confidence=70, enabled=False)
     fish = Fish(slug="pike", name_ru="Щука")