feat: run matcher after successful scrape; failures don't flip scrape status

backend/app/services/scraper_service.py

@@ -86,6 +86,12 @@ def _run_scrape_in_background(
             log.duration_seconds = int(
                 (log.completed_at - log.started_at).total_seconds()
             )
+            try:
+                from app.services.matcher import run_match_job
+                run_match_job(db, source_filter="lucky_california")
+            except Exception as e:  # matcher failure must not flip scrape to FAILED
+                import logging
+                logging.exception("matcher failed after successful scrape: %s", e)
             db.commit()
             logger.info(
                 "Background scrape %s complete: %s/%s items saved",

backend/tests/test_match_hook.py

@@ -0,0 +1,79 @@
+import pytest
+
+pytestmark = pytest.mark.requires_postgres
+
+
+def test_run_match_job_persists_top_matches(monkeypatch):
+    """End-to-end: seed Ingredient + GroceryItem rows, run the matcher,
+    verify ingredient_grocery_match rows exist with confidence >= 0.75.
+    """
+    from datetime import datetime, timezone
+    from decimal import Decimal
+    from uuid import uuid4
+
+    from app.database import SessionLocal
+    from app.models import (
+        GroceryItem,
+        Ingredient,
+        IngredientGroceryMatch,
+        IngredientMatchSource,
+    )
+    from app.services.matcher import run_match_job
+
+    setup = SessionLocal()
+    ing_id = uuid4()
+    grocery_id = uuid4()
+    try:
+        setup.add(
+            Ingredient(
+                id=ing_id,
+                name="Zorblax Fizzberry Test",
+                name_lower="zorblax fizzberry test",
+                aliases=["zorblax fizzberry"],
+                aisle="meat",
+                unit="lb",
+            )
+        )
+        setup.add(
+            GroceryItem(
+                id=grocery_id,
+                name="Zorblax Fizzberry Family Pack",
+                source="lucky_california",
+                external_id="ext-test-1",
+                current_price=Decimal("3.99"),
+                regular_price=Decimal("5.49"),
+                is_on_sale=True,
+                scraped_at=datetime.now(timezone.utc),
+            )
+        )
+        setup.commit()
+    finally:
+        setup.close()
+
+    work = SessionLocal()
+    try:
+        written = run_match_job(work)
+        assert written >= 1
+        rows = (
+            work.query(IngredientGroceryMatch)
+            .filter(IngredientGroceryMatch.ingredient_id == ing_id)
+            .all()
+        )
+        assert any(
+            r.grocery_item_id == grocery_id
+            and r.confidence >= Decimal("0.750")
+            and r.source == IngredientMatchSource.AUTO
+            for r in rows
+        )
+    finally:
+        cleanup = SessionLocal()
+        try:
+            cleanup.query(IngredientGroceryMatch).filter(
+                IngredientGroceryMatch.ingredient_id == ing_id
+            ).delete()
+            cleanup.query(GroceryItem).filter(GroceryItem.id == grocery_id).delete()
+            cleanup.query(Ingredient).filter(Ingredient.id == ing_id).delete()
+            cleanup.commit()
+        finally:
+            cleanup.close()
+        work.close()