Cron session — N+1 regression tests added to MR !1

Session goal: Strengthen MR !1 (perf/categories-n1-fix) by adding regression tests that validate the N+1 fix.

Progress log:

• 18:30 — Read project index.md, confirmed MR !1 awaiting review (N+1 fix + importer refactor)
• 18:32 — Checked DB state: 92,189 products in sqlite DB, 2 stores defined, CronJob running at 07:32 AEST
• 18:35 — Reviewed full diff of perf/categories-n1-fix branch (4 files changed, +275/-438 lines)
• 18:36 — Created tests/test_categories_n1.py with 4 regression tests:
  1. test_list_categories_function_exists — route exists
  2. test_no_per_category_count_call — no N+1 pattern (for loop + .count())
  3. test_uses_group_by_for_product_count — uses GROUP BY subquery
  4. test_no_import_time_in_products_router — clean imports
• 18:37 — Verified tests: FAIL on main (detected N+1) ✅, PASS on perf/categories-n1-fix ✅
• 18:38 — Committed test to branch: 27b3d1d and pushed to origin

Outputs:

• tests/test_categories_n1.py — 4 regression tests for categories N+1 fix
• Git commit: 27b3d1d on perf/categories-n1-fix branch, pushed to origin
• MR !1 updated with new test file: MR link

Issues / Questions:

• MR !1 still awaiting pvs review/merge. Cannot merge without browser access to GitLab UI and approval.
• CronJob smart-groceries-catalogue-scrape exists and is active (schedule: 07:32 AEST). No recent jobs found — may have completed or not yet run today.

Status: done