Feature Elimination backend

requirements.txt

@@ -44,12 +44,19 @@ httpx>=0.27.2
 # you can skip everything below this line.
 # Retry/backoff for the barcode enrichment sources
 # (app/services/enrichment/barcode/retry.py). This is NOT an optional extra:
-# retry.py imports it at module scope, and that module is reached from
-# app/main.py's own import of the store_catalog router - so a missing tenacity
-# is not a degraded feature, it is the container exiting 1 on boot with
-# ModuleNotFoundError before uvicorn ever binds a socket. Swarm then restarts
-# it, and each restart re-runs ~21s of pandas/scipy/sklearn imports, which on a
-# 1-vCPU host reads as pinned-at-100% CPU rather than as a crash.
+# retry.py imports it at module scope, and that module is reached at BOOT, via
+#   app/main.py -> routers/{uploads,batch_catalog} -> api/batch_common
+#     -> core/store_catalog_pipeline -> enrichment/barcode/retry
+# so a missing tenacity is not a degraded feature, it is the container exiting 1
+# on boot with ModuleNotFoundError before uvicorn ever binds a socket. Swarm
+# then restarts it, and each restart re-runs ~21s of pandas/scipy/sklearn
+# imports, which on a 1-vCPU host reads as pinned-at-100% CPU rather than as a
+# crash.
+#
+# This note used to name the store_catalog router as the importer. That router
+# was deleted with the Store Catalog Ingestion tab; the chain above is the one
+# that survives, and it runs through every remaining ingestion route. Re-check
+# it here before ever concluding this dependency has become unused.
 tenacity>=8.2.3
 
 beautifulsoup4>=4.12.3