Automate checklist-backend updates

app/infrastructure/settings.py

@@ -190,11 +190,21 @@ UPLOAD_AUTORUN = _bool("UPLOAD_AUTORUN", "true")
 # exists to avoid - stage 6 is the slowest stage and reaches the network, but
 # only one batch runs at a time so nothing else is competing with it.
 #
-# LLM OFF, because `use_llm` gates only description generation in
-# stage_2_row_intake, and production runs USE_OLLAMA=false: turning it on there
-# buys nothing and costs a connection timeout per row.
+# LLM ON. `use_llm` gates only description generation in stage_2_row_intake, and
+# in production it is currently a no-op: USE_OLLAMA is false there, so
+# ollama_service._ensure_client() returns on its first line without a request
+# and the row simply keeps its blank description. It is set true so the pipeline
+# is already configured correctly for the day an Ollama server exists.
+#
+# This default USED to be false, on the grounds that turning it on "costs a
+# connection timeout per row". That was true, and it was about the OTHER branch
+# of _ensure_client - USE_OLLAMA=true with nothing listening, which is any
+# developer machine that has not run `ollama serve`. It is answered now by the
+# TTL cache on that probe rather than by leaving the feature off: one probe per
+# batch instead of one per row. Do not remove that cache and this default
+# together without re-reading why both exist.
 UPLOAD_AUTORUN_FETCH_IMAGES = _bool("UPLOAD_AUTORUN_FETCH_IMAGES", "true")
-UPLOAD_AUTORUN_USE_LLM = _bool("UPLOAD_AUTORUN_USE_LLM", "false")
+UPLOAD_AUTORUN_USE_LLM = _bool("UPLOAD_AUTORUN_USE_LLM", "true")
 
 # --- Review inbox ----------------------------------------------------------
 # The bound that applies only when UPLOAD_AUTORUN is false. Files then wait in