diff --git a/core/downloads/task_worker.py b/core/downloads/task_worker.py
index 1e27cbc4..71e49933 100644
--- a/core/downloads/task_worker.py
+++ b/core/downloads/task_worker.py
@@ -19,7 +19,6 @@ a large web_server.py helper that will get its own lift in subsequent PRs.
 
 from __future__ import annotations
 
-import logging
 import re
 import traceback
 from dataclasses import dataclass
@@ -27,8 +26,13 @@ from typing import Any, Callable, Optional
 
 from core.runtime_state import download_batches, download_tasks, tasks_lock
 from core.spotify_client import Track as SpotifyTrack
+from utils.logging_config import get_logger
 
-logger = logging.getLogger(__name__)
+# Must live under the soulsync.* namespace — handlers only attach there. The
+# old bare getLogger(__name__) ("core.downloads.task_worker") had no handler,
+# so the entire [Modal Worker] story — search queries, retry walks, candidate
+# decisions — never reached app.log.
+logger = get_logger("downloads.task_worker")
 
 
 def _resolve_worker_source(username):
diff --git a/core/imports/version_mismatch_fallback.py b/core/imports/version_mismatch_fallback.py
index 7eaab479..3e0ef92d 100644
--- a/core/imports/version_mismatch_fallback.py
+++ b/core/imports/version_mismatch_fallback.py
@@ -26,11 +26,16 @@ quarantine store + re-import dispatch via injected callables.
 
 from __future__ import annotations
 
-import logging
 import re
 from typing import Any, Callable, Dict, List, Optional
 
-logger = logging.getLogger(__name__)
+from utils.logging_config import get_logger
+
+# Must live under the soulsync.* namespace — handlers only attach there, so a
+# bare getLogger(__name__) sent every line (including the critical "accepting
+# best quarantined candidate as last resort" warning) into the void instead of
+# app.log. Same bug class as the prepare.py fix.
+logger = get_logger("imports.version_fallback")
 
 # Matches the reason string written by acoustid_verification's version gate:
 #   "Version mismatch: expected '<title>' (<exp>) but file is '<title>' (<got>)"
diff --git a/tests/test_script_split_integrity.py b/tests/test_script_split_integrity.py
index c1a628e1..876f4d58 100644
--- a/tests/test_script_split_integrity.py
+++ b/tests/test_script_split_integrity.py
@@ -52,7 +52,7 @@ SPLIT_MODULES = [
 
 # Other JS files that exist in static/ but are NOT part of the split
 NON_SPLIT_JS = {"setup-wizard.js", "docs.js", "helper.js", "particles.js", "worker-orbs.js",
-                "enrichment-manager.js"}
+                "enrichment-manager.js", "origin-history.js"}
 
 # Pre-existing duplicate helper functions that lived in the original monolith.
 # In a plain <script> context the last-loaded declaration wins.  These are NOT
@@ -216,8 +216,10 @@ class TestOnclickCoverage:
             text = _read(_STATIC / module)
             self.all_fns.update(_all_function_decls(text))
 
-        # Also include non-split JS files that are loaded
-        for extra in ("setup-wizard.js", "docs.js", "helper.js", "enrichment-manager.js"):
+        # Also include non-split JS files that are loaded — driven by the
+        # NON_SPLIT_JS registry so a newly added standalone module can't be
+        # silently missing from onclick coverage (origin-history.js was).
+        for extra in sorted(NON_SPLIT_JS):
             path = _STATIC / extra
             if path.exists():
                 self.all_fns.update(_all_function_decls(_read(path)))