Improve logging and comments

Author: sahilds1

server/api/services/embedding_services.py

@@ -2,7 +2,7 @@
 import logging
 from statistics import median
 
-# Django filter() only does ADD logic
+# Use Q objects to express OR conditions in Django queries
 from django.db.models import Q
 from pgvector.django import L2Distance
 
@@ -146,8 +146,8 @@ def log_usage(
                 median_distance=None,
                 min_distance=None,
             )
-    except Exception as e:
-        logger.error(f"Failed to create semantic search usage database record: {e}")
+    except Exception:
+        logger.exception("Failed to create semantic search usage database record")
 
 
 def get_closest_embeddings(

server/api/services/test_embedding_services.py

@@ -26,7 +26,7 @@
 # ---------------------------------------------------------------------------
 
 # Only forwarded to L2Distance
-EMBEDDING_VECTOR = [0.1, 0.2, 0.3]  
+EMBEDDING_VECTOR = [0.1, 0.2, 0.3]
 
 # Test authenticated/unauthenticated user access control
 

server/balancer_backend/settings.py

@@ -254,27 +254,27 @@
 
 # Logging configuration
 
-# LOGGING = {
-#     "version": 1,
-#     "disable_existing_loggers": False,
-#     "formatters": {
-#         "verbose": {
-#             "format": "{levelname} {asctime} {module} {process:d} {thread:d} {message}",
-#             "style": "{",
-#         },
-#         "simple": {
-#             "format": "{levelname} {message}",
-#             "style": "{",
-#         },
-#     },
-#     "handlers": {
-#         "console": {
-#             "class": "logging.StreamHandler",
-#             "formatter": "verbose",
-#         },
-#     },
-#     "root": {
-#         "handlers": ["console"],
-#         "level": "INFO",
-#     },
-# }
+LOGGING = {
+    "version": 1,
+    "disable_existing_loggers": False,
+    "formatters": {
+        "verbose": {
+            "format": "{levelname} {asctime} {module} {process:d} {thread:d} {message}",
+            "style": "{",
+        },
+        "simple": {
+            "format": "{levelname} {message}",
+            "style": "{",
+        },
+    },
+    "handlers": {
+        "console": {
+            "class": "logging.StreamHandler",
+            "formatter": "verbose",
+        },
+    },
+    "root": {
+        "handlers": ["console"],
+        "level": "INFO",
+    },
+}