fix: clean .secrets.baseline by removing test fixture false positives

Author: Dev Engineer

.secrets.baseline

@@ -130,9 +130,7 @@
       "pattern": [
         "\\.git/.*",
         "node_modules/.*",
-        "\\.venv/.*",
-        "\\.pytest_cache/.*",
-        "\\.ruff_cache/.*"
+        "\\.venv/.*"
       ]
     }
   ],
@@ -2268,5 +2266,5 @@
       }
     ]
   },
-  "generated_at": "2026-06-28T14:43:04Z"
+  "generated_at": "2026-06-28T15:12:18Z"
 }