Enhancement: Improve matching for correspondents, storage path and labels by removing bias + adding minimum match threshold (#12164)

src/paperless/settings/__init__.py

@@ -96,6 +96,13 @@ MODEL_FILE = get_path_from_env(
     "PAPERLESS_MODEL_FILE",
     DATA_DIR / "classification_model.pickle",
 )
+
+# Minimum confidence (0.0-1.0) for the ML classifier to assign a correspondent,
+# document type, or storage path. 0.0 disables the threshold.
+CLASSIFIER_MATCH_THRESHOLD: Final[float] = get_float_from_env(
+    "PAPERLESS_CLASSIFIER_MATCH_THRESHOLD",
+    0.6,
+)
 LLM_INDEX_DIR = DATA_DIR / "llm_index"
 LLM_INDEX_LOCK = LLM_INDEX_DIR / "index.lock"
 # Cross-process read/write lock guarding the LLM index compaction/migration