Sync from development - prepare for v0.2.0.9

jackify/backend/utils/nexus_premium_detector.py

@@ -15,29 +15,32 @@ _KEYWORD_PHRASES = (
 )
 
 
-def is_non_premium_indicator(line: str) -> bool:
+def is_non_premium_indicator(line: str) -> tuple[bool, str | None]:
     """
     Return True if the engine output line indicates a Nexus non-premium scenario.
 
     Args:
         line: Raw line emitted from the jackify-engine process.
+
+    Returns:
+        Tuple of (is_premium_error: bool, matched_pattern: str | None)
     """
     if not line:
-        return False
+        return False, None
 
     normalized = line.strip().lower()
     if not normalized:
-        return False
+        return False, None
 
     # Direct phrase detection
     for phrase in _KEYWORD_PHRASES[:6]:
         if phrase in normalized:
-            return True
+            return True, phrase
 
     # Manual download + Nexus URL implies premium requirement in current workflows.
     if "manual download" in normalized and ("nexusmods.com" in normalized or "nexus mods" in normalized):
-        return True
+        return True, "manual download + nexusmods.com"
 
-    return False
+    return False, None