🔧 chore(constants): add gpt-5 to reasoning model hints

Author: Jannchie

tgit/constants.py

@@ -1,4 +1,4 @@
 """Global constants used across the TGIT project."""
 
 DEFAULT_MODEL = "gpt-5-mini"
-REASONING_MODEL_HINTS = ("-reasoning", "o1", "o3")
+REASONING_MODEL_HINTS = ("-reasoning", "o1", "o3", "gpt-5")