Bump version to v2.6.3

Author: MeXenon

codex-md.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 """
-Codex Session Manager & Markdown Converter  (v2.6.2)
+Codex Session Manager & Markdown Converter  (v2.6.3)
 -------------------------------------------------
 An interactive tool to browse, filter, and convert OpenAI Codex
 session logs (.jsonl) into readable Markdown documents.
@@ -1565,7 +1565,7 @@ def group_by_project(records: List[SessionRecord]) -> List[Dict]:
 
 def print_menu_header():
     os.system('cls' if os.name == 'nt' else 'clear')
-    print(f"\n{Style.BOLD}CODEX SESSION MANAGER{Style.RESET}  {Style.DIM}v2.6.2{Style.RESET}")
+    print(f"\n{Style.BOLD}CODEX SESSION MANAGER{Style.RESET}  {Style.DIM}v2.6.3{Style.RESET}")
     print(f"{Style.DIM}Directory: {SESSIONS_DIR}{Style.RESET}")
     print(f"{Style.DIM}Default output: {script_directory()}{Style.RESET}\n")