fix: restore code fence language tag in LIFECYCLE.md

Co-Authored-By: Oz <oz-agent@warp.dev>

Author: tbitcs

docs/governance/LIFECYCLE.md

@@ -16,7 +16,7 @@ This project follows the 7-phase Applied Epistemic Engineering (AEE) development
 
 ## Phase Flow
 
-```  ext
+```	ext
 inception → architecture → requirements → test_spec → implementation → verification → release
                                                                                         ↓
                                                                                   (next cycle)