Improved model response handling to handle additional response statuses in future

Improved testgen; encourages follow-ups with less work in between and less token generation to avoid surpassing the 25K barrier
Improved coderevew tool to request a focused code review instead where a single-pass code review is too large or complex

tests/test_testgen.py

@@ -284,7 +284,7 @@ class TestComprehensive(unittest.TestCase):
 
         # Check formatting includes new action-oriented next steps
         assert raw_response in formatted
-        assert "IMMEDIATE ACTION REQUIRED" in formatted
+        assert "IMMEDIATE NEXT ACTION" in formatted
         assert "ULTRATHINK" in formatted
         assert "CREATE" in formatted
         assert "VALIDATE BY EXECUTION" in formatted