Add utilization diagnostics and correction ledger

internal/cli/subprocess_test_hooks.go

@@ -22,18 +22,22 @@ const (
 // ConfigureSubprocessTestHooksFromEnv enables deterministic test-only hooks for
 // subprocess integration tests that run through the Go test binary helper path.
 func ConfigureSubprocessTestHooksFromEnv() {
+	mode := strings.TrimSpace(os.Getenv(subprocessTestLLMModeEnv))
+	timeoutMSRaw := strings.TrimSpace(os.Getenv(subprocessTestRunTimeoutMSEnv))
+	// Only activate in explicit subprocess test mode.
+	if mode == "" && timeoutMSRaw == "" {
+		return
+	}
 	if !shouldUseNoOpLLMClientForTests() {
 		return
 	}
 
-	mode := strings.TrimSpace(os.Getenv(subprocessTestLLMModeEnv))
 	if mode != "" {
 		client := &subprocessTestLLMClient{mode: mode}
 		processProposalLLMClient = client
 		processValidationLLMClient = client
 	}
 
-	timeoutMSRaw := strings.TrimSpace(os.Getenv(subprocessTestRunTimeoutMSEnv))
 	if timeoutMSRaw == "" {
 		return
 	}