fix: dry-run mock KIS validation in workflows

tools/validate_kis_api_credentials_v1.py

@@ -50,6 +50,7 @@ def main() -> int:
     ap = argparse.ArgumentParser(description="Validate KIS API credentials using the read-only quotations API.")
     ap.add_argument("--account", choices=["mock", "real"], default="mock")
     ap.add_argument("--ticker", default="005930")
+    ap.add_argument("--dry-run", action="store_true", help="Validate env wiring without calling the live KIS API.")
     ap.add_argument("--output", type=Path, default=ROOT / "Temp" / "kis_api_credentials_validation_v1.json")
     args = ap.parse_args()
 
@@ -87,10 +88,12 @@ def main() -> int:
             errors.append("domain_mismatch")
         if not evidence["env_match"]["app_key"] or not evidence["env_match"]["app_secret"]:
             errors.append("selected_env_mismatch")
-        response = get_current_price(creds, args.ticker)
-        evidence["response_keys"] = sorted(response.keys())
-        if not isinstance(response, dict) or not response:
-            errors.append("empty_response")
+        evidence["dry_run"] = bool(args.dry_run)
+        if not args.dry_run:
+            response = get_current_price(creds, args.ticker)
+            evidence["response_keys"] = sorted(response.keys())
+            if not isinstance(response, dict) or not response:
+                errors.append("empty_response")
     except Exception as exc:  # noqa: BLE001
         errors.append(str(exc))