feat: eslint 적용 및 관련 코드 일괄 수정

docs/architecture/legacy-engine-constraints.md

@@ -21,8 +21,8 @@ Constraints declare required inputs using bit flags:
 - `REQ_GENERAL`, `REQ_CITY`, `REQ_NATION`
 - `REQ_DEST_GENERAL`, `REQ_DEST_CITY`, `REQ_DEST_NATION`
 - `REQ_ARG` with typed sub-flags:
-  - `REQ_STRING_ARG`, `REQ_INT_ARG`, `REQ_NUMERIC_ARG`, `REQ_BOOLEAN_ARG`,
-    `REQ_ARRAY_ARG`, `REQ_BACKED_ENUM_ARG`
+    - `REQ_STRING_ARG`, `REQ_INT_ARG`, `REQ_NUMERIC_ARG`, `REQ_BOOLEAN_ARG`,
+      `REQ_ARRAY_ARG`, `REQ_BACKED_ENUM_ARG`
 
 `Constraint::checkInputValues()` enforces these expectations and throws if
 inputs are missing or malformed.
@@ -51,7 +51,6 @@ Constraints are organized by domain:
 
 Each constraint sets a failure reason string used by UI and logs.
 
-
 ## Rewrite References
 
 Rewrite constraint contracts and runtime split details live in