chore: apply Spotless formatting

.claude/settings.local.json

@@ -0,0 +1,22 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(java:*)",
+      "Bash(mvn spotless:*)",
+      "Bash(mvn clean:*)",
+      "Bash(mvn flyway:*)",
+      "mcp__context7__resolve-library-id",
+      "mcp__context7__get-library-docs",
+      "mcp__serena__activate_project",
+      "mcp__serena__check_onboarding_performed",
+      "mcp__serena__onboarding",
+      "mcp__serena__list_dir",
+      "mcp__serena__get_symbols_overview",
+      "mcp__serena__find_symbol",
+      "mcp__serena__search_for_pattern",
+      "mcp__serena__write_memory"
+    ],
+    "deny": [],
+    "ask": []
+  }
+}