fix: resolve eslint errors and apply formatting to match shared config

Auto-fix import ordering, quote style, and indentation via eslint --fix
and prettier --write. Remove unused variable in NodesPage and PodsPage.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.claude/settings.local.json

@@ -3,7 +3,14 @@
     "allow": [
       "Bash(done)",
       "Bash(npm install:*)",
-      "Bash(git add:*)"
+      "Bash(git add:*)",
+      "Bash(git commit:*)",
+      "Bash(git push:*)",
+      "Bash(gh workflow:*)",
+      "Bash(gh run:*)",
+      "Bash(npm run:*)",
+      "Bash(npm ci:*)",
+      "Bash(npm test:*)"
     ]
   },
   "enabledMcpjsonServers": [