refactor(quota): modularize QuotaPage into separate section components

src/utils/quota/validators.ts

@@ -0,0 +1,36 @@
+/**
+ * Validation and type checking functions for quota management.
+ */
+
+import type { AuthFileItem } from '@/types';
+import { GEMINI_CLI_IGNORED_MODEL_PREFIXES } from './constants';
+
+export function resolveAuthProvider(file: AuthFileItem): string {
+  const raw = file.provider ?? file.type ?? '';
+  return String(raw).trim().toLowerCase();
+}
+
+export function isAntigravityFile(file: AuthFileItem): boolean {
+  return resolveAuthProvider(file) === 'antigravity';
+}
+
+export function isCodexFile(file: AuthFileItem): boolean {
+  return resolveAuthProvider(file) === 'codex';
+}
+
+export function isGeminiCliFile(file: AuthFileItem): boolean {
+  return resolveAuthProvider(file) === 'gemini-cli';
+}
+
+export function isRuntimeOnlyAuthFile(file: AuthFileItem): boolean {
+  const raw = file['runtime_only'] ?? file.runtimeOnly;
+  if (typeof raw === 'boolean') return raw;
+  if (typeof raw === 'string') return raw.trim().toLowerCase() === 'true';
+  return false;
+}
+
+export function isIgnoredGeminiCliModel(modelId: string): boolean {
+  return GEMINI_CLI_IGNORED_MODEL_PREFIXES.some(
+    (prefix) => modelId === prefix || modelId.startsWith(`${prefix}-`)
+  );
+}