fix: handle keychain hint and suppress pgrep spam

src/utils/errorMessages.ts

@@ -0,0 +1,39 @@
+import type { TFunction } from 'i18next';
+
+const KEYCHAIN_ERROR_CODE = 'ERR_KEYCHAIN_UNAVAILABLE';
+const KEYCHAIN_HINT_TRANSLOCATION = 'HINT_APP_TRANSLOCATION';
+const KEYCHAIN_HINT_KEYCHAIN_DENIED = 'HINT_KEYCHAIN_DENIED';
+const KEYCHAIN_HINT_SIGN_NOTARIZE = 'HINT_SIGN_NOTARIZE';
+
+const KEYCHAIN_HINT_I18N_MAP: Record<string, string> = {
+  [KEYCHAIN_HINT_TRANSLOCATION]: 'error.keychainHint.translocation',
+  [KEYCHAIN_HINT_KEYCHAIN_DENIED]: 'error.keychainHint.keychainDenied',
+  [KEYCHAIN_HINT_SIGN_NOTARIZE]: 'error.keychainHint.signNotarize',
+};
+
+function resolveKeychainMessage(hintCode: string | undefined, t: TFunction): string {
+  const base = t('error.keychainUnavailable');
+  if (!hintCode) {
+    return base;
+  }
+
+  const hintKey = KEYCHAIN_HINT_I18N_MAP[hintCode];
+  if (!hintKey) {
+    return base;
+  }
+
+  return `${base} ${t(hintKey)}`;
+}
+
+export function getLocalizedErrorMessage(error: unknown, t: TFunction): string {
+  if (error instanceof Error) {
+    const rawMessage = error.message;
+    const [code, hint] = rawMessage.split('|');
+    if (code === KEYCHAIN_ERROR_CODE) {
+      return resolveKeychainMessage(hint, t);
+    }
+    return rawMessage;
+  }
+
+  return String(error);
+}