chore: establish Strategy Lab source baseline (development, not release)

1 files changed, 15 insertions, 0 deletions

diff --git a/frontend/src/lib/state.ts b/frontend/src/lib/state.ts
new file mode 100644
index 0000000..3beb2c0
--- /dev/null
+++ b/frontend/src/lib/state.ts
@@ -0,0 +1,15 @@
+import type { ApiError } from './api';
+
+export function extractStatusMessage(err: unknown): string {
+  const e = err as Partial<ApiError>;
+  if (e && typeof e.status === 'number') {
+    return `联网出错：HTTP ${e.status} ${e.message ?? ''}`.trim();
+  }
+  if (e && e.message) return `出错：${e.message}`;
+  return '出错：未知错误，请稍后再试';
+}
+
+export function statusByName(err: unknown): string {
+  const code = (err as Partial<ApiError>)?.code ?? '';
+  return code;
+}