chore: add diagnostic and seeding scripts

- Add script to generate bcrypt admin password hash.
- Add script to seed sample articles for local development.
- Add Kimi/Moonshot API diagnostic scripts (SDK and direct curl).

scripts/test-kimi-curl.ts

@@ -0,0 +1,37 @@
+import { getActiveKey } from '../src/lib/api-keys';
+
+async function main() {
+  const key = await getActiveKey('KIMI');
+  if (!key) {
+    console.log('No active KIMI key found');
+    return;
+  }
+
+  const model = process.env.KIMI_MODEL || 'moonshot-v1-8k';
+  const url = process.env.KIMI_API_URL || 'https://api.moonshot.cn/v1';
+
+  console.log('Key length:', key.length);
+  console.log('Key starts with:', key.slice(0, 6));
+  console.log('API URL:', url);
+  console.log('Model:', model);
+  console.log('');
+
+  const res = await fetch(`${url}/chat/completions`, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+      Authorization: `Bearer ${key}`,
+    },
+    body: JSON.stringify({
+      model,
+      messages: [{ role: 'user', content: 'Say hello' }],
+      temperature: 0.2,
+    }),
+  });
+
+  const body = await res.text();
+  console.log('Status:', res.status);
+  console.log('Body:', body);
+}
+
+main().catch(console.error);