refactor(backend): split stream routes into focused modules

Backend/routes/streams/list.ts

@@ -0,0 +1,37 @@
+import { and, desc, eq, or } from 'drizzle-orm';
+import { Router } from 'express';
+
+import { db } from '../../db/client';
+import { streamSessions } from '../../db/schema';
+import { requireDeviceAuth } from '../../middleware/device-auth';
+import { listSchema } from './schemas';
+import { ensureStreamDeviceAuth } from './shared';
+
+const router = Router();
+
+router.get('/me/list', requireDeviceAuth, async (req, res) => {
+  const parsed = listSchema.safeParse(req.query);
+
+  if (!parsed.success) {
+    res.status(400).json({ message: 'Invalid query params', errors: parsed.error.flatten() });
+    return;
+  }
+
+  const deviceAuth = ensureStreamDeviceAuth(req, res);
+  if (!deviceAuth) return;
+
+  const sessions = await db.query.streamSessions.findMany({
+    where: and(
+      eq(streamSessions.ownerUserId, deviceAuth.userId),
+      or(eq(streamSessions.requesterDeviceId, deviceAuth.deviceId), eq(streamSessions.cameraDeviceId, deviceAuth.deviceId)),
+    ),
+    orderBy: [desc(streamSessions.createdAt)],
+    limit: parsed.data.limit,
+  });
+
+  const filtered = parsed.data.status ? sessions.filter((session) => session.status === parsed.data.status) : sessions;
+
+  res.json({ count: filtered.length, streamSessions: filtered });
+});
+
+export default router;