feat: 1-to-1 message render + web data-lake backend

backend/src/utils/read/accounts.py

@@ -0,0 +1,11 @@
+import asyncpg
+
+from utils.read.models import AccountView
+
+
+async def list_accounts(pool: asyncpg.Pool) -> list[AccountView]:
+    rows = await pool.fetch(
+        "SELECT account_id, label, phone, tg_user_id, is_active FROM accounts "
+        "ORDER BY account_id"
+    )
+    return [AccountView(**dict(row)) for row in rows]