From 97626ec2c4b16eb87b595b847a019a928d89cf2f Mon Sep 17 00:00:00 2001
From: qzl <qzl@example.com>
Date: Mon, 2 Mar 2026 15:31:20 +0800
Subject: [PATCH] feat(models): add UserAgentCatalog model

---
 backend/src/models/__init__.py           |  2 ++
 backend/src/models/user_agent_catalog.py | 30 ++++++++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 backend/src/models/user_agent_catalog.py

diff --git a/backend/src/models/__init__.py b/backend/src/models/__init__.py
index e6f6bbc..ef32387 100644
--- a/backend/src/models/__init__.py
+++ b/backend/src/models/__init__.py
@@ -16,6 +16,7 @@ from models.schedule_subscriptions import ScheduleSubscription
 from models.todos import Todo
 from models.todo_sources import TodoSource
 from models.user_agents import UserAgent
+from models.user_agent_catalog import UserAgentCatalog
 
 __all__ = [
     "AgentChatMessage",
@@ -35,4 +36,5 @@ __all__ = [
     "Todo",
     "TodoSource",
     "UserAgent",
+    "UserAgentCatalog",
 ]
diff --git a/backend/src/models/user_agent_catalog.py b/backend/src/models/user_agent_catalog.py
new file mode 100644
index 0000000..0791e87
--- /dev/null
+++ b/backend/src/models/user_agent_catalog.py
@@ -0,0 +1,30 @@
+from __future__ import annotations
+
+from sqlalchemy import ForeignKey, String
+from sqlalchemy.dialects.postgresql import JSONB, UUID
+from sqlalchemy.orm import Mapped, mapped_column
+
+from core.db.base import Base, TimestampMixin
+
+
+class UserAgentCatalog(TimestampMixin, Base):
+    __tablename__: str = "user_agent_catalog"
+
+    agent_type: Mapped[str] = mapped_column(
+        String(20),
+        primary_key=True,
+    )
+    llm_id: Mapped[str] = mapped_column(
+        UUID(as_uuid=True),
+        ForeignKey("llms.id", ondelete="RESTRICT"),
+        nullable=False,
+    )
+    status: Mapped[str] = mapped_column(
+        String(20),
+        nullable=False,
+    )
+    config: Mapped[dict] = mapped_column(
+        JSONB,
+        nullable=False,
+        server_default="{}",
+    )