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.trae/documents/Implement Dynamic Agent API with Video and Knowledge Base Support.md

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+# Add Dynamic Agent API (Type=1) with Database Integration
+
+I will implement the Dynamic Agent feature by integrating it with the existing `agent_cards` system. Dynamic Agents will be distinguished by `type=1` and will store their extended data (videos, knowledge base) in a new linked table.
+
+## 1. Database Schema Extension
+I will create a new table `dynamic_agent_details` to store the specialized data for dynamic agents.
+*   **Table Name**: `dynamic_agent_details`
+*   **Columns**:
+    *   `id`: `SERIAL PRIMARY KEY`
+    *   `card_id`: `INTEGER` (Foreign Key linking to `agent_cards.card_id`)
+    *   `videos`: `JSONB` (Stores list of `{url, emotion}`, min 1, max 7)
+    *   `kb_id`: `VARCHAR` (Knowledge Base ID)
+    *   `kb_config`: `JSONB` (Additional Knowledge Base fields)
+    *   `created_at`: `TIMESTAMP`
+
+## 2. Code Implementation (`main.py`)
+
+### Pydantic Models
+I will define:
+*   `VideoItem`: `{url: str, emotion: str}`
+*   `DynamicAgentCreate`: Inherits/Includes fields from `AgentCard` (name, avatar, etc.) PLUS:
+    *   `videos`: List[VideoItem] (validated length 1-7)
+    *   `kb_id`: str
+    *   `kb_config`: dict
+
+### API Endpoints
+1.  **Create Dynamic Agent**
+    *   `POST /dynamic_agent/`
+    *   **Logic**:
+        1.  Insert the base agent info into `agent_cards` with `type=1` and `RETURNING card_id`.
+        2.  Insert the extended info (videos, kb details) into `dynamic_agent_details` using the returned `card_id`.
+        3.  Return the new `card_id`.
+
+2.  **Get Dynamic Agent Details**
+    *   `GET /dynamic_agent/{card_id}`
+    *   **Logic**:
+        1.  Fetch base info from `agent_cards`.
+        2.  Fetch extended info from `dynamic_agent_details`.
+        3.  Return combined result.
+
+### Helper Functions
+*   `init_dynamic_agent_db()`: Checks/Creates the `dynamic_agent_details` table on startup.
+
+## 3. Verification
+*   Create a dynamic agent via the new API.
+*   Verify it appears in the `agent_cards` table (as type 1).
+*   Verify extended data is in `dynamic_agent_details`.