Function patch

frontend/src/lib/api.ts:109–127

* Patch an existing agent with partial updates * PATCH /api/agents/{agentId}

(
    agentId: string,
    data: Record<string, unknown>,
  )

   * PATCH /api/agents/{agentId}
   */
  async patch(
    agentId: string,
    data: Record<string, unknown>,
  ): Promise<AgentResponse> {
    const response = await fetch(`${API_BASE}/agents/${agentId}`, {
      method: "PATCH",
      headers: {
        "Content-Type": "application/json",
      },
      body: JSON.stringify(data),
    });
    if (!response.ok) {
      const errorData = await response.json().catch(() => ({}));
      throw new Error(
        errorData.detail || `Failed to update agent: ${response.statusText}`,
      );
    }
    return response.json();
  },

  /**
   * Upload an image for use as agent picture