feat: add OperationSetting component and integrate into settings page

- Introduced OperationSetting component for managing agent configurations.
- Updated settings page to include a new tab for operation settings.
- Implemented functionality to fetch and update agent parameters such as heartbeat interval, sync interval, and auto-update settings.

docs: enhance deployment documentation for agent installation

- Added detailed instructions for agent installation using a script.
- Included examples for using discovery and agent tokens.
- Updated sections on global discovery tokens and agent auto-update features.

docs: revise design and development guidelines for V3

- Updated design document to reflect the current state and goals for V3.
- Clarified development guidelines to focus on operational experience improvements.

ci: add GitHub Actions workflow for agent releases

- Created a new workflow to automate the release of agent binaries on GitHub.
- Configured the workflow to build binaries for multiple platforms and publish them as releases.

feat: implement self-update mechanism for agent

- Added updater module to handle checking for and applying updates from GitHub releases.
- Implemented logic to restart the agent after a successful update.

chore: create install script for agent deployment

- Developed a bash script to facilitate the installation of the ATSFlare agent.
- The script supports automatic configuration and systemd service creation.

atsf_agent/internal/httpclient/client.go

@@ -42,8 +42,15 @@ func (c *Client) RegisterNode(ctx context.Context, payload protocol.NodePayload)
 	return &resp.Data, nil
 }
 
-func (c *Client) Heartbeat(ctx context.Context, payload protocol.NodePayload) error {
-	return c.postJSON(ctx, "/api/agent/nodes/heartbeat", payload, nil)
+func (c *Client) Heartbeat(ctx context.Context, payload protocol.NodePayload) (*protocol.AgentSettings, error) {
+	resp := protocol.HeartbeatAPIResponse{}
+	if err := c.postJSON(ctx, "/api/agent/nodes/heartbeat", payload, &resp); err != nil {
+		return nil, err
+	}
+	if !resp.Success {
+		return nil, errors.New(resp.Message)
+	}
+	return resp.AgentSettings, nil
 }
 
 func (c *Client) GetActiveConfig(ctx context.Context) (*protocol.ActiveConfigResponse, error) {