feat: init pc-monitor project

- Client: Go-based Windows hardware monitoring (CPU, GPU, memory, disk, network, power)
- Server: Go + Gin + SQLite backend with REST API
- Frontend: Vue 3 + Element Plus dashboard
- Docker deployment support
- Windows service installation script

client/reporter/http.go

@@ -0,0 +1,119 @@
+package reporter
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+)
+
+type Reporter struct {
+	serverURL string
+	token     string
+	client    *http.Client
+}
+
+func NewReporter(serverURL, token string) *Reporter {
+	return &Reporter{
+		serverURL: serverURL,
+		token:     token,
+		client: &http.Client{
+			Timeout: 10 * time.Second,
+		},
+	}
+}
+
+type RegisterRequest struct {
+	Hostname string `json:"hostname"`
+	OS       string `json:"os"`
+	IP       string `json:"ip"`
+}
+
+type RegisterResponse struct {
+	Device struct {
+		ID    string `json:"id"`
+		Token string `json:"token"`
+	} `json:"device"`
+}
+
+func (r *Reporter) Register(hostname, osName, ip string) (string, error) {
+	req := RegisterRequest{
+		Hostname: hostname,
+		OS:       osName,
+		IP:       ip,
+	}
+
+	body, err := json.Marshal(req)
+	if err != nil {
+		return "", err
+	}
+
+	resp, err := r.client.Post(r.serverURL+"/api/v1/register", "application/json", bytes.NewBuffer(body))
+	if err != nil {
+		return "", fmt.Errorf("failed to register: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		respBody, _ := io.ReadAll(resp.Body)
+		return "", fmt.Errorf("registration failed: %s", string(respBody))
+	}
+
+	var regResp RegisterResponse
+	if err := json.NewDecoder(resp.Body).Decode(&regResp); err != nil {
+		return "", err
+	}
+
+	return regResp.Device.ID, nil
+}
+
+func (r *Reporter) Report(metrics interface{}) error {
+	body, err := json.Marshal(metrics)
+	if err != nil {
+		return err
+	}
+
+	req, err := http.NewRequest("POST", r.serverURL+"/api/v1/report", bytes.NewBuffer(body))
+	if err != nil {
+		return err
+	}
+
+	req.Header.Set("Content-Type", "application/json")
+	if r.token != "" {
+		req.Header.Set("Authorization", "Bearer "+r.token)
+	}
+
+	resp, err := r.client.Do(req)
+	if err != nil {
+		return fmt.Errorf("failed to report: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		respBody, _ := io.ReadAll(resp.Body)
+		return fmt.Errorf("report failed: %s", string(respBody))
+	}
+
+	return nil
+}
+
+func (r *Reporter) Heartbeat(deviceID string) error {
+	req, err := http.NewRequest("POST", r.serverURL+"/api/v1/devices/"+deviceID+"/heartbeat", nil)
+	if err != nil {
+		return err
+	}
+
+	if r.token != "" {
+		req.Header.Set("Authorization", "Bearer "+r.token)
+	}
+
+	resp, err := r.client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	return nil
+}