feat(system): add system status and software info endpoints

Add new endpoints to expose system status and software information:
- /system/getStatus returns current system status (online/offline)
- /system/getSoftwareInfo returns software version and build details
Update API documentation to include new endpoints

docs/api.md

@@ -23,11 +23,73 @@ All API responses are returned in JSON format:
 - For all requests: Authentication token and timestamp are sent in HTTP headers (prefixed with `X-`)
 - For **POST** requests: Other data is sent in the request body as JSON
 - For **GET** requests: All data is sent in HTTP headers (prefixed with `X-`)
-- All requests require authentication (except `/register` and `/login`)
+- All requests require authentication (except `/register`, `/login`, `/system/getStatus`, `/system/getSoftwareInfo`)
 - Timestamps are in milliseconds (Unix timestamp)
 
 ---
 
+## Get System Status
+
+**Endpoint:** `/system/getStatus`  
+**Method:** GET  
+**Auth Required:** No  
+**Permission Level:** None
+
+Get the current system status.
+
+**Response:**
+```json
+{
+  "success": true,
+  "message": "getStatus",
+  "data": {
+    "Status": "Online"
+  }
+}
+```
+
+| Field | Type | Description |
+|-------|------|-------------|
+| Status | string | System status: "Online" or "Offline" |
+
+---
+
+## Get Software Info
+
+**Endpoint:** `/system/getSoftwareInfo`  
+**Method:** GET  
+**Auth Required:** No  
+**Permission Level:** None
+
+Get software version and build information.
+
+**Response:**
+```json
+{
+  "success": true,
+  "message": "getSoftwareInfo",
+  "data": {
+    "Name": "Super-frpc",
+    "Version": "0.0.1",
+    "Developer": "Madobi Nanami",
+    "BuildVer": 1,
+    "Description": "",
+    "BuildType": "debug"
+  }
+}
+```
+
+| Field | Type | Description |
+|-------|------|-------------|
+| Name | string | Software name |
+| Version | string | Software version |
+| Developer | string | Developer name |
+| BuildVer | int16 | Build version number |
+| Description | string | Software description |
+| BuildType | string | Build type: "debug" or "release" |
+
+---
+
 ## Register User
 
 **Endpoint:** `/register`  

main.go

@@ -20,10 +20,17 @@ type SoftwareInfo struct {
 	BuildType   string
 }
 
+var softwareInfo SoftwareInfo
+
+type StatusInfo struct {
+	Status string
+}
+
 var isDebug bool
+var isOnline bool
 
 func main() {
-	softwareInfo := SoftwareInfo{
+	softwareInfo = SoftwareInfo{
 		Name:      "Super-frpc",
 		Version:   "0.0.1",
 		Developer: "Madobi Nanami",
@@ -85,6 +92,7 @@ func main() {
 		if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
 			postLog.Fatal(fmt.Sprintf("Failed to start server: %v", err))
 		}
+		isOnline = true
 	}()
 
 	go func() {
@@ -116,3 +124,17 @@ func main() {
 
 	postLog.Info("Server stopped")
 }
+
+func GetStatusHandler(w http.ResponseWriter, r *http.Request) {
+	statusInfo := StatusInfo{
+		Status: "Online",
+	}
+	if !isOnline {
+		statusInfo.Status = "Offline"
+	}
+	SendSuccessResponse(w, "getStatus", statusInfo)
+}
+
+func GetSoftwareInfoHandler(w http.ResponseWriter, r *http.Request) {
+	SendSuccessResponse(w, "getSoftwareInfo", softwareInfo)
+}

router.go

@@ -8,6 +8,9 @@ import (
 
 func setupRoutes() {
 	postLog.Info("Setting up routes...")
+	http.HandleFunc("/system/getStatus", GetStatusHandler)
+	http.HandleFunc("/system/getSoftwareInfo", GetSoftwareInfoHandler)
+
 	http.HandleFunc("/register", RegisterHandler)
 	http.HandleFunc("/login", LoginHandler)
 	http.HandleFunc("/logout", LogoutHandler)