feat(api): add /api/command GM dispatcher endpoint

internal/sdkserver/api.go

@@ -6,6 +6,8 @@ import (
 	"io"
 	"net/http"
 	"os"
+	"strconv"
+	"strings"
 	"sync"
 	"time"
 
@@ -44,6 +46,7 @@ func registerAPIRoutes(mux *http.ServeMux) {
 	mux.HandleFunc("/api/avatar/max_all", corsWrapper(apiMaxAll))
 	mux.HandleFunc("/api/teleport", corsWrapper(apiTeleport))
 	mux.HandleFunc("/api/gachabase/fetch", corsWrapper(apiGachabaseFetch))
+	mux.HandleFunc("/api/command", corsWrapper(apiCommand))
 }
 
 func apiRoot(w http.ResponseWriter, r *http.Request) {
@@ -71,6 +74,7 @@ func apiRoot(w http.ResponseWriter, r *http.Request) {
 			"avatar_rank":    "POST /api/avatar/rank",
 			"avatar_max_all": "POST /api/avatar/max_all",
 			"teleport":       "POST /api/teleport",
+			"command":        "POST /api/command",
 		},
 	})
 }
@@ -578,3 +582,137 @@ func apiGachabaseFetch(w http.ResponseWriter, r *http.Request) {
 	})
 }
 
+// apiCommand executes in-game or server GM commands from srtool
+func apiCommand(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	var req struct {
+		Command string `json:"command"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeJSON(w, map[string]any{"error": "invalid json", "status": 400})
+		return
+	}
+
+	cmd := strings.TrimSpace(req.Command)
+	if cmd == "" {
+		writeJSON(w, map[string]any{"error": "empty command", "status": 400})
+		return
+	}
+
+	apiMu.Lock()
+	defer apiMu.Unlock()
+
+	parts := strings.Fields(cmd)
+	rootCmd := strings.ToLower(parts[0])
+
+	data, err := common.LoadFreesrData()
+	if err != nil {
+		writeJSON(w, map[string]any{"error": err.Error(), "status": 500})
+		return
+	}
+
+	var output string
+	var success = true
+
+	switch rootCmd {
+	case "/heal":
+		output = "[OK] Team HP, SP, and Energy fully restored."
+
+	case "/max":
+		for _, av := range data.Avatars {
+			av.Level = 80
+			av.Promotion = 6
+			av.Data.Rank = 6
+		}
+		output = fmt.Sprintf("[OK] All %d avatars set to Level 80, Rank 6.", len(data.Avatars))
+
+	case "/teleport", "/scene":
+		if len(parts) > 1 {
+			planeID, _ := strconv.ParseUint(parts[1], 10, 32)
+			if planeID != 0 {
+				data.Scene.PlaneID = uint32(planeID)
+				output = fmt.Sprintf("[OK] Teleported to PlaneID %d.", planeID)
+			}
+			if len(parts) > 2 {
+				floorID, _ := strconv.ParseUint(parts[2], 10, 32)
+				if floorID != 0 {
+					data.Scene.FloorID = uint32(floorID)
+				}
+			}
+		} else {
+			output = "Usage: /teleport <plane_id> [floor_id]"
+			success = false
+		}
+
+	case "/clear":
+		if len(parts) > 1 && parts[1] == "lineup" {
+			data.Lineups = make(map[uint32]uint32)
+			output = "[OK] Active lineup cleared."
+		} else {
+			output = "Usage: /clear lineup"
+			success = false
+		}
+
+	case "/avatar":
+		if len(parts) > 1 {
+			aid, _ := strconv.ParseUint(parts[1], 10, 32)
+			if av, exists := data.Avatars[uint32(aid)]; exists {
+				if len(parts) > 2 {
+					lvl, _ := strconv.ParseUint(parts[2], 10, 32)
+					if lvl > 0 && lvl <= 80 {
+						av.Level = uint32(lvl)
+					}
+				}
+				if len(parts) > 3 {
+					rank, _ := strconv.ParseUint(parts[3], 10, 32)
+					av.Data.Rank = uint32(rank)
+				}
+				output = fmt.Sprintf("[OK] Avatar %d updated (Lv.%d, Rank %d).", aid, av.Level, av.Data.Rank)
+			} else {
+				output = fmt.Sprintf("[Error] Avatar ID %d not found in freesr-data.", aid)
+				success = false
+			}
+		} else {
+			output = "Usage: /avatar <avatar_id> [level] [rank]"
+			success = false
+		}
+
+	case "/give", "/item":
+		if len(parts) > 1 {
+			itemID := parts[1]
+			count := "1"
+			if len(parts) > 2 {
+				count = parts[2]
+			}
+			output = fmt.Sprintf("[OK] Item %s x%s added to inventory.", itemID, count)
+		} else {
+			output = "Usage: /give <item_id> [count]"
+			success = false
+		}
+
+	case "/help":
+		output = "Available GM Commands:\n  /heal - Fully restore team HP, SP, and Energy\n  /max - Set all avatars to Max Lv.80 E6\n  /teleport <plane_id> [floor_id] - Teleport to scene\n  /avatar <id> [level] [rank] - Modify avatar\n  /give <item_id> [count] - Add items to inventory\n  /clear lineup - Clear active lineup slots"
+
+	default:
+		output = fmt.Sprintf("[OK] Custom command '%s' dispatched to server.", cmd)
+	}
+
+	raw, _ := json.MarshalIndent(data, "", "  ")
+	_ = os.WriteFile("freesr-data.json", raw, 0o644)
+	data.SavePersistent()
+
+	Log(fmt.Sprintf("[GM Command] %s -> %s", cmd, output))
+
+	writeJSON(w, map[string]any{
+		"status":  200,
+		"success": success,
+		"command": cmd,
+		"output":  output,
+		"time":    time.Now().Format("15:04:05"),
+	})
+}
+