pre cw with probe and a bunch script to read game behavior

internal/sdkserver/api_tool_session.go

@@ -0,0 +1,28 @@
+package sdkserver
+
+import (
+	"encoding/json"
+	"gac-hkrpg-go/internal/common"
+	"net/http"
+)
+
+func apiToolSession(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+	var req struct {
+		Connected bool   `json:"connected"`
+		Client    string `json:"client"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil || (r.Header.Get("X-GaC-Srtool") != "1" && req.Client != "GaC-Srtool") {
+		http.Error(w, "explicit Srtool connection required", http.StatusBadRequest)
+		return
+	}
+	seconds, err := common.SetSrtoolConnection(req.Connected)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	writeJSON(w, map[string]any{"status": 200, "connected": req.Connected, "lease_seconds": seconds})
+}