feat: redesign superadmin agencies list, implement flat design, add date filters, and fix UI bugs

backend/internal/api/handlers/hash.go

@@ -0,0 +1,38 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"golang.org/x/crypto/bcrypt"
+)
+
+type HashRequest struct {
+	Password string `json:"password"`
+}
+
+type HashResponse struct {
+	Hash string `json:"hash"`
+}
+
+func GenerateHash(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	var req HashRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		http.Error(w, "Invalid request body", http.StatusBadRequest)
+		return
+	}
+
+	hash, err := bcrypt.GenerateFromPassword([]byte(req.Password), bcrypt.DefaultCost)
+	if err != nil {
+		http.Error(w, "Failed to generate hash", http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(HashResponse{Hash: string(hash)})
+}