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

backend/internal/api/handlers/auth.go

@@ -3,6 +3,7 @@ package handlers
 import (
 	"encoding/json"
 	"io"
+	"log"
 	"net/http"
 	"strings"
 
@@ -55,28 +56,38 @@ func (h *AuthHandler) Register(w http.ResponseWriter, r *http.Request) {
 
 // Login handles user login
 func (h *AuthHandler) Login(w http.ResponseWriter, r *http.Request) {
+	log.Printf("🔐 LOGIN HANDLER CALLED - Method: %s", r.Method)
+	
 	if r.Method != http.MethodPost {
+		log.Printf("❌ Method not allowed: %s", r.Method)
 		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
 		return
 	}
 
 	bodyBytes, err := io.ReadAll(r.Body)
 	if err != nil {
+		log.Printf("❌ Failed to read body: %v", err)
 		http.Error(w, "Failed to read request body", http.StatusBadRequest)
 		return
 	}
 	defer r.Body.Close()
 
+	log.Printf("📥 Raw body: %s", string(bodyBytes))
+
 	// Trim whitespace to avoid decode errors caused by BOM or stray chars
 	sanitized := strings.TrimSpace(string(bodyBytes))
 	var req domain.LoginRequest
 	if err := json.Unmarshal([]byte(sanitized), &req); err != nil {
+		log.Printf("❌ JSON parse error: %v", err)
 		http.Error(w, "Invalid request body", http.StatusBadRequest)
 		return
 	}
 
+	log.Printf("📧 Login attempt for email: %s", req.Email)
+
 	response, err := h.authService.Login(req)
 	if err != nil {
+		log.Printf("❌ authService.Login error: %v", err)
 		if err == service.ErrInvalidCredentials {
 			http.Error(w, err.Error(), http.StatusUnauthorized)
 		} else {
@@ -85,6 +96,7 @@ func (h *AuthHandler) Login(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	log.Printf("✅ Login successful for %s, role=%s", response.User.Email, response.User.Role)
 	w.Header().Set("Content-Type", "application/json")
 	json.NewEncoder(w).Encode(response)
 }