Rework request context handler

backend/internal/handlers/handlers.go

@@ -0,0 +1,30 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+	"novamd/internal/db"
+	"novamd/internal/filesystem"
+)
+
+// Handler provides common functionality for all handlers
+type Handler struct {
+	DB *db.DB
+	FS *filesystem.FileSystem
+}
+
+// NewHandler creates a new handler with the given dependencies
+func NewHandler(db *db.DB, fs *filesystem.FileSystem) *Handler {
+	return &Handler{
+		DB: db,
+		FS: fs,
+	}
+}
+
+// respondJSON is a helper to send JSON responses
+func respondJSON(w http.ResponseWriter, data interface{}) {
+	w.Header().Set("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(data); err != nil {
+		http.Error(w, "Failed to encode response", http.StatusInternalServerError)
+	}
+}