add v2 API routes for admin and bug report management with rate limiting

internal/models/bug_report.go

@@ -2,6 +2,7 @@ package models
 
 import (
 	"encoding/json"
+	"strings"
 	"time"
 )
 
@@ -14,6 +15,23 @@ const (
 	BugReportStatusClosed   BugReportStatus = "closed"
 )
 
+func (s BugReportStatus) IsValid() bool {
+	switch s {
+	case BugReportStatusNew, BugReportStatusInReview, BugReportStatusResolved, BugReportStatusClosed:
+		return true
+	default:
+		return false
+	}
+}
+
+func ParseBugReportStatus(value string) (BugReportStatus, bool) {
+	status := BugReportStatus(strings.ToLower(strings.TrimSpace(value)))
+	if status == "" {
+		return "", false
+	}
+	return status, status.IsValid()
+}
+
 type BugReportListItem struct {
 	BugReport
 	FileCount int `db:"file_count" json:"file_count"`

internal/models/bug_report_file.go

@@ -5,9 +5,10 @@ import "time"
 type FileRole string
 
 const (
-	FileRoleAttachment FileRole = "attachment"
-	FileRoleScreenshot FileRole = "screenshot"
-	FileRoleLog        FileRole = "log"
+	FileRoleScreenshot   FileRole = "screenshot"
+	FileRoleMailFile     FileRole = "mail_file"
+	FileRoleLocalStorage FileRole = "localstorage"
+	FileRoleConfig       FileRole = "config"
 )
 
 type BugReportFile struct {