feat: Add batch processing and upload functionality, including new backend APIs, logging system, SQLite database, and dedicated frontend pages.

backend/internal/logger/logger.go

@@ -203,6 +203,39 @@ func GetLogs(limit int) []LogEntry {
 	return result
 }
 
+// GetLogsByModule 按模块筛选日志并分页（最新的在前）
+func GetLogsByModule(module string, page, pageSize int) ([]LogEntry, int) {
+	logsMu.RLock()
+	defer logsMu.RUnlock()
+
+	// 倒序收集匹配的日志
+	var filtered []LogEntry
+	for i := len(logs) - 1; i >= 0; i-- {
+		if logs[i].Module == module {
+			filtered = append(filtered, logs[i])
+		}
+	}
+
+	total := len(filtered)
+	if page < 1 {
+		page = 1
+	}
+	if pageSize <= 0 {
+		pageSize = 5
+	}
+
+	start := (page - 1) * pageSize
+	if start >= total {
+		return []LogEntry{}, total
+	}
+	end := start + pageSize
+	if end > total {
+		end = total
+	}
+
+	return filtered[start:end], total
+}
+
 // ClearLogs 清空日志
 func ClearLogs() {
 	logsMu.Lock()