Method _load_file_hashes

rust-core/src/codegraph/parser.rs:919–953

加载文件哈希值

(&self, dir: &Path)

    /// 加载文件哈希值
    fn _load_file_hashes(&self, dir: &Path) -> Result<HashMap<String, String>, String> {
        use crate::storage::PersistenceManager;
        use md5;
        
        let persistence = PersistenceManager::new();
        
        // 尝试多种方式的项目ID
        let project_ids = vec![
            // 1. 使用目录名（原始方式）
            dir.file_name()
                .and_then(|n| n.to_str())
                .unwrap_or("default")
                .to_string(),
            // 2. 使用目录路径的MD5哈希（HTTP接口方式）
            format!("{:x}", md5::compute(dir.to_string_lossy().as_bytes())),
        ];
        
        for project_id in project_ids {
            match persistence.load_file_hashes(&project_id) {
                Ok(hashes) => {
                    if !hashes.is_empty() {
                        info!("Loaded {} file hashes for project ID: {}", hashes.len(), project_id);
                        return Ok(hashes);
                    }
                },
                Err(e) => {
                    debug!("Failed to load file hashes for project ID {}: {}", project_id, e);
                    continue;
                }
            }
        }
        
        info!("No file hashes found for any project ID");
        Ok(HashMap::new())
    }

    /// 保存文件哈希值
    fn _save_file_hashes(&self, dir: &Path, hashes: &HashMap<String, String>) -> Result<(), String> {