Method Read

pkg/backends/state.go:114–141

Read 实现 BackendProtocol.Read

(ctx context.Context, path string, offset, limit int)

// Read 实现 BackendProtocol.Read
func (b *StateBackend) Read(ctx context.Context, path string, offset, limit int) (string, error) {
	b.mu.RLock()
	defer b.mu.RUnlock()

	data, exists := b.files[path]
	if !exists {
		return "", fmt.Errorf("file not found: %s", path)
	}

	totalLines := len(data.Lines)

	// 处理 offset
	if offset < 0 {
		offset = 0
	}
	if offset >= totalLines {
		return "", nil
	}

	// 处理 limit
	endLine := totalLines
	if limit > 0 {
		endLine = min(offset+limit, totalLines)
	}

	selectedLines := data.Lines[offset:endLine]
	return strings.Join(selectedLines, "\n"), nil
}

// Write 实现 BackendProtocol.Write
func (b *StateBackend) Write(ctx context.Context, path, content string) (*WriteResult, error) {