Function LoadSkillBody

coderd/x/chatd/chattool/skill.go:131–195

LoadSkillBody reads the full skill meta file for a discovered skill and lists the supporting files in its directory.

(
	ctx context.Context,
	conn workspacesdk.AgentConn,
	skill SkillMeta,
	metaFile string,
)

// LoadSkillBody reads the full skill meta file for a discovered
// skill and lists the supporting files in its directory.
func LoadSkillBody(
	ctx context.Context,
	conn workspacesdk.AgentConn,
	skill SkillMeta,
	metaFile string,
) (SkillContent, error) {
	metaPath := path.Join(skill.Dir, metaFile)

	reader, _, err := conn.ReadFile(
		ctx, metaPath, 0, maxSkillMetaBytes+1,
	)
	if err != nil {
		return SkillContent{}, xerrors.Errorf(
			"read skill body: %w", err,
		)
	}
	raw, err := io.ReadAll(io.LimitReader(reader, maxSkillMetaBytes+1))
	reader.Close()
	if err != nil {
		return SkillContent{}, xerrors.Errorf(
			"read skill body bytes: %w", err,
		)
	}

	if int64(len(raw)) > maxSkillMetaBytes {
		raw = raw[:maxSkillMetaBytes]
	}

	_, _, body, err := workspacesdk.ParseSkillFrontmatter(string(raw))
	if err != nil {
		return SkillContent{}, xerrors.Errorf(
			"parse skill frontmatter: %w", err,
		)
	}

	// List supporting files so the model knows what it can
	// request via read_skill_file.
	lsResp, err := conn.LS(ctx, "", workspacesdk.LSRequest{
		Path:       []string{skill.Dir},
		Relativity: workspacesdk.LSRelativityRoot,
	})
	if err != nil {
		return SkillContent{}, xerrors.Errorf(
			"list skill directory: %w", err,
		)
	}

	var files []string
	for _, entry := range lsResp.Contents {
		if entry.Name == metaFile {
			continue
		}
		name := entry.Name
		if entry.IsDir {
			name += "/"
		}
		files = append(files, name)
	}