Function skillsFromParts

coderd/x/chatd/instruction.go:209–240

skillsFromParts reconstructs skill metadata from persisted skill parts. This is analogous to instructionFromContextFiles so the skill index can be re-injected after compaction without re-dialing the workspace agent.

(
	messages []database.ChatMessage,
)

// so the skill index can be re-injected after compaction without
// re-dialing the workspace agent.
func skillsFromParts(
	messages []database.ChatMessage,
) []chattool.SkillMeta {
	filterAgentID, filterByAgent := latestContextAgentID(messages)
	var skills []chattool.SkillMeta
	for _, msg := range messages {
		if !msg.Content.Valid ||
			!bytes.Contains(msg.Content.RawMessage, []byte(`"skill"`)) {
			continue
		}
		var parts []codersdk.ChatMessagePart
		if err := json.Unmarshal(msg.Content.RawMessage, &parts); err != nil {
			continue
		}
		for _, part := range parts {
			if part.Type != codersdk.ChatMessagePartTypeSkill {
				continue
			}
			if filterByAgent && part.ContextFileAgentID.Valid &&
				part.ContextFileAgentID.UUID != filterAgentID {
				continue
			}
			skills = append(skills, chattool.SkillMeta{
				Name:        part.SkillName,
				Description: part.SkillDescription,
				Dir:         part.SkillDir,
				MetaFile:    part.ContextFileSkillMetaFile,
			})
		}
	}
	return skills
}

// filterSkillParts returns stripped copies of skill-type parts from
// the given slice. Internal fields are removed so the result is safe