Function LoadSession

internal/viewer/store.go:263–496

LoadSession fully parses a JSONL file into a ViewSession.

(root, encodedRepo, sessionID string)

// LoadSession fully parses a JSONL file into a ViewSession.
func LoadSession(root, encodedRepo, sessionID string) (*ViewSession, error) {
	path := filepath.Join(root, encodedRepo, sessionID+".jsonl")
	f, err := os.Open(path)
	if err != nil {
		return nil, fmt.Errorf("open session file: %w", err)
	}
	defer f.Close()

	vs := &ViewSession{Files: make([]*FileGroup, 0)}
	fileIndex := make(map[string]*FileGroup)

	scanner := bufio.NewScanner(f)
	buf := make([]byte, 0, 1024*1024)
	scanner.Buffer(buf, 10*1024*1024)

	for scanner.Scan() {
		var rec map[string]any
		if err := json.Unmarshal(scanner.Bytes(), &rec); err != nil {
			continue // skip malformed lines
		}
		typ, _ := rec["type"].(string)

		switch typ {
		case "session_start":
			if ts, ok := rec["timestamp"].(string); ok {
				vs.Summary.Timestamp, _ = time.Parse(time.RFC3339, ts)
			}
			if cwd, ok := rec["cwd"].(string); ok {
				vs.Summary.CWD = cwd
			}
			if branch, ok := rec["gitBranch"].(string); ok {
				vs.Summary.GitBranch = branch
			}
			if model, ok := rec["model"].(string); ok {
				vs.Summary.Model = model
			}
			if rm, ok := rec["reviewMode"].(string); ok {
				vs.Summary.ReviewMode = rm
			}
			if v, ok := rec["diffFrom"].(string); ok {
				vs.Summary.DiffFrom = v
			}
			if v, ok := rec["diffTo"].(string); ok {
				vs.Summary.DiffTo = v
			}
			if v, ok := rec["diffCommit"].(string); ok {
				vs.Summary.DiffCommit = v
			}

		case "llm_request":
			fp, _ := rec["filePath"].(string)
			tt, _ := rec["taskType"].(string)
			reqNo := 0
			if n, ok := rec["request_no"].(float64); ok {
				reqNo = int(n)
			}
			msgs := rec["messages"]