| 1 | package agent |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "fmt" |
| 6 | "os" |
| 7 | "path/filepath" |
| 8 | "strings" |
| 9 | "time" |
| 10 | |
| 11 | "reasonix/internal/store" |
| 12 | ) |
| 13 | |
| 14 | // ExportSessionSchemaOne writes the selected head of a schema-2 session as a |
| 15 | // self-contained schema-1 session at dst (a .jsonl path): the checkpoint, a |
| 16 | // one-record event log, and a meta sidecar older binaries can open. It is |
| 17 | // the rollback exit for users who must run a release that predates schema 2. |
| 18 | func ExportSessionSchemaOne(src, dst string) error { |
| 19 | src, dst = strings.TrimSpace(src), strings.TrimSpace(dst) |
| 20 | if src == "" || dst == "" { |
| 21 | return fmt.Errorf("export session: source and destination are required") |
| 22 | } |
| 23 | if !strings.HasSuffix(dst, ".jsonl") { |
| 24 | return fmt.Errorf("export session: destination %s must end in .jsonl", dst) |
| 25 | } |
| 26 | if sessionArtifactExists(dst) { |
| 27 | return fmt.Errorf("export session: destination %s already exists", dst) |
| 28 | } |
| 29 | res, err := loadSessionTranscript(context.Background(), src, defaultSessionReplayLimits, nil) |
| 30 | if err != nil { |
| 31 | return err |
| 32 | } |
| 33 | if !res.dag { |
| 34 | return fmt.Errorf("export session: %s is not a schema-2 session", src) |
| 35 | } |
| 36 | if err := os.MkdirAll(filepath.Dir(dst), 0o755); err != nil { |
| 37 | return err |
| 38 | } |
| 39 | digest, err := digestSessionMessages(res.msgs) |
| 40 | if err != nil { |
| 41 | return err |
| 42 | } |
| 43 | if err := appendSessionReplaceEvent(dst, res.msgs, digest, 0, "export"); err != nil { |
| 44 | return err |
| 45 | } |
| 46 | if err := writeSessionMessages(dst, res.msgs); err != nil { |
| 47 | return err |
| 48 | } |
| 49 | meta := BranchMeta{ID: BranchID(dst), CreatedAt: time.Now().UTC(), Revision: 1, ContentDigest: digestString(digest), WriterID: SessionWriterID()} |
| 50 | if srcMeta, ok, err := LoadBranchMeta(src); err == nil && ok { |
| 51 | meta.Name, meta.Scope, meta.WorkspaceRoot = srcMeta.Name, srcMeta.Scope, srcMeta.WorkspaceRoot |
| 52 | meta.TopicID, meta.TopicTitle, meta.CustomTitle, meta.Model = srcMeta.TopicID, srcMeta.TopicTitle, srcMeta.CustomTitle, srcMeta.Model |
| 53 | meta.ModelIdentity = srcMeta.ModelIdentity |
| 54 | meta.CreatedAt = srcMeta.CreatedAt |
| 55 | } |
| 56 | if err := saveBranchMeta(dst, meta, false); err != nil { |
| 57 | return err |
| 58 | } |
| 59 | if err := writeSessionEventIndex(dst, res.msgs, digest, 1); err != nil { |
| 60 | return err |
| 61 | } |
| 62 | _ = store.SessionEventLog(dst) |
| 63 | return nil |
| 64 | } |
| 65 |