# docs: explain legacy thread migration · stienswout/t3code

[View on GitCafe](https://git.cafe/stienswout/t3code/commit/8b1f745fbb08e8755e675ccebfb99fee12d67de1)

Repository: [stienswout/t3code](https://git.cafe/stienswout/t3code)

Visibility: public

Requested revision: 8b1f745fbb08e8755e675ccebfb99fee12d67de1

Requested commit: 8b1f745fbb08e8755e675ccebfb99fee12d67de1

Commit: 8b1f745fbb08e8755e675ccebfb99fee12d67de1

Tree: 5c2c6ec9139db3cb911ba00813ae2b48e6ada708

Author: Julius Marminge

Committer: Julius Marminge

## Message

```
docs: explain legacy thread migration

Document which thread metadata and transcript data migrate, which runtime history does not, and how the fresh provider continuation uses the latest 32,000 characters. Add a safe read-only recovery procedure without claiming an export API.

Audit: D02

Written by GPT-5.6 Sol with Codex.

```

## Parents

- [4b84a368446953cdc876acfa3d477ea71656dadb](https://git.cafe/stienswout/t3code/commit/4b84a368446953cdc876acfa3d477ea71656dadb?format=markdown)

[Source at this commit](https://git.cafe/stienswout/t3code/tree/8b1f745fbb08e8755e675ccebfb99fee12d67de1?format=markdown)