# NousResearch/hermes-agent · CLI Shift+key CSI byte leak fixes

## Open now

- Nothing open on GitHub.

Multiple attempts to fix raw CSI escape sequences leaking into the terminal buffer when pressing Shift+Space or Shift+letter keys. The issues and PRs explore different approaches to resolving the ANSI sequence mapping problem in the CLI.

## TL;DR

- 4 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 2 PR(s) closed without merging.
- A fix was merged to main in PR #99488. Verify it addresses your case.
- **Recommended:** read PR #99488 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `resolved` · deciding PR(s): `pr-99488`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.50`: the share of member pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. `1.00` means every pair is linked.

## Closed / duplicate issues

- #92343: Classic CLI: Shift+letter still leaks literal CSI text after #87511 — ANSI_SEQUENCES mapping is defeated by self-insert pasting KeyPress.data

## Prior & competing PRs

- **#99488: fix(cli): stop raw CSI bytes leaking into the buffer for Shift+Space and Shift+letter (salvage #88097)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `cli.py`, `hermes_cli/pt_input_extras.py`, `tests/cli/test_modify_other_keys_aliases.py`
- **#92356: fix(cli): resolve Shift+letter CSI leak by lowering modifyOtherKeys level to 1**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `#91937`
- **#94076: fix(cli): make string-valued ANSI mappings insert the mapped character**. closed without merge
  - maintainer direction: category `wontfix_bydesign`; implication `wontfix`; refs `#88097`

## Fix status

- Merged to main in PR #99488 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-08-31`.
- Subsystem: `hermes_cli`