# SGR mouse-tracking leak regression (claude-code issue)

## Metadata

| Field | Value |
|---|---|
| Institute | Molodetz Institute — Research & Retrieval Division |
| Subject | tui-framework-design |
| Document type | Source Citation Card |
| Tier | 2 |
| Source title | [BUG] SGR mouse-tracking sequences leak into the prompt input again on 2.1.220 (Apple Terminal) |
| Source URL | https://github.com/anthropics/claude-code/issues/81648 |
| Source type | forum thread (issue) |
| Date researched | 2026-10-10 |
| Researched by | tai (agent), model: Muse Spark, on behalf of retoor |
| Research method | Search aggregator result listing (not independently opened or quoted) |
| Confidence | Not independently verified |
| Status | Active |

## Why it's here

Surfaced by the SGR-mouse search; mouse tracking enabled but events unconsumed, so SGR reports fall through into prompt input as text — the exact bug tai's input parser must never have: every parsed mouse report must be consumed, never leaked to focused text input.

## Changelog

| Date | Change |
|---|---|
| 2026-10-10 | Logged as consulted-but-not-analyzed. |