google-gemini/gemini-cli

Bug: 'text.response' in custom theme triggers validation error (unrecognized key)

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#25689 opened on Apr 20, 2026

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 (7 comments) (0 reactions) (1 assignee)TypeScript (103,992 stars) (13,657 forks)batch import
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Description

Description

The text.response key in a custom theme configuration triggers a validation error: Invalid configuration... Unrecognized key(s) in object: 'response'.

Expected Behavior

The response key should be recognized as a valid property of the text object in a custom theme, as it is documented in cli_help and explicitly used in the source code to color model responses.

Actual Behavior

The CLI flags response as an unrecognized key during startup validation, although the color is correctly applied in the terminal.

Evidence

In the bundled source code (chunk-7DZN7VCC.js), the CLI explicitly looks for this key:

response: customTheme.text?.response ?? customTheme.text?.primary ?? colors.Foreground

However, the CustomTheme definition in the validation schema (and the hosted settings.schema.json) is missing the response property under text and has additionalProperties: false set:

"text": {
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "primary": { "type": "string" },
    "secondary": { "type": "string" },
    "link": { "type": "string" },
    "accent": { "type": "string" }
  }
}

Environment

  • Gemini CLI Version: 0.38.2
  • OS: Darwin (macOS)

Contributor guide

Tech stack
typescriptnodejs
Domain
cli
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
blocked
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
TypeScriptJSON schema basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70
Research direction
The issue is that the validation schema (likely `settings.schema.json`) is missing the `response` key under `text` and has `additionalProperties: false`. The fix involves adding `"response": { "type": "string" }` to the properties of `text` in the schema file. The source code in `chunk 7DZN7VCC.js` already references `customTheme.text?.response`. The repository is `google gemini/gemini cli`, written in TypeScript. An assignee is already set; coordinate with them before starting work.