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fix(#4705): emit Antigravity-native tool names as a YAML sequence (#4822)

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* test(#4705): add failing-first coverage for native Antigravity tool sequences

* fix(#4705): emit Antigravity-native tool names as a YAML sequence

convertClaudeAgentToAntigravityAgent and the installer's twin emitted
Gemini CLI tool names as a comma-separated scalar. Antigravity's
documented subagent contract (antigravity.google/docs/subagents) wants a
YAML sequence of native names — view_file, grep_search, run_command,
replace_file_content are the documented examples, and wrong or malformed
grants can hang the subagent per Antigravity's own warning.

Map values move to the native vocabulary where documented (Read ->
view_file, Edit -> replace_file_content, Bash -> run_command, Grep ->
grep_search); undocumented entries keep their best-known grant rather
than being dropped (dropping would silently remove a restriction). The
emitter writes one '- name' item per line; an agent whose every tool was
filtered emits an explicit tools: [] instead of an empty scalar.
Pre-existing pins updated to the native vocabulary.

* test(#4705): update the #4727 map-value pin to the Antigravity-native vocabulary

The #4727-era pin held the map VALUES at the Gemini CLI dialect on the
belief that Antigravity speaks it; the confirmed bug #4705 (with
Antigravity's own documented subagent contract) supersedes that for the
four documented names. Key/shape pinning is preserved; only the values
move.

* docs(#4705): backfill changeset PR number

---------

Co-authored-by: sim <sim@local>
This commit is contained in:
Tom Boucher
2026-09-17 08:12:18 -04:00
committed by GitHub
parent be1b76dddd
commit 7d0c6339d0
5 changed files with 96 additions and 30 deletions
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---
type: Fixed
pr: 4822
---
**Antigravity agents get native tool names as a YAML sequence** — converted agents carried Gemini CLI tool names (`read_file`, `search_file_content`, `run_shell_command`) as a comma-separated scalar, while Antigravity's documented subagent contract wants a YAML sequence of native names (`view_file`, `grep_search`, `run_command`, `replace_file_content`); wrong or malformed grants can hang the subagent. The installer's twin converter changes in lockstep. (#4705)