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Fix ACP file-write success response - #3922

Merged
SawyerHood merged 3 commits into
get-bb:mainfrom
vznh:fix/acp-write-text-file-response
Sep 19, 2026
Merged

SawyerHood merged 3 commits into
get-bb:mainfrom
vznh:fix/acp-write-text-file-response

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@vznh

@vznh vznh commented Sep 18, 2026

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Human comments

Nothing to really note.

What was wrong

BB returned null after successful ACP file writes, violating the object response schema and causing strict clients to report parse errors (#3453).

What changed

Return {} and strengthen the existing test fixture to reject invalid responses, with regression coverage for file creation and updates; no server/daemon protocol, CLI, or documentation changes required.

How you verified

Both human and agent verified.

  • Regression tests: failed before the fix, passed afterward
  • pnpm exec turbo run test typecheck --filter=@bb/provider-bridge-acp: 320 tests passed; typecheck passed
  • Formatting and git diff --check: passed
  • Live Devin verification: not run

Fixes #3453.

@SawyerHood
SawyerHood merged commit a31bd12 into get-bb:main Sep 19, 2026
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Successfully merging this pull request may close these issues.

provider-bridge-acp answers fs/write_text_file with result: null, violating the ACP schema (agents report Parse error on every write)

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