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feat(webhooks): expose remote result metadata to post hooks - #32
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avoguru
marked this pull request as ready for review
October 23, 2026 17:41
josebarrueta
approved these changes
Oct 25, 2026
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Part of PLT-2344
What/why
Allow post-execution webhooks to inspect and replace remote MCP result metadata. An omitted override preserves metadata; an empty object clears it. Reserved Arcade fields are excluded by the Engine.
Codebase changes
Add optional
metadataobjects to the post-hook request and output override. Usejson.RawMessagein generated Go clients to preserve JSON numbers. Define post-hookoutputshapes for remote JSON-RPC errors andinput_requiredresults; confirmation overrides preserve the exact request key set.Proof
Schema validation passes at
94d0295. The Engine client was generated from this PR source; webhook regressions cover metadata replacement, empty-object clearing, and integer precision. Generation from schemas/main remains pending this PR’s merge.Additional notes
Companion contract for monorepo #5192. Merge this schema before regenerating the Engine client from schemas/main.