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Prompt retry after a client timeout has no idempotency key

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
28/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Active
Tech stack
sql, typescript

Research direction

Start by reading packages/opencode/src/cli/cmd/run.ts and tracing how a prompt is retried after a client timeout or connection reset. The issue requires an agreed server-side idempotency contract; done means an accepted mutating request cannot execute twice when its response is lost and the client retries.

Written by the indexing model from the issue text.

Description

Deferred from the v0.10.0 release review. Self-disclosed.

A prompt retried after a client-side timeout or connection reset carries no idempotency key (packages/opencode/src/cli/cmd/run.ts). If the server accepted the request and only the response was lost, the retry is executed a second time.

For a data tool this is not merely a duplicated read: a sql_execute carrying a mutating statement can run twice against a live warehouse. The exposure is largest under automation that layers its own retries on top.

Fixing this needs a server-side idempotency contract, not a client-only change.

Dominant language
TypeScript
Stars
813
Forks
134
Avg merge
2d 3h
Merged PRs (30d)
65

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