Invalidate ACP session when opencode.json has changed - #71
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August 8, 2026 06:29
Previously the bridge copied opencode.json into each per-chat session directory only when the source mtime was strictly newer than the target's. This breaks for git checkouts, restores, and edits that preserve timestamps, leaving the cached snapshot and the running opencode acp child out of sync with the project's opencode.json. Replace the mtime-based copyIfNewer helper with copyIfChanged, which compares SHA-256 of the file contents and refreshes when they differ (or when no snapshot exists yet). copyOpenCodeConfig now returns whether anything was refreshed so callers can react. Also export hasOpenCodeConfigChanged(sessionDir) for callers that need to decide whether to invalidate an existing session before the next message is processed. Assisted-By: MiniMax-M3
A running opencode acp child loads its session-local opencode.json once at startup and never reloads it. After a config change the bridge must therefore drop the existing in-memory client and the persisted ACP session mapping so the next message spawns a fresh child that reads the new file. In BaseConnector.getOrCreateSession, compare the source opencode.json content against the snapshot in the session directory via the new hasOpenCodeConfigChanged helper. On a mismatch, call invalidateACPSession before falling through to the existing create / resume path. The session directory itself is preserved so uploads and user-owned files are not touched. Assisted-By: MiniMax-M3
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Closing under the updated contribution policy. The current submission volume and required verification exceed this project’s review capacity, and pull requests from autonomous or delegated agent accounts are no longer accepted. Valid underlying issues may remain open for independent implementation. Please do not revise, reopen, or replace this pull request. |
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A running
opencode acpchild loads its session-localopencode.jsononce at startup and never reloads it. After a config change the bridge must therefore drop the existing in-memory client and the persisted ACP session mapping so the next message spawns a fresh child that reads the new file.In
BaseConnector.getOrCreateSession, compare the sourceopencode.jsoncontent against the snapshot in the session directory via the newhasOpenCodeConfigChangedhelper introduced in #PR1. On a mismatch, callinvalidateACPSessionbefore falling through to the existing create / resume path. The session directory itself is preserved so uploads and user-owned files are not touched.Behaviour:
opencode acpchild is spawned with the new config.Depends on #PR1 (the content-hash snapshot helper).
Tests:
bun test tests/unit/connector-base.test.ts tests/unit/session-utils.test.ts— 106 pass, 0 fail.