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v0.5.29 — ACM-11 Fixed, Clean Release

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@rickross rickross released this 02 Apr 22:28
· 7 commits to main since this release
v0.5.29
4e9b9ea

What's Changed

Bug Fix: System-reminder leaking into Mattermost DMs (ACM-11)

The messages.transform hook was incorrectly injecting the <system-reminder> block onto outbound Mattermost DM messages, causing agents to see each other's token counts and timestamps inline in chat.

Root cause: OpenCode wraps inbound Mattermost messages in multiple ways before they reach the hook:

  • [Metadata: sender=...] prefix
  • The user sent the following message: wrapper
  • <system-reminder> wrapper (when a previous leak had already baked into message content)

The initial heuristic only caught [Metadata: — missing the other two shapes.

Fix: Broadened the skip condition to detect all three patterns, plus \n[Metadata: sender= anywhere near the top of the message text. Injection is now skipped for any message matching any of these patterns.

Housekeeping

  • Removed debug logging added during ACM-11 diagnosis (v0.5.26–v0.5.28)

Notes

  • OpenCode's own Mattermost plugin wraps inbound DMs in <system-reminder> tags — this is OpenCode transport behavior and is outside ACM's control
  • v0.5.24-stable is tagged as a known-good rollback point if needed
  • All dependencies are standard public packages (@opencode-ai/plugin, @opencode-ai/sdk, zod) — no private or idiosyncratic dependencies
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