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add experimental.chat.messages.transform hook - #5207

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rekram1-node merged 31 commits into
anomalyco:devfrom
jorgenwh:chat-messages-transform-hook
Dec 11, 2025
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add experimental.chat.messages.transform hook#5207
rekram1-node merged 31 commits into
anomalyco:devfrom
jorgenwh:chat-messages-transform-hook

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@jorgenwh

@jorgenwhjorgenwh commented Dec 7, 2025•
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Add a chat messages transform hook to allow plugins to alter chat messages.

We expose the MessageV2.WithParts through the new hook, but give deep copies of the chat history to avoid plugins altering the original messages

Previously, the chain would look something like this:

MessageV2.WithParts -> ModelMessage -> ...

Now, with the new changes:

MessageV2.WithParts -> MessageV2.WithParts (in-memory copy) -> ModelMessage -> ...
|
chat.messages.transform
|
|-----------------|
| Plugin |
|-----------------|

@TarquinenTarquinen mentioned this pull request Dec 7, 2025
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@rekram1-node

rekram1-node commented Dec 7, 2025

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/review

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github-actionsBot reviewed Dec 7, 2025
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jorgenwhand others added 3 commits December 7, 2025 20:28
@jorgenwh@github-actions
Update packages/opencode/src/session/prompt.ts
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@jorgenwh
fix github-actions bot bug
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@jorgenwh
add removed filter for messages
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@rekram1-node

rekram1-node commented Dec 8, 2025

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/review

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lgtm

rekram1-node
rekram1-node reviewed Dec 8, 2025
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jorgenwhand others added 16 commits December 8, 2025 07:00
@rekram1-node

rekram1-node commented Dec 11, 2025

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/review

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lgtm

rekram1-node
rekram1-node reviewed Dec 11, 2025
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rekram1-node
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Comment threadpackages/plugin/src/index.ts
@rekram1-noderekram1-node changed the title Chat messages transform hookadd experimental.chat.messages.transform hookDec 11, 2025
@rekram1-node
rekram1-node merged commit 2a9269c into anomalyco:devDec 11, 2025
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shuv1337 added a commit to Latitudes-Dev/shuvcode that referenced this pull request Dec 11, 2025
@shuv1337@claude
Merge upstream v1.0.150 into integration
9f41fe9
Merge origin/dev containing:
- v1.0.150 release
- fix: Writing to Bun.stderr causes CPU pinning to 100% (anomalyco#5396)
- feat: add caching for opencode binary in GitHub Actions (anomalyco#5384)
- add experimental.chat.messages.transform hook (anomalyco#5207)
This merge preserves all local fork customizations:
- Night Owl theme and OpenCode theme
- AsciiMark/AsciiLogo branding
- Font/Theme pickers in header
- Go-to-parent session navigation
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@TarquinenTarquinen mentioned this pull request Dec 12, 2025
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@DanielusGDanielusG mentioned this pull request Dec 13, 2025
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xywsxp pushed a commit to xywsxp/opencode that referenced this pull request Apr 24, 2026
@jorgenwh@github-actions
add experimental.chat.messages.transform hook (anomalyco#5207)
32e1f98
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Rwanbt pushed a commit to Rwanbt/unifia that referenced this pull request May 5, 2026
@jorgenwh@github-actions
add experimental.chat.messages.transform hook (anomalyco#5207)
031a3b2
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
AIALRA-0 pushed a commit to AIALRA-0/opencode-turn-engine that referenced this pull request Jun 10, 2026
@jorgenwh@github-actions
add experimental.chat.messages.transform hook (anomalyco#5207)
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AIALRA-0 pushed a commit to AIALRA-0/opencode-turn-engine that referenced this pull request Jun 10, 2026
@jorgenwh@github-actions
add experimental.chat.messages.transform hook (anomalyco#5207)
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Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
avion23 pushed a commit to avion23/opencode that referenced this pull request Jun 10, 2026
@jorgenwh@github-actions
add experimental.chat.messages.transform hook (anomalyco#5207)
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Rwanbt pushed a commit to Rwanbt/unifia that referenced this pull request Jun 14, 2026
@jorgenwh@github-actions
add experimental.chat.messages.transform hook (anomalyco#5207)
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Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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MarsQiu007 referenced this pull request in MarsQiu007/openNovel Jul 31, 2026
@jorgenwh@github-actions
add experimental.chat.messages.transform hook (#5207)
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Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
This was referenced Aug 16, 2026
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