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feat(plugin): allow compaction hook to replace prompt entirely (#5907)

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This commit is contained in:
Joel Hooks 2025-12-22 20:19:14 -08:00 • committed by Aiden Cline
commit ce8ea03bd4
3 changed files with 42 additions and 9 deletions
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12
packages/opencode/src/session/compaction.ts
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@ -130,12 +130,15 @@ export namespace SessionCompaction {
model,
abort: input.abort,
})
// Allow plugins to inject context for compaction
// Allow plugins to inject context or replace compaction prompt
const compacting = await Plugin.trigger(
"experimental.session.compacting",
{ sessionID: input.sessionID },
{ context: [] },
{ context: [], prompt: undefined },
)
const defaultPrompt =
"Provide a detailed prompt for continuing our conversation above. Focus on information that would be helpful for continuing the conversation, including what we did, what we're doing, which files we're working on, and what we're going to do next considering new session will not have access to our conversation."
const promptText = compacting.prompt ?? [defaultPrompt, ...compacting.context].join("\n\n")
const result = await processor.process({
user: userMessage,
agent,
@ -150,10 +153,7 @@ export namespace SessionCompaction {
content: [
{
type: "text",
text: [
"Provide a detailed prompt for continuing our conversation above. Focus on information that would be helpful for continuing the conversation, including what we did, what we're doing, which files we're working on, and what we're going to do next considering new session will not have access to our conversation.",
...compacting.context,
].join("\n\n"),
text: promptText,
},
],
},