events: session.idle is declared in the V2 schema but never emitted (completion arrives as session.execution.*) #55358

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1. opencode-agent commented on Oct 14, 2026

   

   opencode-agentBot

   on Oct 14, 2026 – with OpenCode Agent

   Contributor

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   Thanks for the detailed report. I was able to reproduce this on 2.0.28.

   I loaded your probe plugin (ctx.event.subscribe(), logging each e.type) in an isolated project and submitted one prompt in the TUI, with a simulated model replying. The plugin received 25 event types, including session.execution.started and session.execution.succeeded. It never received session.idle or session.status.

   The latest dev (34d8ded) gives the same result. In the code, both events are declared in the V2 event schema, but I couldn't find any place that publishes them. The V2 migration guide still uses session.idle as its example.

   The script below reproduces it. Its log output shows which events arrive, so the recording only shows the TUI run itself. Until this is resolved, subscribing to session.execution.succeeded / failed / interrupted works, as you found.

   Related: #55227 (/wait returns when execution starts, not when the session is idle).

   recording.mp4

   Reproduction script (drive.ts)

   // Repro for #55358: session.idle / session.status never reach plugin event subscribers.
   import { Effect } from "effect"
   import * as fs from "node:fs"
   import { Llm, OpenCodeDriver } from "opencode-drive"
   
   const LOG = "/tmp/opencode/probe-55358.log"
   
   const probe = `import fs from "node:fs"
   export default {
     id: "probe",
     setup: async (ctx) => {
       const ac = new AbortController()
       void (async () => {
         for await (const e of ctx.event.subscribe({ signal: ac.signal })) {
           fs.appendFileSync(${JSON.stringify(LOG)}, e.type + "\\n")
         }
       })()
       return () => ac.abort()
     },
   }
   `
   
   export default OpenCodeDriver.use(
     {
       ...(process.env.OC_DEV ? { opencode: { dev: process.env.OC_DEV } } : {}),
       tui: { recording: true },
       project: { git: true, files: { ".opencode/plugins/probe.js": probe } },
     },
     ({ ui, llm }) =>
       Effect.gen(function* () {
         fs.rmSync(LOG, { force: true })
         yield* llm.queue(Llm.text("hi there"))
         yield* ui.submit("say hi")
         yield* ui.waitFor("hi there")
         yield* Effect.sleep("4 seconds")
         const types = fs.existsSync(LOG) ? fs.readFileSync(LOG, "utf8").trim().split("\n") : []
         const uniq = [...new Set(types)]
         yield* Effect.log(`events received: ${uniq.join(", ")}`)
         yield* Effect.log(`plugin loaded: ${types.length > 0}`)
         yield* Effect.log(`session.idle received: ${uniq.includes("session.idle")}`)
         yield* Effect.log(`session.status received: ${uniq.includes("session.status")}`)
         yield* Effect.log(`session.execution.succeeded received: ${uniq.includes("session.execution.succeeded")}`)
       }),
   )

   Run it with opencode-drive: opencode-drive run ./drive.ts. It drives opencode from your PATH; set OC_DEV to the path of an OpenCode checkout to run that from source instead.
2. opencode-agent

   added

   reproduced

   on Oct 14, 2026
3. holny commented on Oct 14, 2026

   

   holny

   on Oct 14, 2026

   Contributor

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   I'd like to take this. Confirmed the diagnosis — session.idle is marked deprecated in packages/schema/src/session-status-event.ts, and its replacement session.status is declared but never published anywhere in core/server. The natural emit points are session.execution.started (status busy) and succeeded / failed / interrupted (status idle) in packages/core/src/session/execution.ts. I'll wire those up, add a test asserting the session.status payloads land on the bus, and base against origin/dev.
4. cveilleux

   added 2 commits that reference this issue on Oct 25, 2026

   OpenCode: a turn that ends is reported idle, from session.execution.s…

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   e43cde9

   OpenCode: a turn that ends is reported idle, from session.execution.s…

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   d0b9bd4