From 6281f1712485d5724a2132b5c04ee05f613a7fa4 Mon Sep 17 00:00:00 2001
From: James Long <longster@gmail.com>
Date: Wed, 1 Jul 2026 14:11:14 -0400
Subject: [PATCH] fix: avoid simulation hook in mini mode

---
 packages/opencode/specs/simulation-phases.md          |  6 +++---
 .../opencode/src/cli/cmd/run/runtime.lifecycle.ts     | 11 -----------
 2 files changed, 3 insertions(+), 14 deletions(-)

diff --git a/packages/opencode/specs/simulation-phases.md b/packages/opencode/specs/simulation-phases.md
index 068476f5c5..2d715e0a56 100644
--- a/packages/opencode/specs/simulation-phases.md
+++ b/packages/opencode/specs/simulation-phases.md
@@ -12,14 +12,14 @@ This phase proves the core shape without swapping every foundational layer yet.
 
 Implementation checklist:
 
-- [x] Add `OPENCODE_SIMULATION=1` activation in TUI startup.
+- [ ] Add `OPENCODE_SIMULATION=1` activation in V1/full-TUI startup.
 - [x] Add simulation trace service with in-memory append-only records.
 - [x] Add OpenTUI UI state extraction for screen, focus, elements, and generated actions.
 - [x] Add OpenTUI UI action execution for typing, keys, enter, arrows, focus, and click.
-- [x] Add TUI-owned JSON-RPC WebSocket server on `127.0.0.1:40900+`.
+- [x] Add reusable JSON-RPC WebSocket server on `127.0.0.1:40900+`.
 - [x] Expose `ui.state`, `ui.action`, `ui.render`.
 - [x] Expose `trace.list`, `trace.clear`, `trace.export`.
-- [x] Ensure fake and visible renderer paths share the same action protocol.
+- [ ] Wire fake and visible V1/full-TUI renderer paths through the same action protocol.
 - [ ] Verify a local driver can inspect state and execute a real TUI input.
 
 Scope:
diff --git a/packages/opencode/src/cli/cmd/run/runtime.lifecycle.ts b/packages/opencode/src/cli/cmd/run/runtime.lifecycle.ts
index 0e5ad842f7..c17191ab9c 100644
--- a/packages/opencode/src/cli/cmd/run/runtime.lifecycle.ts
+++ b/packages/opencode/src/cli/cmd/run/runtime.lifecycle.ts
@@ -229,8 +229,6 @@ export async function createRuntimeLifecycle(input: LifecycleInput): Promise<Lif
     const { RunFooter } = await footerTask
     let closed = false
     let sigintRegistered = false
-    let simulation: { readonly url: string; readonly stop: () => void } | undefined
-
     const footer = new RunFooter(renderer, {
       directory: input.directory,
       findFiles: input.findFiles,
@@ -281,13 +279,6 @@ export async function createRuntimeLifecycle(input: LifecycleInput): Promise<Lif
       onSubagentInterrupt: input.onSubagentInterrupt,
     })
 
-    if (process.env.OPENCODE_SIMULATION === "1" || process.env.OPENCODE_SIMULATION === "true") {
-      const { SimulationActions } = await import("@/testing/simulation/actions")
-      const { SimulationServer } = await import("@/testing/simulation/server")
-      simulation = SimulationServer.start(SimulationActions.createHarness(renderer))
-      if (simulation) process.stderr.write(`opencode simulation websocket: ${simulation.url}\n`)
-    }
-
     const sigint = () => {
       footer.requestExit()
     }
@@ -348,8 +339,6 @@ export async function createRuntimeLifecycle(input: LifecycleInput): Promise<Lif
           await renderer.idle().catch(() => {})
         }
       } finally {
-        simulation?.stop()
-        simulation = undefined
         footer.close()
         await footer.idle().catch(() => {})
         footer.destroy()