From 6cdbb6b4eb06c71d7726d463cd0ee8333d97f8d0 Mon Sep 17 00:00:00 2001
From: Aiden Cline <aidenpcline@gmail.com>
Date: Sun, 18 Jan 2026 22:08:08 -0600
Subject: [PATCH] core: ensure shared scheduler tasks run once with multiple
 projects open

---
 packages/opencode/test/scheduler.test.ts | 73 ++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 packages/opencode/test/scheduler.test.ts

diff --git a/packages/opencode/test/scheduler.test.ts b/packages/opencode/test/scheduler.test.ts
new file mode 100644
index 0000000000..328daad9b8
--- /dev/null
+++ b/packages/opencode/test/scheduler.test.ts
@@ -0,0 +1,73 @@
+import { describe, expect, test } from "bun:test"
+import { Scheduler } from "../src/scheduler"
+import { Instance } from "../src/project/instance"
+import { tmpdir } from "./fixture/fixture"
+
+describe("Scheduler.register", () => {
+  const hour = 60 * 60 * 1000
+
+  test("defaults to instance scope per directory", async () => {
+    await using one = await tmpdir({ git: true })
+    await using two = await tmpdir({ git: true })
+    const runs = { count: 0 }
+    const id = "scheduler.instance." + Math.random().toString(36).slice(2)
+    const task = {
+      id,
+      interval: hour,
+      run: async () => {
+        runs.count += 1
+      },
+    }
+
+    await Instance.provide({
+      directory: one.path,
+      fn: async () => {
+        Scheduler.register(task)
+        await Instance.dispose()
+      },
+    })
+    expect(runs.count).toBe(1)
+
+    await Instance.provide({
+      directory: two.path,
+      fn: async () => {
+        Scheduler.register(task)
+        await Instance.dispose()
+      },
+    })
+    expect(runs.count).toBe(2)
+  })
+
+  test("global scope runs once across instances", async () => {
+    await using one = await tmpdir({ git: true })
+    await using two = await tmpdir({ git: true })
+    const runs = { count: 0 }
+    const id = "scheduler.global." + Math.random().toString(36).slice(2)
+    const task = {
+      id,
+      interval: hour,
+      run: async () => {
+        runs.count += 1
+      },
+      scope: "global" as const,
+    }
+
+    await Instance.provide({
+      directory: one.path,
+      fn: async () => {
+        Scheduler.register(task)
+        await Instance.dispose()
+      },
+    })
+    expect(runs.count).toBe(1)
+
+    await Instance.provide({
+      directory: two.path,
+      fn: async () => {
+        Scheduler.register(task)
+        await Instance.dispose()
+      },
+    })
+    expect(runs.count).toBe(1)
+  })
+})