relax task timeouts: stale timeout 3min→20min, session wait 30s→1min

src/features/background-agent/constants.ts

@@ -4,7 +4,7 @@ import type { BackgroundTask, LaunchInput } from "./types"
 export const TASK_TTL_MS = 30 * 60 * 1000
 export const TERMINAL_TASK_TTL_MS = 30 * 60 * 1000
 export const MIN_STABILITY_TIME_MS = 10 * 1000
-export const DEFAULT_STALE_TIMEOUT_MS = 180_000
+export const DEFAULT_STALE_TIMEOUT_MS = 1_200_000
 export const DEFAULT_MESSAGE_STALENESS_TIMEOUT_MS = 1_800_000
 export const DEFAULT_MAX_TOOL_CALLS = 200
 export const DEFAULT_CIRCUIT_BREAKER_WINDOW_SIZE = 20

src/features/background-agent/default-stale-timeout.test.ts

@@ -0,0 +1,17 @@
+declare const require: (name: string) => any
+const { describe, expect, test } = require("bun:test")
+
+import { DEFAULT_STALE_TIMEOUT_MS } from "./constants"
+
+describe("DEFAULT_STALE_TIMEOUT_MS", () => {
+  test("uses a 20 minute default", () => {
+    // #given
+    const expectedTimeout = 20 * 60 * 1000
+
+    // #when
+    const timeout = DEFAULT_STALE_TIMEOUT_MS
+
+    // #then
+    expect(timeout).toBe(expectedTimeout)
+  })
+})

src/features/background-agent/manager.test.ts

@@ -3027,10 +3027,10 @@ describe("BackgroundManager.checkAndInterruptStaleTasks", () => {
       prompt: "Test",
       agent: "test-agent",
       status: "running",
-      startedAt: new Date(Date.now() - 300_000),
+      startedAt: new Date(Date.now() - 25 * 60 * 1000),
       progress: {
         toolCalls: 1,
-        lastUpdate: new Date(Date.now() - 200_000),
+        lastUpdate: new Date(Date.now() - 21 * 60 * 1000),
       },
     }