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fix(types): add null checks for optional sessionID and startedAt fields

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This commit is contained in:
justsisyphus
2026-01-19 10:35:47 +09:00
parent ebaab5aa60
commit c6fb0c701b
3 changed files with 59 additions and 25 deletions
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src/features/background-agent/manager.ts
+42 -16
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@@ -311,8 +311,10 @@ export class BackgroundManager {
for (const child of directChildren) {
result.push(child)
const descendants = this.getAllDescendantTasks(child.sessionID)
result.push(...descendants)
if (child.sessionID) {
const descendants = this.getAllDescendantTasks(child.sessionID)
result.push(...descendants)
}
}
return result
@@ -363,7 +365,9 @@ export class BackgroundManager {
existingTask.concurrencyGroup = input.concurrencyKey ?? existingTask.agent
}
subagentSessions.add(existingTask.sessionID)
if (existingTask.sessionID) {
subagentSessions.add(existingTask.sessionID)
}
this.startPolling()
// Track for batched notifications if task is pending or running
@@ -428,6 +432,10 @@ export class BackgroundManager {
throw new Error(`Task not found for session: ${input.sessionId}`)
}
if (!existingTask.sessionID) {
throw new Error(`Task has no sessionID: ${existingTask.id}`)
}
if (existingTask.status === "running") {
log("[background-agent] Resume skipped - task already running:", {
taskId: existingTask.id,
@@ -460,7 +468,9 @@ export class BackgroundManager {
}
this.startPolling()
subagentSessions.add(existingTask.sessionID)
if (existingTask.sessionID) {
subagentSessions.add(existingTask.sessionID)
}
if (input.parentSessionID) {
const pending = this.pendingByParent.get(input.parentSessionID) ?? new Set()
@@ -571,9 +581,12 @@ export class BackgroundManager {
const task = this.findBySession(sessionID)
if (!task || task.status !== "running") return
const startedAt = task.startedAt
if (!startedAt) return
// Edge guard: Require minimum elapsed time (5 seconds) before accepting idle
const elapsedMs = Date.now() - task.startedAt.getTime()
const elapsedMs = Date.now() - startedAt.getTime()
const MIN_IDLE_TIME_MS = 5000
if (elapsedMs < MIN_IDLE_TIME_MS) {
log("[background-agent] Ignoring early session.idle, elapsed:", { elapsedMs, taskId: task.id })
@@ -885,7 +898,7 @@ export class BackgroundManager {
// Note: Callers must release concurrency before calling this method
// to ensure slots are freed even if notification fails
const duration = this.formatDuration(task.startedAt, task.completedAt)
const duration = this.formatDuration(task.startedAt ?? new Date(), task.completedAt)
log("[background-agent] notifyParentSession called for task:", task.id)
@@ -1057,7 +1070,9 @@ Use \`background_output(task_id="${task.id}")\` to retrieve this result when rea
this.cleanupPendingByParent(task)
this.clearNotificationsForTask(taskId)
this.tasks.delete(taskId)
subagentSessions.delete(task.sessionID)
if (task.sessionID) {
subagentSessions.delete(task.sessionID)
}
}
}
@@ -1067,6 +1082,7 @@ Use \`background_output(task_id="${task.id}")\` to retrieve this result when rea
continue
}
const validNotifications = notifications.filter((task) => {
if (!task.startedAt) return false
const age = now - task.startedAt.getTime()
return age <= TASK_TTL_MS
})
@@ -1085,8 +1101,12 @@ Use \`background_output(task_id="${task.id}")\` to retrieve this result when rea
for (const task of this.tasks.values()) {
if (task.status !== "running") continue
if (!task.progress?.lastUpdate) continue
const startedAt = task.startedAt
const sessionID = task.sessionID
if (!startedAt || !sessionID) continue
const runtime = now - task.startedAt.getTime()
const runtime = now - startedAt.getTime()
if (runtime < MIN_RUNTIME_BEFORE_STALE_MS) continue
const timeSinceLastUpdate = now - task.progress.lastUpdate.getTime()
@@ -1105,7 +1125,7 @@ Use \`background_output(task_id="${task.id}")\` to retrieve this result when rea
}
this.client.session.abort({
path: { id: task.sessionID },
path: { id: sessionID },
}).catch(() => {})
log(`[background-agent] Task ${task.id} interrupted: stale timeout`)
@@ -1127,14 +1147,17 @@ Use \`background_output(task_id="${task.id}")\` to retrieve this result when rea
for (const task of this.tasks.values()) {
if (task.status !== "running") continue
const sessionID = task.sessionID
if (!sessionID) continue
try {
const sessionStatus = allStatuses[task.sessionID]
const sessionStatus = allStatuses[sessionID]
// Don't skip if session not in status - fall through to message-based detection
if (sessionStatus?.type === "idle") {
// Edge guard: Validate session has actual output before completing
const hasValidOutput = await this.validateSessionHasOutput(task.sessionID)
const hasValidOutput = await this.validateSessionHasOutput(sessionID)
if (!hasValidOutput) {
log("[background-agent] Polling idle but no valid output yet, waiting:", task.id)
continue
@@ -1143,7 +1166,7 @@ Use \`background_output(task_id="${task.id}")\` to retrieve this result when rea
// Re-check status after async operation
if (task.status !== "running") continue
const hasIncompleteTodos = await this.checkSessionTodos(task.sessionID)
const hasIncompleteTodos = await this.checkSessionTodos(sessionID)
if (hasIncompleteTodos) {
log("[background-agent] Task has incomplete todos via polling, waiting:", task.id)
continue
@@ -1154,7 +1177,7 @@ Use \`background_output(task_id="${task.id}")\` to retrieve this result when rea
}
const messagesResult = await this.client.session.messages({
path: { id: task.sessionID },
path: { id: sessionID },
})
if (!messagesResult.error && messagesResult.data) {
@@ -1196,14 +1219,17 @@ Use \`background_output(task_id="${task.id}")\` to retrieve this result when rea
// Stability detection: complete when message count unchanged for 3 polls
const currentMsgCount = messages.length
const elapsedMs = Date.now() - task.startedAt.getTime()
const startedAt = task.startedAt
if (!startedAt) continue
const elapsedMs = Date.now() - startedAt.getTime()
if (elapsedMs >= MIN_STABILITY_TIME_MS) {
if (task.lastMsgCount === currentMsgCount) {
task.stablePolls = (task.stablePolls ?? 0) + 1
if (task.stablePolls >= 3) {
// Edge guard: Validate session has actual output before completing
const hasValidOutput = await this.validateSessionHasOutput(task.sessionID)
const hasValidOutput = await this.validateSessionHasOutput(sessionID)
if (!hasValidOutput) {
log("[background-agent] Stability reached but no valid output, waiting:", task.id)
continue
@@ -1212,7 +1238,7 @@ Use \`background_output(task_id="${task.id}")\` to retrieve this result when rea
// Re-check status after async operation
if (task.status !== "running") continue
const hasIncompleteTodos = await this.checkSessionTodos(task.sessionID)
const hasIncompleteTodos = await this.checkSessionTodos(sessionID)
if (!hasIncompleteTodos) {
await this.tryCompleteTask(task, "stability detection")
continue