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fix: Handle spawn and branch failures gracefully in dispatch cycle

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Wrap agentManager.spawn() in try/catch — on failure, block the task
instead of crashing the entire dispatch cycle. Move phase status update
to after branch creation succeeds — on branch failure, block the phase
and skip task queuing. Fix statement-breakpoint markers in migration
0020 to use separate lines.
This commit is contained in:
Lukas May
2026-03-05 16:36:39 +01:00
parent 42f5bcb80a
commit da8c714de2
4 changed files with 36 additions and 20 deletions
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28
apps/server/dispatch/manager.ts
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@@ -15,7 +15,7 @@ import type {
TaskDispatchedEvent,
TaskPendingApprovalEvent,
} from '../events/index.js';
import type { AgentManager, AgentResult } from '../agent/types.js';
import type { AgentManager, AgentResult, AgentInfo } from '../agent/types.js';
import type { TaskRepository } from '../db/repositories/task-repository.js';
import type { MessageRepository } from '../db/repositories/message-repository.js';
import type { AgentRepository } from '../db/repositories/agent-repository.js';
@@ -397,15 +397,23 @@ export class DefaultDispatchManager implements DispatchManager {
}
// Spawn agent with task (alias auto-generated by agent manager)
const agent = await this.agentManager.spawn({
taskId: nextTask.taskId,
initiativeId: task.initiativeId ?? undefined,
phaseId: task.phaseId ?? undefined,
prompt: buildExecutePrompt(task.description || task.name),
baseBranch,
branchName,
inputContext,
});
let agent: AgentInfo;
try {
agent = await this.agentManager.spawn({
taskId: nextTask.taskId,
initiativeId: task.initiativeId ?? undefined,
phaseId: task.phaseId ?? undefined,
prompt: buildExecutePrompt(task.description || task.name),
baseBranch,
branchName,
inputContext,
});
} catch (err) {
const reason = `Spawn failed: ${err instanceof Error ? err.message : String(err)}`;
log.error({ taskId: nextTask.taskId, err: reason }, 'agent spawn failed, blocking task');
await this.blockTask(nextTask.taskId, reason);
return { success: false, taskId: nextTask.taskId, reason };
}
log.info({ taskId: nextTask.taskId, agentId: agent.id }, 'task dispatched');