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fix(automation): create workspace + launch agent in a single relay call (SUPER-783) #4936

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fix(automation): create workspace + launch agent in a single relay call (SUPER-783) #4936

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65 changes: 41 additions & 24 deletions packages/trpc/src/router/automation/dispatch.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -101,29 +101,30 @@ export async function dispatchAutomation(
host.machineId,
);

let result: AgentRunResult;
if (automation.v2WorkspaceId) {
workspaceId = automation.v2WorkspaceId;
result = await runAgentOnHost({
relayUrl,
hostId: routingKey,
jwt,
workspaceId,
agent: automation.agent,
prompt: automation.prompt,
});
} else {
const created = await createWorkspaceOnHost({
const created = await createWorkspaceWithAgentOnHost({
relayUrl,
hostId: routingKey,
jwt,
projectId: automation.v2ProjectId,
automation,
runId: run.id,
agent: { agent: automation.agent, prompt: automation.prompt },
});
workspaceId = created.workspaceId;
result = created.agent;
}

const result = await runAgentOnHost({
relayUrl,
hostId: routingKey,
jwt,
workspaceId,
agent: automation.agent,
prompt: automation.prompt,
});

await dbWs
.update(automationRuns)
.set({
Expand Down Expand Up @@ -224,14 +225,14 @@ async function recordSkipped(
return row;
}

async function createWorkspaceOnHost(args: {
async function createWorkspaceWithAgentOnHost(args: {
relayUrl: string;
hostId: string;
jwt: string;
projectId: string;
automation: SelectAutomation;
runId: string;
}): Promise<{ workspaceId: string; branchName: string }> {
agent: { agent: string; prompt: string };
}): Promise<{ workspaceId: string; agent: AgentRunResult }> {
// Full-precision timestamp keeps branch names readable AND collision-free
// for anything coarser than 1 second.
// e.g. "2026-04-19-17-30-00"
Expand All @@ -244,22 +245,20 @@ async function createWorkspaceOnHost(args: {
const branchName = deduplicateBranchName(candidateBranch, []);
const workspaceName = args.automation.name.slice(0, 100);

type AgentLaunchResult =
| ({ ok: true } & AgentRunResult)
| { ok: false; error: string };

const result = await relayMutation<
{
projectId: string;
name: string;
branch: string;
agents: Array<{ agent: string; prompt: string }>;
},
{
workspace: {
id: string;
projectId: string;
name: string;
branch: string;
};
terminals: Array<{ terminalId: string; label?: string }>;
agents: Array<unknown>;
alreadyExists: boolean;
workspace: { id: string };
agents: AgentLaunchResult[];
}
>(
{
Expand All @@ -275,10 +274,28 @@ async function createWorkspaceOnHost(args: {
projectId: args.projectId,
name: workspaceName,
branch: branchName,
agents: [args.agent],
},
);

return { workspaceId: result.workspace.id, branchName };
const agentResult = result.agents[0];
if (!agentResult) {
throw new Error(
`workspace ${result.workspace.id} created but host returned no agent result`,
);
}
if (!agentResult.ok) {
throw new Error(`agent launch failed: ${agentResult.error}`);
}

return {
workspaceId: result.workspace.id,
agent: {
kind: agentResult.kind,
sessionId: agentResult.sessionId,
label: agentResult.label,
},
};
}

async function runAgentOnHost(args: {
Expand Down