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* Agent Router — spawn, stop, delete, list, get, resume, result, questions, output
*/
import { TRPCError } from '@trpc/server';
import { z } from 'zod';
import { tracked, type TrackedEnvelope } from '@trpc/server';
import type { ProcedureBuilder } from '../trpc.js';
import type { TRPCContext } from '../context.js';
import type { AgentInfo, AgentResult, PendingQuestions } from '../../agent/types.js';
import type { AgentOutputEvent } from '../../events/types.js';
import { requireAgentManager, requireLogChunkRepository } from './_helpers.js';
export const spawnAgentInputSchema = z.object({
name: z.string().min(1).optional(),
taskId: z.string().min(1),
prompt: z.string().min(1),
cwd: z.string().optional(),
mode: z.enum(['execute', 'discuss', 'plan', 'detail', 'refine']).optional(),
provider: z.string().optional(),
initiativeId: z.string().min(1).optional(),
});
export type SpawnAgentInput = z.infer<typeof spawnAgentInputSchema>;
export const agentIdentifierSchema = z.object({
name: z.string().optional(),
id: z.string().optional(),
}).refine(data => data.name || data.id, {
message: 'Either name or id must be provided',
});
export type AgentIdentifier = z.infer<typeof agentIdentifierSchema>;
export const resumeAgentInputSchema = z.object({
name: z.string().optional(),
id: z.string().optional(),
answers: z.record(z.string(), z.string()),
}).refine(data => data.name || data.id, {
message: 'Either name or id must be provided',
});
export type ResumeAgentInput = z.infer<typeof resumeAgentInputSchema>;
async function resolveAgent(
ctx: TRPCContext,
input: { name?: string; id?: string }
): Promise<AgentInfo> {
Iif (!ctx.agentManager) {
throw new TRPCError({
code: 'INTERNAL_SERVER_ERROR',
message: 'Agent manager not available',
});
}
const agent = input.name
? await ctx.agentManager.getByName(input.name)
: await ctx.agentManager.get(input.id!);
if (!agent) {
throw new TRPCError({
code: 'NOT_FOUND',
message: `Agent '${input.name ?? input.id}' not found`,
});
}
return agent;
}
export function agentProcedures(publicProcedure: ProcedureBuilder) {
return {
spawnAgent: publicProcedure
.input(spawnAgentInputSchema)
.mutation(async ({ ctx, input }) => {
const agentManager = requireAgentManager(ctx);
return agentManager.spawn({
name: input.name,
taskId: input.taskId,
prompt: input.prompt,
cwd: input.cwd,
mode: input.mode,
provider: input.provider,
initiativeId: input.initiativeId,
});
}),
stopAgent: publicProcedure
.input(agentIdentifierSchema)
.mutation(async ({ ctx, input }) => {
const agentManager = requireAgentManager(ctx);
const agent = await resolveAgent(ctx, input);
await agentManager.stop(agent.id);
return { success: true, name: agent.name };
}),
deleteAgent: publicProcedure
.input(agentIdentifierSchema)
.mutation(async ({ ctx, input }) => {
const agentManager = requireAgentManager(ctx);
const agent = await resolveAgent(ctx, input);
await agentManager.delete(agent.id);
return { success: true, name: agent.name };
}),
dismissAgent: publicProcedure
.input(agentIdentifierSchema)
.mutation(async ({ ctx, input }) => {
const agentManager = requireAgentManager(ctx);
const agent = await resolveAgent(ctx, input);
await agentManager.dismiss(agent.id);
return { success: true, name: agent.name };
}),
listAgents: publicProcedure
.query(async ({ ctx }) => {
const agentManager = requireAgentManager(ctx);
return agentManager.list();
}),
getAgent: publicProcedure
.input(agentIdentifierSchema)
.query(async ({ ctx, input }) => {
return resolveAgent(ctx, input);
}),
getAgentByName: publicProcedure
.input(z.object({ name: z.string().min(1) }))
.query(async ({ ctx, input }) => {
const agentManager = requireAgentManager(ctx);
return agentManager.getByName(input.name);
}),
resumeAgent: publicProcedure
.input(resumeAgentInputSchema)
.mutation(async ({ ctx, input }) => {
const agentManager = requireAgentManager(ctx);
const agent = await resolveAgent(ctx, input);
await agentManager.resume(agent.id, input.answers);
return { success: true, name: agent.name };
}),
getAgentResult: publicProcedure
.input(agentIdentifierSchema)
.query(async ({ ctx, input }): Promise<AgentResult | null> => {
const agentManager = requireAgentManager(ctx);
const agent = await resolveAgent(ctx, input);
return agentManager.getResult(agent.id);
}),
getAgentQuestions: publicProcedure
.input(agentIdentifierSchema)
.query(async ({ ctx, input }): Promise<PendingQuestions | null> => {
const agentManager = requireAgentManager(ctx);
const agent = await resolveAgent(ctx, input);
return agentManager.getPendingQuestions(agent.id);
}),
listWaitingAgents: publicProcedure
.query(async ({ ctx }) => {
const agentManager = requireAgentManager(ctx);
const allAgents = await agentManager.list();
return allAgents.filter(agent => agent.status === 'waiting_for_input');
}),
getActiveRefineAgent: publicProcedure
.input(z.object({ initiativeId: z.string().min(1) }))
.query(async ({ ctx, input }): Promise<AgentInfo | null> => {
const agentManager = requireAgentManager(ctx);
const allAgents = await agentManager.list();
const candidates = allAgents
.filter(
(a) =>
a.mode === 'refine' &&
a.initiativeId === input.initiativeId &&
['running', 'waiting_for_input', 'idle', 'crashed'].includes(a.status) &&
!a.userDismissedAt,
)
.sort(
(a, b) =>
new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime(),
);
return candidates[0] ?? null;
}),
getAgentOutput: publicProcedure
.input(agentIdentifierSchema)
.query(async ({ ctx, input }): Promise<string> => {
const agent = await resolveAgent(ctx, input);
const logChunkRepo = requireLogChunkRepository(ctx);
const chunks = await logChunkRepo.findByAgentId(agent.id);
return chunks.map(c => c.content).join('');
}),
onAgentOutput: publicProcedure
.input(z.object({ agentId: z.string().min(1) }))
.subscription(async function* (opts): AsyncGenerator<TrackedEnvelope<{ agentId: string; data: string }>> {
const { agentId } = opts.input;
const signal = opts.signal ?? new AbortController().signal;
const eventBus = opts.ctx.eventBus;
let eventCounter = 0;
const queue: string[] = [];
let resolve: (() => void) | null = null;
const handler = (event: AgentOutputEvent) => {
if (event.payload.agentId !== agentId) return;
queue.push(event.payload.data);
if (resolve) {
const r = resolve;
resolve = null;
r();
}
};
eventBus.on('agent:output', handler);
const cleanup = () => {
eventBus.off('agent:output', handler);
if (resolve) {
const r = resolve;
resolve = null;
r();
}
};
signal.addEventListener('abort', cleanup, { once: true });
try {
while (!signal.aborted) {
while (queue.length > 0) {
const data = queue.shift()!;
const id = `${agentId}-live-${eventCounter++}`;
yield tracked(id, { agentId, data });
}
if (!signal.aborted) {
await new Promise<void>((r) => {
resolve = r;
});
}
}
} finally {
cleanup();
}
}),
};
}
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