# Code coverage report for src/trpc/routers/agent.ts

# All files / src/trpc/routers agent.ts

18.18% Statements 16/88
14.28% Branches 4/28
28% Functions 7/25
18.82% Lines 16/85

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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();
            }
          }),
      };
    }