Function handleRequest

src/daemon/request-router.ts:93–119

(req: DaemonRequest)

  const { sessionStore, leaseRegistry } = deps;

  async function handleRequest(req: DaemonRequest): Promise<DaemonResponse> {
    const start = Date.now();
    const debug = Boolean(req.meta?.debug || req.flags?.verbose);
    return await withDiagnosticsScope(
      {
        session: req.session,
        requestId: req.meta?.requestId,
        command: req.command,
        debug,
        logPath,
      },
      async () => {
        const response = await runRequestWithinScope(req);
        // Phase 2 (typed errors) graft: enrich error responses with additive,
        // machine-readable signals — `supportedOn` for platform mismatches and
        // `retriable` for transient failures — so an agent self-corrects without a
        // wasted round-trip. Returned unchanged when neither applies, so the
        // default error wire shape is preserved.
        if (!response.ok) {
          return { ok: false, error: enrichDaemonError(req.command, response.error) };
        }
        // Phase 4 (agent-cost) grafts on the success path. Runs inside the
        // diagnostics scope so cost can read this request's runner-round-trip tally.
        return applyAgentCostGrafts(req, response, start);
      },
    );
  }

  async function runRequestWithinScope(req: DaemonRequest): Promise<DaemonResponse> {
    if (!timingSafeStringEqual(req.token, token)) {