chore: Fix TypeScript errors 4/n.

src/agents/subagent-announce.ts

@@ -369,7 +369,12 @@ export async function runSubagentAnnounceFlow(params: {
     let outcome: SubagentRunOutcome | undefined = params.outcome;
     if (!reply && params.waitForCompletion !== false) {
       const waitMs = Math.min(params.timeoutMs, 60_000);
-      const wait = await callGateway({
+      const wait = await callGateway<{
+        status?: string;
+        startedAt?: number;
+        endedAt?: number;
+        error?: string;
+      }>({
         method: "agent.wait",
         params: {
           runId: params.childRunId,

src/agents/subagent-registry.ts

@@ -322,7 +322,12 @@ export function registerSubagentRun(params: {
 async function waitForSubagentCompletion(runId: string, waitTimeoutMs: number) {
   try {
     const timeoutMs = Math.max(1, Math.floor(waitTimeoutMs));
-    const wait = await callGateway({
+    const wait = await callGateway<{
+      status?: string;
+      startedAt?: number;
+      endedAt?: number;
+      error?: string;
+    }>({
       method: "agent.wait",
       params: {
         runId,

src/agents/tools/agent-step.ts

@@ -9,7 +9,7 @@ export async function readLatestAssistantReply(params: {
   sessionKey: string;
   limit?: number;
 }): Promise<string | undefined> {
-  const history = await callGateway({
+  const history = await callGateway<{ messages: Array<unknown> }>({
     method: "chat.history",
     params: { sessionKey: params.sessionKey, limit: params.limit ?? 50 },
   });
@@ -27,7 +27,7 @@ export async function runAgentStep(params: {
   lane?: string;
 }): Promise<string | undefined> {
   const stepIdem = crypto.randomUUID();
-  const response = await callGateway({
+  const response = await callGateway<{ runId?: string }>({
     method: "agent",
     params: {
       message: params.message,
@@ -44,7 +44,7 @@ export async function runAgentStep(params: {
   const stepRunId = typeof response?.runId === "string" && response.runId ? response.runId : "";
   const resolvedRunId = stepRunId || stepIdem;
   const stepWaitMs = Math.min(params.timeoutMs, 60_000);
-  const wait = await callGateway({
+  const wait = await callGateway<{ status?: string }>({
     method: "agent.wait",
     params: {
       runId: resolvedRunId,