Add prompt & params to subagent_start and subagent_end events

Author: jahooma

common/src/types/print-mode.ts

@@ -65,6 +65,8 @@ export const printModeSubagentStartSchema = z.object({
   displayName: z.string(),
   onlyChild: z.boolean(),
   parentAgentId: z.string().optional(),
+  params: z.record(z.string(), z.any()).optional(),
+  prompt: z.string().optional(),
 })
 export type PrintModeSubagentStart = z.infer<
   typeof printModeSubagentStartSchema
@@ -77,6 +79,8 @@ export const printModeSubagentFinishSchema = z.object({
   displayName: z.string(),
   onlyChild: z.boolean(),
   parentAgentId: z.string().optional(),
+  params: z.record(z.string(), z.any()).optional(),
+  prompt: z.string().optional(),
 })
 export type PrintModeSubagentFinish = z.infer<
   typeof printModeSubagentFinishSchema

packages/agent-runtime/src/tools/handlers/tool/spawn-agent-utils.ts

@@ -327,6 +327,8 @@ export async function executeSubagent(
     parentAgentState,
     isOnlyChild,
     ancestorRunIds,
+    prompt,
+    spawnParams,
   } = withDefaults
 
   const startEvent = {
@@ -336,6 +338,8 @@ export async function executeSubagent(
     displayName: agentTemplate.displayName,
     onlyChild: isOnlyChild,
     parentAgentId: parentAgentState.agentId,
+    prompt,
+    params: spawnParams,
   }
   onResponseChunk(startEvent)
 
@@ -352,6 +356,8 @@ export async function executeSubagent(
     displayName: agentTemplate.displayName,
     onlyChild: isOnlyChild,
     parentAgentId: parentAgentState.agentId,
+    prompt,
+    params: spawnParams,
   })
 
   if (result.agentState.runId) {