feat: support Codex goal slash command

shared/src/schemas.ts

@@ -138,6 +138,22 @@ export const TeamStateSchema = z.object({
 
 export type TeamState = z.infer<typeof TeamStateSchema>
 
+export const ThreadGoalStatusSchema = z.enum(['active', 'paused', 'budgetLimited', 'complete'])
+export type ThreadGoalStatus = z.infer<typeof ThreadGoalStatusSchema>
+
+export const ThreadGoalSchema = z.object({
+    threadId: z.string(),
+    objective: z.string(),
+    status: ThreadGoalStatusSchema,
+    tokenBudget: z.number().nullable().optional(),
+    tokensUsed: z.number().optional().default(0),
+    timeUsedSeconds: z.number().optional().default(0),
+    createdAt: z.number().optional().default(0),
+    updatedAt: z.number().optional().default(0)
+})
+
+export type ThreadGoal = z.infer<typeof ThreadGoalSchema>
+
 export const AttachmentMetadataSchema = z.object({
     id: z.string(),
     filename: z.string(),

shared/src/types.ts

@@ -11,6 +11,8 @@ export type {
     TeamMessage,
     TeamState,
     TeamTask,
+    ThreadGoal,
+    ThreadGoalStatus,
     TodoItem,
     WorktreeMetadata
 } from './schemas'