Fix SSE event type to include prompt_json field

The prompt SSE event now includes prompt_json to transmit structured
prompt data to the dashboard for rich prompt rendering.

src/db.ts

@@ -1,7 +1,7 @@
 // SQLite database schema and queries
 
 import { Database } from "bun:sqlite";
-import type { Device, OutputLog, Session, PromptData } from "./types";
+import type { Device, OutputLog, PromptData, Session } from "./types";
 
 // Extend Prompt interface to include prompt_json field
 export interface Prompt {
@@ -153,9 +153,18 @@ export function getActiveSessions(): Session[] {
 
 // Prompt functions
 
-export function createPrompt(sessionId: number, promptText: string, promptJson?: string): Prompt {
+export function createPrompt(
+  sessionId: number,
+  promptText: string,
+  promptJson?: string,
+): Prompt {
   const now = Date.now();
-  const row = createPromptStmt.get(sessionId, now, promptText, promptJson ?? null);
+  const row = createPromptStmt.get(
+    sessionId,
+    now,
+    promptText,
+    promptJson ?? null,
+  );
   const prompt = row as any;
 
   // Parse prompt_json if present

src/types.ts

@@ -71,7 +71,11 @@ export interface ExitPlanPrompt {
   options: PromptOption[];
 }
 
-export type PromptData = PermissionPrompt | QuestionPrompt | ExitPlanPrompt | null;
+export type PromptData =
+  | PermissionPrompt
+  | QuestionPrompt
+  | ExitPlanPrompt
+  | null;
 
 export type AnswerResponse =
   | { type: "option"; value: string }
@@ -109,6 +113,7 @@ export type SSEEvent =
       prompt_id: number;
       session_id: number;
       prompt_text: string;
+      prompt_json?: string | null;
     }
   | {
       type: "prompt_response";