/**
* User Message Handler - SessionStart (parallel)
*
* Extracted from user-message-hook.ts - displays context info to user via stderr.
* Uses exit code 3 to show user message without injecting into Claude's context.
*/
import { basename } from 'path';
import type { EventHandler, NormalizedHookInput, HookResult } from '../types.js';
import { ensureWorkerRunning, getWorkerPort } from '../../common/engine-utils.js';
import { HOOK_EXIT_CODES } from '../../common/hook-constants.js';
export const userMessageHandler: EventHandler = {
async execute(input: NormalizedHookInput): Promise<HookResult> {
// Ensure worker is running
await ensureWorkerRunning();
const port = getWorkerPort();
const project = basename(input.cwd ?? process.cwd());
// Fetch formatted context directly from worker API
// Note: Removed AbortSignal.timeout to avoid Windows Bun cleanup issue (libuv assertion)
const response = await fetch(
`http://127.0.0.1:${port}/api/context/inject?project=${encodeURIComponent(project)}&colors=true`,
{ method: 'GET' }
);
if (!response.ok) {
throw new Error(`Failed to fetch context: ${response.status}`);
}
const output = await response.text();
// Write to stderr for user visibility (Claude Code UI shows stderr)
console.error(
"\n\n" + String.fromCodePoint(0x1F4DD) + " claude-recall Context Loaded\n" +
" " + String.fromCodePoint(0x2139, 0xFE0F) + " Note: This appears as stderr but is informational only\n\n" +
output +
"\n\n" + String.fromCodePoint(0x1F4A1) + " Tip: Wrap any message with <private> ... </private> to prevent storing sensitive information.\n" +
`\n` + String.fromCodePoint(0x1F4FA) + ` Watch live in browser http://localhost:${port}/\n`
);
return { exitCode: HOOK_EXIT_CODES.USER_MESSAGE_ONLY };
}
};
