Refresh agent assets on dev startup and remove debug files (Refs #78)

README.md

@@ -62,7 +62,6 @@ Python 3 standard library. For local development, install Node.js 22 and Python
 
 ```sh
 npm ci
-npm run agent:package
 export EC_SETUP_TOKEN=$(openssl rand -hex 32)
 export BETA_ARCHIVE_DIR=./data/beta-archive
 EC_AUTH_ALLOW_HTTP=true npm run dev
@@ -70,6 +69,7 @@ EC_AUTH_ALLOW_HTTP=true npm run dev
 
 Open `http://localhost:3000` and use the setup token from your shell. The local
 database defaults to `./data/cherry.db`; keep it separate from production data.
+`npm run dev` packages the downloadable agent before starting the server.
 
 ```sh
 npm run check