Exclude .map files from embedded web UI in CLI binary

The CLI build embeds all web UI assets including 25MB of JavaScript source maps (.map files). These are only used for Sentry uploads in the hosted deployment — dead weight in a compiled Bun binary.

One-line filter in build.ts's glob excludes .map files from embedding.

Experiments: #2
Metric: size_kb 167,666 → 143,658 (-14.3%)

Author: PanAchy

packages/opencode/script/build.ts

@@ -61,6 +61,7 @@ const createEmbeddedWebUIBundle = async () => {
   await $`bun run --cwd ${appDir} build`
   const files = (await Array.fromAsync(new Bun.Glob("**/*").scan({ cwd: dist })))
     .map((file) => file.replaceAll("\\", "/"))
+    .filter((file) => !file.endsWith(".map"))
     .sort()
   const imports = files.map((file, i) => {
     const spec = path.relative(dir, path.join(dist, file)).replaceAll("\\", "/")