feat: embed WebUI in binary with proxy flags (#19299)

Co-authored-by: BlankParticle <blankparticle@gmail.com>

packages/opencode/script/build.ts

@@ -63,6 +63,26 @@ console.log(`Loaded ${migrations.length} migrations`)
 const singleFlag = process.argv.includes("--single")
 const baselineFlag = process.argv.includes("--baseline")
 const skipInstall = process.argv.includes("--skip-install")
+const skipEmbedWebUi = process.argv.includes("--skip-embed-web-ui")
+
+
+const createEmbeddedWebUIBundle = async()=>{
+    console.log(`Building Web UI to embed in the binary`);
+    const appDir = path.join(import.meta.dirname, "../../app")
+    await $`bun run --cwd ${appDir} build`;
+    const allFiles = await Array.fromAsync(new Bun.Glob("**/*").scan({ cwd: path.join(appDir, "dist")}));
+    const fileMap = `
+    // Import all files as file_$i with type: "file" 
+    ${allFiles.map((filePath, i) => `import file_${i} from "${path.join(appDir, "dist", filePath)}" with { type: "file" };`).join("\n")}
+    // Export with original mappings
+    export default {
+      ${allFiles.map((filePath, i)=>`"${filePath}": file_${i},`).join("\n")}
+    }
+    `.trim()
+    return fileMap;
+}
+
+const embeddedFileMap = skipEmbedWebUi ? null : await createEmbeddedWebUIBundle();
 
 const allTargets: {
   os: string
@@ -192,7 +212,10 @@ for (const item of targets) {
       execArgv: [`--user-agent=opencode/${Script.version}`, "--use-system-ca", "--"],
       windows: {},
     },
-    entrypoints: ["./src/index.ts", parserWorker, workerPath],
+    files: {
+      ...(embeddedFileMap ? { "opencode-web-ui.gen.ts": embeddedFileMap } : {}),
+    },
+    entrypoints: ["./src/index.ts", parserWorker, workerPath, ...(embeddedFileMap ? ["opencode-web-ui.gen.ts"] : [])],
     define: {
       OPENCODE_VERSION: `'${Script.version}'`,
       OPENCODE_MIGRATIONS: JSON.stringify(migrations),