Create proto descriptor set in build-protos.js script. (RooCodeInc#3524)

* Create proto descriptor set in build-protos.js script.

Create the descriptor set that will be used by the standalone cline service.
Add the standalone dist directory to the gitignore.
Only call protoc once when generating typescript files, instead of for each file separately.

* Fix undefined var in error message

* Inline the exec options

Author: sjf

.gitignore

@@ -1,5 +1,6 @@
 out
 dist
+dist-standalone
 node_modules
 tmp
 .vscode-test/

proto/build-proto.js

@@ -55,30 +55,42 @@ async function main() {
 
 	// Process all proto files
 	console.log(chalk.cyan("Processing proto files from"), SCRIPT_DIR)
-	const protoFiles = await globby("*.proto", { cwd: SCRIPT_DIR })
-
-	for (const protoFile of protoFiles) {
-		console.log(chalk.cyan(`Generating TypeScript code for ${protoFile}...`))
-
-		// Build the protoc command with proper path handling for cross-platform
-		const protocCommand = [
-			protoc,
-			`--plugin=protoc-gen-ts_proto="${tsProtoPlugin}"`,
-			`--ts_proto_out="${TS_OUT_DIR}"`,
-			"--ts_proto_opt=outputServices=generic-definitions,env=node,esModuleInterop=true,useDate=false,useOptionals=messages",
-			`--proto_path="${SCRIPT_DIR}"`,
-			`"${path.join(SCRIPT_DIR, protoFile)}"`,
-		].join(" ")
+	const protoFiles = await globby("*.proto", { cwd: SCRIPT_DIR, absolute: true })
+
+	// Build the protoc command with proper path handling for cross-platform
+	const tsProtocCommand = [
+		protoc,
+		`--proto_path="${SCRIPT_DIR}"`,
+		`--plugin=protoc-gen-ts_proto="${tsProtoPlugin}"`,
+		`--ts_proto_out="${TS_OUT_DIR}"`,
+		"--ts_proto_opt=outputServices=generic-definitions,env=node,esModuleInterop=true,useDate=false,useOptionals=messages",
+		...protoFiles,
+	].join(" ")
+	try {
+		console.log(chalk.cyan(`Generating TypeScript code for:\n${protoFiles.join("\n")}...`))
+		execSync(tsProtocCommand, { stdio: "inherit" })
+	} catch (error) {
+		console.error(chalk.red("Error generating TypeScript for proto files:"), error)
+		process.exit(1)
+	}
 
-		try {
-			const execOptions = {
-				stdio: "inherit",
-			}
-			execSync(protocCommand, execOptions)
-		} catch (error) {
-			console.error(chalk.red(`Error generating TypeScript for ${protoFile}:`), error)
-			process.exit(1)
-		}
+	const descriptorOutDir = path.join(ROOT_DIR, "dist-standalone", "proto")
+	await fs.mkdir(descriptorOutDir, { recursive: true })
+
+	const descriptorFile = path.join(descriptorOutDir, "descriptor_set.pb")
+	const descriptorProtocCommand = [
+		protoc,
+		`--proto_path="${SCRIPT_DIR}"`,
+		`--descriptor_set_out="${descriptorFile}"`,
+		"--include_imports",
+		...protoFiles,
+	].join(" ")
+	try {
+		console.log(chalk.cyan("Generating descriptor set..."))
+		execSync(descriptorProtocCommand, { stdio: "inherit" })
+	} catch (error) {
+		console.error(chalk.red("Error generating descriptor set for proto file:"), error)
+		process.exit(1)
 	}
 
 	console.log(chalk.green("Protocol Buffer code generation completed successfully."))