feat: add hashline editing and TypeScript LSP

extensions/lsp.ts

@@ -1,28 +1,17 @@
 import lspExtension from "../node_modules/pi-lsp/extensions/pi-lsp/index.ts";
 import { getAgentDir, type ExtensionAPI } from "@earendil-works/pi-coding-agent";
-import { readFileSync, renameSync, writeFileSync } from "node:fs";
-import { join } from "node:path";
 import { fileURLToPath } from "node:url";
+import { deployBundleLspConfig } from "./lsp-config.ts";
 
-const BUNDLE_CONFIG_PATH = fileURLToPath(new URL("../config/lsp.json", import.meta.url));
-
-function deployBundleLspConfig(): void {
-	const targetPath = join(getAgentDir(), "lsp.json");
-	const bundledConfig = readFileSync(BUNDLE_CONFIG_PATH, "utf8");
-
-	try {
-		if (readFileSync(targetPath, "utf8") === bundledConfig) return;
-	} catch {
-		// Missing or unreadable target: replace it with the bundle-owned baseline.
-	}
-
-	const temporaryPath = `${targetPath}.my-pi.tmp`;
-	writeFileSync(temporaryPath, bundledConfig, "utf8");
-	renameSync(temporaryPath, targetPath);
-}
+const TYPESCRIPT_LANGUAGE_SERVER_CLI = fileURLToPath(
+	new URL("../node_modules/typescript-language-server/lib/cli.mjs", import.meta.url),
+);
 
 /** Deploy the bundle-owned LSP config before registering pi-lsp. */
 export default function bundledLspExtension(pi: ExtensionAPI): void {
-	deployBundleLspConfig();
+	deployBundleLspConfig(getAgentDir(), {
+		nodeBinary: process.execPath,
+		serverCliPath: TYPESCRIPT_LANGUAGE_SERVER_CLI,
+	});
 	lspExtension(pi);
 }