chore: use dist as the single extension output dir

scripts/build-output-path.mjs

@@ -0,0 +1,5 @@
+import path from "node:path";
+
+export function resolveExtensionBuildDir(projectRoot, _buildTarget) {
+  return path.join(projectRoot, "dist");
+}

scripts/build.mjs

@@ -3,15 +3,13 @@ import path from "node:path";
 import { fileURLToPath } from "node:url";
 import { build } from "tsup";
 import { createManifest } from "./manifest.mjs";
+import { resolveExtensionBuildDir } from "./build-output-path.mjs";
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
 const projectRoot = path.resolve(__dirname, "..");
 const buildTarget = process.env.BUILD_TARGET === "release" ? "release" : "development";
-const distDir = path.join(
-  projectRoot,
-  buildTarget === "release" ? "dist-release" : "dist"
-);
+const distDir = resolveExtensionBuildDir(projectRoot, buildTarget);
 
 await rm(distDir, { recursive: true, force: true });
 await mkdir(path.join(distDir, "content"), { recursive: true });

scripts/package-release.mjs

@@ -2,10 +2,11 @@ import { mkdir, rm } from "node:fs/promises";
 import path from "node:path";
 import { fileURLToPath } from "node:url";
 import { createReleaseArchive } from "./package-release-archive.mjs";
+import { resolveExtensionBuildDir } from "./build-output-path.mjs";
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
 const projectRoot = path.resolve(__dirname, "..");
-const sourceDir = path.join(projectRoot, "dist-release");
+const sourceDir = resolveExtensionBuildDir(projectRoot, "release");
 const releaseDir = path.join(projectRoot, "release");
 const archivePath = path.join(
   releaseDir,