chore: reduce and document dependency risk

scripts/generate-source-manifest.mjs

@@ -4,7 +4,7 @@ import path from 'node:path';
 import { fileURLToPath } from 'node:url';
 
 const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');
-const excludedDirectories = new Set(['.git', 'dist', 'node_modules', 'ForgeFlow-runtime-win-x64']);
+const excludedDirectories = new Set(['.git', '.forgeflow', 'artifacts', 'coverage', 'dist', 'node_modules', 'playwright-report', 'ForgeFlow-runtime-win-x64']);
 const excludedFiles = new Set(['SOURCE_MANIFEST.txt']);
 
 async function collect(directory, output = []) {