CODEX revised with following function: 1. GDS building, 2. different user group with different authority.

tests/account-pdk-access-static.test.js

@@ -0,0 +1,46 @@
+const assert = require('assert');
+const fs = require('fs');
+const path = require('path');
+
+const root = path.resolve(__dirname, '..');
+const backend = path.join(root, 'backend');
+const databasePy = fs.readFileSync(path.join(backend, 'database.py'), 'utf8');
+const serverPy = fs.readFileSync(path.join(backend, 'server.py'), 'utf8');
+const dashboardHtml = fs.readFileSync(path.join(root, 'frontend', 'dashboard.html'), 'utf8');
+
+assert(
+  databasePy.includes('user_group'),
+  'database migration should add users.user_group'
+);
+assert(
+  databasePy.includes("'admin'") && databasePy.includes("'manager'"),
+  'admin should be migrated/seeded as manager'
+);
+assert(
+  databasePy.includes("'engineer'") && databasePy.includes("'developers'"),
+  'engineer should be migrated/seeded as developers'
+);
+assert(
+  serverPy.includes("session['user_group']") || serverPy.includes('session["user_group"]'),
+  'login should store user_group in the session'
+);
+assert(
+  serverPy.includes('"user_group"'),
+  '/api/profile should return user_group'
+);
+assert(
+  fs.existsSync(path.join(backend, 'pdk_access.py')),
+  'backend/pdk_access.py should resolve role-based PDK roots'
+);
+assert(
+  serverPy.includes('pdk_root_for_session'),
+  'server should resolve PDK root per logged-in user group'
+);
+assert(
+  dashboardHtml.includes('profile-group'),
+  'dashboard should show read-only profile group information'
+);
+assert(
+  !dashboardHtml.includes('profile-group"></select'),
+  'profile group must not be editable'
+);

tests/gds-download-static.test.js

@@ -0,0 +1,32 @@
+const assert = require('assert');
+const fs = require('fs');
+const path = require('path');
+
+const root = path.resolve(__dirname, '..');
+const serverPy = fs.readFileSync(path.join(root, 'backend', 'server.py'), 'utf8');
+const canvasHtml = fs.readFileSync(path.join(root, 'frontend', 'canvas.html'), 'utf8');
+
+assert(
+  serverPy.includes('EXPORT_ROOT'),
+  'server should build GDS exports into a temporary export root'
+);
+assert(
+  serverPy.includes("@app.route('/api/exports/<export_id>/<filename>'"),
+  'server should expose an authenticated export download route'
+);
+assert(
+  serverPy.includes('download_url'),
+  'Build GDS response should include download_url'
+);
+assert(
+  serverPy.includes('cleanup_expired_exports'),
+  'server should clean exports older than the retention period'
+);
+assert(
+  canvasHtml.includes('download_url'),
+  'frontend should read download_url from Build GDS response'
+);
+assert(
+  canvasHtml.includes('document.createElement') && canvasHtml.includes('.download'),
+  'frontend should trigger a browser download for generated GDS'
+);

tests/layout-backend-static.test.js

@@ -18,10 +18,18 @@ assert(
   fs.existsSync(path.join(backendDir, 'gds_builder.py')),
   'backend/gds_builder.py should build hierarchical GDS from saved project YAML'
 );
+assert(
+  fs.existsSync(path.join(backendDir, 'routed_layout_preview.py')),
+  'backend/routed_layout_preview.py should create routed SVG previews through mxpic_router'
+);
 assert(
   serverPy.includes('create_layout_svg_from_gds'),
   'save-layout route should create a GDS-derived layout SVG preview'
 );
+assert(
+  serverPy.includes('create_routed_layout_svg'),
+  'save-layout route should use routed preview generation when links exist'
+);
 assert(
   serverPy.includes('svg_url'),
   'save-layout response should include an svg_url for the new layout tab'
@@ -64,3 +72,9 @@ assert(
   layoutPreviewPy.includes('_BB.gds') || layoutPreviewPy.includes('gds_path'),
   'layout_preview.py should resolve public GDS assets for placed components'
 );
+
+const gdsBuilderPy = fs.readFileSync(path.join(backendDir, 'gds_builder.py'), 'utf8');
+assert(
+  gdsBuilderPy.includes('_cells_have_links') && gdsBuilderPy.includes('Routed Build GDS requires mxpic_router'),
+  'Build GDS should not silently fall back to unrouted gdstk when links are present'
+);