improvement(platform): declare the design system's entries for the dead-code audit

Author: waleedlatif1

knip.jsonc

@@ -40,9 +40,12 @@
         // The design system's public surface: a snapshot consumers pick from, kept whole so it stays
         // identical to its source and rebases cleanly.
         "platform/design-system/**/*.{ts,tsx}",
-        // Foundation for the organization redesign's lanes. Remove once their pages import these.
+        // CSS Modules reach this through `@reference`, which knip does not follow.
+        "platform/design-system/styles/theme.css",
+        // Foundation for the organization redesign. Remove each once a page imports it.
         "app/o/[[]organizationId[]]/_redesign/redesign-host.tsx",
-        "platform/app/(shell)/_components/notification-tray/notification-tray.tsx",
+        "platform/app/[(]shell[)]/_components/**/*.{ts,tsx}",
+        "platform/lib/time.ts",
         // Compile-time fixture compatibility assertion, included by tsconfig.
         "lib/table/fixture-contract.ts",
         // scripts/generate-docs.ts imports this through pathToFileURL.

scripts/check-platform-css.test.ts

@@ -3,7 +3,7 @@
  */
 import postcss from 'postcss'
 import { describe, expect, it } from 'vitest'
-import embed from '../apps/sim/lib/postcss/platform-embed.cjs'
+import embed from '@/lib/postcss/platform-embed.cjs'
 import { findEntryEscapes, findModuleEscapes } from './check-platform-css'
 
 const ENTRY = '/repo/apps/sim/platform/design-system/styles/embedded.css'