chore(harness): centralize storybook and release entrypoints

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

apps/docs/package.json

@@ -3,7 +3,7 @@
   "private": true,
   "type": "module",
   "scripts": {
-    "build-storybook": "storybook build --disable-telemetry --output-dir ../../.artifacts/storybook-static",
+    "build-storybook": "node ../../scripts/harness/build-storybook.mjs",
     "storybook": "WATCHPACK_POLLING=true CHOKIDAR_USEPOLLING=true storybook dev -p 6006 --ci --disable-telemetry",
     "storybook:smoke": "WATCHPACK_POLLING=true CHOKIDAR_USEPOLLING=true storybook dev -p 6006 --ci --smoke-test --disable-telemetry",
     "typecheck": "tsc --noEmit -p tsconfig.json"