Hosted input staging CI

Workflow runs for Hosted input staging CI

• Add disabled exact-generation cloud input fetch for hosted reviews

  completed successfully:
  Hosted input staging CI#3:Pull request#686openedbyPigbibi
  migration/gcs-input-fetch-20261015

  Oct 15, 202612s
  More actions for workflow run 3

• ci: stage hosted frozen engineering review

  completed successfully:
  Hosted input staging CI#2:Pull request#674synchronizebyPigbibi
  migration/hosted-ai-runners-20261015

  Oct 14, 202610s
  More actions for workflow run 2

• ci: stage hosted frozen engineering review

  completed successfully:
  Hosted input staging CI#1:Pull request#674synchronizebyPigbibi
  migration/hosted-ai-runners-20261015

  Oct 14, 202620s
  More actions for workflow run 1