Extend the per-client preview flow to the per-group "Generate Tasks"
button on the client page, backfill missing templates instead of
skipping groups/policies that already have any template task, and add
a reusable searchable ClientSelect component.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Bite-sized, TDD-ordered plan for docs/superpowers/specs/2026-07-18-task-generation-preview-and-per-client-design.md.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
