Installer trial-length offers
- Assigns one stable 7-, 14-, or 30-day CMEM Pro trial offer per installer flow.
- Shows the exact assigned length consistently in prompts, retry/resend flows, activation summaries, and cmem.ai links.
- Sends the same trial length to the web start API and preserves it across reruns.
- Adds focused coverage for all three arms and legacy-state recovery.