Show visible progress during synthetic generation; cap token count to selected model's real context window (prevents GPU OOM during RIF pack compilation); replace raw exception dumps with clean, actionable error messages

Retry through Space cold-starts with live spinner status instead of failing on first 503/connection error; remove raw exception text from user-facing messages

Fix false-positive hardware mismatch warning (RIF now reports real device); simplify Mock Mode messaging for public-facing evaluators

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