Harden hosted smoke optional arg handling

Add HF dataset bootstrap for Rapid Router workbook

Validate hosted workbook state after auth

Harden router canary eval preflight and survey runs

Ship workbook UX surfaces and hosted smoke coverage

Expand POTS workbook handoff and tab QA fixes

Make hosted smoke continue across lanes

Add Rapid Router smoke and validation telemetry

Tighten Rapid Router validation and memory flows

test: stabilize hosted smoke workspace expectation

Add repeatable hosted smoke workflow

Improve POTS provider recall and add new provider source docs