feat(ai): Bedrock transport (off by default) + claude-sonnet-5 migration
- test(ai): capture Claude request fixtures for the five sidecar call sites
- feat(ai): add Bedrock transport behind an off-by-default switch
- feat(ai): migrate scoring and generation to claude-sonnet-5
- docs(ai): document the Claude transport switch and Sonnet 5 contract
- Merge pull request #435 from tpromni/feat/bedrock-transport-and-sonnet5
Source: tpromni/coach-pulse-consumer-ui → dev