feat(rbnb): add community hospitality module — trust-based space sharing
New rSpace module for couch surfing and space sharing within community networks.
Gift economy as first-class option, rNetwork trust graph for auto-accept,
messages embedded in CRDTs, endorsements feed back into trust graph.
- schemas.ts: Listing, StayRequest, Endorsement, AvailabilityWindow, SpaceConfig types
- mod.ts: 18 API endpoints (listings, availability, stays, endorsements, search, stats, config)
- landing.ts: Marketing page with warm amber/red/pink palette
- local-first-client.ts: Automerge sync wrapper (BnbLocalFirstClient)
- components: folk-bnb-view (grid+map), folk-listing (card shape), folk-stay-request (detail)
- bnb.css: Economy badges, status indicators, message thread styles
- Registered in server/index.ts, added r🏠 badge to app switcher under "Sharing"
- 6 demo listings (gift couch, exchange farm, suggested tent, sliding loft, gift hub, fixed cabin)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>