* add party_shares table and model with associations
* add party share errors and blueprint
* add party shares controller and routes
* include shared parties in listings and show
* add party share factory and model specs
* add party shares controller specs
* include shares in party response for owners
* add crew shared_parties endpoint
GET /crew/members now accepts ?filter param:
- active (default): active members only
- retired: retired members only
- phantom: phantom players only
- all: all members + phantoms
Response includes both members[] and phantoms[] arrays.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>