* fix: add multi-model support for Factory Droid CLI tool (closes#521)
* Add Claude Opus 4.7 to cc and cl provider lists
RESEARCH confirmed GA release April 16, 2026. Adding to:
- cc (Claude Code): claude-opus-4-7
- cl (Cline): anthropic/claude-opus-4.7
Refs: TICKET-20260416-ENG-O4.7-001
* fix: add Blackbox AI as a supported provider (closes#599)