BOUNDARYCAM Runtime Core v0.5.0

BOUNDARYCAM v0.5.0 opens the real runtime core.

State:
BOUNDARYCAM_RUNTIME_CORE_OPEN=true

Adds:

• FastAPI runtime server
• SQLite Boundary Frame store
• hash-chained frames
• runtime receipt
• chain verification endpoint
• CLI capture/list/verify/receipt
• Dockerfile
• docker-compose
• pytest coverage
• runtime smoke test
• CI runtime verification