Epic 4 — `deployment-sdk` — Azure Push & Deploy

## Epic 4 — `deployment-sdk` — Azure Push & Deploy

Push (ACR, Blob) and deploy (Container Apps, AKS, Functions, Static Sites) support for all Azure compute platforms, plus the credential provider and log streamer.

**T-Shirt Size:** XL
**Story Points:** 43 pts
**Estimated Hours:** ~118h

### Dependencies
Blocked on Story 2.3 (temp creds API). Fully parallel with Epic 5 once Epic 2 completes.