v1.0.0

Shortcast v1.0.0 — long-video → shorts pipeline (Gemma 4 12B director…

v0.1.0

ci: switch release runner to macos-26 for Xcode 26+ Swift compiler

Vendored gemma-4-swift-mlx contains expressions that Xcode 16.4's Swift
compiler (the default on macos-15) fails to type-check; Xcode 26 handles
them fine.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>