v1.4.0

New Features

• Add Antigravity (agy) CLI wrapper as custom provider #369 @korjavin
• Add plan model setting #363 @umputun

Improved

• Refactor processor runner into phase engines #364 @umputun
• Cut code smells and duplication across packages #373 @umputun
• Standardize date format on YYYYMMDD- in prompts and skill #371 @umputun
• Document codex plan creation 07a4cc7
• Clarify Claude wrapper compatibility a3c9157
• Use GitHub warning alert d9e4744
• Document Claude Agent SDK billing options 3f8b89f
• Bump golang.org/x/sys from 0.44.0 to 0.45.0 #360 @dependabot

Fixed

• Pass model and effort flags #372 @mschedrin
• Validate model flag values #372 @mschedrin