all: split reusable components into workspace crates

jay-config-schema/src/animations.rs

@@ -0,0 +1,13 @@
+#[derive(Debug, Clone, Default)]
+pub struct Animations {
+    pub enabled: Option<bool>,
+    pub duration_ms: Option<u32>,
+    pub style: Option<String>,
+    pub curve: Option<AnimationCurveConfig>,
+}
+
+#[derive(Debug, Clone, PartialEq)]
+pub enum AnimationCurveConfig {
+    Preset(String),
+    CubicBezier([f32; 4]),
+}

jay-config-schema/src/lib.rs

@@ -0,0 +1,9 @@
+//! Shared configuration schema declarations for Jay.
+//!
+//! This crate is the target home for option structs, defaults, validation
+//! policy, and docs metadata that need to be consumed by TOML parsing,
+//! generated config documentation, and compositor-side application code.
+
+pub mod animations;
+
+pub use animations::{AnimationCurveConfig, Animations};