phase 1 complete

src/types/shape.ts

@@ -0,0 +1,14 @@
+export type Preset = "triangle" | "square" | "circle";
+
+export interface ShapeState {
+    x: number;
+    y: number;
+    preset: Preset;
+    roundness: number; // 0-100, controls morph from preset to circle
+    size: number; // 0-100, controls volume
+    wobble: number; // 0-100, visual wobble amount
+    wobbleSpeed: number; // 0-100, wobble animation speed
+    grain: number; // 0-100, noise mix
+    color: string; // hex color from clavier keyboard
+    octave: number; // 1-8, frequency multiplier
+}