feat: add CreatePlanDialog and InfoChip components; implement chipTint utility; enhance styles for aurora effects

src/components/planes/chipTint.ts

@@ -0,0 +1,14 @@
+export function hexToRgb(hex?: string | null): [number, number, number] {
+  if (!hex) return [37, 99, 235]
+  const h = hex.replace('#', '')
+  const v = h.length === 3 ? h.split('').map(c => c + c).join('') : h
+  const n = parseInt(v, 16)
+  return [(n >> 16) & 255, (n >> 8) & 255, n & 255]
+}
+export function chipTint(color?: string | null) {
+  const [r, g, b] = hexToRgb(color)
+  return {
+    borderColor: `rgba(${r},${g},${b},.30)`,
+    background: `rgba(${r},${g},${b},.10)`,
+  } as React.CSSProperties
+}