docs(design): remove SVG, use PNG logo only

SVG icon is no longer in use. public/logo.png (1024x1024 RGBA) is
the single logo asset. DESIGN.md updated accordingly: SVG snippet
removed, wordmark pattern and <head> references updated to PNG.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

node_modules/@heroicons/react/24/solid/esm/VideoCameraSlashIcon.js

@@ -0,0 +1,22 @@
+import * as React from "react";
+function VideoCameraSlashIcon({
+  title,
+  titleId,
+  ...props
+}, svgRef) {
+  return /*#__PURE__*/React.createElement("svg", Object.assign({
+    xmlns: "http://www.w3.org/2000/svg",
+    viewBox: "0 0 24 24",
+    fill: "currentColor",
+    "aria-hidden": "true",
+    "data-slot": "icon",
+    ref: svgRef,
+    "aria-labelledby": titleId
+  }, props), title ? /*#__PURE__*/React.createElement("title", {
+    id: titleId
+  }, title) : null, /*#__PURE__*/React.createElement("path", {
+    d: "M.97 3.97a.75.75 0 0 1 1.06 0l15 15a.75.75 0 1 1-1.06 1.06l-15-15a.75.75 0 0 1 0-1.06ZM17.25 16.06l2.69 2.69c.944.945 2.56.276 2.56-1.06V6.31c0-1.336-1.616-2.005-2.56-1.06l-2.69 2.69v8.12ZM15.75 7.5v8.068L4.682 4.5h8.068a3 3 0 0 1 3 3ZM1.5 16.5V7.682l11.773 11.773c-.17.03-.345.045-.523.045H4.5a3 3 0 0 1-3-3Z"
+  }));
+}
+const ForwardRef = /*#__PURE__*/ React.forwardRef(VideoCameraSlashIcon);
+export default ForwardRef;