feat: auto-escape {/} inside <code> elements to render code samples literally (v3)

change/@microsoft-fast-build-96416f46-7e1a-4d19-ab7f-e5c83bc07aa6.json

@@ -0,0 +1,7 @@
+{
+  "type": "minor",
+  "comment": "feat: auto-escape code samples inside `<code>` elements during SSR — braces (`{`/`}`) everywhere and the angle brackets of FAST directive tags (`<f-when>`, `<f-repeat>`) — so literal binding-like text and directive syntax render correctly while real HTML/custom elements inside `<code>` remain live DOM elements. Also exposes a new `escape_code_samples(html)` WASM export so build-time tooling can apply the same escape to author HTML that is injected into a rendered page outside the normal render pipeline.",
+  "packageName": "@microsoft/fast-build",
+  "email": "7559015+janechu@users.noreply.github.com",
+  "dependentChangeType": "none"
+}

change/@microsoft-fast-element-e20e07d7-c8d3-4207-b936-127afe6fe744.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "feat: auto-escape `{` and `}` inside `<code>` elements so binding-like syntax in code samples renders as literal text (mirrors webui-press and the server-side `escape_code_sample_elements` pass in `@microsoft/fast-build`, which additionally handles `<f-when>`/`<f-repeat>` directive tags)",
+  "packageName": "@microsoft/fast-element",
+  "email": "7559015+janechu@users.noreply.github.com",
+  "dependentChangeType": "none"
+}