fix(blog): add gray-matter types and fix client/server code separation

- Add type declaration file for gray-matter module
- Fix blog-analytics.tsx to import from specific modules instead of barrel export
  to prevent fs module from being bundled into client code

apps/web-roo-code/src/components/blog/blog-analytics.tsx

@@ -1,8 +1,13 @@
 "use client"
 
 import { useEffect, useRef } from "react"
-import type { BlogPost } from "@/lib/blog"
-import { trackBlogIndexView, trackBlogPostView, trackBlogPostScrollDepth, trackBlogPostTimeSpent } from "@/lib/blog"
+import type { BlogPost } from "@/lib/blog/types"
+import {
+	trackBlogIndexView,
+	trackBlogPostView,
+	trackBlogPostScrollDepth,
+	trackBlogPostTimeSpent,
+} from "@/lib/blog/analytics"
 
 interface BlogIndexAnalyticsProps {
 	postCount: number

apps/web-roo-code/src/types/gray-matter.d.ts

@@ -0,0 +1,40 @@
+/**
+ * Type declarations for gray-matter
+ * @see https://github.com/jonschlinkert/gray-matter
+ */
+
+declare module "gray-matter" {
+	interface GrayMatterFile<T = Record<string, unknown>> {
+		/** The parsed frontmatter data */
+		data: T
+		/** The content of the file without the frontmatter */
+		content: string
+		/** The original input string */
+		orig: string | Buffer
+		/** The language of the frontmatter */
+		language: string
+		/** The raw frontmatter string (excluding delimiters) */
+		matter: string
+		/** Whether the input string is empty */
+		isEmpty: boolean
+		/** Alias for content */
+		excerpt?: string
+	}
+
+	interface GrayMatterOption {
+		/** Custom excerpt function or boolean */
+		excerpt?: boolean | ((file: GrayMatterFile, options: GrayMatterOption) => void)
+		/** Custom separator for excerpt */
+		excerpt_separator?: string
+		/** Custom engines for parsing */
+		engines?: Record<string, unknown>
+		/** Language to use for parsing */
+		language?: string
+		/** Custom delimiters */
+		delimiters?: string | [string, string]
+	}
+
+	function matter<T = Record<string, unknown>>(input: string | Buffer, options?: GrayMatterOption): GrayMatterFile<T>
+
+	export = matter
+}