stat page and cache working

src/app/admin/manage/page.tsx

@@ -256,6 +256,16 @@ export default function ManagePage() {
                 <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15" />
               </svg>
             </button>
+            <Link
+              href="/admin/manage/rust-status"
+              className="px-4 py-3 sm:py-2 bg-teal-600 text-white rounded hover:bg-teal-700 transition-colors text-base font-medium flex items-center"
+              title="Rust Parser Status"
+            >
+              <svg className="h-5 w-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 16h-1v-4h-1m1-4h.01M12 20a8 8 0 100-16 8 8 0 000 16z" />
+              </svg>
+              Rust Parser Status
+            </Link>
             <button
               onClick={handleLogout}
               className="px-4 py-3 sm:py-2 bg-red-600 text-white rounded hover:bg-red-700 text-base font-medium"

src/app/admin/manage/rust-status.tsx

@@ -0,0 +1,74 @@
+import React, { useEffect, useState } from 'react';
+
+interface PostStats {
+  slug: string;
+  cache_hits: number;
+  cache_misses: number;
+  last_interpret_time_ms: number;
+  last_compile_time_ms: number;
+}
+
+export default function RustStatusPage() {
+  const [stats, setStats] = useState<PostStats[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  const fetchStats = async () => {
+    setLoading(true);
+    setError(null);
+    try {
+      const res = await fetch('/api/admin/posts?rsparseinfo=1');
+      if (!res.ok) throw new Error('Failed to fetch stats');
+      const data = await res.json();
+      setStats(data);
+    } catch (e: any) {
+      setError(e.message || 'Unknown error');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  useEffect(() => {
+    fetchStats();
+    const interval = setInterval(fetchStats, 5000);
+    return () => clearInterval(interval);
+  }, []);
+
+  return (
+    <div className="p-8 max-w-4xl mx-auto">
+      <h1 className="text-2xl font-bold mb-6">Rust Parser Status</h1>
+      {loading && <div>Loading...</div>}
+      {error && <div className="text-red-500">{error}</div>}
+      {!loading && !error && (
+        <div className="overflow-x-auto">
+          <table className="min-w-full border border-gray-300 bg-white shadow-md rounded">
+            <thead>
+              <tr className="bg-gray-100">
+                <th className="px-4 py-2 text-left">Slug</th>
+                <th className="px-4 py-2 text-right">Cache Hits</th>
+                <th className="px-4 py-2 text-right">Cache Misses</th>
+                <th className="px-4 py-2 text-right">Last Interpret Time (ms)</th>
+                <th className="px-4 py-2 text-right">Last Compile Time (ms)</th>
+              </tr>
+            </thead>
+            <tbody>
+              {stats.length === 0 ? (
+                <tr><td colSpan={5} className="text-center py-4">No stats available.</td></tr>
+              ) : (
+                stats.map(stat => (
+                  <tr key={stat.slug} className="border-t">
+                    <td className="px-4 py-2 font-mono">{stat.slug}</td>
+                    <td className="px-4 py-2 text-right">{stat.cache_hits}</td>
+                    <td className="px-4 py-2 text-right">{stat.cache_misses}</td>
+                    <td className="px-4 py-2 text-right">{stat.last_interpret_time_ms}</td>
+                    <td className="px-4 py-2 text-right">{stat.last_compile_time_ms}</td>
+                  </tr>
+                ))
+              )}
+            </tbody>
+          </table>
+        </div>
+      )}
+    </div>
+  );
+} 

src/app/admin/manage/rust-status/page.tsx

@@ -0,0 +1,75 @@
+'use client';
+import React, { useEffect, useState } from 'react';
+
+interface PostStats {
+  slug: string;
+  cache_hits: number;
+  cache_misses: number;
+  last_interpret_time_ms: number;
+  last_compile_time_ms: number;
+}
+
+export default function RustStatusPage() {
+  const [stats, setStats] = useState<PostStats[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  const fetchStats = async () => {
+    setLoading(true);
+    setError(null);
+    try {
+      const res = await fetch('/api/admin/posts?rsparseinfo=1');
+      if (!res.ok) throw new Error('Failed to fetch stats');
+      const data = await res.json();
+      setStats(data);
+    } catch (e: any) {
+      setError(e.message || 'Unknown error');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  React.useEffect(() => {
+    fetchStats();
+    const interval = setInterval(fetchStats, 5000);
+    return () => clearInterval(interval);
+  }, []);
+
+  return (
+    <div className="p-8 max-w-4xl mx-auto">
+      <h1 className="text-2xl font-bold mb-6">Rust Parser Status</h1>
+      {loading && <div>Loading...</div>}
+      {error && <div className="text-red-500">{error}</div>}
+      {!loading && !error && (
+        <div className="overflow-x-auto">
+          <table className="min-w-full border border-gray-300 bg-white shadow-md rounded">
+            <thead>
+              <tr className="bg-gray-100">
+                <th className="px-4 py-2 text-left">Slug</th>
+                <th className="px-4 py-2 text-right">Cache Hits</th>
+                <th className="px-4 py-2 text-right">Cache Misses</th>
+                <th className="px-4 py-2 text-right">Last Interpret Time (ms)</th>
+                <th className="px-4 py-2 text-right">Last Compile Time (ms)</th>
+              </tr>
+            </thead>
+            <tbody>
+              {stats.length === 0 ? (
+                <tr><td colSpan={5} className="text-center py-4">No stats available.</td></tr>
+              ) : (
+                stats.map(stat => (
+                  <tr key={stat.slug} className="border-t">
+                    <td className="px-4 py-2 font-mono">{stat.slug}</td>
+                    <td className="px-4 py-2 text-right">{stat.cache_hits}</td>
+                    <td className="px-4 py-2 text-right">{stat.cache_misses}</td>
+                    <td className="px-4 py-2 text-right">{stat.last_interpret_time_ms}</td>
+                    <td className="px-4 py-2 text-right">{stat.last_compile_time_ms}</td>
+                  </tr>
+                ))
+              )}
+            </tbody>
+          </table>
+        </div>
+      )}
+    </div>
+  );
+} 

src/app/api/admin/posts/route.ts

@@ -3,6 +3,7 @@ import fs from 'fs';
 import path from 'path';
 import matter from 'gray-matter';
 import { getPostsDirectory } from '@/lib/postsDirectory';
+import { spawnSync } from 'child_process';
 
 const postsDirectory = getPostsDirectory();
 
@@ -48,6 +49,27 @@ export async function POST(request: Request) {
 }
 
 export async function GET(request: Request) {
+  const { searchParams } = new URL(request.url);
+  const info = searchParams.get('rsparseinfo');
+  if (info === '1') {
+    // Call the Rust backend for parser stats
+    const rustResult = spawnSync(
+      process.cwd() + '/markdown_backend/target/release/markdown_backend',
+      ['rsparseinfo'],
+      { encoding: 'utf-8' }
+    );
+    if (rustResult.status === 0 && rustResult.stdout) {
+      return new Response(rustResult.stdout, {
+        status: 200,
+        headers: { 'Content-Type': 'application/json' },
+      });
+    } else {
+      return new Response(JSON.stringify({ error: rustResult.stderr || rustResult.error }), {
+        status: 500,
+        headers: { 'Content-Type': 'application/json' },
+      });
+    }
+  }
   // Return the current pinned.json object
   try {
     const pinnedPath = path.join(process.cwd(), 'posts', 'pinned.json');