God Tier Hardening: Zod validation, SEO enforcement, connection pool monitoring

src/pages/api/shim/health.ts

@@ -0,0 +1,51 @@
+// API Route: GET /api/shim/health
+// Returns connection pool stats and database health
+
+import type { APIRoute } from 'astro';
+import { getPoolStats, getDatabaseStats, getVacuumCandidates } from '@/lib/shim/pool';
+
+export const GET: APIRoute = async ({ request }) => {
+    try {
+        // Token validation
+        const authHeader = request.headers.get('Authorization');
+        const token = authHeader?.replace('Bearer ', '');
+
+        const godToken = import.meta.env.GOD_MODE_TOKEN;
+        if (godToken && token !== godToken) {
+            return new Response(JSON.stringify({ error: 'Unauthorized' }), {
+                status: 401,
+                headers: { 'Content-Type': 'application/json' }
+            });
+        }
+
+        // Get health stats
+        const poolStats = getPoolStats();
+        const dbStats = await getDatabaseStats();
+        const vacuumCandidates = await getVacuumCandidates();
+        const needsVacuum = vacuumCandidates.length > 0 && vacuumCandidates[0].deadPercent > 20;
+
+        return new Response(JSON.stringify({
+            timestamp: new Date().toISOString(),
+            pool: poolStats,
+            database: dbStats,
+            vacuum: {
+                recommended: needsVacuum,
+                candidates: vacuumCandidates
+            },
+            status: poolStats.status
+        }), {
+            status: 200,
+            headers: { 'Content-Type': 'application/json' }
+        });
+
+    } catch (error: any) {
+        console.error('Health check error:', error);
+        return new Response(JSON.stringify({
+            error: 'Health check failed',
+            message: error.message
+        }), {
+            status: 500,
+            headers: { 'Content-Type': 'application/json' }
+        });
+    }
+};