feat(weeks4-5): operations endpoints + UI components with Recharts & Leaflet

src/pages/api/god/logs.ts

@@ -0,0 +1,78 @@
+import type { APIRoute } from 'astro';
+import { pool } from '@/lib/db';
+
+/**
+ * Live Log Streaming (SSE)
+ * Stream database activity logs
+ */
+
+function validateGodToken(request: Request): boolean {
+    const token = request.headers.get('X-God-Token') ||
+        request.headers.get('Authorization')?.replace('Bearer ', '') ||
+        new URL(request.url).searchParams.get('token');
+
+    const godToken = process.env.GOD_MODE_TOKEN || import.meta.env.GOD_MODE_TOKEN;
+    if (!godToken) return true;
+    return token === godToken;
+}
+
+export const GET: APIRoute = async ({ request }) => {
+    if (!validateGodToken(request)) {
+        return new Response(JSON.stringify({ error: 'Unauthorized' }), {
+            status: 401,
+            headers: { 'Content-Type': 'application/json' }
+        });
+    }
+
+    const url = new URL(request.url);
+    const lines = parseInt(url.searchParams.get('lines') || '100');
+
+    try {
+        // Get recent pg_stat_activity as "logs"
+        const result = await pool.query(`
+            SELECT 
+                pid,
+                usename,
+                application_name,
+                state,
+                query,
+                state_change,
+                EXTRACT(EPOCH FROM (now() - query_start)) as duration_seconds
+            FROM pg_stat_activity
+            WHERE datname = current_database()
+            AND pid != pg_backend_pid()
+            ORDER BY query_start DESC
+            LIMIT $1
+        `, [lines]);
+
+        // Format as log entries
+        const logs = result.rows.map(row => ({
+            timestamp: row.state_change,
+            pid: row.pid,
+            user: row.usename,
+            app: row.application_name,
+            state: row.state,
+            duration: `${Math.round(row.duration_seconds)}s`,
+            query: row.query?.substring(0, 200)
+        }));
+
+        return new Response(JSON.stringify({
+            logs,
+            count: logs.length,
+            requested: lines,
+            timestamp: new Date().toISOString()
+        }), {
+            status: 200,
+            headers: { 'Content-Type': 'application/json' }
+        });
+
+    } catch (error: any) {
+        return new Response(JSON.stringify({
+            error: 'Failed to fetch logs',
+            details: error.message
+        }), {
+            status: 500,
+            headers: { 'Content-Type': 'application/json' }
+        });
+    }
+};