add intelligence features; implement signals and predictions pages in admin panel

src/routes/admin.js

@@ -1,5 +1,6 @@
 const fs = require('fs');
 const path = require('path');
+const fastifyStatic = require('@fastify/static');
 const db = require('../db');
 const config = require('../config');
 const Database = require('better-sqlite3');
@@ -46,16 +47,59 @@ function checkAuth(request, reply) {
   return true;
 }
 
-const htmlPath = path.join(__dirname, '..', '..', 'admin.html');
+const publicDir = path.join(__dirname, '..', '..', 'public', 'admin');
+const assetsDir = path.join(publicDir, 'assets');
+const pagesDir  = path.join(publicDir, 'pages');
+
+// map pretty url → page html file. keep these close to the routes so its
+// obvious when a page gets added or renamed.
+const pageMap = {
+  '/admin/articles':                 path.join(pagesDir, 'articles.html'),
+  '/admin/events':                   path.join(pagesDir, 'events.html'),
+  '/admin/stats':                    path.join(pagesDir, 'stats.html'),
+  '/admin/sql':                      path.join(pagesDir, 'sql.html'),
+  '/admin/intelligence/knowledge':   path.join(pagesDir, 'intelligence', 'knowledge.html'),
+  '/admin/intelligence/predictions': path.join(pagesDir, 'intelligence', 'predictions.html'),
+  '/admin/intelligence/signals':     path.join(pagesDir, 'intelligence', 'signals.html'),
+  '/admin/intelligence/graph':       path.join(pagesDir, 'intelligence', 'graph.html'),
+};
+
+function sendPage(reply, filePath) {
+  reply.type('text/html');
+  reply.header('Cache-Control', 'no-cache');
+  return fs.createReadStream(filePath);
+}
 
 async function adminRoutes(fastify) {
 
-  fastify.get('/admin', async (request, reply) => {
-    if (!checkAuth(request, reply)) return;
-    reply.type('text/html');
-    return fs.createReadStream(htmlPath);
+  // gate every request under /admin/* behind basic auth (covers pages, api, and assets)
+  fastify.addHook('onRequest', async (request, reply) => {
+    if (!checkAuth(request, reply)) return reply;
   });
 
+  // static assets (css + js) under /admin/assets/*
+  fastify.register(fastifyStatic, {
+    root: assetsDir,
+    prefix: '/admin/assets/',
+    decorateReply: false,
+    cacheControl: false,
+  });
+
+  // top-level entry — redirect to articles
+  fastify.get('/admin', async (request, reply) => {
+    reply.redirect('/admin/articles');
+  });
+
+  // intelligence root — redirect to the knowledge subsection
+  fastify.get('/admin/intelligence', async (request, reply) => {
+    reply.redirect('/admin/intelligence/knowledge');
+  });
+
+  // wire up each pretty page path
+  for (const [route, filePath] of Object.entries(pageMap)) {
+    fastify.get(route, async (request, reply) => sendPage(reply, filePath));
+  }
+
   // list articles — all of them, not just the ones with embeddings
   fastify.get('/admin/api/articles', async (request, reply) => {
     if (!checkAuth(request, reply)) return;