Read Exchange model directory for AI listings (#5)

ddiff --git a/server/sources.js b/server/sources.js
iindex e3058eb..3839a7f 100644
---- a/server/sources.js
++++ b/server/sources.js
@@@ -3,7 +3,7 @@ const {XMLParser} = require('fast-xml-parser');
  const URLS = Object.freeze({
    sites: 'https://openvibe.network/api/frame?host=openvibe.network',
    tools: 'https://openvibe.tools/api/v1/tools',
--  models: 'https://openvibe.compare/api/v1/comparisons/ai-models',
++  models: 'https://openvibe.exchange/api/v1/models',
    projects: 'https://api.github.com/search/repositories?q=org%3AOpenVibers+archived%3Afalse&per_page=100',
    businesses: 'https://api.openstreetmap.org/api/0.6/map?bbox=-122.425,37.774,-122.415,37.780'
  });
@@@ -23,10 +23,11 @@ function tools(data, checked) {
  }
  function models(data, checked) {
    const out=[], makers=new Map();
--  for (const m of data.things||[]) {
--    const id=m.id, maker=m.maker||String(id).split('/')[0];
++  for (const m of data.models||data.things||[]) {
++    const id=m.slug||m.id, maker=m.maker||String(id).split('/')[0];
      const source=safeUrl(m.url)||URLS.models;
--    const e=entry('models',id,m.name,`AI model from ${maker}. See the dated comparison for prices and measured results.`,`https://openvibe.compare/things/${encodeURIComponent(id)}`,source,iso(data.updated_at)||checked,{provider:maker});
++    const website=m.slug ? `https://openvibe.exchange/m/${m.slug.split('/').map(encodeURIComponent).join('/')}` : `https://openvibe.compare/things/${encodeURIComponent(id)}`;
++    const e=entry('models',id,m.name,`AI model from ${maker}. See current provider offers, prices and measured results.`,website,source,iso(data.generated_at||data.updated_at)||checked,{provider:maker,context:m.context||null,modalities:m.modalities||[]});
      if(e) out.push(e);
      if(maker && !makers.has(maker)) makers.set(maker,entry('providers',maker,maker,'AI model provider.',source,URLS.models,iso(data.updated_at)||checked));
    }
ddiff --git a/test/directory.test.js b/test/directory.test.js
iindex e0f68ef..975c291 100644
---- a/test/directory.test.js
++++ b/test/directory.test.js
@@@ -1,13 +1,20 @@
  'use strict';
  const {test}=require('node:test');
  const assert=require('node:assert/strict');
--const {createStore,businesses}=require('../server/sources');
++const {createStore,businesses,models,URLS}=require('../server/sources');
  const {createApp}=require('../server/app');
  test('unverified OSM phone tags are not published and business source is attributed',()=>{
    const xml='<osm><node id="1"><tag k="shop" v="books"/><tag k="name" v="Bookshop"/><tag k="phone" v="+1 415 555 0100"/></node><node id="2"><tag k="name" v="Jane Smith"/><tag k="phone" v="+1 415 555 0101"/></node></osm>';
    const rows=businesses(xml,'2026-11-10T00:00:00.000Z');
    assert.equal(rows.length,1);assert.equal(rows[0].phone,undefined);assert.match(rows[0].sources[0].url,/openstreetmap/);assert.match(rows[0].osm_attribution,/ODbL/);
  });
++test('AI directory reads Exchange model ids and links to their model pages',()=>{
++  const rows=models({generated_at:'2026-11-11T00:00:00Z',models:[{slug:'google/gemini-3',name:'Gemini 3',context:1000000,modalities:['text','image']}]},'2026-11-11T01:00:00Z');
++  assert.equal(URLS.models,'https://openvibe.exchange/api/v1/models');
++  assert.equal(rows[0].website,'https://openvibe.exchange/m/google/gemini-3');
++  assert.equal(rows[0].context,1000000);
++  assert.equal(rows[1].kind,'providers');
++});
  test('failed refresh retains the last successful source and reports stale status',async()=>{
    let fail=false;const fetchImpl=async(url)=>{if(fail)throw Error('source down');return {ok:true,json:async()=>url.includes('frame?')?{nav:[{id:'live',name:'Live',url:'https://openvibe.live/'}]}:{tools:[{id:'yaml',name:'YAML',docs:'https://openvibe.tools/tool/yaml'}],things:[{id:'a/b',name:'B',maker:'A',url:'https://example.com'}],items:[{full_name:'OpenVibers/Test',name:'Test',html_url:'https://github.com/OpenVibers/Test'}]},text:async()=>'<osm><node id="1"><tag k="shop" v="books"/><tag k="name" v="Books"/></node></osm>'};};
    const store=createStore({fetchImpl});await store.refresh();const before=store.list('sites');fail=true;await store.refresh();assert.deepEqual(store.list('sites'),before);assert.equal(store.state.status.sites.ok,false);