Show qualified chat candidates for coding task search (#200)

ddiff --git a/server/model-search.js b/server/model-search.js
iindex 47d402b..60cba53 100644
---- a/server/model-search.js
++++ b/server/model-search.js
@@@ -39,7 +39,8 @@ function searchCatalog(catalog, rows, params) {
      const results = [];
      for (const model of catalog.models || []) {
          const caps = model.capabilities || {};
--        const hasCap = (key) => key === 'coder' ? Boolean(caps.code || caps.coding || /cod(e|er|ing)/i.test(`${model.name} ${model.slug}`)) : Boolean(caps[key]);
++        const explicitCoder = Boolean(caps.code || caps.coding || /cod(e|er|ing)/i.test(`${model.name} ${model.slug}`));
++        const hasCap = (key) => key === 'coder' ? (model.type === 'chat' && (explicitCoder || caps.tools || caps.json)) : Boolean(caps[key]);
          if (capability && !hasCap(capability)) continue;
          if (intent.capabilities.some((key) => !hasCap(key))) continue;
          const hay = clean([model.name, model.slug, model.family, model.description, ...(model.offers || []).flatMap((o) => [o.provider, o.provider_name])].join(' '));
@@@ -61,7 +62,8 @@ function searchCatalog(catalog, rows, params) {
          results.push({ model: model.slug, name: model.name, family: model.family, capabilities: caps,
              provider: best.provider_name || best.provider, price: best.price || null, speed: best.speed || null,
              quality: rating ? { elo: rating.elo, games: rating.games, kind: params.ratingKind } : null,
--            offers: offers.length, score: nameScore + (model.requests_7d || 0) / 10000 });
++            offers: offers.length, task_match: intent.capabilities.includes('coder') && !explicitCoder ? 'General chat model; coding quality is not measured here' : null,
++            score: nameScore + (model.requests_7d || 0) / 10000 });
      }
      const sort = params.sort !== 'relevance' ? params.sort : intent.fast ? 'speed' : intent.cheap ? 'price' : 'relevance';
      const metric = (r) => sort === 'speed' ? number(r.speed?.p50_ms) ?? Infinity : sort === 'quality' ? -(number(r.quality?.elo) ?? -Infinity) : number(r.price?.out) ?? Infinity;
ddiff --git a/server/views/platform.js b/server/views/platform.js
iindex 3742346..efd7650 100644
---- a/server/views/platform.js
++++ b/server/views/platform.js
@@@ -56,7 +56,7 @@ function table(models, searchMeta = null) {
          ].filter(Boolean).join(' ');
          const fact = (label, value) => `<div><dt>${esc(label)}</dt><dd>${esc(value)}</dd></div>`;
          return `<li class="xm-row"><div class="xm-name"><a href="/models/${encodeURIComponent(id(m))}">${esc(m.name)}</a><span class="xm-maker">${esc(legacy.familyLabel(m))}</span>${badges ? `<span class="xm-badges">${badges}</span>` : ''}</div>`
--            + `<dl class="xm-facts">${fact('In / out per M', `${perM(o.price?.in)} / ${perM(o.price?.out)}`)}${fact('Uptime', o.uptime == null ? '–' : `${dash(o.uptime * 100)}%`)}${fact('Speed', o.speed?.tokens_per_second != null ? `${dash(o.speed.tokens_per_second)} tok/s` : o.speed?.p50_ms == null ? '–' : `${dash(o.speed.p50_ms)} ms`)}${found ? fact('Quality', found.quality ? `${dash(found.quality.elo)} Elo · ${found.quality.games} games` : 'Not measured') : ''}${found ? fact('Provider', found.provider) : ''}</dl>`
++            + `<dl class="xm-facts">${fact('In / out per M', `${perM(o.price?.in)} / ${perM(o.price?.out)}`)}${fact('Uptime', o.uptime == null ? '–' : `${dash(o.uptime * 100)}%`)}${fact('Speed', o.speed?.tokens_per_second != null ? `${dash(o.speed.tokens_per_second)} tok/s` : o.speed?.p50_ms == null ? '–' : `${dash(o.speed.p50_ms)} ms`)}${found ? fact('Quality', found.quality ? `${dash(found.quality.elo)} Elo · ${found.quality.games} games` : 'Not measured') : ''}${found ? fact('Provider', found.provider) : ''}${found?.task_match ? fact('Task match', found.task_match) : ''}</dl>`
              + `<p class="xm-acts">${kit.button({ href: chat(m), label: 'Try in Chat', kind: 'quiet', small: true })} ${kit.button({ href: rank(m), label: 'How it ranks', kind: 'quiet', small: true })}</p></li>`;
      }).join('')}</ul>`;
  }
ddiff --git a/test/model-search.test.js b/test/model-search.test.js
iindex 4ab0244..a7439e3 100644
---- a/test/model-search.test.js
++++ b/test/model-search.test.js
@@@ -7,7 +7,9 @@ const { parseSearch, searchCatalog } = require('../server/model-search');
      const catalog = await createFakeAi().catalog();
      const fast = searchCatalog(catalog, [], parseSearch({ q: 'fast coder under $1' }));
      assert.ok(Array.isArray(fast));
++    assert.ok(fast.length > 0, 'general chat offers can answer a coding task query');
      assert.ok(fast.every((r) => r.price.out <= 1));
++    assert.ok(fast.every((r) => r.task_match && r.task_match.includes('not measured')));
      const provider = searchCatalog(catalog, [], parseSearch({ provider: 'DeepInfra', max_price: '0.5' }));
      assert.equal(provider.length, 1);
      assert.equal(provider[0].provider, 'DeepInfra');