improve reasoning toggle tests and refactor model capability checks

test/reasoning.test.js

@@ -5,6 +5,7 @@ import {createApp} from "../src/app.js";
 import {createModelService} from "../src/services/modelService.js";
 import {stream} from "../public/app/api.js";
 import {createReasoningToggle, finishReasoning, updateReasoning} from "../public/app/reasoning.js";
+import {getModelFamily, supportsReasoning} from "../public/app/modelCapabilities.js";
 
 test("thinking streams separately and survives reload, retry, branch and import", async (t) => {
     const requests = [];
@@ -169,17 +170,20 @@ test("reasoning toggle defaults off, resets, and rejects unsupported models", ()
     const button = {setAttribute() {}, addEventListener(_event, callback) { this.click = callback; }};
     const toggle = createReasoningToggle(button);
     toggle.setModel("qwen3:14b");
+    assert.equal(button.disabled, false);
     assert.equal(toggle.enabled, false);
     assert.equal(button.title, "Enable reasoning");
     button.click();
     assert.equal(toggle.enabled, true);
     assert.equal(button.title, "Reasoning enabled");
+    assert.equal(button.disabled, false);
     toggle.setBusy(true);
     button.click();
     assert.equal(toggle.enabled, true);
     toggle.reset();
     assert.equal(toggle.enabled, false);
     toggle.setBusy(false);
+    assert.equal(button.disabled, false);
     button.click();
     toggle.setModel("mistral:latest");
     assert.equal(toggle.enabled, false);
@@ -188,3 +192,40 @@ test("reasoning toggle defaults off, resets, and rejects unsupported models", ()
     button.click();
     assert.equal(toggle.enabled, false);
 });
+
+test("tagged Qwen3 models enable the control without activating reasoning", () => {
+    for (const model of [
+        "qwen3:14b", "qwen3:8b", "qwen3:30b", "qwen3:latest",
+        " QWEN3:14b ", "library/qwen3:14b",
+        {model: "qwen3:14b"}, {name: "qwen3:8b"}, {id: "qwen3:latest"}
+    ]) {
+        assert.equal(getModelFamily(model), "qwen3");
+        assert.equal(supportsReasoning(model), true);
+        const attributes = {};
+        const button = {
+            disabled: true,
+            setAttribute(key, value) { attributes[key] = value; },
+            addEventListener(_event, callback) { this.click = callback; }
+        };
+        const toggle = createReasoningToggle(button);
+        toggle.setModel(""); // Model list has not loaded yet.
+        assert.equal(button.disabled, true);
+        toggle.setModel(model);
+        assert.equal(button.disabled, false);
+        assert.equal(toggle.enabled, false);
+        assert.equal(attributes["aria-pressed"], "false");
+        assert.equal(button.title, "Enable reasoning");
+        button.click();
+        assert.equal(toggle.enabled, true);
+        assert.equal(attributes["aria-pressed"], "true");
+        toggle.setModel(model); // A UI refresh must preserve the choice.
+        assert.equal(toggle.enabled, true);
+        toggle.reset();
+        assert.equal(toggle.enabled, false);
+        assert.equal(button.disabled, false);
+        assert.equal(button.title, "Enable reasoning");
+    }
+    for (const model of ["mistral:latest", "qwen2.5:14b", "qwen3-coder:30b", "qwen30:14b", "", null]) {
+        assert.equal(supportsReasoning(model), false);
+    }
+});