make some overall QoL improvements

test/chatUsability.test.js

@@ -0,0 +1,47 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import Database from "better-sqlite3";
+import {initializeSchema, runMigrations} from "../src/db/schema.js";
+import {createChatStatements} from "../src/db/chatRepository.js";
+import {titleFromFirstMessage} from "../public/js/chatTitle.js";
+import {createWebSearchToggle} from "../public/js/webSearch.js";
+
+test("first messages produce short subject titles at word boundaries", () => {
+    assert.equal(titleFromFirstMessage("Can you help me plan a weekend trip to Lucerne? I prefer trains."), "Plan a weekend trip to Lucerne");
+    assert.equal(titleFromFirstMessage("What are the best hiking routes near Zurich?"), "Best hiking routes near Zurich");
+    const title = titleFromFirstMessage("Please explain the differences between local browser storage and server-side sessions for returning visitors");
+    assert.ok(title.length <= 68);
+    assert.ok(!title.endsWith("-"));
+    assert.equal(titleFromFirstMessage("   "), "New chat");
+});
+
+test("web search preference survives a fresh toggle", () => {
+    const values = new Map();
+    const storage = {getItem: key => values.get(key), setItem: (key, value) => values.set(key, value)};
+    const button = () => ({attributes: {}, setAttribute(key, value) { this.attributes[key] = value; }, addEventListener(_event, listener) { this.click = listener; }});
+    const first = button();
+    assert.equal(createWebSearchToggle(first, storage).enabled, true);
+    first.click();
+    const second = button();
+    assert.equal(createWebSearchToggle(second, storage).enabled, false);
+    assert.equal(second.attributes["aria-pressed"], "false");
+    second.click();
+    assert.equal(createWebSearchToggle(button(), storage).enabled, true);
+});
+
+test("chat list query returns a bounded latest message preview and activity time", () => {
+    const db = new Database(":memory:");
+    try {
+        initializeSchema(db);
+        runMigrations(db);
+        db.prepare("INSERT INTO chat_sessions (username, title) VALUES (?, ?)").run("owner", "Trip plans");
+        const chatId = db.prepare("SELECT id FROM chat_sessions").get().id;
+        db.prepare("INSERT INTO chat_messages (chat_id, role, content) VALUES (?, ?, ?)").run(chatId, "user", "First question");
+        db.prepare("INSERT INTO chat_messages (chat_id, role, content) VALUES (?, ?, ?)").run(chatId, "bot", "x".repeat(250));
+        const statements = createChatStatements(db);
+        const chat = statements.listChatSessions.get("owner");
+        assert.equal(chat.last_message_preview, "x".repeat(180));
+        assert.ok(chat.updated_at);
+        assert.equal(statements.searchChats.get("%Trip%", "owner", "%Trip%").last_message_preview, "x".repeat(180));
+    } finally { db.close(); }
+});

test/webSearch.test.js

@@ -442,7 +442,7 @@ test("composer search defaults on and source renderer supports old messages and
     const toggle = createWebSearchToggle(button);
     assert.equal(toggle.enabled, true);
     assert.equal(button.attributes["aria-pressed"], "true");
-    assert.match(button.title, /Automatic web search on/);
+    assert.match(button.title, /Web search allowed/);
     button.listeners.click();
     assert.equal(toggle.enabled, false);
     assert.equal(button.attributes["aria-pressed"], "false");