feat: enhance duty information handling with contact details and current duty view

- Added `bot_username` to settings for dynamic retrieval of the bot's username.
- Implemented `_resolve_bot_username` function to fetch the bot's username if not set, improving user experience in group chats.
- Updated `DutyWithUser` schema to include optional `phone` and `username` fields for enhanced duty information.
- Enhanced API responses to include contact details for users, ensuring better communication.
- Introduced a new current duty view in the web app, displaying active duty information along with contact options.
- Updated CSS styles for better presentation of contact information in duty cards.
- Added unit tests to verify the inclusion of contact details in API responses and the functionality of the current duty view.

webapp/js/dayDetail.test.js

@@ -38,4 +38,25 @@ describe("buildDayDetailContent", () => {
     const petrovPos = html.indexOf("Петров");
     expect(ivanovPos).toBeLessThan(petrovPos);
   });
+
+  it("includes contact info (phone, username) for duty entries when present", () => {
+    const dateKey = "2025-03-01";
+    const duties = [
+      {
+        event_type: "duty",
+        full_name: "Alice",
+        start_at: "2025-03-01T09:00:00",
+        end_at: "2025-03-01T17:00:00",
+        phone: "+79991234567",
+        username: "alice_dev",
+      },
+    ];
+    const html = buildDayDetailContent(dateKey, duties, []);
+    expect(html).toContain("Alice");
+    expect(html).toContain("day-detail-contact-row");
+    expect(html).toContain('href="tel:');
+    expect(html).toContain("+79991234567");
+    expect(html).toContain("https://t.me/");
+    expect(html).toContain("alice_dev");
+  });
 });