feat: Telegram bot — full functionality with inline keyboards, file upload, auth

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/tests/test_telegram.py

@@ -0,0 +1,34 @@
+import pytest
+from app.messengers.telegram.keyboards import (
+    template_choice_keyboard,
+    protocol_actions_keyboard,
+    recording_list_keyboard,
+)
+
+
+def test_template_choice_keyboard():
+    templates = [
+        {"id": "abc-123", "name": "Обследование"},
+        {"id": "def-456", "name": "Внутренняя"},
+    ]
+    kb = template_choice_keyboard(templates)
+    assert len(kb.inline_keyboard) == 2
+    assert kb.inline_keyboard[0][0].text == "Обследование"
+    assert kb.inline_keyboard[0][0].callback_data == "template:abc-123"
+
+
+def test_protocol_actions_keyboard():
+    kb = protocol_actions_keyboard("proto-123", "http://localhost")
+    assert len(kb.inline_keyboard) == 3
+    assert kb.inline_keyboard[0][0].callback_data == "export:proto-123:docx"
+
+
+def test_recording_list_keyboard():
+    recordings = [
+        {"id": "rec-1", "title": "Meeting 1", "status": "done"},
+        {"id": "rec-2", "title": "Meeting 2", "status": "processing"},
+    ]
+    kb = recording_list_keyboard(recordings)
+    assert len(kb.inline_keyboard) == 2
+    assert "✅" in kb.inline_keyboard[0][0].text
+    assert "⚙️" in kb.inline_keyboard[1][0].text