fix: read bot version from pyproject.toml when VERSION env is not set

Previously the bot only checked os.getenv('VERSION'), returning
'UNKNOW' when unset. Now falls back to importlib.metadata and
direct pyproject.toml parsing, so the version stays correct after
release-please updates it.

app/services/startup_notification_service.py

@@ -5,7 +5,6 @@
 """
 
 import logging
-import os
 from datetime import datetime
 from typing import Final
 
@@ -24,7 +23,6 @@ from app.utils.timezone import format_local_datetime
 logger = logging.getLogger(__name__)
 
 # Константы
-VERSION_ENV_VAR: Final[str] = 'VERSION'
 DEFAULT_VERSION: Final[str] = 'dev'
 DEFAULT_AUTH_TYPE: Final[str] = 'api_key'
 
@@ -70,10 +68,20 @@ class StartupNotificationService:
         self.enabled = getattr(settings, 'ADMIN_NOTIFICATIONS_ENABLED', False)
 
     def _get_version(self) -> str:
-        """Получает версию из переменной окружения VERSION."""
-        version = os.getenv(VERSION_ENV_VAR, '').strip()
-        if version:
-            return version
+        """Получает версию из pyproject.toml."""
+        try:
+            from pathlib import Path
+
+            pyproject_path = Path(__file__).resolve().parents[2] / 'pyproject.toml'
+            if pyproject_path.exists():
+                for line in pyproject_path.read_text().splitlines():
+                    if line.strip().startswith('version'):
+                        ver = line.split('=', 1)[1].strip().strip('"').strip("'")
+                        if ver:
+                            return ver
+        except Exception:
+            pass
+
         return DEFAULT_VERSION
 
     async def _get_users_count(self) -> int:

app/services/version_service.py

@@ -82,16 +82,18 @@ class VersionService:
         return 'UNKNOW'
 
     def _get_current_version(self) -> str:
-        import os
+        try:
+            from pathlib import Path
 
-        current = os.getenv('VERSION', '').strip()
-
-        if current:
-            if '-' in current and current.startswith('v'):
-                base_version = current.split('-')[0]
-                if base_version.count('.') == 2:
-                    return base_version
-            return current
+            pyproject_path = Path(__file__).resolve().parents[2] / 'pyproject.toml'
+            if pyproject_path.exists():
+                for line in pyproject_path.read_text().splitlines():
+                    if line.strip().startswith('version'):
+                        ver = line.split('=', 1)[1].strip().strip('"').strip("'")
+                        if ver:
+                            return ver
+        except Exception:
+            pass
 
         return 'UNKNOW'