feat: add LOG_COLORS env setting to toggle console ANSI colors

.env.example

@@ -845,6 +845,8 @@ VERSION_CHECK_INTERVAL_HOURS=1
 # ===== ЛОГИРОВАНИЕ =====
 LOG_LEVEL=INFO
 LOG_FILE=logs/bot.log
+# ANSI-цвета в консоли (true — цветной вывод с Rich, false — plain-text)
+LOG_COLORS=true
 
 # === Ротация логов ===
 # Включить новую систему ротации (по умолчанию старое поведение)

app/config.py

@@ -549,6 +549,7 @@ class Settings(BaseSettings):
 
     LOG_LEVEL: str = 'INFO'
     LOG_FILE: str = 'logs/bot.log'
+    LOG_COLORS: bool = True  # ANSI-цвета в консоли (false для plain-text вывода)
 
     # === Log Rotation Settings ===
     LOG_ROTATION_ENABLED: bool = False  # По умолчанию старое поведение

app/logging_config.py

@@ -121,24 +121,31 @@ def setup_logging() -> tuple[logging.Formatter, logging.Formatter, Any]:
         ],
     )
 
-    # Console formatter: colors enabled by default on non-Windows.
+    # Console formatter: colors controlled by LOG_COLORS env var (default: true).
     # Rich tracebacks with conservative limits to avoid 5000-line dumps.
+    use_colors = settings.LOG_COLORS
+    console_renderer_kwargs: dict[str, Any] = {
+        'colors': use_colors,
+        'pad_event_to': 0,
+        'pad_level': False,
+    }
+    if use_colors:
+        console_renderer_kwargs['exception_formatter'] = structlog.dev.RichTracebackFormatter(
+            show_locals=False,
+            max_frames=20,
+            extra_lines=1,
+            width=120,
+            suppress=['aiogram', 'aiohttp'],
+        )
+    else:
+        console_renderer_kwargs['exception_formatter'] = structlog.dev.plain_traceback
+
     console_formatter = structlog.stdlib.ProcessorFormatter(
         foreign_pre_chain=shared_processors,
         processors=[
             structlog.stdlib.ProcessorFormatter.remove_processors_meta,
             _prefix_logger_name,
-            structlog.dev.ConsoleRenderer(
-                pad_event_to=0,
-                pad_level=False,
-                exception_formatter=structlog.dev.RichTracebackFormatter(
-                    show_locals=False,
-                    max_frames=20,
-                    extra_lines=1,
-                    width=120,
-                    suppress=['aiogram', 'aiohttp'],
-                ),
-            ),
+            structlog.dev.ConsoleRenderer(**console_renderer_kwargs),
         ],
     )