refactor: step 2 - extract domain services (tasks, prompts, snapshots, knowledge)

modules/web_api/llm/db_tools.py

@@ -3,42 +3,61 @@
 FILE: modules/web_api/llm/db_tools.py
 PROJECT: SCUD Orion AI (Unified Architecture)
 MODULE: web_api / llm
-ROLE: Фасадная точка доступа ко всем функциям базы данных SQLite.
+ROLE: Фасадная точка доступа к доменным сервисам (Domain Facade).
+
+AI-CONTEXT-ANCHORS:
+  - ANCHOR[FACADE_EXPORTS]: Экспорт методов предметных сервисов для LLM и API.
 ===============================================================================
 """
 
-from .db.connection import DB_PATH, get_db_connection
-from .db.db_prompts import (
-    db_get_active_system_prompt,
-    db_add_system_prompt,
-    db_apply_prompt_node_action,
-    db_get_tool_action,
-    db_set_session_state,
-    db_get_session_state,
-    db_clear_session_state,
-    db_get_rules,
-    db_get_stats,
-    db_get_anomalies,
-    db_get_reference
+# ANCHOR[FACADE_EXPORTS]
+from core.connection import DB_PATH, get_connection as get_db_connection
+
+# Домен: Задачи
+from services.tasks.service import (
+    get_tasks as db_get_tasks,
+    add_task as db_add_task,
+    update_task_details as db_update_task_details,
+    delete_task as db_delete_task,
+    execute_task_action as db_tasks_edit
 )
+from services.tasks.exporter import export_tasks_to_markdown as db_export_tasks_markdown
+from services.tasks.repository import normalize_task_id
+
+# Домен: Системный промпт
+from services.prompts.service import (
+    get_active_system_prompt as db_get_active_system_prompt,
+    apply_prompt_action as db_apply_prompt_node_action,
+    save_full_prompt_draft as db_add_system_prompt,
+    create_prompt_preview
+)
+
+# Домен: Снапшоты СКУД
+from services.snapshots.service import (
+    get_snapshots_registry as db_get_snapshots,
+    delete_snapshots_safely as db_delete_snapshots
+)
+
+# Домен: База знаний
+from services.knowledge.service import (
+    get_rules as db_get_rules,
+    add_rule as db_add_rule
+)
+
+# Чат, сессии, статистика
 from .db.db_chat import (
     db_save_chat_message,
     db_get_chat_history,
     db_purge_ephemeral_messages,
     db_clear_chat_history
 )
-from .db.db_tasks import (
-    normalize_task_id,
-    db_get_tasks,
-    db_add_task,
-    db_update_task_status,
-    db_update_task_details,
-    db_delete_task,
-    db_export_tasks_markdown,
-    db_tasks_edit
-)
-from .db.db_snapshots import (
-    db_get_snapshots,
-    db_delete_snapshots
+from .db.db_prompts import (
+    db_get_tool_action,
+    db_set_session_state,
+    db_get_session_state,
+    db_clear_session_state,
+    db_get_stats,
+    db_get_anomalies,
+    db_get_reference
 )
 from .core.calendar_utils import get_dynamic_calendar_context as db_get_current_server_time