refactor(core): декомпозиция db_cli, сервисный дамп БД и зачистка контекста

core/database.py

@@ -5,6 +5,10 @@ ROLE: Фасад ядра базы данных с полной обратной
 ===============================================================================
 """
 
+import os
+import pandas as pd
+from config import OUTPUT_DIR
+
 from core.connection import get_connection, DB_PATH
 from core.schema import init_all_tables
 
@@ -32,4 +36,22 @@ from core.repositories.zup_repo import (
     add_department_synonym_to_db
 )
 
-init_db = init_all_tables
+init_db = init_all_tables
+
+def dump_database_to_excel(out_filename: str = "db_dump_full.xlsx") -> str:
+    """Создает полный дамп всех ключевых таблиц SQLite в многостраничный Excel."""
+    out_path = os.path.join(OUTPUT_DIR, out_filename)
+    tables = [
+        'scud_logs', 'scud_events_raw', 'zup_staff', 'zup_absences', 
+        'anomalies_history', 'ai_knowledge_base', 'chat_messages', 
+        'session_states', 'system_prompt_nodes', 'tasks', 
+        'exceptions_registry', 'manual_absences', 'person_identity_mapping'
+    ]
+    with get_connection() as conn, pd.ExcelWriter(out_path, engine='openpyxl') as writer:
+        for table in tables:
+            try:
+                df = pd.read_sql_query(f"SELECT * FROM {table}", conn)
+                df.to_excel(writer, sheet_name=table[:31], index=False)
+            except Exception:
+                pass
+    return out_path