Вроде работает

backend/src/models/llm.py

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+# [DEF:backend.src.models.llm:Module]
+# @TIER: STANDARD
+# @SEMANTICS: llm, models, sqlalchemy, persistence
+# @PURPOSE: SQLAlchemy models for LLM provider configuration and validation results.
+# @LAYER: Domain
+# @RELATION: INHERITS_FROM -> backend.src.models.mapping.Base
+
+from sqlalchemy import Column, String, Boolean, DateTime, JSON, Enum, Text
+from datetime import datetime
+import uuid
+from .mapping import Base
+
+def generate_uuid():
+    return str(uuid.uuid4())
+
+# [DEF:LLMProvider:Class]
+# @PURPOSE: SQLAlchemy model for LLM provider configuration.
+class LLMProvider(Base):
+    __tablename__ = "llm_providers"
+    
+    id = Column(String, primary_key=True, default=generate_uuid)
+    provider_type = Column(String, nullable=False) # openai, openrouter, kilo
+    name = Column(String, nullable=False)
+    base_url = Column(String, nullable=False)
+    api_key = Column(String, nullable=False) # Should be encrypted
+    default_model = Column(String, nullable=False)
+    is_active = Column(Boolean, default=True)
+    created_at = Column(DateTime, default=datetime.utcnow)
+# [/DEF:LLMProvider:Class]
+
+# [DEF:ValidationRecord:Class]
+# @PURPOSE: SQLAlchemy model for dashboard validation history.
+class ValidationRecord(Base):
+    __tablename__ = "llm_validation_results"
+    
+    id = Column(String, primary_key=True, default=generate_uuid)
+    dashboard_id = Column(String, nullable=False, index=True)
+    timestamp = Column(DateTime, default=datetime.utcnow)
+    status = Column(String, nullable=False) # PASS, WARN, FAIL
+    screenshot_path = Column(String, nullable=True)
+    issues = Column(JSON, nullable=False)
+    summary = Column(Text, nullable=False)
+    raw_response = Column(Text, nullable=True)
+# [/DEF:ValidationRecord:Class]
+
+# [/DEF:backend.src.models.llm:Module]