[30388f42] Infrastructure Hardening: Repaired CE/Connector DB schema, fixed frontend styling build, implemented robust echo shield in worker v2.1.1, and integrated Lead Engine into gateway.

lead-engine/trading_twins/models.py

@@ -0,0 +1,45 @@
+from sqlalchemy import create_engine, Column, Integer, String, DateTime, ForeignKey, Boolean
+from sqlalchemy.orm import declarative_base, relationship, sessionmaker
+from datetime import datetime
+
+Base = declarative_base()
+
+class ProposalJob(Base):
+    __tablename__ = 'proposal_jobs'
+
+    id = Column(Integer, primary_key=True)
+    job_uuid = Column(String, unique=True, nullable=False)  # Für die API-Links
+    customer_email = Column(String, nullable=False)
+    customer_name = Column(String, nullable=True)
+    customer_company = Column(String, nullable=True)
+    
+    # Status-Tracking
+    status = Column(String, default='pending')  # pending, approved, rejected, sent, failed
+    
+    # Audit-Trail
+    created_at = Column(DateTime, default=datetime.now)
+    updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)
+    approved_at = Column(DateTime, nullable=True)
+    
+    # Verknüpfung zu den vorgeschlagenen Slots
+    slots = relationship("ProposedSlot", back_populates="job")
+
+class ProposedSlot(Base):
+    __tablename__ = 'proposed_slots'
+
+    id = Column(Integer, primary_key=True)
+    job_id = Column(Integer, ForeignKey('proposal_jobs.id'))
+    
+    start_time = Column(DateTime, nullable=False)
+    end_time = Column(DateTime, nullable=False)
+    
+    # Wir brauchen kein 'is_blocked' Flag mehr, da wir dynamisch zählen,
+    # wie oft 'start_time' in den letzten 24h verwendet wurde.
+    
+    job = relationship("ProposalJob", back_populates="slots")
+
+# DB Setup Helper
+def init_db(db_path='sqlite:///trading_twins/trading_twins.db'):
+    engine = create_engine(db_path)
+    Base.metadata.create_all(engine)
+    return sessionmaker(bind=engine)