chore: update nanobot to 0.1.4.post6

backend/app/models/subagent.py

@@ -0,0 +1,17 @@
+from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, func
+from sqlalchemy.orm import relationship
+from app.database import Base
+
+class Subagent(Base):
+    __tablename__ = "subagents"
+
+    id = Column(Integer, primary_key=True, index=True)
+    project_id = Column(Integer, ForeignKey("projects.id"), nullable=False)
+    name = Column(String, nullable=False)
+    description = Column(String, nullable=True)
+    instructions = Column(String, nullable=True)
+    model = Column(String, nullable=True)
+    created_at = Column(DateTime, default=func.now())
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
+
+    project = relationship("Project", back_populates="subagents")