refactor: split tasks/supports/meetings into separate tables

app/models/meeting.py

@@ -0,0 +1,39 @@
+from sqlalchemy import Column, Integer, String, Text, DateTime, ForeignKey, Enum
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+from app.core.config import Base
+import enum
+
+class MeetingStatus(str, enum.Enum):
+    SCHEDULED = "scheduled"
+    IN_PROGRESS = "in_progress"
+    COMPLETED = "completed"
+    CANCELLED = "cancelled"
+
+class MeetingPriority(str, enum.Enum):
+    LOW = "low"
+    MEDIUM = "medium"
+    HIGH = "high"
+    CRITICAL = "critical"
+
+class Meeting(Base):
+    __tablename__ = "meetings"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    title = Column(String(255), nullable=False)
+    description = Column(Text, nullable=True)
+    status = Column(Enum(MeetingStatus), default=MeetingStatus.SCHEDULED)
+    priority = Column(Enum(MeetingPriority), default=MeetingPriority.MEDIUM)
+    
+    project_id = Column(Integer, ForeignKey("projects.id"), nullable=False)
+    milestone_id = Column(Integer, ForeignKey("milestones.id"), nullable=False)
+    reporter_id = Column(Integer, ForeignKey("users.id"), nullable=False)
+    
+    scheduled_at = Column(DateTime(timezone=True), nullable=True)
+    duration_minutes = Column(Integer, nullable=True)
+    
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    updated_at = Column(DateTime(timezone=True), onupdate=func.now())
+    
+    
+    reporter = relationship("User", foreign_keys=[reporter_id])