feat(workspace): restore core routes on sqlalchemy adapters

packages/adapters/sqlalchemy_impl/models.py

@@ -1,6 +1,6 @@
 from datetime import datetime, timezone
 
-from sqlalchemy import Boolean, Column, DateTime, Float, String, Text, create_engine
+from sqlalchemy import Boolean, Column, DateTime, Float, String, Text, UniqueConstraint, create_engine
 from sqlalchemy.orm import declarative_base
 
 Base = declarative_base()
@@ -23,6 +23,48 @@ class UserModel(Base):
     created_at = Column(DateTime, nullable=False, default=lambda: datetime.now(timezone.utc))
 
 
+class WorkspaceModel(Base):
+    __tablename__ = "workspaces"
+
+    id = Column(String(36), primary_key=True)
+    name = Column(String(100), nullable=False)
+    owner_user_id = Column(String(36), nullable=False, index=True)
+    subscription_plan = Column(String(20), nullable=False, default="free")
+    subscription_status = Column(String(20), nullable=False, default="active")
+    subscription_expires_at = Column(DateTime, nullable=True)
+    max_projects = Column(Float, nullable=False, default=3)
+    max_storage_gb = Column(Float, nullable=False, default=10)
+    used_storage_gb = Column(Float, nullable=False, default=0.0)
+    created_at = Column(DateTime, nullable=False, default=lambda: datetime.now(timezone.utc))
+
+
+class WorkspaceMemberModel(Base):
+    __tablename__ = "workspace_members"
+    __table_args__ = (UniqueConstraint("workspace_id", "user_id", name="uq_workspace_members_workspace_user"),)
+
+    id = Column(String(36), primary_key=True)
+    workspace_id = Column(String(36), nullable=False, index=True)
+    user_id = Column(String(36), nullable=False, index=True)
+    role = Column(String(20), nullable=False)
+    invited_by = Column(String(36), nullable=True)
+    joined_at = Column(DateTime, nullable=False, default=lambda: datetime.now(timezone.utc))
+
+
+class WorkspaceInvitationModel(Base):
+    __tablename__ = "workspace_invitations"
+
+    id = Column(String(36), primary_key=True)
+    workspace_id = Column(String(36), nullable=False, index=True)
+    inviter_user_id = Column(String(36), nullable=False)
+    invitee_email = Column(String(255), nullable=False, index=True)
+    role = Column(String(20), nullable=False)
+    invitation_token = Column(String(255), nullable=False, unique=True, index=True)
+    status = Column(String(20), nullable=False, default="pending", index=True)
+    expires_at = Column(DateTime, nullable=True)
+    accepted_at = Column(DateTime, nullable=True)
+    created_at = Column(DateTime, nullable=False, default=lambda: datetime.now(timezone.utc))
+
+
 class ProjectModel(Base):
     __tablename__ = "projects"