refactor: replace DefaultLimitOffsetPage with LimitOffsetPage in multiple files and update timezone handling to use UTC

backend/app/models/activity_events.py

@@ -16,7 +16,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class ActivityEvent(QueryModel, table=True):
     """Discrete activity event tied to tasks and agents."""
 
-    __tablename__ = "activity_events"
+    __tablename__ = "activity_events"  # pyright: ignore[reportAssignmentType]
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)
     event_type: str = Field(index=True)

backend/app/models/agents.py

@@ -18,7 +18,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class Agent(QueryModel, table=True):
     """Agent configuration and lifecycle state persisted in the database."""
 
-    __tablename__ = "agents"
+    __tablename__ = "agents"  # pyright: ignore[reportAssignmentType]
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)
     board_id: UUID | None = Field(default=None, foreign_key="boards.id", index=True)

backend/app/models/approvals.py

@@ -17,7 +17,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class Approval(QueryModel, table=True):
     """Approval request and decision metadata for gated operations."""
 
-    __tablename__ = "approvals"
+    __tablename__ = "approvals"  # pyright: ignore[reportAssignmentType]
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)
     board_id: UUID = Field(foreign_key="boards.id", index=True)

backend/app/models/board_group_memory.py

@@ -17,7 +17,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class BoardGroupMemory(QueryModel, table=True):
     """Persisted memory items associated with a board group."""
 
-    __tablename__ = "board_group_memory"
+    __tablename__ = "board_group_memory"  # pyright: ignore[reportAssignmentType]
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)
     board_group_id: UUID = Field(foreign_key="board_groups.id", index=True)

backend/app/models/board_groups.py

@@ -16,7 +16,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class BoardGroup(TenantScoped, table=True):
     """Logical grouping container for boards within an organization."""
 
-    __tablename__ = "board_groups"
+    __tablename__ = "board_groups"  # pyright: ignore[reportAssignmentType]
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)
     organization_id: UUID = Field(foreign_key="organizations.id", index=True)

backend/app/models/board_memory.py

@@ -17,7 +17,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class BoardMemory(QueryModel, table=True):
     """Persisted memory item attached directly to a board."""
 
-    __tablename__ = "board_memory"
+    __tablename__ = "board_memory"  # pyright: ignore[reportAssignmentType]
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)
     board_id: UUID = Field(foreign_key="boards.id", index=True)

backend/app/models/board_onboarding.py

@@ -17,7 +17,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class BoardOnboardingSession(QueryModel, table=True):
     """Persisted onboarding conversation and draft goal data for a board."""
 
-    __tablename__ = "board_onboarding_sessions"
+    __tablename__ = "board_onboarding_sessions"  # pyright: ignore[reportAssignmentType]
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)
     board_id: UUID = Field(foreign_key="boards.id", index=True)

backend/app/models/boards.py

@@ -17,7 +17,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class Board(TenantScoped, table=True):
     """Primary board entity grouping tasks, agents, and goal metadata."""
 
-    __tablename__ = "boards"
+    __tablename__ = "boards"  # pyright: ignore[reportAssignmentType]
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)
     organization_id: UUID = Field(foreign_key="organizations.id", index=True)

backend/app/models/gateways.py

@@ -16,7 +16,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class Gateway(QueryModel, table=True):
     """Configured external gateway endpoint and authentication settings."""
 
-    __tablename__ = "gateways"
+    __tablename__ = "gateways"  # pyright: ignore[reportAssignmentType]
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)
     organization_id: UUID = Field(foreign_key="organizations.id", index=True)

backend/app/models/organization_board_access.py

@@ -17,7 +17,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class OrganizationBoardAccess(QueryModel, table=True):
     """Member-specific board permissions within an organization."""
 
-    __tablename__ = "organization_board_access"
+    __tablename__ = "organization_board_access"  # pyright: ignore[reportAssignmentType]
     __table_args__ = (
         UniqueConstraint(
             "organization_member_id",

backend/app/models/organization_invite_board_access.py

@@ -17,7 +17,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class OrganizationInviteBoardAccess(QueryModel, table=True):
     """Invite-specific board permissions applied after invite acceptance."""
 
-    __tablename__ = "organization_invite_board_access"
+    __tablename__ = "organization_invite_board_access"  # pyright: ignore[reportAssignmentType]
     __table_args__ = (
         UniqueConstraint(
             "organization_invite_id",

backend/app/models/organization_invites.py

@@ -17,7 +17,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class OrganizationInvite(QueryModel, table=True):
     """Invitation record granting prospective organization access."""
 
-    __tablename__ = "organization_invites"
+    __tablename__ = "organization_invites"  # pyright: ignore[reportAssignmentType]
     __table_args__ = (UniqueConstraint("token", name="uq_org_invites_token"),)
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)

backend/app/models/organization_members.py

@@ -17,7 +17,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class OrganizationMember(QueryModel, table=True):
     """Membership row linking a user to an organization and permissions."""
 
-    __tablename__ = "organization_members"
+    __tablename__ = "organization_members"  # pyright: ignore[reportAssignmentType]
     __table_args__ = (
         UniqueConstraint(
             "organization_id",

backend/app/models/organizations.py

@@ -17,7 +17,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class Organization(QueryModel, table=True):
     """Top-level organization tenant record."""
 
-    __tablename__ = "organizations"
+    __tablename__ = "organizations"  # pyright: ignore[reportAssignmentType]
     __table_args__ = (UniqueConstraint("name", name="uq_organizations_name"),)
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)

backend/app/models/task_dependencies.py

@@ -17,7 +17,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class TaskDependency(TenantScoped, table=True):
     """Directed dependency edge between two tasks in the same board."""
 
-    __tablename__ = "task_dependencies"
+    __tablename__ = "task_dependencies"  # pyright: ignore[reportAssignmentType]
     __table_args__ = (
         UniqueConstraint(
             "task_id",

backend/app/models/task_fingerprints.py

@@ -16,7 +16,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class TaskFingerprint(QueryModel, table=True):
     """Hashed task-content fingerprint associated with a board and task."""
 
-    __tablename__ = "task_fingerprints"
+    __tablename__ = "task_fingerprints"  # pyright: ignore[reportAssignmentType]
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)
     board_id: UUID = Field(foreign_key="boards.id", index=True)

backend/app/models/tasks.py

@@ -16,7 +16,7 @@ RUNTIME_ANNOTATION_TYPES = (datetime,)
 class Task(TenantScoped, table=True):
     """Board-scoped task entity with ownership, status, and timing fields."""
 
-    __tablename__ = "tasks"
+    __tablename__ = "tasks"  # pyright: ignore[reportAssignmentType]
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)
     board_id: UUID | None = Field(default=None, foreign_key="boards.id", index=True)

backend/app/models/users.py

@@ -12,7 +12,7 @@ from app.models.base import QueryModel
 class User(QueryModel, table=True):
     """Application user account and profile attributes."""
 
-    __tablename__ = "users"
+    __tablename__ = "users"  # pyright: ignore[reportAssignmentType]
 
     id: UUID = Field(default_factory=uuid4, primary_key=True)
     clerk_user_id: str = Field(index=True, unique=True)