feat: add organization-related models and update schemas for organization management

backend/app/schemas/organizations.py

@@ -0,0 +1,100 @@
+from __future__ import annotations
+
+from datetime import datetime
+from uuid import UUID
+
+from sqlmodel import Field, SQLModel
+
+
+class OrganizationRead(SQLModel):
+    id: UUID
+    name: str
+    created_at: datetime
+    updated_at: datetime
+
+
+class OrganizationCreate(SQLModel):
+    name: str
+
+
+class OrganizationActiveUpdate(SQLModel):
+    organization_id: UUID
+
+
+class OrganizationListItem(SQLModel):
+    id: UUID
+    name: str
+    role: str
+    is_active: bool
+
+
+class OrganizationUserRead(SQLModel):
+    id: UUID
+    email: str | None = None
+    name: str | None = None
+    preferred_name: str | None = None
+
+
+class OrganizationMemberRead(SQLModel):
+    id: UUID
+    organization_id: UUID
+    user_id: UUID
+    role: str
+    all_boards_read: bool
+    all_boards_write: bool
+    created_at: datetime
+    updated_at: datetime
+    user: OrganizationUserRead | None = None
+    board_access: list[OrganizationBoardAccessRead] = Field(default_factory=list)
+
+
+class OrganizationMemberUpdate(SQLModel):
+    role: str | None = None
+
+
+class OrganizationBoardAccessSpec(SQLModel):
+    board_id: UUID
+    can_read: bool = True
+    can_write: bool = False
+
+
+class OrganizationBoardAccessRead(SQLModel):
+    id: UUID
+    board_id: UUID
+    can_read: bool
+    can_write: bool
+    created_at: datetime
+    updated_at: datetime
+
+
+class OrganizationMemberAccessUpdate(SQLModel):
+    all_boards_read: bool = False
+    all_boards_write: bool = False
+    board_access: list[OrganizationBoardAccessSpec] = Field(default_factory=list)
+
+
+class OrganizationInviteCreate(SQLModel):
+    invited_email: str
+    role: str = "member"
+    all_boards_read: bool = False
+    all_boards_write: bool = False
+    board_access: list[OrganizationBoardAccessSpec] = Field(default_factory=list)
+
+
+class OrganizationInviteRead(SQLModel):
+    id: UUID
+    organization_id: UUID
+    invited_email: str
+    role: str
+    all_boards_read: bool
+    all_boards_write: bool
+    token: str
+    created_by_user_id: UUID | None = None
+    accepted_by_user_id: UUID | None = None
+    accepted_at: datetime | None = None
+    created_at: datetime
+    updated_at: datetime
+
+
+class OrganizationInviteAccept(SQLModel):
+    token: str