chore: remove obsolete .a0/ and worklog.md (state migrated to plugin DB)

backend/app/schemas/project.py

@@ -177,3 +177,98 @@ class ProjectFunctionListResponse(BaseModel):
     total: int
     page: int
     size: int
+
+
+# ===== ProjectEquipmentGroup Schemas =====
+
+class ProjectEquipmentGroupCreateRequest(BaseModel):
+    """Request body for creating an equipment group."""
+    name: str = Field(..., max_length=255)
+    sort_order: int = 0
+    start_date: datetime | None = None
+    end_date: datetime | None = None
+
+
+class ProjectEquipmentGroupUpdateRequest(BaseModel):
+    """Request body for updating an equipment group."""
+    name: str | None = Field(None, max_length=255)
+    sort_order: int | None = None
+    start_date: datetime | None = None
+    end_date: datetime | None = None
+
+
+class ProjectEquipmentGroupResponse(BaseModel):
+    """Public equipment group representation."""
+    id: str
+    name: str
+    project_id: str
+    sort_order: int = 0
+    start_date: datetime | None = None
+    end_date: datetime | None = None
+
+    model_config = {"from_attributes": True}
+
+
+class ProjectEquipmentGroupListResponse(BaseModel):
+    """Paginated list of equipment groups."""
+    items: list[ProjectEquipmentGroupResponse]
+    total: int
+    page: int
+    size: int
+
+
+class ProjectEquipmentGroupDetailResponse(BaseModel):
+    """Equipment group with nested items."""
+    id: str
+    name: str
+    project_id: str
+    sort_order: int = 0
+    start_date: datetime | None = None
+    end_date: datetime | None = None
+    items: list["ProjectEquipmentResponse"] = []
+
+    model_config = {"from_attributes": True}
+
+
+# ===== ProjectEquipment Schemas =====
+
+class ProjectEquipmentCreateRequest(BaseModel):
+    """Request body for adding equipment to a project group."""
+    equipment_id: str | None = None
+    name: str = Field(..., max_length=255)
+    quantity: float = 1.0
+    price: float = 0.0
+    discount: float = 0.0
+    sort_order: int = 0
+
+
+class ProjectEquipmentUpdateRequest(BaseModel):
+    """Request body for updating project equipment."""
+    equipment_id: str | None = None
+    name: str | None = Field(None, max_length=255)
+    quantity: float | None = None
+    price: float | None = None
+    discount: float | None = None
+    sort_order: int | None = None
+
+
+class ProjectEquipmentResponse(BaseModel):
+    """Public project equipment representation."""
+    id: str
+    project_equipment_group_id: str
+    equipment_id: str | None = None
+    name: str
+    quantity: float = 1.0
+    price: float = 0.0
+    discount: float = 0.0
+    sort_order: int = 0
+
+    model_config = {"from_attributes": True}
+
+
+class ProjectEquipmentListResponse(BaseModel):
+    """Paginated list of project equipment."""
+    items: list[ProjectEquipmentResponse]
+    total: int
+    page: int
+    size: int