T024: add function_type and group start/end dates to function groups UI

backend/app/models/project.py

@@ -108,6 +108,8 @@ class ProjectFunctionGroup(Base):
         String(36), ForeignKey("projects.id", ondelete="CASCADE"), nullable=False
     )
     sort_order: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
+    start_date: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    end_date: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
 
     # Relationships
     project: Mapped["Project"] = relationship(
@@ -135,6 +137,7 @@ class ProjectFunction(Base):
         ForeignKey("project_function_groups.id", ondelete="CASCADE"),
         nullable=False,
     )
+    function_type: Mapped[str] = mapped_column(String(50), nullable=False, default='crew')
     quantity: Mapped[float] = mapped_column(Float, nullable=False, default=1.0)
     daily_costs: Mapped[float] = mapped_column(Float, nullable=False, default=0.0)
     total_costs: Mapped[float] = mapped_column(Float, nullable=False, default=0.0)

backend/app/schemas/project.py

@@ -103,12 +103,16 @@ class ProjectFunctionGroupCreateRequest(BaseModel):
     """Request body for creating a function group."""
     name: str = Field(..., max_length=255)
     sort_order: int = 0
+    start_date: datetime | None = None
+    end_date: datetime | None = None
 
 
 class ProjectFunctionGroupUpdateRequest(BaseModel):
     """Request body for updating a function 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 ProjectFunctionGroupResponse(BaseModel):
@@ -117,6 +121,8 @@ class ProjectFunctionGroupResponse(BaseModel):
     name: str
     project_id: str
     sort_order: int = 0
+    start_date: datetime | None = None
+    end_date: datetime | None = None
 
     model_config = {"from_attributes": True}
 
@@ -134,6 +140,7 @@ class ProjectFunctionGroupListResponse(BaseModel):
 class ProjectFunctionCreateRequest(BaseModel):
     """Request body for creating a project function."""
     name: str = Field(..., max_length=255)
+    function_type: str = "crew"
     quantity: float = 1.0
     daily_costs: float = 0.0
     total_costs: float = 0.0
@@ -143,6 +150,7 @@ class ProjectFunctionCreateRequest(BaseModel):
 class ProjectFunctionUpdateRequest(BaseModel):
     """Request body for updating a project function."""
     name: str | None = Field(None, max_length=255)
+    function_type: str | None = None
     quantity: float | None = None
     daily_costs: float | None = None
     total_costs: float | None = None
@@ -154,6 +162,7 @@ class ProjectFunctionResponse(BaseModel):
     id: str
     name: str
     function_group_id: str
+    function_type: str = "crew"
     quantity: float = 1.0
     daily_costs: float = 0.0
     total_costs: float = 0.0