chore: import upstream snapshot with attribution

servers/fastapi/models/sql/presentation_layout_code.py

@@ -0,0 +1,38 @@
+from datetime import datetime
+from typing import Optional
+import uuid
+
+from sqlalchemy import JSON, Column, DateTime, Text
+from sqlmodel import Field, SQLModel
+
+from utils.datetime_utils import get_current_utc_datetime
+
+
+class PresentationLayoutCodeModel(SQLModel, table=True):
+    __tablename__ = "presentation_layout_codes"
+
+    id: Optional[int] = Field(default=None, primary_key=True)
+    presentation: uuid.UUID = Field(index=True, description="UUID of the presentation")
+    layout_id: str = Field(description="Unique identifier for the layout")
+    layout_name: str = Field(description="Display name of the layout")
+    layout_code: str = Field(
+        sa_column=Column(Text), description="TSX/React component code for the layout"
+    )
+    fonts: Optional[dict[str, str] | list[str]] = Field(
+        default=None,
+        sa_column=Column(JSON, nullable=True),
+        description="Optional font metadata associated with the layout",
+    )
+    created_at: datetime = Field(
+        sa_column=Column(
+            DateTime(timezone=True), nullable=False, default=get_current_utc_datetime
+        )
+    )
+    updated_at: datetime = Field(
+        sa_column=Column(
+            DateTime(timezone=True),
+            nullable=False,
+            default=get_current_utc_datetime,
+            onupdate=get_current_utc_datetime,
+        ),
+    )