v0.20.7 restructure source and platform workspaces

src/scripts/reporting/fonts.py

@@ -0,0 +1,32 @@
+"""Font resolution helpers for PDF rendering."""
+
+from __future__ import annotations
+
+from dataclasses import dataclass
+from pathlib import Path
+
+
+@dataclass(frozen=True)
+class QuartoFonts:
+    main_font: str
+    sans_font: str
+    requires_system_fonts: bool
+
+
+def resolve_quarto_fonts(fonts_dir: Path) -> QuartoFonts:
+    """Resolve Quarto font names.
+
+    Quarto/xelatex currently uses installed font family names. We still accept
+    fonts_dir so callers can validate/report environment state consistently.
+    """
+    expected = [
+        fonts_dir / "SourceHanSerifSC-Regular.otf",
+        fonts_dir / "SourceHanSansSC-Bold.otf",
+    ]
+    requires_system_fonts = not all(path.exists() for path in expected)
+    return QuartoFonts(
+        main_font="Source Han Serif CN",
+        sans_font="Source Han Sans CN",
+        requires_system_fonts=requires_system_fonts,
+    )
+