feat(markdown): apply active theme syntax palette to code blocks

src/markdown_helper.py

@@ -73,6 +73,13 @@ class MarkdownRenderer:
   # Optional callback for custom local link handling (e.g., opening in IDE)
   self.on_local_link: Optional[Callable[[str], None]] = None
 
+  # Apply the current theme's syntax palette on construction so new
+  # editors we create pick up the right colors. The renderer is re-created
+  # when the theme changes (see theme_2 module-load behavior).
+  from src import theme_2
+  palette_id = theme_2.get_syntax_palette_for_theme(theme_2.get_current_palette())
+  theme_2.apply_syntax_palette(palette_id)
+
   # Language mapping for ImGuiColorTextEdit
   self._lang_map = {
    "python": _get_language_id("python"),