Release PPT workflow 0.7.2 with text and container constraints

scripts/finalize_theme.py

@@ -112,11 +112,17 @@ def finalize(path: Path, theme: dict, style: dict):
                 if ea is not None and len(fallbacks) == 1:
                     ea.set("typeface", next(iter(fallbacks)))
                     changed = True
-                # Weight is role metadata, not an inference that all titles bold.
+                # The compiler resolves source weight for every actual run;
+                # it emits b="1" for bold and omits b for regular. Materialize
+                # regular explicitly so a bold family/master cannot override it.
                 weights = {entry.get("weight_number") for entry in entries}
-                if len(weights) == 1 and None not in weights:
-                    run.set("b", "1" if next(iter(weights)) >= 600 else "0")
-                    changed = True
+                if run.get("b") is None:
+                    if run.tag == "{" + NS["a"] + "}rPr":
+                        run.set("b", "0")
+                        changed = True
+                    elif len(weights) == 1 and None not in weights:
+                        run.set("b", "1" if next(iter(weights)) >= 600 else "0")
+                        changed = True
             if changed:
                 tree.write(str(part), encoding="utf-8", xml_declaration=True)
         # A template's body size is its default at each nesting level. The author