feat: improve RenPy conversion and support MIST runtime

backend/app/converter/locales.py

@@ -145,7 +145,7 @@ def import_tl(game_dir: Path, modules: dict[str, list[dict[str, Any]]],
                 _read_tl_file(read_source(f), loc, by_line,
                               by_group)
             except ParseError as e:
-                warn(f"Перевод {lang_dir.name}: ошибка разбора", f"{f.name}:{e.lineno}")
+                warn(f"Перевод {lang_dir.name}: ошибка разбора ({e.msg})", f"{f.name}:{e.lineno}")
         if loc.lines or loc.strings:
             result[lang_code(lang_dir.name)] = loc
             if loc.unmatched:
@@ -176,7 +176,10 @@ def _read_tl_file(text: str, loc: LocaleData, by_line, by_group) -> None:
             target = by_line.get(src)
         if target is None:
             original = _source_comment(line.block, raw_lines)
-            group = ident.rsplit("_", 1)[0]
+            # Ren'Py appends a numeric suffix when the same dialogue hash repeats.
+            # `start_ab12cd34_1` still belongs to `start`.
+            match = re.fullmatch(r"(.+)_[0-9a-fA-F]{8}(?:_\d+)?", ident)
+            group = match[1] if match else ident.rsplit("_", 1)[0]
             for node in by_group.get(group, []):
                 if original is not None and node["what"] == original:
                     target = node
@@ -204,10 +207,15 @@ def _source_comment(block: list[Line], raw_lines: list[str]) -> str | None:
         s = raw.strip()
         if s.startswith("#"):
             c = Cursor(s[1:].strip())
-            c.dotted() if not (c.peek('"') or c.peek("'")) else None
-            while c.image_part() is not None and not (c.peek('"') or c.peek("'")):
-                pass
-            text = c.string()
+            try:
+                c.dotted() if not (c.peek('"') or c.peek("'")) else None
+                while c.image_part() is not None and not (c.peek('"') or c.peek("'")):
+                    pass
+                text = c.string()
+            except ParseError:
+                # Source dialogue comments may span physical lines. They are only a
+                # fallback hint; malformed comments must not discard valid translations.
+                continue
             if text is not None:
                 return text
     return None