updateSection method
Update a section's content in a memory file.
Implementation
Future<MemoryFile?> updateSection(
String path, {
required String heading,
required String newContent,
}) async {
final existing = _files[path];
if (existing == null) return null;
final sections = MemoryParser.parse(existing.content);
bool found = false;
final updated = sections.map((s) {
if (s.heading == heading) {
found = true;
return MemorySection(
heading: s.heading,
level: s.level,
content: newContent,
tags: s.tags,
addedAt: s.addedAt,
addedBy: s.addedBy,
);
}
return s;
}).toList();
if (!found) return existing;
final content = MemoryParser.build(updated);
return save(path, content);
}