* fix(uploads): include markdown modification time in ownership records
* test(uploads): reject same-size edited companions on Windows
* fix(uploads): distinguish legacy companion records
---------
Co-authored-by: Willem Jiang <willem.jiang@gmail.com>
* fix(uploads): make companion record removal best-effort
* style(uploads): format the new test and log the markdown-reference removal
* fix(uploads): report the orphaned record through the module that owns it