Select absent Hopper, Ghidra and Java locations consistently across registration environment acceptance fixtures. Host PATH Java was executing during IDA budget checks and exposing those checks to unrelated provider cleanup failures. Keep the process ownership failure policy and all registration assertions intact.
Refs #4378, #4384, #4432, #4496, #4501.
Keep inaccessible MSIX targets unknown, preserve literal AppData roots, and distinguish absent skill destinations from retained files. Isolate registration tests from host provider discovery.
Windows package behavior was exercised through filesystem fixtures; the installed Windows Claude application was not verified.
ShuaixinHuang