Adds checks for U+2215 DIVISION SLASH (∕), U+FF0F FULLWIDTH SOLIDUS (/), and U+29F5 REVERSE SOLIDUS OPERATOR (⧵) — all of which bypass the existing ASCII separator checks on Linux path resolution. Adds a clarifying comment on the Paths.get().isAbsolute() call explaining its InvalidPathException safety boundary. Adds 3 regression tests. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>