pub fn parse_file_uri(cand: &str) -> Option<PathBuf>Expand description
Parse an MCP file URI or plain path into a normalized PathBuf.
Handles standard file URIs (file:///path), two-slash drive letter URIs (file://C:/...),
pipe drive delimiters (file:///C|/..., file://C|/...), percent-encoding (%20, %7C), and plain paths.