fix: clear local git config when switching to global scope

fix: allow /Users/ prefix in path validation for macOS

fix: don't set gpg.program, GNUPGHOME suffices

fix: safe_snprintf return value broke all gpg_manager callers

chore: update RPM spec to v1.1.9 with aarch64 support

fix: version stamping for tarball builds, trim --version output

build: version stamping from git tags

fixes to account detection

chore: update version string to 1.1.5

fix: resolve compiler warnings for clean NixOS builds

update spec

docs: add fish shell syntax to SSH integration tip

feat: persistent SSH agents with session state tracking

fix: use rotating buffers in display_colorize to prevent overwrite

fix: flush stdout after display_status to ensure output is shown