Follow-up to #74. Two concrete fixes to the "identity wallpaper on join" step:
1. tmp policy: the join script hardcoded WP=/tmp/clawdie-wallpaper.png, passing
it to clawdie-wallpaper-gen and overriding the safe SCRATCH_DIR default that
9ae8d25 had just introduced (project-local tmp/ or app-owned cache). The
generator now prints its chosen path on stdout (human note → stderr) and the
join script captures it: WP=$(clawdie-wallpaper-gen). No host-global /tmp.
2. wallpaper actually applies: replaced the hardcoded
/backdrop/screen0/monitor0/workspace0/last-image with an enumeration over
every existing */last-image property (XFCE keys backdrops by connector name,
e.g. monitorHDMI-1, not monitor0), falling back to creating the default
property on first boot/headless, then xfdesktop --reload.
SKILL.md updated to document the stdout contract and multi-monitor wiring.
Validation: sh -n on both scripts; prettier@3 --check SKILL.md;
python3 scripts/layered_soul.py validate . — all pass.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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