Replace /tmp references with ${KUGETSU_TEMP_DIR:-~/.local/share/opencode/tool-output}
since opencode blocks /tmp access in headless mode.
Updated files:
- docs/SUBAGENT_WORKFLOW.md
- docs/hermes-communication-patterns.md
- docs/hermes-setup.md
- docs/kugetsu-setup.md
- docs/opencode-usage.md
- skills/kugetsu/pm/SKILL.md
Fixes #73