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Save current task execution state to .fusion/ for context recovery across sessions. Use at key milestones, before context compaction, or when switching tasks.
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Based on SOC occupation classification
| name | checkpoint |
| description | Save current task execution state to .fusion/ for context recovery across sessions. Use at key milestones, before context compaction, or when switching tasks. |
Save the current execution state to .fusion/recovery.json and .fusion/handoff.md.
.trellis/.current-task)plan.md to determine current slice progresstask.json for task metadatagit status for current working filespython3 ./.trellis/scripts/fusion/checkpoint.py \
--slice <current-slice> \
--status "<current step description>" \
--files "<files being edited>" \
--source "<current skill name>" \
--next "<recommended next step>"
python3 ./.trellis/scripts/fusion/checkpoint.py \
--blocker "description" \
--decision "chose X::because Y"
| File | Purpose |
|---|---|
.fusion/recovery.json | Machine-readable execution state |
.fusion/handoff.md | Human-readable session handoff summary |
.fusion/events.jsonl | Append-only event log |
recovery.json; other agents are read-onlyhandoff.md is fully rewritten each checkpoint (not appended)Read the backend development guidelines before starting your development task.
Read the frontend development guidelines before starting your development task.
Deep requirements and design discovery workflow that keeps Trellis task-first PRD capture but adds stronger design confirmation, explicit technical design notes, and a clean handoff to task plan generation. Use when you want a richer brainstorming experience than $brainstorm, when trade-offs need deliberate review, or when you want Superpowers-style design validation inside Trellis tasks.
Check if the code you just wrote follows the backend development guidelines.
Cross-Layer Check
Check if the code you just wrote follows the frontend development guidelines.