Execute

Guides implementation of tasks.md with structured completion tracking. This is Step 6 (Execute via agent or human implementation): Pick up source → Brainstorm → SPEC.md → Slices → Review → Branch → Execute → Verify → PR + bot → Close loop

Step 6 only begins after the Step 5 human-review gate — the caller (a human or the gsdl orchestrator) is responsible for confirming the slices were reviewed before invoking this skill.

Tier

MEDIUM. By the time this skill runs, the hard thinking is already done and reviewed: SPEC.md and the sliced tasks.md are the brief. This step is implementation against an approved plan. When the gsdl orchestrator runs Step 6 it spawns one MEDIUM subagent per parent slice.

If the plan itself looks wrong — a slice contradicts SPEC.md, a sub-task is impossible as written, or the approach needs rethinking — stop and escalate to the caller rather than redesigning. Plan changes belong back in Step 3/4 on the LARGE tier.