Build

Autonomous feature implementation inside an isolated git worktree on a fresh feat/<name> branch. Initialize the harness, implement tasks linearly (one commit per tasks.md row), review, test, create a PR, handle feedback, and merge — all without user interaction.

Phase numbering: Phases 1–3 (explore, propose, review) were completed on the integration branch via /aep-design. This skill begins at Phase 0 (workspace init) and continues from Phase 4 (implementation).

Loop hygiene: Each phase runs under a unified --max-turns runaway budget. Hitting the cap is not completion — treat it as "possibly unsolvable → escalate" (Human-Gate Protocol), distinct from a clean finish, so a stuck phase (a non-converging Phase 5 loop, say) does not read as done.

Where this fits:

/aep-onboard → /aep-scaffold → [ /aep-design → /aep-launch → /aep-build → /aep-wrap ]
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Session: Workspace session, autonomous Input: OpenSpec artifacts on disk (committed to the integration branch by /aep-design) Output: Merged PR