Explore the feature

Objective: give the operator or next worker a reproducible view of defects.

Shared execution contract

Read ../feature-pipeline/SKILL.md relative to this skill directory. Inherit its mode, authority, hard stops and finish-state proof. Default is structured economy; lean mode may combine stages. A routine checkpoint records progress and continues in lean/economy mode. Only explicit hard-gated milestones or an actual unapproved authority boundary wait for human approval. Standalone invocation ends when this skill's scoped deliverable is complete; it does not require approval to perform already-authorized work. Use the actual harness tools, never invented spawn APIs.

State helper: bash .agents/skills/feature-pipeline/scripts/state.sh. Inspect existing state and Git/PR state before work. State and planApproved are recovery notes, never authorization or L4 approval. Refer to the shared skill's checkpoint command before advancing; do not classify a real boundary as routine.

Work and done-check

Resolve the feature from the operator's instruction, then state. If both are missing, request the target. Exercise relevant happy, edge, invalid-input, flag-combination and composed-output cases in a sandbox. Retain this decomposition for cheap workers; avoid arbitrary probes that do not apply to the feature. Capture expected/actual behavior, exact reproduction and severity. Bound the initial pass to eight distinct findings; prioritize real high-impact problems.

Deduplicate before any authorized issue filing and use --body-file. Existing operator instructions may prohibit new issues; keep findings locally or in the existing PR instead. Record each finding/authorized issue immediately. No findings is a valid outcome; do not fabricate an issue to unlock planning.

Done: findings are reproducible and scoped, no forbidden external action occurred, and state phase advances from 1 to 2. In a full authorized pipeline continue to fp-plan after a routine checkpoint; in hard-gated mode present M1 evidence and wait. A standalone exploration returns the finding receipt.