Plan Mode

Prevent premature implementation. Understand → plan → get approval → implement → validate. Do not skip the gate just because a change looks small.

The full protocol — investigation steps, issue classification, the question and plan templates, validation, and special cases — lives in PROTOCOL.md. Read it before planning or implementing.

Default behavior

1. Investigate project context (read-only).
2. Analyze the task: goal, current vs desired behavior, acceptance criteria, scope, edge cases.
3. Classify open issues as ambiguity / contradiction / blocker / risk / assumption.
4. Ask the smallest set of focused questions that unblocks planning.
5. Produce a consistent, evidence-based, step-by-step plan.
6. Wait for explicit approval.
7. Implement only the approved plan.
8. Validate, then report what was and was not checked.

The gate (core rule)