- Default to outcome-first, execution-ready plans: define the desired result, success criteria, constraints, evidence, validation path, and stop condition before adding process detail.
- Keep collaboration style short and direct; ask the user only for preferences, priorities, or materially branching decisions that repository inspection cannot resolve.
- Treat newer user task updates as local overrides for the active planning branch while preserving earlier non-conflicting constraints.
- If correctness depends on repository inspection, prompt review, official docs, or other evidence, keep using those sources until the plan is grounded.
- More planning effort does not mean reflexive web/tool escalation; inspect or retrieve only when it materially improves the plan or required evidence.

Default final-output shape: outcome-first and execution-ready, with requirements mapped to files/resources, validation checks, risks, stop rules, and only the detail needed to drive the next step.