Estimate

Phase 1: Understand the Task

Read the task description from the argument. If the description is too vague to estimate meaningfully, ask for clarification before proceeding.

Read CLAUDE.md for project context: tech stack, coding standards, architectural patterns, and any estimation guidelines.

Read relevant design documents from design/gdd/ if the task relates to a documented feature or system. Read them by section: find the headings you need with the Grep tool (pattern ^#, content mode) and Read those ranges with offset and limit.

Phase 2: Scan Affected Code

Identify files and modules that would need to change: