# Implementation Plan: Refactor Context Aggregation Pipeline\n\n## Phase 1: Execution\n- [x] Task: Remove unused build_tier1_context and build_tier2_context [c4a738c]\n- [x] Task: Refactor build_tier3_context to use standard formatting [bcb0216]\n- [x] Task: Consolidate build_markdown and build_markdown_from_items [76f4e1b]\n- [x] Task: Run full test suite\n- [ ] Conductor - User Manual Verification (Protocol in workflow.md)\n