adding refinement pattern

update

adding skill agent

docs: add LinkedIn and X profile badges to author sections across all agents

docs: replace ASCII diagrams with Nano Banana generated images

docs: restructure featured agents to vertical stack layout

docs: add quick link to example reports section

docs: update example report links to use raw.githack CDN with target blank

docs: move use case poster before key features section

docs: add Makefile, example reports, and streamlined setup

feat: migrate data fetchers to yfinance + Google Search hybrid

docs: restructure README and add batch chart generation

feat: add Phase 2 - HITL planning with user approval and refinement

feat: add Phase 1 - boundary validation, multi-market support, callback routing

feat: add PDF export for equity research reports