docs: rewrite README + CLAUDE.md for v2

fix: setup.py for old pip, update README with v2 quick start

feat: COCO→YOLO export, 5-stage pipeline, Falcon MLX server

feat: full pipeline end-to-end, OpenRouter labeling, verify stage

feat: web UI label page, Falcon Perception MLX, API server

feat: v2 provider registry, Expert Sniper integration, model benchmark

feat(identify): open-set image retrieval subpackage

feat(web): live video tracker — iou-tracker.ts

feat(web): live video tracker — route.ts

feat(web): live video tracker — page.tsx

fix(runpod): switch base image to cu1290-torch291

sync: data_label_factory/runpod/requirements-pod.txt

sync: data_label_factory/runpod/cli.py

sync: data_label_factory/runpod/Dockerfile

sync: CLAUDE.md

sync: README.md

feat: add data_label_factory.runpod — optional GPU path

docs: add CLAUDE.md project memory file for Claude Code users

chore: remove docs/x-launch-thread.md

chore: remove docs/canvas-demo.gif

docs: HF model card frontmatter + fix install instructions

Initial release: data-label-factory v0.1.0

initial commit