Update README: add graphify extract to command reference, fix CI badge branch

README.md

@@ -8,7 +8,7 @@
 
 <p align="center">
   <a href="https://safishamsi.gumroad.com/l/qetvlo"><img src="https://img.shields.io/badge/Book-The%20Memory%20Layer-2ea44f?style=flat&logo=gitbook&logoColor=white" alt="The Memory Layer"/></a>
-  <a href="https://github.com/safishamsi/graphify/actions/workflows/ci.yml"><img src="https://github.com/safishamsi/graphify/actions/workflows/ci.yml/badge.svg?branch=v4" alt="CI"/></a>
+  <a href="https://github.com/safishamsi/graphify/actions/workflows/ci.yml"><img src="https://github.com/safishamsi/graphify/actions/workflows/ci.yml/badge.svg?branch=v7" alt="CI"/></a>
   <a href="https://pypi.org/project/graphifyy/"><img src="https://img.shields.io/pypi/v/graphifyy" alt="PyPI"/></a>
   <a href="https://pepy.tech/project/graphifyy"><img src="https://static.pepy.tech/badge/graphifyy" alt="Downloads"/></a>
   <a href="https://github.com/sponsors/safishamsi"><img src="https://img.shields.io/badge/sponsor-safishamsi-ea4aaa?logo=github-sponsors" alt="Sponsor"/></a>
@@ -273,6 +273,11 @@ graphify hermes install / uninstall
 graphify kiro install / uninstall
 graphify antigravity install / uninstall
 
+graphify extract ./docs                        # headless LLM extraction for CI (no IDE needed)
+graphify extract ./docs --backend claude       # explicit backend (auto-detected from env by default)
+graphify extract ./docs --no-cluster           # raw extraction only, skip clustering
+graphify extract ./docs --dedup-llm            # LLM tiebreaker for ambiguous entity pairs
+
 graphify clone https://github.com/karpathy/nanoGPT
 graphify merge-graphs a.json b.json --out merged.json
 graphify watch ./src