feat: add Sentinel policy shell guard

docs: add Agent Smith hero GIF to README

docs: split README into crash course + dedicated call for testers

feat: Agent Smith v2 - Capability-based security + Secret vault

docs: lead with uncensored-LLM pitch, expand For Uncensored LLMs section

docs: state that docs and code are in English for contributors

Attack database, 4-layer detector, CLI, OpenClaw plugin

Update README.md

docs: Agent Smith style README

Add verify scripts, env example, docs

Merge remote main (LICENSE, .gitignore)

Initial commit

feat: Agent Smith v0.1 – core detector, CLI, 20 attacks + 20 legitimate corpus, 43 tests