wiki refresh for v0.4.x: Beacon protocol + Settings sections + Home links - Beacon: replace v0.2-era keystroke forwarding description with v0.3+ file-based IPC. Add Smart Approval section, three-layer decision, operation modes (Normal / Unattended). Mark click-to-collapse as v0.4.1. - Settings: add Channels / Risk Engine / Hooks sections. Note auto_allow_low_risk → unattended_mode migration. - Home: fix broken icon URL (now under docs/assets/). Update Beacon link description to reflect v0.4 enhancements. Link Settings with channels/risk engine.
Add full wiki: Getting Started, Supported Tools, Continue V2, Blackboard, History Branching, Settings, FAQ