feat: complete HomeAgent architecture v2

- IO abstraction layer with OutputChannel routing and capability validation
- Three-layer memory (Context-Document-Graph) with TF-IDF relevance pruning
- OneBot V11 QQ protocol plugin with Reverse WebSocket client
- Plugin system with hot-reload (SKILL.md + native factories)
- Knowledge system with TF-IDF vector indexing
- Personality system (personal.md)
- Text memory (JSONL with rotation)
- Change tracker (overlayfs) with rollback
- Lua adapter VM
- Design document (DESIGN.md)

Module: gitcode.com/JianFeeeee/HomeAgent

go.mod

@@ -0,0 +1,14 @@
+module gitcode.com/JianFeeeee/HomeAgent
+
+go 1.19
+
+require (
+	github.com/mattn/go-sqlite3 v1.14.22
+	gopkg.in/yaml.v3 v3.0.1
+)
+
+require (
+	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/yanyiwu/gojieba v1.4.7 // indirect
+	github.com/yuin/gopher-lua v1.1.2 // indirect
+)