feat(ipuaro): add session management (v0.10.0)

- Add ISessionStorage interface and RedisSessionStorage implementation
- Add ContextManager for token budget and compression
- Add StartSession, HandleMessage, UndoChange use cases
- Update CHANGELOG and TODO documentation
- 88 new tests (1174 total), 97.73% coverage

packages/ipuaro/src/domain/services/index.ts

@@ -1,5 +1,6 @@
 // Domain Service Interfaces (Ports)
 export * from "./IStorage.js"
+export * from "./ISessionStorage.js"
 export * from "./ILLMClient.js"
 export * from "./ITool.js"
 export * from "./IIndexer.js"