fix(config): migrate configuration loading to smartconfig and update build tooling compatibility

readme.hints.md

@@ -23,7 +23,7 @@ tsdocker is a comprehensive Docker development and building tool. It provides:
 
 ## Configuration
 
-Configure in `package.json` under `@git.zone/tsdocker`:
+Configure in `.smartconfig.json` under `@git.zone/tsdocker`:
 
 ```json
 {
@@ -117,10 +117,16 @@ The `config.push` field is now a no-op (kept for backward compat).
 
 ## Build Status
 
-- Build: ✅ Passes
+- Build: ✅ Passes (TypeScript 6 via tsbuild 4.4.0)
 
-## Previous Upgrades (2025-11-22)
+## Previous Upgrades
 
+### 2026-03-24
+- Upgraded `@git.zone/tsbuild` from 4.3.0 to 4.4.0 (TypeScript 6)
+- Removed deprecated `baseUrl`/`paths` from tsconfig.json
+- Added pnpm override `lru-cache: ">=11.0.0"` to fix TS6 type incompatibility with lru-cache@10.x
+
+### 2025-11-22
 - Updated all @git.zone/_ dependencies to @git.zone/_ scope
 - Updated all @pushrocks/_ dependencies to @push.rocks/_ scope
 - Migrated from smartfile v8 to smartfs v1.1.0