chore: bump version to 0.5.0

package.json

@@ -1,6 +1,6 @@
 {
   "name": "inkos",
-  "version": "0.4.9",
+  "version": "0.5.0",
   "private": true,
   "description": "Multi-agent novel production system",
   "license": "MIT",

packages/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@actalk/inkos",
-  "version": "0.4.9",
+  "version": "0.5.0",
   "description": "InkOS CLI — multi-agent novel production system",
   "type": "module",
   "bin": {

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@actalk/inkos-core",
-  "version": "0.4.9",
+  "version": "0.5.0",
   "description": "InkOS core: models, agents, pipeline, LLM integration",
   "type": "module",
   "main": "dist/index.js",