chore(release): v0.2.3 — package.json + lock 버전 bump

v0.2.3 cut 7/7 완료 (PR #13/#14/#15/#16/#17/#18/#19) 후 binary 빌드.

빌드 결과: dist/Inkling Setup 0.2.3.exe (103.8MB, NSIS x64)
gates: typecheck 0 / 단위 403 / e2e 1

다음: dogfood 머신 핸드오프 → ≥1주 soak → telemetry export → v0.2.4 brainstorm

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "inkling",
-  "version": "0.2.0",
+  "version": "0.2.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "inkling",
-      "version": "0.2.0",
+      "version": "0.2.3",
       "dependencies": {
         "better-sqlite3": "12.9.0",
         "electron-log": "5.2.0",