fix: establish runtime identity for data directory gates

Use the packaged app version (not Electron's dev-mode 0.0.0) across all
compatibility checks. Make DatabaseManager require a RuntimeIdentity so
every gate write carries a verified version and kind.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "chatlab-cli",
-  "version": "0.0.0",
+  "version": "0.25.1",
   "description": "ChatLab CLI & Service - Chat history analysis tool",
   "type": "module",
   "bin": {