feat: implemented verified Shell Actuator skill

- Enabled execution of whitelisted shell commands via OACP.
- Added neuro-cognitive analysis for command results.
- Fixed authentication fallback for background daemon.
- Finalized Emacs UI robustness for all message types.

package-lock.json

@@ -0,0 +1,6 @@
+{
+  "name": "memex",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {}
+}