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.

prove-shell.el

@@ -0,0 +1,38 @@
+(setq load-path (cons "./projects/org-agent/src" load-path))
+(require 'org-agent)
+
+(defun prove-shell-works ()
+  (message "SIMulation: Connecting to agent...")
+  (setq org-agent-executable-path nil)
+  (org-agent-connect)
+  
+  (let ((retries 0))
+    (while (and (not org-agent--network-process) (< retries 10))
+      (sleep-for 0.5)
+      (setq retries (1+ retries))))
+  
+  (message "SIMulation: Connection established. Sending message 'run date'...")
+  
+  (with-current-buffer (get-buffer-create "*org-agent-chat*")
+    (erase-buffer)
+    (insert "* Welcome\n\nPlease run the 'date' command for me.\n")
+    (org-agent-chat-send))
+  
+  (message "SIMulation: Message sent. Waiting for response (timeout 60s)...")
+  
+  (let ((retries 0)
+        (found nil))
+    (while (and (not found) (< retries 120))
+      (sleep-for 0.5)
+      (accept-process-output org-agent--network-process 0.1)
+      (with-current-buffer "*org-agent-chat*"
+        (when (and (not (string-match-p "Thinking..." (buffer-string)))
+                   (> (buffer-size) 50))
+          (setq found t)
+          (message "SIMulation: RESPONSE RECEIVED!\n\n--- BUFFER START ---\n%s\n--- BUFFER END ---" (buffer-string))))
+      (setq retries (1+ retries)))
+  
+    (if (not found)
+        (error "SIMulation: Timeout waiting for agent response. Check daemon logs."))))
+
+(prove-shell-works)