FEAT: Stabilize Unified Envelope Architecture & TUI UX

- Fixed background boot crash via --non-interactive flag.
- Implemented robust protocol sanitization (stripped raw streams).
- Refined TUI formatting to display human-readable tool results.
- Fixed opencortex.sh variable shadowing and connection logic.
- Resolved :target field schema validation errors.

mock_daemon.lisp

@@ -0,0 +1,28 @@
+(load (merge-pathnames "quicklisp/setup.lisp" (user-homedir-pathname)))
+(push (truename "./") asdf:*central-registry*)
+(ql:quickload '(:usocket :bordeaux-threads :opencortex))
+
+(defun handle-client (stream)
+  (handler-case
+      (progn
+        (format stream "~a" (opencortex:frame-message (opencortex:make-hello-message "0.1.0")))
+        (finish-output stream)
+        (loop
+          (let ((msg (opencortex:read-framed-message stream)))
+            (when (or (eq msg :eof) (eq msg :error)) (return))
+            (let ((text (getf (getf msg :payload) :text)))
+              (format t "MOCK: Received ~s~%" text)
+              (let ((resp (list :TYPE :REQUEST :PAYLOAD (list :ACTION :MESSAGE :TEXT (format nil "ECHO: ~a" text)))))
+                (format stream "~a" (opencortex:frame-message resp))
+                (finish-output stream))))))
+    (error (c) (format t "MOCK ERROR: ~a~%" c))))
+
+(let ((socket (usocket:socket-listen "127.0.0.1" 9105 :reuse-address t)))
+  (format t "MOCK DAEMON LIVE ON 9105~%")
+  (unwind-protect
+       (loop (let ((client (usocket:socket-accept socket)))
+               (bt:make-thread (lambda () 
+                                 (unwind-protect 
+                                      (handle-client (usocket:socket-stream client))
+                                   (usocket:socket-close client))))))
+    (usocket:socket-close socket)))