feat: stabilized org-agent two-way communication and UX

- Fixed kernel-to-Emacs communication bridge.
- Resolved boot-time crashes in multiple skeletal skills.
- Refined Chat skill prompt to eliminate conversational filler.
- Updated Emacs UI to automatically clean up status markers.
- Synchronized all fixes via Literate Org-mode documents.
- Verified physical two-way interaction via simulation.

test-chat-wait.lisp

@@ -0,0 +1,24 @@
+(require :usocket)
+
+(defun test-chat-and-wait ()
+  (let* ((socket (usocket:socket-connect "127.0.0.1" 9105))
+         (stream (usocket:socket-stream socket))
+         (msg "(:type :event :payload (:sensor :chat-message :text \"ping\"))")
+         (len (length msg))
+         (framed (format nil "~6,'0x~a" len msg)))
+    (format t "Sending: ~a~%" framed)
+    (write-string framed stream)
+    (finish-output stream)
+    (handler-case
+        (loop
+          (let* ((len-prefix (make-string 6)))
+            (read-sequence len-prefix stream)
+            (let* ((msg-len (parse-integer len-prefix :radix 16))
+                   (payload (make-string msg-len)))
+              (read-sequence payload stream)
+              (format t "AGENT RESPONSE: ~a~%" payload)
+              (when (search ":insert-at-end" payload) (return)))))
+      (error (c) (format t "ERROR: ~a~%" c)))
+    (usocket:socket-close socket)))
+
+(test-chat-and-wait)