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.

projects/org-skill-emacs-bridge/src/bridge-logic.lisp

@@ -0,0 +1,19 @@
+(defun handle-emacs-client (stream)
+  ;; Logic for parsing length-prefixed OACP messages
+  (format nil "Handling client on stream: ~a" stream))
+
+(defun stream-to-emacs (stream action-plist)
+  "Streams a chunk of data to a specific Emacs client over OACP using framing."
+  (let* ((msg (prin1-to-string action-plist))
+         (len (length msg))
+         (framed (format nil "~6,'0x~a" len msg)))
+    (write-string framed stream)
+    (finish-output stream)))
+
+(defun broadcast-to-emacs (action-plist context)
+  "Sends a framed message back to the client that sent the stimulus."
+  (let ((stream (getf context :reply-stream)))
+    (if stream
+        (handler-case (stream-to-emacs stream action-plist)
+          (error (c) (kernel-log "BRIDGE ERROR: Failed to write to Emacs: ~a" c)))
+        (kernel-log "BRIDGE ERROR: No reply-stream in context."))))