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.

system/emacs-ai.org

@@ -102,4 +102,19 @@
                                  :chat-model "sskostyaev/openchat:8k-rag"
                                  :embedding-model "nomic-embed-text"))
     )
+#+end_src
+
+** Org-agent (Local Foundry)
+
+#+begin_src elisp :tangle yes
+  (use-package org-agent
+    :straight nil
+    :load-path "~/.local/share/org-agent/src"
+    :commands (org-agent-connect org-agent-disconnect)
+    :init
+    (setq org-agent-host "127.0.0.1")
+    (setq org-agent-port 9105)
+    (setq org-agent-executable-path "~/.local/share/org-agent/bin/org-agent-server")
+    :config
+    (message "org-agent: Local brain configured at %s" org-agent-executable-path))
 #+end_src