Fix emacs-edit tests: export functions and use qualified names

- Add emacs-edit-* function exports to package.lisp
- Update tests to use opencortex: prefix for function calls
- All 82 tests now passing

library/package.lisp

@@ -116,7 +116,12 @@
     #:get-tool-permission
     #:set-tool-permission
     #:check-tool-permission-gate
-    
+
+    ;; --- Emacs Edit Skill ---
+    #:emacs-edit-generate-id
+    #:emacs-edit-id-format
+    #:emacs-edit-set-property
+    #:emacs-edit-set-todo
     
     ;; --- Security Vault ---
    #:vault-get-secret