CHORE: Prepare for lisp-repair implementation

src/self-fix.lisp

@@ -0,0 +1,54 @@
+(in-package :org-agent)
+
+(defun self-fix-apply (action context)
+  "Applies a surgical code fix and reloads the modified skill."
+  (declare (ignore context))
+  (let* ((payload (getf action :payload))
+         (target-file (getf payload :file))
+         (old-code (getf payload :old))
+         (new-code (getf payload :new))
+         (is-skill (and (stringp (namestring target-file))
+                        (search "skills/" (namestring target-file)))))
+    
+    (snapshot-object-store)
+    (kernel-log "SELF-FIX - Attempting surgical fix on ~a..." target-file)
+    
+    (handler-case
+        (if (uiop:file-exists-p target-file)
+            (let ((content (uiop:read-file-string target-file)))
+              (if (search old-code content)
+                  (let ((new-content (cl-ppcre:regex-replace-all (cl-ppcre:quote-meta-chars old-code) content new-code)))
+                    (with-open-file (out target-file :direction :output :if-exists :supersede)
+                      (write-string new-content out))
+                    
+                    (if is-skill
+                        (progn
+                          (kernel-log "SELF-FIX - Reloading modified skill ~a..." target-file)
+                          (if (load-skill-from-org target-file)
+                              (progn
+                                (kernel-log "SELF-FIX SUCCESS - Applied and reloaded.")
+                                t)
+                              (progn
+                                (kernel-log "SELF-FIX FAILURE - Skill reload failed. Rolling back.")
+                                (with-open-file (out target-file :direction :output :if-exists :supersede)
+                                  (write-string content out))
+                                (rollback-object-store 0)
+                                nil)))
+                        (progn
+                          (kernel-log "SELF-FIX SUCCESS - Applied fix to file.")
+                          t)))
+                  (progn (kernel-log "SELF-FIX FAILURE - Pattern not found.") nil)))
+            (progn (kernel-log "SELF-FIX FAILURE - File not found.") nil))
+      (error (c)
+        (kernel-log "SELF-FIX CRASH - ~a. Rolling back." c)
+        (rollback-object-store 0)
+        nil))))
+
+(def-cognitive-tool :repair-file "Applies a surgical code modification to a file and reloads the skill if applicable."
+  :parameters ((:file :type :string :description "Path to the target file")
+               (:old :type :string :description "The literal code block to find")
+               (:new :type :string :description "The literal code block to replace it with"))
+  :body (lambda (args)
+          (if (self-fix-apply (list :payload args) nil)
+              "REPAIR SUCCESSFUL."
+              "REPAIR FAILED.")))