254 lines
13 KiB
Common Lisp
254 lines
13 KiB
Common Lisp
(in-package :passepartout)
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(defvar *probabilistic-backends* (make-hash-table :test 'equal)
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"Maps provider keyword → handler function (prompt system-prompt &key model).")
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(defun register-probabilistic-backend (name fn)
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"Register FN as the handler for provider NAME."
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(setf (gethash name *probabilistic-backends*) fn))
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(defvar *backend-registry* (make-hash-table :test 'equal))
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(defvar *provider-cascade* nil)
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(defvar *model-selector* nil)
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(defvar *consensus-enabled* nil)
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(defun backend-register (name fn)
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(setf (gethash name *backend-registry*) fn))
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(defun backend-cascade-call (prompt &key
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(system-prompt "You are the Probabilistic engine.")
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(cascade nil)
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(context nil))
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(let ((backends (or cascade *provider-cascade*))
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(result nil))
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(dolist (backend backends (or result
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(list :type :LOG
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:payload (list :text "Neural Cascade Failure: All providers exhausted."))))
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(let ((backend-fn (or (gethash backend *backend-registry*)
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(gethash backend *probabilistic-backends*))))
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(when backend-fn
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(log-message "PROBABILISTIC: Attempting backend ~a..." backend)
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(let* ((model (and *model-selector*
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(funcall *model-selector* backend context)))
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(skip (eq model :skip))
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(r (unless skip
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(if (and model (not skip))
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(funcall backend-fn prompt system-prompt :model model)
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(funcall backend-fn prompt system-prompt)))))
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(when skip
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(log-message "PROBABILISTIC: Skipping ~a (filtered)" backend))
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(cond ((and (listp r) (eq (getf r :status) :success))
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(setf result (getf r :content))
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(return result))
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((stringp r)
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(setf result r)
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(return result))
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(t
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(log-message "PROBABILISTIC: Backend ~a failed: ~a"
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backend (getf r :message))))))))))(defun markdown-strip (text)
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(if (and text (stringp text))
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(let ((cleaned text))
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(setf cleaned (cl-ppcre:regex-replace-all "^```[a-z]*\\n" cleaned ""))
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(setf cleaned (cl-ppcre:regex-replace-all "\\n```$" cleaned ""))
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(setf cleaned (cl-ppcre:regex-replace-all "```" cleaned ""))
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(string-trim '(#\Space #\Newline #\Tab) cleaned))
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text))
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(defun plist-keywords-normalize (plist)
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(when (listp plist)
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(loop for (k v) on plist by #'cddr
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collect (if (and (symbolp k) (not (keywordp k)))
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(intern (string k) :keyword)
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k)
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collect v)))
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(defun think (context)
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(let* ((active-skill (find-triggered-skill context))
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(tool-belt (generate-tool-belt-prompt))
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(global-context (context-assemble-global-awareness))
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(system-logs (context-get-system-logs))
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(assistant-name (or (uiop:getenv "MEMEX_ASSISTANT") "Agent"))
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(rejection-trace (proto-get (proto-get context :payload) :rejection-trace))
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(prompt-generator (when active-skill (skill-probabilistic-prompt active-skill)))
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(raw-prompt (if prompt-generator
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(funcall prompt-generator context)
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(let ((p (proto-get (proto-get context :payload) :text)))
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(if (and p (stringp p)) p "Maintain metabolic stasis."))))
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(reflection-feedback (if rejection-trace
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(format nil "~%~%PREVIOUS PROPOSAL REJECTED: ~a" rejection-trace)
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""))
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(skill-augments (let ((augments ""))
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(maphash (lambda (name skill)
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(declare (ignore name))
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(let ((aug-fn (skill-system-prompt-augment skill)))
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(when aug-fn
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(let ((aug-text (ignore-errors (funcall aug-fn context))))
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(when (and aug-text (stringp aug-text) (> (length aug-text) 0))
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(setf augments (concatenate 'string augments aug-text (string #\Newline))))))))
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*skill-registry*)
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(when (> (length augments) 0) augments)))
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(system-prompt (format nil "IDENTITY: ~a~a~%~%TOOLS:~%~a~%~%CONTEXT:~%~a~%~%LOGS:~%~a~%~a"
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assistant-name reflection-feedback tool-belt global-context system-logs
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(or skill-augments ""))))
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(let* ((thought (backend-cascade-call raw-prompt :system-prompt system-prompt :context context))
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(cleaned (if (and (listp thought) (getf thought :type))
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(format nil "~a" (getf (getf thought :payload) :text))
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(markdown-strip thought))))
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(if (and cleaned (stringp cleaned) (> (length cleaned) 0) (or (char= (char cleaned 0) #\() (char= (char cleaned 0) #\[)))
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(handler-case
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(let ((parsed (read-from-string cleaned)))
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(if (listp parsed)
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(let ((normalized (plist-keywords-normalize parsed)))
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;; Ensure explanation is present in the payload for policy gate
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(let ((payload (proto-get normalized :payload)))
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(if (and payload (proto-get payload :explanation))
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normalized
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(let ((new-payload (list* :EXPLANATION "Generated by the Probabilistic engine."
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(if (listp payload) payload nil))))
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(list* :PAYLOAD new-payload
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(loop for (k v) on normalized by #'cddr
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unless (eq k :PAYLOAD)
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collect k collect v))))))
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(list :TYPE :REQUEST :PAYLOAD (list :ACTION :MESSAGE :TEXT cleaned :EXPLANATION "Generated by the Probabilistic engine."))))
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(error () (list :TYPE :REQUEST :PAYLOAD (list :ACTION :MESSAGE :TEXT cleaned :EXPLANATION "Generated by the Probabilistic engine."))))
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(list :TYPE :REQUEST :PAYLOAD (list :ACTION :MESSAGE :TEXT (if (stringp cleaned) cleaned "No response") :EXPLANATION "Generated by the Probabilistic engine."))))))
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(defun cognitive-verify (proposed-action context)
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"Runs all registered deterministic gates against the proposed action,
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sorted by priority (highest first). Returns a rejection plist or the action."
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(let ((current-action (copy-tree proposed-action))
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(approval-needed nil)
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(approval-action nil)
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(gates nil))
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;; Collect gates sorted by priority (highest first)
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(maphash (lambda (name skill)
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(declare (ignore name))
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(when (skill-deterministic-fn skill)
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(push (cons (skill-priority skill) (skill-deterministic-fn skill)) gates)))
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*skill-registry*)
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(setf gates (sort gates #'> :key #'car))
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(dolist (gate-pair gates)
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(let ((result (funcall (cdr gate-pair) current-action context)))
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(cond
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((eq (getf result :level) :approval-required)
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(setf approval-needed t
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approval-action (getf (getf result :payload) :action)))
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((member (getf result :type) '(:LOG :EVENT))
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(return-from cognitive-verify result))
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((and (listp result) result)
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(setf current-action result)))))
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(if approval-needed
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(list :type :EVENT :level :approval-required
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:payload (list :sensor :approval-required
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:action approval-action))
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current-action)))
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(defun loop-gate-reason (signal)
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(let* ((type (proto-get signal :type))
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(payload (proto-get signal :payload))
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(sensor (proto-get payload :sensor)))
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(unless (and (eq type :EVENT) (member sensor '(:user-input :chat-message)))
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(return-from loop-gate-reason signal))
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(let ((retries 3)
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(current-signal (copy-tree signal))
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(last-rejection nil))
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(loop
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(when (<= retries 0)
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(setf (getf signal :approved-action) last-rejection)
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(setf (getf signal :status) :reasoned)
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(return signal))
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(when last-rejection
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(setf (getf (getf current-signal :payload) :rejection-trace) last-rejection))
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(let ((candidate (think current-signal)))
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(if (and candidate (listp candidate))
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(let ((verified (cognitive-verify candidate current-signal)))
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;; Approval-required is not a rejection — pass to act for Flight Plan
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(if (eq (getf verified :level) :approval-required)
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(progn
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(setf (getf signal :approved-action) verified)
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(setf (getf signal :status) :requires-approval)
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(return signal))
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;; Hard rejection: retry with feedback
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(if (member (getf verified :type) '(:LOG :EVENT))
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(progn (decf retries) (setf last-rejection verified))
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(progn
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(setf (getf signal :approved-action) verified)
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(setf (getf signal :status) :reasoned)
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(return signal)))))
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(progn
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(setf (getf signal :approved-action) nil)
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(setf (getf signal :status) :reasoned)
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(return signal))))))))
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(defun reason-gate (signal)
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(loop-gate-reason signal))
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(eval-when (:compile-toplevel :load-toplevel :execute)
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(ql:quickload :fiveam :silent t))
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(defpackage :passepartout-pipeline-reason-tests
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(:use :cl :fiveam :passepartout)
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(:export #:pipeline-reason-suite))
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(in-package :passepartout-pipeline-reason-tests)
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(def-suite pipeline-reason-suite :description "Test suite for Reason pipeline")
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(in-suite pipeline-reason-suite)
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(test test-decide-gate-safety
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"Contract 1: cognitive-verify blocks unsafe actions with :LOG rejection."
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(clrhash passepartout::*skill-registry*)
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(passepartout::defskill :mock-safety
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:priority 50
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:trigger (lambda (ctx) (declare (ignore ctx)) t)
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:deterministic (lambda (action ctx)
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(declare (ignore ctx))
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(if (search "rm -rf" (format nil "~s" action))
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(list :type :LOG :payload (list :text "Rejected"))
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action)))
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(let* ((candidate '(:type :REQUEST :payload (:action :shell :cmd "rm -rf /")))
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(signal '(:type :EVENT :payload (:sensor :user-input)))
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(result (cognitive-verify candidate signal)))
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(is (eq :LOG (getf result :type)))))
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(test test-cognitive-verify-pass-through
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"Contract 1: safe actions pass through cognitive-verify unchanged."
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(clrhash passepartout::*skill-registry*)
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(passepartout::defskill :mock-passthrough
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:priority 50
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:trigger (lambda (ctx) (declare (ignore ctx)) t)
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:deterministic (lambda (action ctx)
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(declare (ignore ctx))
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action))
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(let* ((candidate '(:type :REQUEST :payload (:action :shell :cmd "echo hello")))
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(signal '(:type :EVENT :payload (:sensor :user-input)))
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(result (cognitive-verify candidate signal)))
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(is (equal candidate result))))
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(test test-cognitive-verify-empty-registry
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"Contract 1: with no gates registered, action passes through unchanged."
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(clrhash passepartout::*skill-registry*)
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(let* ((candidate '(:type :REQUEST :payload (:action :shell :cmd "ls")))
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(signal '(:type :EVENT :payload (:sensor :user-input)))
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(result (cognitive-verify candidate signal)))
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(is (equal candidate result))))
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(test test-cognitive-verify-approval-required
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"Contract 1: gate returning :approval-required produces an approval event."
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(clrhash passepartout::*skill-registry*)
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(passepartout::defskill :mock-approval
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:priority 50
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:trigger (lambda (ctx) (declare (ignore ctx)) t)
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:deterministic (lambda (action ctx)
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(declare (ignore ctx))
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(list :type :EVENT :level :approval-required
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:payload (list :action action))))
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(let* ((candidate '(:type :REQUEST :payload (:action :shell :cmd "sudo reboot")))
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(signal '(:type :EVENT :payload (:sensor :user-input)))
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(result (cognitive-verify candidate signal)))
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(is (eq :approval-required (getf result :level)))
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(is (eq :EVENT (getf result :type)))))
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