188 lines
7.4 KiB
Org Mode
188 lines
7.4 KiB
Org Mode
#+TITLE: Stage 3: Act (act.lisp)
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#+AUTHOR: Agent
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#+FILETAGS: :harness:act:
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#+STARTUP: content
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#+PROPERTY: header-args:lisp :tangle act.lisp
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* Overview
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The Act stage is where cognition meets reality. After the Probabilistic engine proposes and the Deterministic engine verifies, Act executes the approved action.
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* Implementation
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** Package Context
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#+begin_src lisp
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(in-package :opencortex)
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#+end_src
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** Actuator Configuration
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#+begin_src lisp
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(defvar *default-actuator* :cli
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"The actuator used when no explicit target is specified.")
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(defvar *silent-actuators* '(:cli :system-message :emacs)
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"List of actuators that don't generate tool-output feedback.")
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(defun initialize-actuators ()
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"Register core actuators and load configuration."
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(let ((def (uiop:getenv "DEFAULT_ACTUATOR"))
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(silent (uiop:getenv "SILENT_ACTUATORS")))
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(when def
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(setf *default-actuator* (intern (string-upcase def) :keyword)))
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(when silent
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(setf *silent-actuators*
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(mapcar (lambda (s) (intern (string-upcase (string-trim '(#\Space) s)) :keyword))
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(uiop:split-string silent :separator '(#\,))))))
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(register-actuator :system #'execute-system-action)
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(register-actuator :tool #'execute-tool-action)
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(register-actuator :tui (lambda (action context)
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(declare (ignore context))
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(let* ((meta (getf action :meta))
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(stream (getf meta :reply-stream)))
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(when (and stream (open-stream-p stream))
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(format stream "~a" (frame-message action))
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(finish-output stream))))))
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#+end_src
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** Action Dispatch (dispatch-action)
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#+begin_src lisp
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(defun dispatch-action (action context)
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"Route an approved action to its registered actuator."
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(let ((payload (proto-get action :payload)))
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(when (eq (proto-get payload :sensor) :heartbeat)
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(return-from dispatch-action nil))
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(when (and action (listp action))
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(let* ((meta (proto-get context :meta))
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(source (proto-get meta :source))
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(raw-target (or (proto-get action :target) source *default-actuator*))
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(target (intern (string-upcase (string raw-target)) :keyword))
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(actuator-fn (gethash target *actuator-registry*)))
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(when (and meta (null (getf action :meta)))
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(setf (getf action :meta) meta))
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(if actuator-fn
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(funcall actuator-fn action context)
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(harness-log "ACT ERROR: No actuator registered for '~s'" target))))))
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#+end_src
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** System Actuator (execute-system-action)
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#+begin_src lisp
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(defun execute-system-action (action context)
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"Execute internal harness commands."
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(declare (ignore context))
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(let* ((payload (getf action :payload))
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(cmd (getf payload :action)))
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(case cmd
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(:eval
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(eval (read-from-string (getf payload :code))))
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(:message
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(harness-log "ACT [System]: ~a" (getf payload :text)))
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(t
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(harness-log "ACT ERROR [System]: Unknown command '~s'" cmd)))))
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#+end_src
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** Tool Actuator (execute-tool-action)
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#+begin_src lisp
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(defun execute-tool-action (action context)
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"Execute a registered cognitive tool."
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(let* ((payload (getf action :payload))
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(tool-name (getf payload :tool))
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(tool-args (getf payload :args))
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(depth (getf context :depth 0))
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(meta (getf context :meta))
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(source (getf meta :source))
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(tool (gethash (string-downcase (string tool-name)) *cognitive-tools*)))
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(if tool
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(handler-case
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(let* ((clean-args (if (and (listp tool-args) (listp (car tool-args))) (car tool-args) tool-args))
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(result (funcall (cognitive-tool-body tool) clean-args)))
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(when source
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(dispatch-action (list :TYPE :REQUEST :TARGET source
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:PAYLOAD (list :ACTION :MESSAGE :TEXT (format-tool-result tool-name result)))
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context))
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(list :TYPE :EVENT :DEPTH (1+ depth) :META meta
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:PAYLOAD (list :SENSOR :tool-output :RESULT result :TOOL tool-name)))
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(error (c)
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(list :TYPE :EVENT :DEPTH (1+ depth) :META meta
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:PAYLOAD (list :SENSOR :tool-error :TOOL tool-name :MESSAGE (format nil "~a" c)))))
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(list :TYPE :EVENT :DEPTH (1+ depth) :META meta
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:PAYLOAD (list :SENSOR :tool-error :MESSAGE (format nil "Tool '~a' not found" tool-name))))))
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#+end_src
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** Tool Result Formatting (format-tool-result)
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#+begin_src lisp
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(defun format-tool-result (tool-name result)
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"Format a tool result for display."
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(if (listp result)
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(let ((status (getf result :status))
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(content (getf result :content))
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(msg (getf result :message)))
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(cond
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((and (eq status :success) content) (format nil "~a" content))
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((and (eq status :error) msg) (format nil "ERROR [~a]: ~a" tool-name msg))
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(t (format nil "TOOL [~a] RESULT: ~s" tool-name result))))
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(format nil "TOOL [~a] RESULT: ~a" tool-name result)))
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#+end_src
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** Act Gate (Stage 3)
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#+begin_src lisp
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(defun act-gate (signal)
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"Final stage of the metabolic pipeline: Actuation."
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(let* ((approved (getf signal :approved-action))
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(type (getf signal :type))
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(meta (getf signal :meta))
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(source (getf meta :source))
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(feedback nil))
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(when approved
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(let* ((original-type (getf approved :type))
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(verified (deterministic-verify approved signal)))
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(if (and (listp verified) (member (getf verified :type) '(:LOG :EVENT)) (not (member original-type '(:LOG :EVENT))))
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(progn
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(harness-log "ACT BLOCKED: Action failed last-mile deterministic check.")
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(setf (getf signal :approved-action) nil)
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(setf feedback verified))
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(progn
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(setf (getf signal :approved-action) verified)
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(setf approved verified)))))
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(case type
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(:REQUEST (dispatch-action signal signal))
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(:LOG (dispatch-action signal signal))
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(:EVENT
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(if approved
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(let* ((target (getf approved :target))
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(result (dispatch-action approved signal)))
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(cond
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((and (listp result) (member (getf result :type) '(:EVENT :LOG)))
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(setf feedback result))
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((and result (not (member target *silent-actuators*)))
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(setf feedback (list :type :EVENT :depth (1+ (getf signal :depth 0)) :meta meta
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:payload (list :sensor :tool-output :result result :tool approved))))))
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(when source (dispatch-action signal signal)))))
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(setf (getf signal :status) :acted)
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feedback))
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#+end_src
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* Test Suite
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#+begin_src lisp :tangle ../tests/pipeline-act-tests.lisp
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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 :opencortex-pipeline-act-tests
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(:use :cl :fiveam :opencortex)
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(:export #:pipeline-act-suite))
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(in-package :opencortex-pipeline-act-tests)
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(def-suite pipeline-act-suite :description "Test suite for Act pipeline")
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(in-suite pipeline-act-suite)
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(test test-act-gate-basic
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(clrhash opencortex::*skills-registry*)
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(let* ((signal (list :type :EVENT :status nil :depth 0 :approved-action '(:target :cli :payload (:text "Hello"))))
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(result (act-gate signal)))
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(is (eq :acted (getf signal :status)))
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(is (null result))))
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#+end_src
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