Amr Gharbeia
a3d07209b6
Replace Ollama-specific backend with unified org-skill-unified-llm-backend that speaks OpenAI API. Works with: - Local: Ollama (default), vLLM, LM Studio, llama.cpp - Cloud: OpenRouter, OpenAI, Anthropic, Groq, Gemini Providers auto-registered from env vars. No separate skills per provider. Cascade order configured via PROVIDER_CASCADE env var. Also fix .env loading path in loop (was .local/share, now .config matches wizard).
199 lines
7.3 KiB
Org Mode
199 lines
7.3 KiB
Org Mode
#+TITLE: The Metabolic Loop (loop.lisp)
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#+AUTHOR: Agent
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#+FILETAGS: :harness:loop:
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#+STARTUP: content
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#+PROPERTY: header-args:lisp :tangle loop.lisp
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* Overview
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The Metabolic Loop is the fundamental rhythm of OpenCortex: the continuous processing of signals from perception through cognition to 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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** Global Variables (Thread-Safe)
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#+begin_src lisp
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(defvar *interrupt-flag* nil
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"Atomic flag set by signal handlers to trigger graceful shutdown.")
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(defvar *interrupt-lock* (bt:make-lock "harness-interrupt-lock")
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"Mutex protecting *interrupt-flag* access.")
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(defvar *heartbeat-thread* nil
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"Handle to the heartbeat thread.")
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#+end_src
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** Core Engine (process-signal)
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#+begin_src lisp
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(defun process-signal (signal)
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"The entry point to the Metabolic Pipeline: Perceive -> Reason -> Act."
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(let ((current-signal signal))
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(loop while current-signal do
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(let ((depth (getf current-signal :depth 0))
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(meta (getf current-signal :meta)))
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(when (> depth 10)
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(harness-log "METABOLISM ERROR: Max recursion depth reached.")
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(return nil))
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(when (bt:with-lock-held (*interrupt-lock*) *interrupt-flag*)
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(harness-log "METABOLISM: Interrupted by shutdown signal.")
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(return nil))
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(handler-case
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(progn
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(setf current-signal (perceive-gate current-signal))
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(setf current-signal (reason-gate current-signal))
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(let ((feedback (act-gate current-signal)))
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(if feedback
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(progn
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(unless (getf feedback :meta) (setf (getf feedback :meta) meta))
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(setf current-signal feedback))
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(setf current-signal nil))))
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(error (c)
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(let ((sensor (ignore-errors (getf (getf current-signal :payload) :sensor))))
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(harness-log "METABOLISM CRASH [~a]: ~a" (or sensor :unknown) c)
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(unless (member sensor '(:loop-error :tool-error :syntax-error))
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(harness-log "CRITICAL ERROR: Initiating Micro-Rollback.")
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(rollback-memory 0))
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(if (or (> depth 2) (member sensor '(:loop-error :tool-error)))
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(setf current-signal nil)
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(setf current-signal
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(list :type :EVENT :depth (1+ depth) :meta meta
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:payload (list :sensor :loop-error :message (format nil "~a" c) :depth depth)))))))))))
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#+end_src
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** Heartbeat Mechanism
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#+begin_src lisp
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(defvar *auto-save-interval* 300)
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(defvar *heartbeat-save-counter* 0)
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(defun start-heartbeat ()
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"Starts the background heartbeat thread."
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(let ((interval (or (ignore-errors (parse-integer (uiop:getenv "HEARTBEAT_INTERVAL"))) 60))
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(auto-save (or (ignore-errors (parse-integer (uiop:getenv "MEMORY_AUTO_SAVE_INTERVAL"))) *auto-save-interval*)))
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(setf *auto-save-interval* auto-save)
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(setf *heartbeat-save-counter* 0)
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(setf *heartbeat-thread*
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(bt:make-thread
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(lambda ()
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(loop
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(sleep interval)
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(incf *heartbeat-save-counter*)
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(when (>= *heartbeat-save-counter* (/ *auto-save-interval* interval))
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(setf *heartbeat-save-counter* 0)
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(save-memory-to-disk))
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(inject-stimulus
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(list :type :EVENT :payload (list :sensor :heartbeat :unix-time (get-universal-time))))))
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:name "opencortex-heartbeat"))))
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#+end_src
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** Shutdown Flag
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#+begin_src lisp
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(defvar *shutdown-save-enabled* t)
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#+end_src
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** Health Status
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#+begin_src lisp
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(defvar *system-health* :unknown
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"Current system health status: :healthy, :degraded, :unhealthy, or :unknown.")
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(defvar *health-check-ran* nil
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"Flag indicating if initial health check has completed.")
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#+end_src
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** Proactive Doctor
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#+begin_src lisp
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(defun run-startup-health-check ()
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"Runs the doctor diagnostics on startup. Returns health status."
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(format t "~%")
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(format t "==================================================~%")
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(format t " DOCTOR: Running Startup Health Check~%")
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(format t "==================================================~%")
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(handler-case
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(progn
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(when (fboundp 'doctor-run-all)
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(let ((result (doctor-run-all :auto-install nil)))
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(setf *health-check-ran* t)
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(if result
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(progn
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(setf *system-health* :healthy)
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(format t "DAEMON: Health check passed. Starting services.~%"))
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(progn
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(setf *system-health* :degraded)
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(format t "DAEMON: Health check found issues.~%")
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(format t " Run 'opencortex doctor --fix' to repair.~%")))))
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(setf *health-check-ran* t))
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(error (c)
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(format t "DOCTOR ERROR: ~a~%" c)
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(setf *system-health* :unhealthy)
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(setf *health-check-ran* t)))
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(format t "==================================================~%~%"))
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#+end_src
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** Main Entry Point (main)
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#+begin_src lisp
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(defun main ()
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"Entry point for OpenCortex. Initializes the system and enters idle loop."
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(let* ((home (uiop:getenv "HOME"))
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(env-file (uiop:merge-pathnames* ".config/opencortex/.env" (uiop:ensure-directory-pathname home))))
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(when (uiop:file-exists-p env-file)
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(cl-dotenv:load-env env-file)))
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(load-memory-from-disk)
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(initialize-actuators)
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(initialize-all-skills)
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;; Run proactive doctor before starting services
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(run-startup-health-check)
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(start-heartbeat)
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(start-daemon)
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#+sbcl
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(sb-sys:enable-interrupt sb-unix:sigint
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(lambda (sig code scp)
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(declare (ignore sig code scp))
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(harness-log "SHUTDOWN: SIGINT received. Saving memory...")
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(when *shutdown-save-enabled* (save-memory-to-disk))
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(uiop:quit 0)))
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(let ((sleep-interval (or (ignore-errors (parse-integer (uiop:getenv "DAEMON_SLEEP_INTERVAL"))) 3600)))
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(loop
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(when (bt:with-lock-held (*interrupt-lock*) *interrupt-flag*)
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(harness-log "SHUTDOWN: Interrupt flag set. Saving memory...")
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(when *shutdown-save-enabled* (save-memory-to-disk))
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(return))
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(sleep sleep-interval))))
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#+end_src
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* Test Suite
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#+begin_src lisp :tangle ../tests/immune-system-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-immune-system-tests
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(:use :cl :fiveam :opencortex)
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(:export #:immune-suite))
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(in-package :opencortex-immune-system-tests)
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(def-suite immune-suite :description "Verification of the Immune System (Core Error Hooks)")
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(in-suite immune-suite)
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(test loop-error-injection
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"Verify that a crash in think/decide triggers a :loop-error stimulus."
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(clrhash opencortex::*skills-registry*)
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(opencortex:defskill :evil-skill
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:priority 100
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:trigger (lambda (ctx) (eq (getf (getf ctx :payload) :sensor) :user-input))
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:probabilistic (lambda (ctx) (declare (ignore ctx)) (error "CRITICAL BRAIN FAILURE"))
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:deterministic nil)
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(opencortex:process-signal '(:type :EVENT :payload (:sensor :user-input)))
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(let ((logs (opencortex:context-get-system-logs 20)))
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(is (not (null (find-if (lambda (line) (search "CRITICAL BRAIN FAILURE" line)) logs))))))
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#+end_src
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