Amr Gharbeia
8fd56dece3
Phase 1 — dedup + hardening (~9 items): - Remove duplicate *skill-registry* defvar from core-skills - Merge *backend-registry* into *probabilistic-backends*, delete backend-register - Remove inject-stimulus alias, standardize on stimulus-inject - Add pre-eval sandbox (skill-source-scan) blocks restricted symbols before eval - Remove dead plist-get function; remove duplicate json-alist-to-plist export - Fix read-framed-message whitespace DoS (4096-iteration max) - Add *read-eval* nil to dispatcher-approvals-process read-from-string (RCE) - Add test-op to ASDF; update .asd version 0.4.3→0.7.2 Phase 2 — prose + contracts + reorder: - Split ROADMAP: 2623→1089 lines (TODO only), CHANGELOG: 260→1528 lines (full DONE history, 14 versions reverse chron) - Add Contracts + Overview to 6 channel files + embedding-native + programming-standards + symbolic-scope - Reorder 28 .org files: Contract → Test Suite → Implementation (TDD order) - Add 7-phase inline prose to think() in core-reason - Expand USER_MANUAL: 183→461 lines (10 new sections) Phase 3 — decomposition + export organization: - Decompose think() into think-assemble-prompt, think-call-llm, think-parse-response orchestrator - Organize 188 exports into 16 grouped sections by module Phase 4 — budget enforcement + error protocol: - Per-session budget enforcement (SESSION_BUDGET_USD env var, budget-exhausted-p, guard in think-call-llm) - Error condition hierarchy (6 conditions: pipeline-error, llm-error, gate-error, budget-error, protocol-error) - Restarts in loop-process: skip-signal, use-fallback, abort-pipeline
83 lines
3.6 KiB
Org Mode
83 lines
3.6 KiB
Org Mode
#+TITLE: Channel Signal (channel-signal.org)
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#+AUTHOR: Agent
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#+FILETAGS: :channel:signal:
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#+PROPERTY: header-args:lisp :tangle ../lisp/channel-signal.lisp
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* Channel Signal
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Extracted from gateway-messaging in v0.5.0. Isolated platform — Signal-specific poll and send logic.
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* Overview
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The Signal channel provides bidirectional communication via the ~signal-cli~ CLI tool.
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Messages received from Signal contacts are injected into the cognitive pipeline
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as ~:user-input~ signals with ~:source :signal~. Outbound messages route through
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the actuator registry when the pipeline targets ~:signal~.
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The channel uses two functions: ~signal-poll~ (inbound sensor) and ~signal-send~
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(outbound actuator). Both retrieve the Signal account identifier from the
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credentials vault. HITL commands (~/approve~, ~/deny~) are intercepted before
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injection so approval flows work identically across all channels.
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** Contract
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1. (signal-get-account): returns the Signal phone number from the vault
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(via ~vault-get-secret :signal~), or nil if not configured.
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2. (signal-poll): queries ~signal-cli receive --json~ for new messages,
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injects each non-system message as a ~:user-input~ stimulus with
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~:source :signal~. Handles JSON parse failures and network errors
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gracefully (logs and continues). HITL commands are intercepted before
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injection.
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3. (signal-send action context): sends a message via ~signal-cli send~.
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Extracts ~:chat-id~ and ~:text~ from the action plist. Logs send
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failures without crashing the pipeline.
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* Implementation
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#+begin_src lisp
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(in-package :passepartout)
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(defun signal-get-account ()
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(vault-get-secret :signal))
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(defun signal-poll ()
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"Polls Signal for new messages and injects them into the harness."
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(let ((account (signal-get-account)))
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(when account
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(handler-case
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(let* ((output (uiop:run-program (list "signal-cli" "-u" account "receive" "--json")
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:output :string :error-output :string :ignore-error-status t))
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(lines (cl-ppcre:split "\\\\n" output)))
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(dolist (line lines)
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(when (and line (> (length line) 0))
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(let* ((json (ignore-errors (cl-json:decode-json-from-string line)))
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(envelope (cdr (assoc :envelope json)))
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(source (cdr (assoc :source envelope)))
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(data-message (cdr (assoc :data-message envelope)))
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(text (cdr (assoc :message data-message))))
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(when (and source text)
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(log-message "SIGNAL: Received message from ~a" source)
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(unless (ignore-errors (hitl-handle-message text :signal))
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(stimulus-inject
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(list :type :EVENT
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:meta (list :source :signal :chat-id source)
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:payload (list :sensor :user-input :text text)))))))))
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(error (c) (log-message "SIGNAL POLL ERROR: ~a" c))))))
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(defun signal-send (action context)
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"Sends a message via Signal."
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(declare (ignore context))
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(let* ((payload (getf action :payload))
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(meta (getf action :meta))
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(chat-id (or (getf meta :chat-id) (getf payload :chat-id) (getf action :chat-id)))
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(text (or (getf payload :text) (getf action :text)))
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(account (signal-get-account)))
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(when (and account chat-id text)
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(handler-case
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(uiop:run-program (list "signal-cli" "-u" account "send" "-m" text chat-id)
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:output :string :error-output :string)
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(error (c) (log-message "SIGNAL ERROR: ~a" c))))))
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#+end_src
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#+end_src
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