Amr Gharbeia
529f8d0782
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- system-context-manager (new skill): stack-based project focusing with push-context/pop-context, path resolution relative to base path, and scope-aware memory queries via context-scoped-query. - core-memory: add :scope slot to memory-object struct (default :memex). - core-memory: ingest-ast accepts &key (scope :memex), propagates to children. - core-context: context-query accepts :scope parameter for filtering. - DEFECT FIX: renamed org-object-* accessors to memory-object-* across core-context, security-dispatcher, tests, and defpackage exports. The struct was renamed but accessor references were never updated — the code referenced nonexistent functions.
119 lines
4.6 KiB
Common Lisp
119 lines
4.6 KiB
Common Lisp
(defvar *context-stack* nil
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"Stack of context plists. Each plist has :project, :base-path, :scope.
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Top of stack (car) is the current context.")
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(defvar *context-max-depth* 10
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"Maximum context stack depth. Prevents runaway pushes.")
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(defun current-context ()
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"Returns the current context plist, or nil if no context is set."
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(car *context-stack*))
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(defun current-scope ()
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"Returns the current scope keyword (:memex/:session/:project).
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Returns :memex when no context is set (defaults to global scope)."
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(or (getf (current-context) :scope) :memex))
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(defun current-project ()
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"Returns the current project name, or nil."
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(getf (current-context) :project))
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(defun current-base-path ()
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"Returns the current base path for file resolution, or nil."
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(getf (current-context) :base-path))
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(defun context-stack-depth ()
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"Returns the current depth of the context stack."
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(length *context-stack*))
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(defun push-context (&key project base-path (scope :project))
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"Pushes a new context onto the stack. When focused on a project:
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- File paths resolve relative to BASE-PATH
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- Memory queries filter by SCOPE
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- :memex scope objects remain visible (always global)
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Returns the new context plist."
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(when (>= (context-stack-depth) *context-max-depth*)
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(log-message "CONTEXT: Stack depth limit reached (~d), refusing push" *context-max-depth*)
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(return-from push-context (current-context)))
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(let* ((context (list :project project
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:base-path base-path
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:scope scope)))
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(push context *context-stack*)
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(log-message "CONTEXT: Pushed ~a (depth ~d)" project (context-stack-depth))
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context))
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(defun pop-context ()
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"Pops the current context, restoring the previous one.
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Returns the restored context or nil if stack becomes empty."
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(if *context-stack*
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(let ((popped (pop *context-stack*)))
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(log-message "CONTEXT: Popped ~a (depth ~d)"
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(getf popped :project) (context-stack-depth))
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(current-context))
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(progn
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(log-message "CONTEXT: Cannot pop — stack is empty")
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nil)))
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(defmacro with-context ((&key project base-path (scope :project)) &body body)
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"Executes BODY within a scoped context, then restores the previous context.
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Example:
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(with-context (:project \"passepartout\" :base-path \"/home/user/memex/projects/passepartout\")
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(context-scoped-query :tag \"bug\"))"
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`(let ((*context-stack* (cons (list :project ,project
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:base-path ,base-path
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:scope ,scope)
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*context-stack*)))
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,@body))
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(defun resolve-path (path)
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"Resolves a file path relative to the current context.
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If PATH is absolute, returns it unchanged.
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If PATH is relative and a base-path is set, merges them.
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Otherwise returns PATH unchanged."
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(let ((base (current-base-path)))
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(if (and base path (not (uiop:absolute-pathname-p path)))
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(namestring (merge-pathnames path (uiop:ensure-directory-pathname base)))
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path)))
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(defun context-scoped-query (&key tag todo-state type)
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"Like context-query but filtered to the current context's scope.
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:memex-scoped objects are always visible regardless of current scope."
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(context-query :tag tag :todo-state todo-state :type type :scope (current-scope)))
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(defun project-objects ()
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"Returns all objects scoped to the current project.
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Includes :memex-scoped objects (global knowledge) plus :project-scoped
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objects matching the current project."
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(context-scoped-query))
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(defun focus-project (name base-path)
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"Shortcut: focus on a project by name and base path.
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Calls push-context with :scope :project."
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(push-context :project name :base-path base-path :scope :project))
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(defun focus-session ()
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"Shortcut: enter a session context (ephemeral scope).
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Objects created in this scope are visible only during the session."
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(push-context :project "session" :scope :session))
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(defun focus-memex ()
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"Shortcut: return to global memex scope. Equivalent to pop-context
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until stack is empty or :memex context is reached."
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(loop while (and *context-stack*
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(not (eq (getf (current-context) :scope) :memex)))
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do (pop-context)))
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(defun unfocus ()
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"Pop the top context and return to the previous one."
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(pop-context))
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(defskill :passepartout-system-context-manager
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:priority 90
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:trigger (lambda (ctx) (declare (ignore ctx)) nil)
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:deterministic (lambda (action ctx)
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(declare (ignore action))
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(ignore-errors
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(when (> (context-stack-depth) 0)
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nil))
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nil))
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