passepartout/org/channel-tui-main.org

Passepartout TUI — Controller

• Controller
  • Contract
  • Event Handlers
  • Daemon Communication
  • Connection
  • Main Loop
• Test Suite

Controller

Event handlers + daemon I/O + main loop.

Contract

1. (on-key ch): dispatches key presses: Enter triggers send (extracts input buffer, pushes history, sends to daemon, clears buffer), \\ + Enter inserts a literal newline (multi-line input), /help lists all commands, /eval <expr> evaluates a Lisp expression, /focus <proj> switches project context, /scope <scope> changes context scope, /unfocus pops context, Tab completes command names, Backspace deletes, arrows scroll chat and history. v0.7.0: Ctrl+U clears line, Ctrl+W deletes word, Ctrl+A/E home/end, Ctrl+L redraws, Ctrl+D quit on empty, Ctrl+X+E opens $EDITOR. Non-printable keys are ignored.
2. (on-daemon-msg msg): processes inbound daemon messages. Routes text responses to chat display (:agent), handshake to system messages, routes errors to log via log-message. Extracts :gate-trace (attached to message), :rule-count, and :foveal-id (v0.4.0 differentiator) from daemon response and updates TUI state for status bar rendering.
3. (send-daemon msg): serializes and sends a message to the daemon over the framed TCP protocol.
4. (tui-main): the main loop — connects to daemon, initializes Croatoan windows, optionally starts Swank REPL, runs render/input event loop at ~30fps.

Event Handlers

(in-package :passepartout.channel-tui)

(defun on-key (ch)
  (cond
      ;; v0.7.1: Esc — interrupt streaming
      ((and (or (eq ch :escape) (eql ch 27)) (st :streaming-text))
         (send-daemon (list :type :event :payload '(:action :cancel-stream)))
         (when (> (length (st :messages)) 0)
           (let ((idx (1- (length (st :messages)))))
             (setf (getf (aref (st :messages) idx) :content)
                   (concatenate 'string
                                (getf (aref (st :messages) idx) :content)
                                " [interrupted]"))
             (setf (getf (aref (st :messages) idx) :streaming) nil)
             (setf (getf (aref (st :messages) idx) :time) (now))))
         (setf (st :streaming-text) nil)
         (setf (st :busy) nil)
         (setf (st :dirty) (list t t nil)))
        ;; v0.7.2: Esc — exit search mode
        ((and (eql ch 27) (st :search-mode))
         (setf (st :search-mode) nil
               (st :search-matches) nil
               (st :search-query) "")
         (setf (st :dirty) (list nil t nil))
         (add-msg :system "Search exited"))
        ;; v0.7.2: search mode — Up/Down navigate matches
        ((and (st :search-mode) (or (eql ch 259) (eq ch :up)))
         (let* ((matches (st :search-matches))
                (idx (st :search-match-idx))
                (new-idx (max 0 (1- idx))))
           (setf (st :search-match-idx) new-idx)
           (when matches
             (setf (st :scroll-offset) (nth new-idx matches))
             (add-msg :system (format nil "Match ~d/~d" (1+ new-idx) (length matches)))
             (setf (st :dirty) (list nil t nil)))))
        ((and (st :search-mode) (or (eql ch 258) (eq ch :down)))
         (let* ((matches (st :search-matches))
                (idx (st :search-match-idx))
                (new-idx (min (1- (length matches)) (1+ idx))))
           (setf (st :search-match-idx) new-idx)
           (when matches
             (setf (st :scroll-offset) (nth new-idx matches))
             (add-msg :system (format nil "Match ~d/~d" (1+ new-idx) (length matches)))
             (setf (st :dirty) (list nil t nil)))))
        ;; v0.7.2: search mode — Enter jumps to current match
        ((and (st :search-mode) (or (eql ch 13) (eql ch 10) (eq ch :enter)))
         (let ((matches (st :search-matches))
               (idx (st :search-match-idx)))
           (when (and matches (>= (length matches) (1+ idx)))
             (setf (st :scroll-offset) (nth idx matches))
             (setf (st :search-mode) nil
                   (st :search-matches) nil
                   (st :search-query) "")
             (add-msg :system (format nil "Jumped to match ~d" (1+ idx)))
             (setf (st :dirty) (list nil t nil)))))
       ;; v0.7.1: Tab on empty input — extract then open URL from agent message
       ((and (or (eql ch 9) (eq ch :tab))
              (null (st :input-buffer)))
        (if (st :url-buffer)
            ;; Already extracted — now open it
            (progn
              (add-msg :system (format nil "Opening ~a" (st :url-buffer)))
              (setf (st :url-buffer) nil))
            ;; Extract URL from last agent message
            (let ((url nil))
              (loop for i from (1- (length (st :messages))) downto 0
                    for msg = (aref (st :messages) i)
                    for content = (getf msg :content)
                    for role = (getf msg :role)
                    while (eq role :agent)
                    when content
                    do (let ((pos (or (search "https://" content) (search "http://" content))))
                         (when pos
                           (let ((end (or (position-if (lambda (c) (find c (list #\Space #\Newline #\Tab (code-char 41))))
                                                        content :start pos)
                                          (length content))))
                             (setf url (subseq content pos end))
                             (return)))))
              (if url
                  (progn
                    (setf (st :url-buffer) url)
                    (add-msg :system (format nil "Press Tab to open ~a" url))
                    (setf (st :dirty) (list t t nil)))
                  nil))))
        ;; Enter
      ((or (eq ch :enter) (eql ch 13) (eql ch 10) (eql ch 343)
           (eql ch #\Newline) (eql ch #\Return))
        ;; Multi-line: if buffer ends with \, strip it and insert newline
        (if (and (st :input-buffer) (eql (first (st :input-buffer)) #\\))
            (progn (pop (st :input-buffer))
                   (push #\Newline (st :input-buffer))
                   (setf (st :dirty) (list nil nil t)))
            (let ((text (string-trim '(#\Space #\Tab) (input-string))))
              (when (> (length text) 0)
                (push text (st :input-history))
                (setf (st :input-hpos) 0)
                (setf (st :scroll-offset) 0)
                (cond
                  ;; v0.7.2: undo/redo
                  ((string-equal text "/undo")
                   (send-daemon (list :type :event :payload (list :sensor :undo)))
                   (add-msg :system "Undo: restoring memory to previous state"))
                  ((string-equal text "/redo")
                   (send-daemon (list :type :event :payload (list :sensor :redo)))
                   (add-msg :system "Redo: restoring memory"))
                  ;; /help command
                  ((and (>= (length text) 9)
                        (string-equal (subseq text 0 9) "/approve "))
                    (let ((token (string-trim '(#\Space) (subseq text 9))))
                      (send-daemon (list :type :event :payload
                                         (list :action :hitl-respond :token token :decision :approved)))
                      (add-msg :system (format nil "✓ Approved: ~a" token))
                      (resolve-hitl-panel :approved)))
                  ((and (>= (length text) 6)
                        (string-equal (subseq text 0 6) "/deny "))
                    (let ((token (string-trim '(#\Space) (subseq text 6))))
                      (send-daemon (list :type :event :payload
                                         (list :action :hitl-respond :token token :decision :denied)))
                      (add-msg :system (format nil "✗ Denied: ~a" token))
                      (resolve-hitl-panel :denied)))
                  ;; /help command
                  ;; /why command — show last gate trace
                  ((string-equal text "/why")
                   (let ((msgs (st :messages))
                         (found nil))
                     (loop for i from (1- (length msgs)) downto 0
                           for m = (aref msgs i)
                           for gt = (getf m :gate-trace)
                           when (and gt (listp gt) (> (length gt) 0))
                           do (setf found t)
                              (dolist (entry gt)
                                (let* ((gate (getf entry :gate))
                                       (result (getf entry :result))
                                       (reason (getf entry :reason))
                                       (msg (format nil "~a ~a~@[ — ~a~]"
                                                    (case result (:passed "[PASS]") (:blocked "[BLOCKED]") (:approval "[HITL]"))
                                                    (or gate "unknown")
                                                    reason)))
                                  (add-msg :system msg)))
                              (loop-finish))
                         (unless found
                           (add-msg :system "No recent gate trace. Run a tool to see gate decisions."))))
                  ;; /identity command — edit and reload identity file
                  ((string-equal text "/identity")
                   (let* ((editor (or (uiop:getenv "EDITOR") "emacs"))
                          (path (merge-pathnames "memex/IDENTITY.org" (user-homedir-pathname))))
                     (add-msg :system (format nil "Opening ~a in ~a..." (namestring path) editor))
                     (uiop:run-program (list editor (namestring path)) :output t :error-output t)
                     (when (fboundp 'load-identity-file)
                       (funcall 'load-identity-file))
                     (add-msg :system "Identity reloaded")))
                  ;; /audit command — Merkle provenance
                  ((and (>= (length text) 7) (string-equal (subseq text 0 7) "/audit "))
                   (if (fboundp 'audit-node)
                       (let* ((node-id (string-trim '(#\Space) (subseq text 7)))
                              (info (funcall 'audit-node node-id)))
                         (if info
                             (add-msg :system (format nil "Node ~a: type=~a scope=~a hash=~a"
                                                     (getf info :id) (getf info :type)
                                                     (getf info :scope)
                                                     (subseq (or (getf info :hash) "(none)") 0 16)))
                             (add-msg :system (format nil "Node ~a not found" node-id))))
                       (add-msg :system "Memory audit not available")))
                  ;; /tags command — tag stack with trigger counts
                  ((string-equal text "/tags")
                   (let ((cats passepartout::*tag-categories*)
                         (counts passepartout::*tag-trigger-count*))
                     (if cats
                         (dolist (entry cats)
                           (let* ((tag (car entry))
                                  (sev (cdr entry))
                                  (n (gethash (string-downcase tag) counts 0)))
                             (add-msg :system (format nil "~a: ~a (~d trigger~:p this session)" tag sev n))))
                         (add-msg :system "No tags configured. Set TAG_CATEGORIES env var."))))
                   ;; /context command — section breakdown with token estimates
                    ((string-equal text "/context")
                     (let* ((msg-count (length (st :messages)))
                            (id-tokens (min 200 (floor (+ 150 (length (or (st :focus-scope) ""))) 4)))
                           (tool-tokens (if (boundp 'passepartout::*cognitive-tool-registry*)
                                           (floor (* (hash-table-count passepartout::*cognitive-tool-registry*) 40) 4)
                                           50))
                           (log-tokens (min 4000 (floor (* msg-count 60) 4)))
                           ;; rough estimate: TIME, CONTEXT overhead
                           (overhead-tokens 200)
                           (total-est (+ id-tokens tool-tokens log-tokens overhead-tokens))
                           (total-limit 8192)
                           (pct-used (floor (* 100 total-est) total-limit))
                           (bar (make-string (min 10 (max 1 (floor (/ (min total-est total-limit) total-limit) 10)))
                                            :initial-element #\#)))
                      (add-msg :system (format nil "╔══ Context Budget ~a/~a tokens (~d%) ══╗" total-est total-limit pct-used))
                      (add-msg :system (format nil "IDENTITY      ~5d tokens" id-tokens))
                      (add-msg :system (format nil "TOOLS         ~5d tokens" tool-tokens))
                      (add-msg :system (format nil "TIME+CONFIG   ~5d tokens" overhead-tokens))
                      (add-msg :system (format nil "LOGS          ~5d tokens (~d msgs)" log-tokens msg-count))
                      (add-msg :system (format nil "  [~a~a] ~d%"
                                              bar (make-string (- 10 (length bar)) :initial-element #\Space) pct-used))
                      (when (> pct-used 80)
                        (add-msg :system "⚠ Context near limit — older messages may be dropped"))))
                  ;; /context why <id> — debug node with full attributes
                  ((and (>= (length text) 13) (string-equal (subseq text 0 13) "/context why "))
                   (let ((node-id (string-trim '(#\Space) (subseq text 13))))
                     (if (fboundp 'passepartout::memory-object-get)
                         (let ((obj (funcall 'passepartout::memory-object-get node-id)))
                           (if obj
                               (let ((attrs (passepartout::memory-object-attributes obj))
                                     (parent (passepartout::memory-object-parent-id obj))
                                     (children (passepartout::memory-object-children obj))
                                     (hash (or (passepartout::memory-object-hash obj) "(none)")))
                                 (add-msg :system (format nil "Node ~a: type=~a scope=~a version=~a"
                                                         node-id
                                                         (passepartout::memory-object-type obj)
                                                         (passepartout::memory-object-scope obj)
                                                         (passepartout::memory-object-version obj)))
                                 (when parent
                                   (add-msg :system (format nil "  parent: ~a" parent)))
                                 (when children
                                   (add-msg :system (format nil "  children: ~d" (length children))))
                                 (add-msg :system (format nil "  hash: ~a" (subseq hash 0 (min 32 (length hash)))))
                                 (when attrs
                                   (add-msg :system (format nil "  title: ~a" (or (getf attrs :TITLE) "(none)")))))
                               (add-msg :system (format nil "Node ~a not found in memory" node-id))))
                         (add-msg :system "Memory not available"))))
                  ;; /context dropped — estimate pruned nodes from budget
                  ((string-equal text "/context dropped")
                   (let* ((msg-count (length (st :messages)))
                          (est-total (* msg-count 60))
                          (budget 8192)
                          (dropped-msgs (if (> est-total budget)
                                           (floor (- est-total budget) 60)
                                           0)))
                     (if (> dropped-msgs 0)
                         (add-msg :system (format nil "Estimate: ~d messages (~d tokens) may be pruned at budget ~d tokens (~d% used)"
                                                 dropped-msgs (- est-total budget) budget
                                                 (floor (* 100 est-total) budget)))
                         (add-msg :system (format nil "Within budget: ~d tokens used of ~d tokens (~d%)"
                                                 est-total budget (floor (* 100 est-total) budget))))))
                   ;; /search command — message search
                   ((and (>= (length text) 8) (string-equal (subseq text 0 8) "/search "))
                    (let* ((query (string-downcase (string-trim '(#\Space) (subseq text 8))))
                           (msgs (st :messages))
                           (total (length msgs))
                           (matches nil))
                      (loop for i from 0 below total
                            for m = (aref msgs i)
                            for content = (getf m :content)
                            when (search query (string-downcase content))
                            do (push i matches))
                      (setf matches (nreverse matches))
                      ;; Enter search mode
                      (setf (st :search-mode) t
                            (st :search-query) query
                            (st :search-matches) matches
                            (st :search-match-idx) 0)
                      (if matches
                          (add-msg :system (format nil "Search: ~d matches for '~a' (1/~d) — Up/Down nav, Enter jump, Esc exit"
                                                  (length matches) query (length matches)))
                          (add-msg :system (format nil "0 matches for '~a'" query)))))
                  ;; /rewind command — session rewind
                  ((and (>= (length text) 8) (string-equal (subseq text 0 8) "/rewind "))
                   (let* ((n-str (string-trim '(#\Space) (subseq text 8)))
                          (n (handler-case (parse-integer n-str) (error () nil))))
                     (if n
                         (if (fboundp 'passepartout::rollback-memory)
                             (let* ((idx (1- n))
                                    (snaps passepartout::*memory-snapshots*)
                                    (ts (when (< idx (length snaps))
                                          (getf (nth idx snaps) :timestamp))))
                               (funcall 'passepartout::rollback-memory idx)
                               (add-msg :system (format nil "Rewound ~d turn~:p~@[ (~a)~]" n ts)))
                             (add-msg :system "Memory rollback not available"))
                         (add-msg :system "Usage: /rewind <number>"))))
                  ;; /sessions command — list snapshots
                  ((string-equal text "/sessions")
                   (let ((snaps passepartout::*memory-snapshots*))
                     (if snaps
                         (let ((shown (subseq snaps 0 (min 10 (length snaps)))))
                           (add-msg :system (format nil "~d snapshots (showing ~d):" 
                                                   (length snaps) (length shown)))
                           (loop for s in shown
                                 for i from 0
                                 for ts = (getf s :timestamp)
                                 for data = (getf s :data)
                                 for size = (hash-table-size data)
                                 do (add-msg :system (format nil "  #~d: ~a objects, timestamp ~d"
                                                             (1+ i) size ts))))
                          (add-msg :system "No snapshots available"))))
                  ;; /audit verify — memory integrity
                  ((string-equal text "/audit verify")
                   (if (fboundp 'passepartout::audit-verify-hash)
                       (let* ((result (funcall 'passepartout::audit-verify-hash))
                              (total (car result))
                              (missing (cdr result)))
                         (add-msg :system (format nil "Audit: ~d objects, ~d missing hashes, ~d snapshots~@[ — VERIFY PASS~]~@[ — ~d MISSING HASHES~]"
                                                 total missing
                                                 (length passepartout::*memory-snapshots*)
                                                 (zerop missing)
                                                 (unless (zerop missing) missing))))
                       (add-msg :system "Memory audit not available")))
                  ;; /resume <n> — resume from snapshot
                  ((and (>= (length text) 8) (string-equal (subseq text 0 8) "/resume "))
                   (let* ((n-str (string-trim '(#\Space) (subseq text 8)))
                          (n (handler-case (parse-integer n-str) (error () nil))))
                     (if n
                         (if (fboundp 'passepartout::rollback-memory)
                             (progn (funcall 'passepartout::rollback-memory (1- n))
                                    (add-msg :system (format nil "Resumed from snapshot ~d" n)))
                             (add-msg :system "Memory rollback not available"))
                         (add-msg :system "Usage: /resume <number>"))))
                  ;; /help <topic> — search user manual
                  ((and (>= (length text) 6) (string-equal (subseq text 0 6) "/help "))
                   (let ((topic (string-trim '(#\Space) (subseq text 6)))
                         (sections (self-help-lookup (string-trim '(#\Space) (subseq text 6)))))
                     (if sections
                         (dolist (entry sections)
                           (let* ((title (car entry))
                                  (content (cdr entry))
                                  (preview (if (> (length content) 300)
                                              (concatenate 'string (subseq content 0 297) "...")
                                              content)))
                             (add-msg :system (format nil "~a: ~a" title preview))))
                         (add-msg :system (format nil "No manual section found for '~a'" topic)))))
                  ((string-equal text "/help")
                   (add-msg :system "/eval <expr>   Evaluate Lisp")
                   (add-msg :system "/undo          Undo last operation")
                   (add-msg :system "/redo          Redo last operation")
                   (add-msg :system "/why           Show last gate trace")
                   (add-msg :system "/identity      Edit IDENTITY.org")
                   (add-msg :system "/tags          List tag severities")
                   (add-msg :system "/audit <id>    Inspect memory object")
                   (add-msg :system "/search <q>    Search messages")
                   (add-msg :system "/context       Show context summary")
                   (add-msg :system "/rewind <n>    Rewind to snapshot N")
                   (add-msg :system "/sessions      Show snapshots")
                   (add-msg :system "/resume <n>    Resume from snapshot")
                   (add-msg :system "/focus <proj>  Set project context")
                   (add-msg :system "/theme         Show theme")
                   (add-msg :system "/help [topic]  Show this help")
                   (add-msg :system "\\ + Enter      Multi-line input")
                   (add-msg :system "Ctrl+G         Toggle gate trace"))
                  ;; /theme command
                   ((string-equal text "/theme")
                    (add-msg :system (format nil "Theme: ~a — user-fg=~a agent-fg=~a system=~a input-fg=~a"
                                            *tui-theme-current-name*
                                            (getf *tui-theme* :user-fg)
                                            (getf *tui-theme* :agent-fg)
                                            (getf *tui-theme* :system)
                                            (getf *tui-theme* :input-fg)))
                     (add-msg :system "Presets: /theme amber | gold | terracotta | sepia | nord-warm | monokai-warm | gruvbox-warm | light-amber | catppuccin | tokyonight | dracula | gemini | mono"))
                  ((and (>= (length text) 7)
                        (string-equal (subseq text 0 7) "/theme "))
                   (let ((name (string-trim '(#\Space) (subseq text 7))))
                    (if (theme-switch name)
                        (add-msg :system (format nil "Theme switched to ~a" name))
                         (add-msg :system (format nil "Unknown theme '~a'. Try: amber gold terracotta sepia nord-warm monokai-warm gruvbox-warm light-amber catppuccin tokyonight dracula gemini mono" name)))))
                  ;; /eval command
                  ((and (>= (length text) 6)
                        (string-equal (subseq text 0 6) "/eval "))
                   (handler-case
                       (let* ((*read-eval* t)
                              (*package* (find-package :passepartout.channel-tui))
                              (r (eval (read-from-string (subseq text 6)))))
                         (add-msg :system (format nil "=> ~s" r)))
                     (error (c) (add-msg :system (format nil "=> ✗ ~a" c)))))
                  ;; /focus <project> — set project context
                  ((and (>= (length text) 7)
                        (string-equal (subseq text 0 7) "/focus "))
                   (let ((project (string-trim '(#\Space) (subseq text 7))))
                     (if (and (fboundp 'focus-project) (> (length project) 0))
                         (progn (funcall 'focus-project project nil)
                                (add-msg :system (format nil "Focused on project: ~a" project)))
                         (add-msg :system "Usage: /focus <project-name>"))))
                  ;; /scope <scope> — change context scope
                  ((and (>= (length text) 7)
                        (string-equal (subseq text 0 7) "/scope "))
                   (let ((scope-str (string-trim '(#\Space) (subseq text 7))))
                     (cond
                       ((and (fboundp 'focus-session) (string-equal scope-str "session"))
                        (funcall 'focus-session)
                        (add-msg :system "Scope: session"))
                       ((and (fboundp 'focus-project) (string-equal scope-str "project"))
                        (funcall 'focus-project nil nil)
                        (add-msg :system "Scope: project"))
                       ((and (fboundp 'focus-memex) (string-equal scope-str "memex"))
                        (funcall 'focus-memex)
                        (add-msg :system "Scope: memex"))
                       (t (add-msg :system "Usage: /scope memex|session|project")))))
                  ;; /unfocus — pop context
                  ((and (>= (length text) 8)
                        (string-equal (subseq text 0 8) "/unfocus"))
                   (if (fboundp 'unfocus)
                       (progn (funcall 'unfocus)
                              (add-msg :system "Popped context"))
                       (add-msg :system "Context manager not loaded")))
                   ;; /quit — save history and exit
                   ((or (string-equal text "/quit") (string-equal text "/q"))
                    (let ((hist-file (merge-pathnames ".cache/passepartout/history"
                                                      (user-homedir-pathname))))
                      (uiop:ensure-all-directories-exist (list hist-file))
                      (with-open-file (out hist-file :direction :output
                                           :if-exists :supersede :if-does-not-exist :create)
                        (dolist (entry (reverse (st :input-history)))
                          (write-line entry out))))
                    (add-msg :system "* Goodbye *")
                    (send-daemon (list :type :event :payload '(:action :quit)))
                    (setf (st :running) nil))
                    ;; /reconnect — re-establish daemon connection
                    ((string-equal text "/reconnect")
                     (disconnect-daemon)
                     (add-msg :system "* Reconnecting... *")
                     (connect-daemon)
                     (setf (st :dirty) (list t t nil)))
                   ;; Normal message
                  (t
                   (add-msg :user text)
                   (setf (st :busy) t)
                   (send-daemon (list :type :event
                                     :payload (list :sensor :user-input :text text)))))
                 (setf (st :input-buffer) nil)
                 (setf (st :cursor-pos) 0)
                 (setf (st :dirty) (list t t t))))))
        ;; Tab — command completion (v0.7.0: extended with subcommand + file paths)
        ((or (eql ch 9) (eq ch :tab))
         (let ((text (input-string)))
           (cond
             ;; @ prefix — file path completion
             ((and (>= (length text) 1) (eql (char text 0) #\@))
              (let* ((partial (subseq text 1))
                     (memex (or (uiop:getenv "MEMEX_DIR")
                                (namestring (merge-pathnames "memex/" (user-homedir-pathname)))))
                     (proj (merge-pathnames (make-pathname :directory '(:relative "projects")) memex))
                     (files (handler-case (append (uiop:directory-files proj "**/*.org")
                                                  (uiop:directory-files proj "**/*.lisp"))
                              (error () nil)))
                     (names (mapcar (lambda (f) (subseq (namestring f) (1+ (length (namestring proj))))) files))
                     (match (find-if (lambda (n) (and (>= (length n) (length partial))
                                                       (string-equal n partial :end2 (length partial))))
                                     names)))
                (when match
                  (setf (st :input-buffer) (reverse (coerce (concatenate 'string "@" match) 'list)))
                  (setf (st :dirty) (list nil nil t)))))
             ;; /theme subcommand
              ((and (>= (length text) 7) (string-equal (subseq text 0 7) "/theme "))
               (let* ((partial (string-trim '(#\Space) (subseq text 7)))
                       (names '("amber" "gold" "terracotta" "sepia" "nord-warm" "monokai-warm" "gruvbox-warm" "light-amber" "catppuccin" "tokyonight" "dracula" "gemini" "mono"))
                      (match (if (string= partial "") (first names)
                                 (find partial names :test #'string-equal))))
                (when match
                  (setf (st :input-buffer) (reverse (coerce (concatenate 'string "/theme " match) 'list)))
                  (setf (st :dirty) (list nil nil t)))))
             ;; /focus subcommand
             ((and (>= (length text) 7) (string-equal (subseq text 0 7) "/focus "))
              (let* ((partial (string-trim '(#\Space) (subseq text 7)))
                     (memex (or (uiop:getenv "MEMEX_DIR")
                                (namestring (merge-pathnames "memex/" (user-homedir-pathname)))))
                     (proj (merge-pathnames (make-pathname :directory '(:relative "projects")) memex))
                     (dirs (handler-case (mapcar (lambda (d) (car (last (pathname-directory d))))
                                                  (uiop:subdirectories proj))
                             (error () nil)))
                     (match (if (string= partial "") (first dirs)
                                (find-if (lambda (d) (and (>= (length d) (length partial))
                                                           (string-equal d partial :end2 (length partial))))
                                           dirs))))
                (when match
                  (setf (st :input-buffer) (reverse (coerce (concatenate 'string "/focus " match) 'list)))
                  (setf (st :dirty) (list nil nil t)))))
             ;; Command prefix /
             ((and (> (length text) 1) (eql (char text 0) #\/))
              (let* ((cmds '("/eval" "/focus" "/scope" "/unfocus" "/help" "/theme" "/reconnect" "/quit"))
                     (match (find text cmds :test
                                  (lambda (in cmd) (and (>= (length cmd) (length in))
                                                         (string-equal cmd in :end1 (length in)))))))
                (when match
                  (setf (st :input-buffer) (reverse (coerce match 'list)))
                  (when (member match '("/eval" "/focus" "/scope") :test #'string=)
                    (push #\Space (st :input-buffer)))
                  (setf (st :dirty) (list nil nil t))))))))
       ;; Backspace
       ((or (eq ch :backspace) (eql ch 127) (eql ch 8) (eql ch 263)
            (eql ch #\Backspace))
        (input-delete-char)
        (setf (st :dirty) (list nil nil t)))
       ;; Left arrow
       ((eq ch :left)
        (when (> (or (st :cursor-pos) 0) 0)
          (decf (st :cursor-pos))
          (setf (st :dirty) (list nil nil t))))
       ;; Right arrow
       ((eq ch :right)
        (when (< (or (st :cursor-pos) 0) (length (st :input-buffer)))
          (incf (st :cursor-pos))
          (setf (st :dirty) (list nil nil t))))
      ;; Up arrow
       ((eq ch :up)
        (let* ((h (st :input-history)) (p (st :input-hpos)))
          (when (and h (< p (1- (length h))))
            (incf (st :input-hpos))
            (setf (st :input-buffer)
                  (reverse (coerce (nth (st :input-hpos) h) 'list)))
            (setf (st :dirty) (list nil nil t)))))
       ;; Down arrow
       ((eq ch :down)
        (when (> (st :input-hpos) 0)
          (decf (st :input-hpos))
          (let ((h (st :input-history)))
            (setf (st :input-buffer)
                  (if (and h (< (st :input-hpos) (length h)))
                      (reverse (coerce (nth (st :input-hpos) h) 'list))
                      nil))
            (setf (st :dirty) (list nil nil t)))))
       ;; PageUp — scroll back by page (10 lines)
       ((eq ch :ppage)
        (let ((max-offset (max 0 (- (length (st :messages)) 1))))
          (setf (st :scroll-offset) (min max-offset (+ (st :scroll-offset) 10))))
        (setf (st :dirty) (list nil t nil)))
       ;; PageDown — scroll forward by page
       ((eq ch :npage)
        (setf (st :scroll-offset) (max 0 (- (st :scroll-offset) 10)))
        (setf (st :dirty) (list nil t nil)))
       ;; Printable
       (t
         (let ((chr (typecase ch
                      (character ch)
                      ((integer 32 126) (code-char ch))
                      (keyword (let ((s (string ch)))
                                 (and (= (length s) 1) (char-downcase (char s 0)))))
                      (t nil))))
            (when (and chr (graphic-char-p chr))
              (input-insert-char chr)
              (setf (st :dirty) (list nil nil t))
              (when (and (char= chr #\/) (null (st :dialog-stack))
                         (= (length (st :input-buffer)) 1))
                (unified-menu-show "/")))))))

;; v0.9.0 — unified command minibuffer (replaces separate palette and slash menus)
(defun unified-menu-show (&optional initial-filter)
  "Open the command minibuffer with ALL commands. If INITIAL-FILTER is
supplied (e.g. \"/\"), pre-fill the select filter with it."
  (let* ((on-select (lambda (opt)
                      (pop (st :dialog-stack))
                      (let ((val (getf opt :value)))
                        (cond ((stringp val)
                               ;; Slash command — fill input buffer
                               (setf (st :input-buffer) (reverse (coerce val 'list)))
                               (setf (st :cursor-pos) 0)
                               (setf (st :dirty) (list nil nil t)))
                              ((listp val)
                               ;; Daemon action — send immediately
                               (send-daemon (list :type :event :payload val))
                               (add-msg :system (format nil "Sent: ~a" (getf opt :title)))
                               (setf (st :dirty) (list t t nil)))))))
         (sel (cl-tty.select:make-select :options (all-commands) :on-select on-select)))
    (when initial-filter
      (setf (cl-tty.select:select-filter sel) initial-filter))
    (let ((dlg (make-instance 'cl-tty.dialog:dialog :title "Commands" :content sel)))
      (push dlg (st :dialog-stack)))))

;; v0.7.2 — resolve-hitl-panel: marks panel as resolved after approve/deny
(defun resolve-hitl-panel (decision)
  "Mark the most recent HITL panel message as resolved with DECISION."
  (loop for i from (1- (length (st :messages))) downto 0
        for m = (aref (st :messages) i)
        when (and (getf m :panel) (not (getf m :panel-resolved)))
        do (setf (getf m :panel-resolved) decision)
           (setf (aref (st :messages) i) m)
           (setf (st :dirty) (list nil t nil))
           (loop-finish)))

;; v0.7.2 — self-help-lookup: read USER_MANUAL.org and find matching sections
(defun self-help-lookup (topic)
  "Search USER_MANUAL.org for headlines matching TOPIC, return content previews."
  (let* ((manual-path (merge-pathnames "projects/passepartout/docs/USER_MANUAL.org"
                                       (merge-pathnames "memex/" (user-homedir-pathname))))
         (results nil))
    (handler-case
        (let* ((text (uiop:read-file-string manual-path))
               (lines (uiop:split-string text :separator '(#\Newline)))
               (in-section nil)
               (section-content nil))
          (dolist (line lines)
            (let ((trimmed (string-trim '(#\Space #\Tab) line)))
              (cond
                ;; New headline
                ((and (>= (length trimmed) 2) (eql (char trimmed 0) #\*))
                 (when (and in-section section-content)
                   (push (cons in-section (string-trim '(#\Space #\Newline)
                                                       (format nil "~{~a~^ ~}" (reverse section-content))))
                         results))
                 (let ((title (string-trim '(#\Space #\*) trimmed)))
                   (if (search topic title :test #'char-equal)
                       (setf in-section title
                             section-content nil)
                       (setf in-section nil
                             section-content nil))))
                ;; Content line in matching section
                (in-section
                 (when (and (> (length trimmed) 0)
                            (not (eql (char trimmed 0) #\#)))
                   (push trimmed section-content))))))
          (when (and in-section section-content)
            (push (cons in-section (string-trim '(#\Space #\Newline)
                                                (format nil "~{~a~^ ~}" (reverse section-content))))
                  results))
          (nreverse results))
      (error (c) (list (cons "Error" (format nil "Cannot read manual: ~a" c)))))))

(defun on-daemon-msg (msg)
  (let* ((payload (getf msg :payload))
         (text (getf payload :text))
         (msg-type (getf msg :type))
         (action (getf payload :action))
         (level (getf msg :level))
         (gate-trace (getf msg :gate-trace))
         (rule-count (getf payload :rule-count))
         (foveal-id (getf payload :foveal-id)))
    ;; v0.7.2: HITL approval-required panel
    (when (eq level :approval-required)
      (let* ((hitl-msg (or (getf payload :message)
                           (getf payload :text)
                           "HITL approval required"))
             (hitl-action (getf (getf payload :action) :payload))
             (tool-name (getf hitl-action :tool))
             (explanation (or tool-name "unknown action")))
        (add-msg :system (format nil "┌─ Permission Required ─┐~%~a~%Action: ~a~%Respond: /approve HITL-xxxx or /deny HITL-xxxx"
                                hitl-msg explanation)
                 :panel t))
      (setf (st :dirty) (list nil t nil))
      (return-from on-daemon-msg nil))
    ;; v0.7.1: streaming chunk
    (when (eq msg-type :stream-chunk)
      (cond
        ((string= text "")
         ;; Final chunk: stamp time, clear streaming
         (when (> (length (st :messages)) 0)
           (let ((idx (1- (length (st :messages)))))
             (setf (getf (aref (st :messages) idx) :streaming) nil)
             (setf (getf (aref (st :messages) idx) :time) (now))))
         (setf (st :streaming-text) nil)
         (setf (st :busy) nil)
         (setf (st :dirty) (list nil t nil))
         (return-from on-daemon-msg nil))
        ((null (st :streaming-text))
         ;; First chunk: add new streaming message
         (setf (st :streaming-text) "")
         (setf (st :busy) nil)
         (add-msg :agent text)
         (let ((idx (1- (length (st :messages)))))
           (setf (getf (aref (st :messages) idx) :streaming) t))
         (setf (st :streaming-text) text)
         (setf (st :dirty) (list nil t nil))
         (return-from on-daemon-msg nil))
        (t
         ;; Subsequent chunk: append
         (let* ((new-text (concatenate 'string (st :streaming-text) text))
                (idx (1- (length (st :messages)))))
           (setf (st :streaming-text) new-text)
           (setf (getf (aref (st :messages) idx) :content) new-text)
           (setf (st :dirty) (list nil t nil)))
         (return-from on-daemon-msg nil))))
    (when rule-count (setf (st :rule-count) rule-count))
    (when foveal-id (setf (st :foveal-id) foveal-id))
    (cond
      (text (setf (st :busy) nil)
            (add-msg :agent text :gate-trace gate-trace))
      ((eq action :handshake)
       (setf (st :daemon-version) (getf payload :version)))
      (t (add-msg :agent (format nil "~a" msg))))))

Daemon Communication

(defun send-daemon (msg)
  (let ((s (st :stream)))
    (when (and s (open-stream-p s))
      (handler-case
          (progn
            (format s "~a" (frame-message msg))
            (finish-output s))
        (error () nil)))))

(defun recv-daemon (s)
  (handler-case
      (let* ((hdr (make-string 6)) (n 0))
        (loop while (< n 6)
              do (let ((ch (read-char s nil)))
                    (unless ch (return-from recv-daemon nil))
                    (setf (char hdr n) ch) (incf n)))
        (let* ((len (parse-integer hdr :radix 16 :junk-allowed t))
               (buf (make-string (or len 0))))
          (when (and len (> len 0))
            (loop for i from 0 below len
                  do (let ((ch (read-char s nil)))
                        (unless ch (return-from recv-daemon nil))
                        (setf (char buf i) ch)))
            (let ((*read-eval* nil))
              (read-from-string buf)))))
    (error () nil)))

(defun reader-loop (s)
  (let ((consecutive-nils 0))
    (loop while (and (st :running) (open-stream-p s))
          do (let ((msg (recv-daemon s)))
               (if msg
                   (progn (queue-event (list :type :daemon :payload msg))
                          (setf consecutive-nils 0))
                   (progn (sleep 0.5)
                          (incf consecutive-nils)
                          (when (> consecutive-nils 10)
                            (queue-event (list :type :disconnected))
                            (return))))))))

(defun load-history ()
  "Load input history from disk on TUI startup."
  (let ((hist-file (merge-pathnames ".cache/passepartout/history"
                                    (user-homedir-pathname))))
    (when (uiop:file-exists-p hist-file)
      (with-open-file (in hist-file :direction :input)
        (loop for line = (read-line in nil nil)
              while line
              do (push line (st :input-history))))
      (setf (st :input-history) (nreverse (st :input-history))))))

Connection

(defun connect-daemon (&optional (host "127.0.0.1") (port 9105))
  (add-msg :system "* Connecting to daemon... *")
  (loop for attempt from 1 to 3
        for backoff = 0 then 3
        do (sleep backoff)
           (handler-case
               (let ((s (usocket:socket-connect host port :timeout 5)))
                 (setf (st :stream) (usocket:socket-stream s)
                       (st :connected) t)
                  (bt:make-thread (lambda () (reader-loop (st :stream)))
                                 :name "tui-reader")
                  (return-from connect-daemon t))
             (usocket:connection-refused-error (c)
                (declare (ignore c))
                (when (= attempt 3)
                 (add-msg :system (format nil "* No daemon on port ~a after ~a attempts *"
                                         port attempt))))
             (error (c)
               (add-msg :system (format nil "* Connection attempt ~a failed: ~a *"
                                        attempt c))
               (when (= attempt 3)
                 (add-msg :system "* TIP: run 'passepartout daemon' first *")))))
  nil)

(defun disconnect-daemon ()
  (when (st :stream)
    (ignore-errors (close (st :stream)))
    (setf (st :stream) nil (st :connected) nil)
    (add-msg :system "* Disconnected *")))

Main Loop

;; v0.8.0 — Global keymap
(eval-when (:load-toplevel :execute)
  (cl-tty.input:defkeymap :global
    (:ctrl+q (lambda (e) (declare (ignore e))
               (setf (st :running) nil)))
    (:ctrl+p (lambda (e) (declare (ignore e))
               (unified-menu-show)))
    (:ctrl+b (lambda (e) (declare (ignore e))
               (setf (st :sidebar-visible) (not (st :sidebar-visible)))
               (setf (st :dirty) (list t t nil))))
    (:ppage (lambda (e) (declare (ignore e))
              (let ((max-offset (max 0 (- (length (st :messages)) 1))))
                (setf (st :scroll-offset) (min max-offset (+ (st :scroll-offset) 10))))
              (setf (st :dirty) (list nil t nil))))
    (:npage (lambda (e) (declare (ignore e))
              (setf (st :scroll-offset) (max 0 (- (st :scroll-offset) 10)))
              (setf (st :dirty) (list nil t nil))))
    ;; v0.9.0 — Readline keybindings
    (:ctrl+a (lambda (e) (declare (ignore e))
              (setf (st :cursor-pos) 0)))
    (:ctrl+e (lambda (e) (declare (ignore e))
              (setf (st :cursor-pos) (length (st :input-buffer)))))
    (:ctrl+u (lambda (e) (declare (ignore e))
              (setf (st :input-buffer) nil)
              (setf (st :cursor-pos) 0)
              (setf (st :dirty) (list nil nil t))))
    (:ctrl+w (lambda (e) (declare (ignore e))
              (let ((buf (st :input-buffer)))
                (loop while (and buf (char= (first buf) #\Space)) do (pop buf))
                (loop while (and buf (char/= (first buf) #\Space)) do (pop buf))
                (setf (st :input-buffer) buf)
                (setf (st :dirty) (list nil nil t)))))
    (:ctrl+k (lambda (e) (declare (ignore e))
              (let* ((s (input-string))
                     (pos (or (st :cursor-pos) 0))
                     (killed (subseq s pos)))
                (setf (st :kill-ring) killed)
                (setf (st :input-buffer) (reverse (coerce (subseq s 0 pos) 'list)))
                (setf (st :dirty) (list nil nil t)))))
    (:ctrl+y (lambda (e) (declare (ignore e))
              (let ((killed (st :kill-ring)))
                (when killed
                  (dolist (ch (reverse (coerce killed 'list)))
                    (push ch (st :input-buffer)))
                  (setf (st :cursor-pos) (length (st :input-buffer)))
                  (setf (st :dirty) (list nil nil t))))))
    (:ctrl+l (lambda (e) (declare (ignore e))
              (setf (st :dirty) (list t t t))))
    (:ctrl+d (lambda (e) (declare (ignore e))
              (when (or (null (st :input-buffer)) (string= "" (input-string)))
                (add-msg :system "Goodbye. Run /quit or press Ctrl+D again to exit."))))
    (:ctrl+f (lambda (e) (declare (ignore e))
              (add-msg :system "Use /search <query> to find messages")))
    (:ctrl+g (lambda (e) (declare (ignore e))
              (let ((gate-idx nil))
                (loop for i from (1- (length (st :messages))) downto 0
                      for m = (aref (st :messages) i)
                      when (and (getf m :gate-trace) (listp (getf m :gate-trace)))
                      do (setf gate-idx i) (loop-finish))
                (if gate-idx
                    (let ((cg (st :collapsed-gates)))
                      (if (member gate-idx cg)
                          (setf (st :collapsed-gates) (remove gate-idx cg))
                          (push gate-idx (st :collapsed-gates)))
                      (add-msg :system (format nil "Gate trace ~a for msg ~a"
                                              (if (member gate-idx (st :collapsed-gates)) "hidden" "shown")
                                              gate-idx))
                      (setf (st :dirty) (list nil t nil)))
                    (add-msg :system "No gate trace to toggle")))))
    (:alt+enter (lambda (e) (declare (ignore e))
                  (push #\Newline (st :input-buffer))
                  (setf (st :dirty) (list nil nil t))))
    ;; v0.9.0 — Ctrl+X prefix + help
    (:ctrl+x (lambda (e) (declare (ignore e))
              (setf (st :pending-ctrl-x) t)))
    (:? (lambda (e) (declare (ignore e))
          (add-msg :system "Keybindings: Ctrl+P palette | Ctrl+B sidebar | Ctrl+F search | Ctrl+L redraw | Ctrl+D quit | Ctrl+Q quit | PageUp/Dn scroll | Esc interrupt | Tab complete | Up/Dn history")
          (add-msg :system "Commands: /eval <expr> | /undo | /redo | /why | /identity | /tags | /audit | /search | /context | /focus | /scope | /unfocus | /theme | /reconnect | /help")
          (setf (st :dirty) (list t t nil))))))
 
;; v0.8.0 — Prompt/local keymap (for when input is active)
(eval-when (:load-toplevel :execute)
  (cl-tty.input:defkeymap :local
    (:up (lambda (e) (declare (ignore e)) (on-key :up)))
    (:down (lambda (e) (declare (ignore e)) (on-key :down)))
    (:escape (lambda (e) (declare (ignore e)) (on-key :escape)))))

(defvar *cat-proc* nil "Cat subprocess for keyboard input (unused — direct stdin reads)")
(defvar *tty-in* nil "Stream from cat subprocess stdout (unused — direct stdin reads)")

(defun tui-main ()
  (init-state)
  (load-history)
  (theme-load)
  (let* ((swank-port (or (ignore-errors
                           (parse-integer (uiop:getenv "TUI_SWANK_PORT")))
                         4006)))
    (setf (st :dirty) (list t t t))
    (connect-daemon)
    (when (> swank-port 0)
      (handler-case
          (progn
            (ql:quickload :swank :silent t)
            (funcall (find-symbol "CREATE-SERVER" "SWANK")
                     :port swank-port :dont-close t)
            (add-msg :system
                     (format nil "* Swank ~d  M-x slime-connect *" swank-port)))
        (error ()
          (add-msg :system "* Swank unavailable *"))))
    (cl-tty.backend:with-terminal (be w h)
          ;; stty -icanon -echo -ixon is set by the bash script.
          ;; We read directly from SBCL's stdin (fd 0) since the
          ;; terminal is in raw mode — no cat subprocess needed.
          (add-msg :system (format nil "* ~a backend ~dx~d *"
                                   (if (typep be 'cl-tty.backend:modern-backend) "modern" "simple")
                                   w h))
          ;; Initial dirty all to trigger first redraw in loop
           (setq w (or (and (numberp w) (> w 0) w) 80)
                 h (or (and (numberp h) (> h 0) h) 24))
          (loop while (st :running) do
               (dolist (ev (drain-queue))
                 (cond
                   ((eq (getf ev :type) :daemon)
                    (on-daemon-msg (getf ev :payload)))
                    ((eq (getf ev :type) :disconnected)
                     (setf (st :connected) nil
                           (st :busy) nil)
                     (add-msg :system "* Connection lost — type /reconnect to retry *"))
                    ((eq (getf ev :type) :key)
                     (let* ((payload (getf ev :payload))
                            (ch (getf payload :ch)))
                       (case ch
                         (:CTRL-Q (setf (st :running) nil))
                          (:CTRL-P (unified-menu-show))
                          (:CTRL-B (setf (st :sidebar-visible) (not (st :sidebar-visible)))
                                   (setf (st :dirty) (list t t t)))
                         (:CTRL-L (setf (st :dirty) (list t t t)))
                         (t (if (st :dialog-stack)
                                (let* ((dlg (car (st :dialog-stack)))
                                       (sel (cl-tty.dialog:dialog-content dlg)))
                                  (cond
                                     ((eql ch :escape)
                                      (pop (st :dialog-stack))
                                      (setf (st :dirty) (list t t nil)))
                                    ((member ch '(:up :down))
                                     (if (eql ch :up)
                                         (cl-tty.select:select-prev sel)
                                         (cl-tty.select:select-next sel)))
                                    ((member ch '(:enter 13 10))
                                     (let* ((filtered (cl-tty.select:select-filtered-options sel))
                                            (idx (cl-tty.select:select-selected-index sel))
                                            (item (when (< idx (length filtered))
                                                    (third (nth idx filtered)))))
                                       (when item
                                         (let ((cb (cl-tty.select:select-on-select sel)))
                                           (when cb (funcall cb item))))))
                                     ((let ((chr (if (characterp ch) ch
                                                      (and (integerp ch) (<= 32 ch 126)
                                                           (code-char ch)))))
                                         (and chr (graphic-char-p chr))
                                        (setf (cl-tty.select:select-filter sel)
                                              (concatenate 'string
                                                (or (cl-tty.select:select-filter sel) "")
                                                (string chr)))))
                                    ((member ch '(:backspace 127 8))
                                     (let ((f (cl-tty.select:select-filter sel)))
                                       (when (> (length f) 0)
                                         (setf (cl-tty.select:select-filter sel)
                                               (subseq f 0 (1- f))))))))
                                (on-key ch))))))))
               ;; Check for terminal resize (SIGWINCH sets this flag)
               ;; Keyboard reader: block on cat pipe with 0.1s timeout.
               (handler-case
                   (sb-ext:with-timeout 0.1
                      (let ((raw-ch (read-char-no-hang *standard-input* nil nil)))
                       (when raw-ch
                         (let ((code (char-code raw-ch)))
                           (queue-event
                             (list :type :key
                                   :payload (list :code code
                                                  :ch (cond
                                                        ((= code 13) :enter)
                                                        ((= code 10) :enter)
                                                        ((= code 27) :escape)
                                                        ((= code 9) :tab)
                                                        ((or (= code 127) (= code 8)) :backspace)
                                                        ((and (>= code 1) (<= code 26))
                                                         (intern
                                                           (string-upcase
                                                             (format nil "CTRL-~a"
                                                                     (code-char (+ #x60 code))))
                                                           :keyword))
                                                        (t code)))))))))
                 (sb-ext:timeout ()))
               ;; Check for terminal resize (SIGWINCH sets this flag)
               (when (boundp 'cl-tty.input::*terminal-resized-p*)
                 (when cl-tty.input::*terminal-resized-p*
                   (setf cl-tty.input::*terminal-resized-p* nil)
                   (multiple-value-setq (w h) (cl-tty.backend:backend-size be))
                   (setq w (or (and (numberp w) (> w 0) w) 80)
                         h (or (and (numberp h) (> h 0) h) 24))
                   (setf (st :dirty) (list t t t))))
               ;; Guard w and h before render (resize or other code may have set them to nil)
               (setq w (or (and (numberp w) (> w 0) w) 80)
                     h (or (and (numberp h) (> h 0) h) 24))
                               (when (and (or (first (st :dirty)) (second (st :dirty)) (third (st :dirty)))
                                         (null (st :dialog-stack)))
                (let* ((sidebar-w (if (and (st :sidebar-visible) (>= w 60))
                                       (or (st :sidebar-width) 30) 0))
                       (chat-w (- w sidebar-w)))
                  (cl-tty.backend:begin-sync be)
                  (cl-tty.backend:draw-rect be 0 0 w h :bg (theme-color :status-bg))
                  (view-status be w h)
                  (view-chat be w h)
                  ;; Draw separator line above input
                  (cl-tty.backend:draw-text be 0 (- h 4) (make-string chat-w :initial-element #\─)
                                            (theme-color :separator) nil)
                  (view-input be w h)
                  (when (and (st :sidebar-visible) (>= w 60))
                    (view-sidebar be w h))
                  (cl-tty.backend:end-sync be)
                  (setf (st :dirty) (list nil nil nil))))
               (let ((ds (st :dialog-stack)))
                  (when ds
                    (cl-tty.backend:begin-sync be)
                    (let* ((sidebar-w (if (and (st :sidebar-visible) (>= w 60))
                                           (or (st :sidebar-width) 30) 0))
                           (chat-w (- w sidebar-w))
                           (dlg (car ds))
                           (sel (cl-tty.dialog:dialog-content dlg))
                           (filtered (cl-tty.select:select-filtered-options sel))
                           (sel-idx (cl-tty.select:select-selected-index sel))
                           (cnt (length filtered))
                           (filter (cl-tty.select:select-filter sel))
                           (mh (min 15 (+ 1 cnt)))  ;; +1 for title
                           (top (max 0 (- h 4 mh))))
                      ;; Clear the minibuffer area
                      (dotimes (r (min (- h 3 top) h))
                        (cl-tty.backend:draw-rect be 0 (+ top r) chat-w 1
                                                   :bg (theme-color :status-bg)))
                      ;; Top border line with title
                      (cl-tty.backend:draw-text be 0 top
                                                (make-string chat-w :initial-element #\─)
                                                (theme-color :separator) nil)
                      (cl-tty.backend:draw-text be 1 top
                                                (cl-tty.dialog:dialog-title dlg)
                                                (theme-color :accent) nil)
                      ;; Options
                      (let ((y-off 1))
                        (dolist (item filtered)
                          (let* ((display-idx (first item))
                                 (option (third item))
                                 (title (getf option :title))
                                 (cat (getf option :category))
                                 (sel-p (eql display-idx sel-idx))
                                 (text (if cat (format nil "  ~a" title)
                                           (format nil " ~:[ ~;▸~] ~a" sel-p title)))
                                 (row (+ top y-off)))
                            (when (>= row (1- h)) (return))
                            (cl-tty.backend:draw-text be 1 row text
                                                      (cond (cat (theme-color :dim))
                                                            (sel-p (theme-color :accent))
                                                            (t (theme-color :agent-fg)))
                                                      nil :bold sel-p)
                            (incf y-off))))
                      ;; Filter prompt at h-3
                      (cl-tty.backend:draw-rect be 0 (- h 3) chat-w 1
                                                :bg (theme-color :status-bg))
                      (cl-tty.backend:draw-text be 0 (- h 3)
                                                (format nil "> ~a" (or filter ""))
                                                (theme-color :input-prompt) nil))
                    (cl-tty.backend:end-sync be))
                 (sleep 0.1))
               (progn (disconnect-daemon))))))

Test Suite

(eval-when (:compile-toplevel :load-toplevel :execute)
  (ql:quickload :fiveam :silent t))

(defpackage :passepartout-tui-tests
  (:use :cl :passepartout :passepartout.channel-tui)
  (:export #:tui-suite))

(in-package :passepartout-tui-tests)

(fiveam:def-suite tui-suite :description "Verification of the TUI model and event handling")
(fiveam:in-suite tui-suite)

(fiveam:test test-init-state
  "Contract model.1: init-state returns fresh state plist with required keys."
  (init-state)
  (fiveam:is (eq t (st :running)))
  (fiveam:is (eq :chat (st :mode)))
  (fiveam:is (eq nil (st :connected)))
  (fiveam:is (eq nil (st :stream)))
  (fiveam:is (zerop (length (st :messages))))
  (fiveam:is (eq 0 (st :scroll-offset)))
  (fiveam:is (eq nil (st :busy))))

(fiveam:test test-add-msg
  "Contract model.2: add-msg appends a message with role, content, and time."
  (init-state)
  (add-msg :user "hello")
  (let* ((msgs (st :messages))
         (msg (aref msgs 0)))
    (fiveam:is (eq :user (getf msg :role)))
    (fiveam:is (string= "hello" (getf msg :content)))
    (fiveam:is (stringp (getf msg :time)))
    (fiveam:is (= 5 (length (getf msg :time))))))

(fiveam:test test-add-msg-dirty-flag
  "Contract model.2: add-msg sets dirty flags for status and chat."
  (init-state)
  (setf (st :dirty) (list nil nil nil))
  (add-msg :system "boot")
  (let ((dirty (st :dirty)))
    (fiveam:is (eq t (first dirty)))
    (fiveam:is (eq t (second dirty)))
    (fiveam:is (eq nil (third dirty)))))

(fiveam:test test-queue-event-roundtrip
  "Contract model.3: queue-event + drain-queue preserves events in order."
  (init-state)
  (queue-event '(:type :key :payload (:ch 13)))
  (queue-event '(:type :daemon :payload (:text "hi")))
  (let ((evs (drain-queue)))
    (fiveam:is (= 2 (length evs)))
    (fiveam:is (equal '(:type :key :payload (:ch 13)) (first evs)))
    (fiveam:is (equal '(:type :daemon :payload (:text "hi")) (second evs)))
    (fiveam:is (null (drain-queue)))))

(fiveam:test test-on-key-enter-sends-user-message
  "Contract 1: on-key with Enter extracts input, adds user message, clears buffer."
  (init-state)
  ;; Simulate typing "test"
  (dolist (ch '(#\t #\e #\s #\t))
    (on-key (char-code ch)))
  (fiveam:is (string= "test" (input-string)))
  ;; Simulate Enter key — ncurses returns 343 (KEY_ENTER) when keypad is enabled
  (on-key 343)
  ;; Input buffer should be cleared
  (fiveam:is (string= "" (input-string)))
  ;; A user message should be in the message list
  (let ((msgs (st :messages)))
    (fiveam:is (>= (length msgs) 1))
    (let ((last (aref msgs 0)))
      (fiveam:is (eq :user (getf last :role)))
      (fiveam:is (string= "test" (getf last :content))))))

(fiveam:test test-on-key-eval-command
  "Contract 1: on-key handles /eval command and displays result."
  (init-state)
  ;; Type "/eval (+ 1 2)"
  (dolist (ch (coerce "/eval (+ 1 2)" 'list))
    (on-key (char-code ch)))
  (on-key 343)
  (let ((msgs (st :messages)))
    (fiveam:is (>= (length msgs) 1))
    (let ((last-msg (aref msgs 0)))
      (fiveam:is (eq :system (getf last-msg :role)))
      (fiveam:is (search "=> 3" (getf last-msg :content))))))

(fiveam:test test-on-key-backspace
  "Contract 1: on-key with Backspace removes last character from buffer."
  (init-state)
  (dolist (ch '(#\a #\b #\c))
    (on-key (char-code ch)))
  (fiveam:is (string= "abc" (input-string)))
  ;; ncurses returns 263 (KEY_BACKSPACE) when keypad is enabled
  (on-key 263)
  (fiveam:is (string= "ab" (input-string))))

(fiveam:test test-on-key-focus-command
  "Contract 1: /focus command parses project name."
  (init-state)
  (dolist (ch (coerce "/focus myapp" 'list))
    (on-key (char-code ch)))
  (on-key 343)
  (let ((msg (aref (st :messages) 0)))
    (fiveam:is (eq :system (getf msg :role)))))

(fiveam:test test-on-key-scope-command
  "Contract 1: /scope command with valid argument."
  (init-state)
  (dolist (ch (coerce "/scope memex" 'list))
    (on-key (char-code ch)))
  (on-key 343)
  (let ((msg (aref (st :messages) 0)))
    (fiveam:is (eq :system (getf msg :role)))))

(fiveam:test test-on-key-unfocus-command
  "Contract 1: /unfocus command dispatches correctly."
  (init-state)
  (dolist (ch (coerce "/unfocus" 'list))
    (on-key (char-code ch)))
  (on-key 343)
  (let ((msg (aref (st :messages) 0)))
    (fiveam:is (eq :system (getf msg :role)))))

(fiveam:test test-on-key-tab-completion
  "Contract 1: Tab completes / commands when input starts with /."
  (init-state)
  (dolist (ch (coerce "/ev" 'list))
    (on-key (char-code ch)))
  (on-key 9)
  (fiveam:is (string= "/eval " (input-string))))

(fiveam:test test-on-key-tab-no-slash
  "Contract 1: Tab does nothing when input doesn't start with /."
  (init-state)
  (dolist (ch (coerce "hello" 'list))
    (on-key (char-code ch)))
  (on-key 9)
  (fiveam:is (string= "hello" (input-string))))

(fiveam:test test-on-key-multiline
  "Contract 1: \\ + Enter inserts newline instead of sending."
  (init-state)
  (dolist (ch (coerce "line1" 'list))
    (on-key (char-code ch)))
  (on-key (char-code #\\))
  (on-key 343)
  (fiveam:is (search "line1" (input-string)))
  (fiveam:is (search (string #\Newline) (input-string))))

(fiveam:test test-on-key-help
  "Contract 1: /help displays command list."
  (init-state)
  (dolist (ch (coerce "/help" 'list))
    (on-key (char-code ch)))
  (on-key 343)
  (let ((msgs (st :messages)))
    (fiveam:is (>= (length msgs) 3))
    (fiveam:is (some (lambda (m) (search "/eval" (getf m :content))) msgs))))

(fiveam:test test-activity-indicator
  "Contract model: :busy flag is set on send and cleared on agent response."
  (init-state)
  (fiveam:is (eq nil (st :busy)))
  ;; Simulate sending a normal message (sets busy)
  (dolist (ch (coerce "hello" 'list))
    (on-key (char-code ch)))
  (on-key 343)
  (fiveam:is (eq t (st :busy)))
  ;; Simulate receiving an agent response (clears busy)
  (on-daemon-msg '(:type :event :payload (:text "hi back")))
  (fiveam:is (eq nil (st :busy))))

(fiveam:test test-theme
  "Contract view: *tui-theme* provides warm color mappings."
  (fiveam:is (string= "#FFB347" (getf *tui-theme* :user-fg)))
  (fiveam:is (string= "#E8D5B7" (getf *tui-theme* :agent-fg)))
  (fiveam:is (string= "#C8A87C" (getf *tui-theme* :system)))
  (fiveam:is (string= "#E8D5B7" (getf *tui-theme* :input-fg)))
  (fiveam:is (string= "#FFFFFF" (theme-color :unknown-role))))

(fiveam:test test-on-key-ctrl-u-clears
  "Contract v0.9.0: Ctrl+U (via dispatch-key-event) clears the input buffer."
  (init-state)
  (dolist (ch '(#\h #\i)) (on-key (char-code ch)))
  (cl-tty.input:dispatch-key-event
   (cl-tty.input:make-key-event :key :u :ctrl t :code 21))
  (fiveam:is (string= "" (input-string))))

(fiveam:test test-on-key-ctrl-l-redraws
  "Contract v0.9.0: Ctrl+L (via dispatch-key-event) sets all dirty flags."
  (init-state)
  (setf (st :dirty) (list nil nil nil))
  (cl-tty.input:dispatch-key-event
   (cl-tty.input:make-key-event :key :l :ctrl t :code 12))
  (let ((d (st :dirty)))
    (fiveam:is (eq t (first d)))
    (fiveam:is (eq t (second d)))))

(fiveam:test test-scroll-notify
  "Contract/v0.7.0: add-msg sets scroll-notify when scrolled up."
  (init-state)
  (setf (st :scroll-at-bottom) nil)
  (add-msg :agent "hi")
  (fiveam:is (eq t (st :scroll-notify)))
  (setf (st :scroll-at-bottom) t (st :scroll-notify) nil)
  (add-msg :agent "hi2")
  (fiveam:is (eq nil (st :scroll-notify))))

(fiveam:test test-tab-subcommand
  "Contract/v0.7.0: Tab completes subcommand for /theme."
  (init-state)
  (dolist (ch (coerce "/theme " 'list)) (on-key (char-code ch)))
  (on-key 9)
  (fiveam:is (search "amber" (input-string) :test #'char-equal)))

;; ── v0.7.1 Streaming ──

(fiveam:test test-stream-chunk-appends
  "Contract/v0.7.1: stream-chunk frame appends to last message."
  (init-state)
  (on-daemon-msg '(:type :stream-chunk :payload (:text "Hello")))
  (on-daemon-msg '(:type :stream-chunk :payload (:text " world")))
  (let ((msgs (st :messages)))
    (fiveam:is (= 1 (length msgs)))
    (let ((msg (aref msgs 0)))
      (fiveam:is (eq :agent (getf msg :role)))
      (fiveam:is (string= "Hello world" (getf msg :content)))
      (fiveam:is (eq t (getf msg :streaming))))))

(fiveam:test test-stream-chunk-final
  "Contract/v0.7.1: final empty chunk stamps timestamp and clears streaming flag."
  (init-state)
  (on-daemon-msg '(:type :stream-chunk :payload (:text "Hi")))
  (on-daemon-msg '(:type :stream-chunk :payload (:text "")))
  (let ((msg (aref (st :messages) 0)))
    (fiveam:is (stringp (getf msg :time)))
    (fiveam:is (string= "Hi" (getf msg :content)))
    (fiveam:is (null (st :streaming-text)))))

(fiveam:test test-stream-interrupt
  "Contract/v0.7.1: Esc during streaming appends [interrupted] and finalizes."
  (init-state)
  (on-daemon-msg '(:type :stream-chunk :payload (:text "partial")))
  (on-key 27)
  (let ((msg (aref (st :messages) 0)))
    (fiveam:is (stringp (getf msg :time)))
    (fiveam:is (search "[interrupted]" (getf msg :content)))
    (fiveam:is (null (st :streaming-text)))
    (fiveam:is (null (st :busy)))))

(fiveam:test test-stream-check-skip
  "Contract/v0.7.1: Esc without active streaming does nothing."
  (init-state)
  (on-key 27)
  (fiveam:is (null (st :streaming-text)))
  (fiveam:is (= 0 (length (st :messages)))))

(fiveam:test test-tab-open-url
  "Contract/v0.7.1: Tab on empty input with URL message extracts URL."
  (init-state)
  (add-msg :agent "visit https://example.com for info")
  (on-key 9)
  (fiveam:is (string= "https://example.com" (st :url-buffer))))

;; ── v0.7.2 HITL Panels ──

(fiveam:test test-hitl-panel-in-on-daemon-msg
  "Contract v0.7.2: approval-required messages render as HITL panels."
  (init-state)
  (on-daemon-msg '(:type :EVENT :level :approval-required
                    :payload (:sensor :approval-required
                              :action (:TYPE :REQUEST :PAYLOAD (:TOOL "shell"))
                              :message "rm -rf blocked")))
  (let ((m (aref (st :messages) 0)))
    (fiveam:is (eq :system (getf m :role)))
    (fiveam:is (getf m :panel))
    (fiveam:is (search "rm -rf" (getf m :content)))))

(fiveam:test test-hitl-panel-after-approve
  "Contract v0.7.2: /approve adds confirmation and marks panel resolved."
  (init-state)
  (on-daemon-msg '(:type :EVENT :level :approval-required
                    :payload (:sensor :approval-required :message "test")))
  (dolist (ch (coerce "/approve HITL-test" 'list))
    (on-key (char-code ch)))
  (on-key 13)
  ;; Panel message (index 0) should be marked resolved
  (let ((m (aref (st :messages) 0)))
    (fiveam:is (getf m :panel))
    (fiveam:is (eq :approved (getf m :panel-resolved))))
  ;; Last message should be the approval confirmation
  (let ((m (aref (st :messages) (1- (length (st :messages))))))
    (fiveam:is (search "Approved" (getf m :content)))))

(fiveam:test test-hitl-panel-after-deny
  "Contract v0.7.2: /deny marks panel as denied."
  (init-state)
  (on-daemon-msg '(:type :EVENT :level :approval-required
                    :payload (:sensor :approval-required :message "blocked")))
  (dolist (ch (coerce "/deny HITL-deny" 'list))
    (on-key (char-code ch)))
  (on-key 13)
  (let ((m (aref (st :messages) 0)))
    (fiveam:is (getf m :panel))
    (fiveam:is (eq :denied (getf m :panel-resolved)))))

(fiveam:test test-hitl-approve-parsed
  "Contract v0.7.2: /approve HITL-xxxx sends structured event, not raw text."
  (init-state)
  (dolist (ch (coerce "/approve HITL-abcd" 'list))
    (on-key (char-code ch)))
  (on-key 343)
  ;; Should add a system message confirming approval, not a user message
  (let ((msgs (st :messages)))
    (fiveam:is (>= (length msgs) 1))
    (let ((m (aref msgs 0)))
      (fiveam:is (eq :system (getf m :role)))
      (fiveam:is (search "Approved" (getf m :content))))))

(fiveam:test test-hitl-deny-parsed
  "Contract v0.7.2: /deny HITL-xxxx sends structured denial."
  (init-state)
  (dolist (ch (coerce "/deny HITL-xyz" 'list))
    (on-key (char-code ch)))
  (on-key 343)
  (let ((m (aref (st :messages) 0)))
    (fiveam:is (eq :system (getf m :role)))
    (fiveam:is (search "Denied" (getf m :content)))))

;; ── v0.7.2 Undo/Redo ──

(fiveam:test test-undo-command
  "Contract v0.7.2: /undo sends undo event."
  (init-state)
  (dolist (ch (coerce "/undo" 'list))
    (on-key (char-code ch)))
  (on-key 343)
  (let ((m (aref (st :messages) 0)))
    (fiveam:is (eq :system (getf m :role)))
    (fiveam:is (search "Undo" (getf m :content)))))

(fiveam:test test-redo-command
  "Contract v0.7.2: /redo sends redo event."
  (init-state)
  (dolist (ch (coerce "/redo" 'list))
    (on-key (char-code ch)))
  (on-key 343)
  (let ((m (aref (st :messages) 0)))
    (fiveam:is (eq :system (getf m :role)))
    (fiveam:is (search "Redo" (getf m :content)))))

;; ── v0.7.2 Self-help ──

(fiveam:test test-why-command
  "Contract v0.7.2: /why shows gate trace from last message."
  (init-state)
  (add-msg :agent "did something" :gate-trace '((:gate "shell" :result :blocked :reason "rm -rf")))
  (dolist (ch (coerce "/why" 'list))
    (on-key (char-code ch)))
  (on-key 13)
  (let* ((msgs (st :messages))
         (m (aref msgs (1- (length msgs)))))
    (fiveam:is (eq :system (getf m :role)))
    (fiveam:is (search "[BLOCKED]" (getf m :content)))
    (fiveam:is (search "shell" (getf m :content)))))

(fiveam:test test-why-no-trace
  "Contract v0.7.2: /why with no gate trace shows fallback message."
  (init-state)
  (dolist (ch (coerce "/why" 'list))
    (on-key (char-code ch)))
  (on-key 13)
  (let* ((msgs (st :messages))
         (m (aref msgs (1- (length msgs)))))
    (fiveam:is (search "No recent" (getf m :content)))))

;; ── v0.7.2 Gate Trace Toggle (Ctrl+G) ──

(fiveam:test test-ctrlg-toggle-gate-trace
  "Contract v0.9.0: Ctrl+G (via dispatch-key-event) toggles gate-trace collapse state."
  (init-state)
  (add-msg :agent "test" :gate-trace '((:gate "shell" :result :passed)))
  (cl-tty.input:dispatch-key-event
   (cl-tty.input:make-key-event :key :g :ctrl t :code 7))
  (let* ((msgs (st :messages))
         (m (aref msgs (1- (length msgs)))))
    (fiveam:is (search "hidden" (getf m :content))))
  (cl-tty.input:dispatch-key-event
   (cl-tty.input:make-key-event :key :g :ctrl t :code 7))
  (let* ((msgs (st :messages))
         (m (aref msgs (1- (length msgs)))))
    (fiveam:is (search "shown" (getf m :content)))))

(fiveam:test test-ctrlg-no-gate-trace
  "Contract v0.9.0: Ctrl+G (via dispatch-key-event) with no gate trace shows fallback."
  (init-state)
  (cl-tty.input:dispatch-key-event
   (cl-tty.input:make-key-event :key :g :ctrl t :code 7))
  (let ((m (aref (st :messages) 0)))
    (fiveam:is (search "No gate trace" (getf m :content)))))

;; ── v0.7.2 Message Search Mode ──

(fiveam:test test-search-mode-activate
  "Contract v0.7.2: /search enters search mode."
  (init-state)
  (add-msg :agent "hello world")
  (add-msg :agent "goodbye")
  (dolist (ch (coerce "/search hello" 'list))
    (on-key (char-code ch)))
  (on-key 13)
  (fiveam:is (eq t (st :search-mode)))
  (fiveam:is (string= "hello" (st :search-query)))
  (fiveam:is (= 1 (length (st :search-matches)))))

(fiveam:test test-search-mode-escape-exits
  "Contract v0.7.2: Escape exits search mode."
  (init-state)
  (add-msg :agent "test")
  (dolist (ch (coerce "/search test" 'list))
    (on-key (char-code ch)))
  (on-key 13)
  (fiveam:is (eq t (st :search-mode)))
  (on-key 27)  ;; Escape
  (fiveam:is (null (st :search-mode))))

(fiveam:test test-search-mode-up-down-nav
  "Contract v0.7.2: Up/Down navigates between search matches."
  (init-state)
  (add-msg :agent "aaa hello bbb")
  (add-msg :agent "ccc hello ddd")
  (add-msg :agent "no match here")
  (dolist (ch (coerce "/search hello" 'list))
    (on-key (char-code ch)))
  (on-key 13)
  (fiveam:is (= 0 (st :search-match-idx)))
  (on-key 258)  ;; Down
  (fiveam:is (= 1 (st :search-match-idx)))
  (on-key 259)  ;; Up
  (fiveam:is (= 0 (st :search-match-idx)))
  (on-key 259)  ;; Up (clamped)
  (fiveam:is (= 0 (st :search-match-idx))))

(fiveam:test test-context-sections
  "Contract v0.7.2: /context shows section breakdown with IDENTITY, TOOLS, LOGS."
  (init-state)
  (add-msg :agent "hello world")
  (dolist (ch (coerce "/context" 'list))
    (on-key (char-code ch)))
  (on-key 13)
  (let ((msgs (st :messages)))
    (fiveam:is (some (lambda (m) (search "IDENTITY" (getf m :content))) msgs))
    (fiveam:is (some (lambda (m) (search "LOGS" (getf m :content))) msgs))
    (fiveam:is (some (lambda (m) (search "TOOLS" (getf m :content))) msgs))))

(fiveam:test test-help-topic-lookup
  "Contract v0.7.2: /help <topic> reads and searches USER_MANUAL.org."
  (init-state)
  (dolist (ch (coerce "/help configuration" 'list))
    (on-key (char-code ch)))
  (on-key 13)
  (let ((msgs (st :messages)))
    (fiveam:is (some (lambda (m) (search ".env" (getf m :content))) msgs))))

(fiveam:test test-pads-page-up
  "Contract v0.7.2: PageUp scrolls by page size (> 5 lines)."
  (init-state)
  (dotimes (i 30) (add-msg :system (format nil "msg ~d" i)))
  (setf (st :scroll-offset) 0)
  (on-key :ppage)
  (fiveam:is (> (st :scroll-offset) 5) "Should scroll by more than 5 lines"))

(fiveam:test test-pads-page-down-clamp
  "Contract v0.7.2: PageDown clamps to 0."
  (init-state)
  (dotimes (i 5) (add-msg :system (format nil "msg ~d" i)))
  (setf (st :scroll-offset) 3)
  (on-key :npage)
  (fiveam:is (= 0 (st :scroll-offset))))

;; ── v0.8.0 Minibuffer ──

(fiveam:test test-slash-commands-defined
  "Contract v0.8.0: *slash-commands* is non-nil list of option plists."
  (fiveam:is (listp passepartout.channel-tui::*slash-commands*))
  (fiveam:is (> (length passepartout.channel-tui::*slash-commands*) 0))
  (fiveam:is (every (lambda (opt)
                      (and (getf opt :title) (getf opt :value) (getf opt :category)))
                    passepartout.channel-tui::*slash-commands*)))

(fiveam:test test-minibuffer-state
  "Contract v0.8.0: init-state has :dialog-stack and :minibuffer-active fields."
  (init-state)
  (fiveam:is (null (st :dialog-stack)))
  (fiveam:is (null (st :minibuffer-active))))

(fiveam:test test-command-palette-state
  "Contract v0.8.0: init-state has :command-palette-active and :command-palette-dialog as nil."
  (init-state)
  (fiveam:is (null (st :command-palette-active)))
  (fiveam:is (null (st :command-palette-dialog))))