diff --git a/nano-gpt.el b/nano-gpt.el
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-;;; nano-gpt-status.el --- Dashboard for Nano-GPT API -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2024  Nano-GPT Contributors
-
-;; Author: Nano-GPT Contributors
-;; Maintainer: Nano-GPT Contributors
-;; URL: https://github.com/nano-gpt/emacs
-;; Version: 0.1.0
-;; Package-Requires: ((emacs "28.1") (qrencode "0.1"))
-;; Keywords: convenience, api, dashboard
-
-;; This file is not part of GNU Emacs.
-
-;; This program is free software: you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation, either version 3 of the License, or
-;; (at your option) any later version.
-
-;; This program is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;; GNU General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-;;; Commentary:
-
-;; A dashboard for the Nano-GPT API showing models, usage, balance and deposits.
-
-;; Setup:
-;;   (require 'nano-gpt-status)
-;;   M-x nano-gpt-status
-;;
-;; Configure API key in auth-sources:
-;;   (add-to-list 'auth-sources '("nano-gpt.gpg" :host "nano-gpt.com"))
-
-;;; Code:
-
-(require 'url)
-(require 'json)
-(require 'auth-source)
-(require 'org)
-(require 'tabulated-list)
-(require 'hl-line)
-
-(declare-function qrencode-string "qrencode")
-
-(defgroup nano-gpt nil
-  "Dashboard for Nano-GPT API."
-  :group 'convenience
-  :prefix "nano-gpt-"
-  :link '(url-link :tag "GitHub" "https://github.com/nano-gpt/emacs"))
-
-(defcustom nano-gpt-api-base-url "https://nano-gpt.com/api"
-  "Base URL for Nano-GPT API."
-  :type 'string
-  :group 'nano-gpt)
-
-(defcustom nano-gpt-models-endpoint "/v1/models?detailed=true"
-  "Endpoint for fetching models."
-  :type 'string
-  :group 'nano-gpt)
-
-(defvar nano-gpt--window-config nil
-  "Saved window configuration before dashboard was shown.")
-
-(defun nano-gpt--get-api-key ()
-  "Get API key from auth-source for nano-gpt.com."
-  (let ((secret (auth-source-search :host "nano-gpt.com" :secret t)))
-    (when secret
-      (funcall (plist-get (car secret) :secret)))))
-
-;; --- Table 1: Fruits ---
-
-(defvar nano-gpt-fruits-mode-map
-  (let ((map (make-sparse-keymap)))
-    (set-keymap-parent map tabulated-list-mode-map)
-    (define-key map "q" #'nano-gpt-quit)
-    map))
-
-(define-derived-mode nano-gpt-fruits-mode tabulated-list-mode "Fruits"
-  "A table of fruits."
-  (setq tabulated-list-format [("Fruit" 15 t) ("Color" 10 t) ("Taste" 10 t)])
-  (setq tabulated-list-entries
-        '((1 ["Apple"  "Red"    "Sweet"])
-          (2 ["Banana" "Yellow" "Sweet"])
-          (3 ["Lemon"  "Yellow" "Sour"])
-          (4 ["Grape"  "Purple" "Sweet"])))
-  (tabulated-list-init-header)
-  (tabulated-list-print))
-
-;; --- Table 2: Models ---
-
-(defvar nano-gpt--models-data nil
-  "Cached models data from API.")
-
-(defun nano-gpt--aget (alist key)
-  "Safely get value from ALIST for KEY, returns nil if null."
-  (let ((val (cdr (assq key alist))))
-    (unless (eq val :null) val)))
-
-(defun nano-gpt--format-context-length (num)
-  "Format NUM as human-readable context length."
-  (if (numberp num)
-      (cond
-       ((>= num 1000000) (format "%.1fM" (/ num 1000000.0)))
-       ((>= num 1000) (format "%.0fK" (/ num 1000.0)))
-       (t (number-to-string num)))
-    "N/A"))
-
-(defun nano-gpt--format-pricing (prompt completion)
-  "Format pricing from PROMPT and COMPLETION values."
-  (if (and (numberp prompt) (numberp completion)
-           (eq prompt 0) (eq completion 0))
-      "Free"
-    (format "$%.2f/$%.2f"
-            (or prompt 0)
-            (or completion 0))))
-
-(defun nano-gpt--fetch-models-callback (status)
-  "Callback for async model fetching. STATUS is the url-retrieve status."
-  (unless (plist-get status :error)
-    (goto-char (point-min))
-    (re-search-forward "^$" nil t)
-    (let* ((json (json-parse-string (buffer-substring (point) (point-max)) :object-type 'alist))
-           (models (cdr (assq 'data json))))
-      (setq nano-gpt--models-data models)
-      (when (get-buffer "*Dashboard:Models*")
-        (with-current-buffer "*Dashboard:Models*"
-          (nano-gpt-models-mode)))
-      (message "Models loaded: %d entries" (length models)))))
-
-(defun nano-gpt--fetch-models-async ()
-  "Fetch models from Nano-GPT API asynchronously."
-  (url-retrieve
-   (concat nano-gpt-api-base-url nano-gpt-models-endpoint)
-   #'nano-gpt--fetch-models-callback
-   nil t t))
-
-;; --- Usage ---
-
-(defun nano-gpt--format-usage-time (epoch-ms)
-  "Format EPOCH-MS as human-readable local time."
-  (when epoch-ms
-    (format-time-string "%Y-%m-%d %H:%M" (/ epoch-ms 1000))))
-
-(defun nano-gpt--fetch-usage-callback (status)
-  "Callback for async usage fetching. STATUS is the url-retrieve status."
-  (unless (plist-get status :error)
-    (goto-char (point-min))
-    (re-search-forward "^$" nil t)
-    (let* ((json-str (buffer-substring (point) (point-max)))
-           (json (json-parse-string json-str :object-type 'alist))
-           (usage json)
-           (state (nano-gpt--aget usage 'state))
-           (active (nano-gpt--aget usage 'active))
-           (limits (nano-gpt--aget usage 'limits))
-           (weekly (nano-gpt--aget usage 'weeklyInputTokens))
-           (period (nano-gpt--aget usage 'period)))
-      (when (get-buffer "*Dashboard:Info*")
-        (with-current-buffer "*Dashboard:Info*"
-          (let ((inhibit-read-only t))
-            (goto-char (point-min))
-            (when (re-search-forward "^\\*\\* Usage" nil t)
-              (delete-region (match-beginning 0) (progn (forward-line) (point)))
-              (insert "** Usage\n")
-              (insert (format "- State: %s\n" (or state "N/A")))
-              (insert (format "- Active: %s\n\n" (if active "Yes" "No")))
-              (insert "*** Weekly Input Tokens\n")
-              (insert (format "- Used: %s / %s\n"
-                              (nano-gpt--aget weekly 'used)
-                              (nano-gpt--aget limits 'weeklyInputTokens)))
-              (insert (format "- Remaining: %s\n" (nano-gpt--aget weekly 'remaining)))
-              (insert (format "- Percent: %s%%\n"
-                              (let ((pct (nano-gpt--aget weekly 'percentUsed)))
-                                (when pct (format "%.2f" (* pct 100))))))
-              (insert (format "- Resets at: %s\n\n"
-                              (nano-gpt--format-usage-time (nano-gpt--aget weekly 'resetAt))))
-              (insert "*** Billing Period\n")
-              (insert (format "- Ends: %s\n"
-                              (let ((end (nano-gpt--aget period 'currentPeriodEnd)))
-                                (when end
-                                  (format-time-string "%Y-%m-%d %H:%M"
-                                                      (date-to-time end))))))))))
-      (message "Usage loaded"))))
-
-(defun nano-gpt--fetch-usage-async ()
-  "Fetch usage from Nano-GPT API asynchronously."
-  (let ((api-key (nano-gpt--get-api-key)))
-    (when api-key
-      (let ((url-request-extra-headers (list (cons "Authorization" (format "Bearer %s" api-key)))))
-        (url-retrieve
-         (concat nano-gpt-api-base-url "/subscription/v1/usage")
-         #'nano-gpt--fetch-usage-callback
-         nil nil t)))))
-
-;; --- Balance ---
-
-(defun nano-gpt--fetch-balance-callback (status)
-  "Callback for async balance fetching. STATUS is the url-retrieve status."
-  (unless (plist-get status :error)
-    (goto-char (point-min))
-    (re-search-forward "^$" nil t)
-    (let* ((json (json-parse-string (buffer-substring (point) (point-max)) :object-type 'alist))
-           (usd (nano-gpt--aget json 'usd_balance)))
-      (when (get-buffer "*Dashboard:Info*")
-        (with-current-buffer "*Dashboard:Info*"
-          (let ((inhibit-read-only t))
-            (goto-char (point-min))
-            (when (re-search-forward "^\\*\\* Balance" nil t)
-              (delete-region (match-beginning 0) (progn (forward-line) (point)))
-              (insert "** Balance\n")
-              (insert (format "- USD: $%s\n" (or usd "N/A")))))))
-      (message "Balance loaded"))))
-
-(defun nano-gpt--fetch-balance-async ()
-  "Fetch balance from Nano-GPT API asynchronously."
-  (let ((api-key (nano-gpt--get-api-key)))
-    (when api-key
-      (let ((url-request-method "POST")
-            (url-request-extra-headers (list (cons "x-api-key" api-key))))
-        (url-retrieve
-         (concat nano-gpt-api-base-url "/check-balance")
-         #'nano-gpt--fetch-balance-callback
-         nil nil t)))))
-
-;; --- Deposit ---
-
-(defun nano-gpt--create-deposit-callback (status)
-  "Callback for async deposit creation. STATUS is the url-retrieve status."
-  (unless (plist-get status :error)
-    (goto-char (point-min))
-    (re-search-forward "^$" nil t)
-    (let* ((json-str (buffer-substring (point) (point-max)))
-           (json (json-parse-string json-str :object-type 'alist))
-           (tx-id (nano-gpt--aget json 'txId))
-           (amount (nano-gpt--aget json 'amount))
-           (address (nano-gpt--aget json 'address)))
-      (when (get-buffer "*Dashboard:Info*")
-        (with-current-buffer "*Dashboard:Info*"
-          (let ((inhibit-read-only t))
-            (goto-char (point-max))
-            (insert (format "\n*** Deposit Created\n"))
-            (insert (format "- txId: %s\n" (or tx-id "N/A")))
-            (insert (format "- Amount: %s BTC\n" (or amount "N/A")))
-            (when address
-              (insert (format "- Invoice (raw):\n%s\n" address))
-              (insert (format "- Invoice (BOLT-11):\n"))
-              (insert (qrencode-string address))
-              (insert "\n"))
-            (insert "\n"))
-          (goto-char (point-min)))
-        (message "Deposit created: %s" tx-id)))))
-
-(defun nano-gpt--create-deposit-async (amount)
-  "Create BTC-LN deposit for AMOUNT."
-  (let ((api-key (nano-gpt--get-api-key)))
-    (when api-key
-      (let ((url-request-method "POST")
-            (url-request-extra-headers (list (cons "Authorization" (format "Bearer %s" api-key))
-                                            (cons "Content-Type" "application/json")))
-            (url-request-data (json-encode (list (cons 'amount amount)))))
-        (url-retrieve
-         (concat nano-gpt-api-base-url "/transaction/create/btc-ln")
-         #'nano-gpt--create-deposit-callback
-         nil nil t)))))
-
-(defun nano-gpt--deposit-button-action (_)
-  "Action for deposit button."
-  (let* ((satoshis (read-number "Enter amount in satoshis: "))
-         (amount (/ satoshis 100000000.0)))
-    (message "Creating BTC-LN deposit for %s satoshis (%s BTC)..." satoshis amount)
-    (nano-gpt--create-deposit-async amount)))
-
-(defun nano-gpt--insert-deposit-button ()
-  "Insert a deposit button in the current buffer."
-  (insert-text-button "[Deposit BTC-LN]"
-                      'action (lambda (_) (nano-gpt--deposit-button-action 0.00001))
-                      'follow-link t))
-
-;; --- Models Mode ---
-
-(defvar nano-gpt-models-mode-map
-  (let ((map (make-sparse-keymap)))
-    (set-keymap-parent map tabulated-list-mode-map)
-    (define-key map "q" #'nano-gpt-quit)
-    (define-key map "w" #'nano-gpt-models-copy-id)
-    map))
-
-(defun nano-gpt-models-copy-id ()
-  "Copy the ID of the current model to clipboard."
-  (interactive)
-  (when tabulated-list-entries
-    (let* ((entry (tabulated-list-get-entry))
-           (id (aref entry 1)))
-      (kill-new id)
-      (message "Copied: %s" id))))
-
-(define-derived-mode nano-gpt-models-mode tabulated-list-mode "Models"
-  "A table of Nano-GPT models."
-  (hl-line-mode 1)
-  (setq tabulated-list-format
-        [("Name" 30 t)
-         ("ID" 40 t)
-         ("Created" 10 t)
-         ("Ctx" 6 t :right-align t :pad-right 3)
-         ("Pricing" 18 t)])
-  (setq tabulated-list-sort-key (cons "Created" t))
-  (setq tabulated-list-entries
-        (mapcar
-         (lambda (model)
-           (let* ((pricing (nano-gpt--aget model 'pricing))
-                  (subscription (nano-gpt--aget model 'subscription))
-                  (has-sub (eq (nano-gpt--aget subscription 'included) t))
-                  (face (if has-sub '(:foreground "green") nil)))
-             (list (nano-gpt--aget model 'id)
-                   (vector
-                    (propertize (or (nano-gpt--aget model 'name) "N/A") 'font-lock-face face)
-                    (propertize (or (nano-gpt--aget model 'id) "N/A") 'font-lock-face face)
-                    (propertize (format-time-string "%Y-%m-%d" (nano-gpt--aget model 'created)) 'font-lock-face face)
-                    (propertize (nano-gpt--format-context-length (nano-gpt--aget model 'context_length)) 'font-lock-face face)
-                    (propertize (nano-gpt--format-pricing
-                                 (nano-gpt--aget pricing 'prompt)
-                                 (nano-gpt--aget pricing 'completion)) 'font-lock-face face)))))
-         nano-gpt--models-data))
-  (tabulated-list-init-header)
-  (tabulated-list-print))
-
-;; --- Quit function ---
-
-(defun nano-gpt-quit ()
-  "Quit the dashboard, restore previous window configuration, and kill buffers."
-  (interactive)
-  (dolist (buf (list (get-buffer "*Dashboard:Fruits*")
-                     (get-buffer "*Dashboard:Models*")
-                     (get-buffer "*Dashboard:Info*")))
-    (when buf (kill-buffer buf)))
-  (setq nano-gpt--models-data nil)
-  (when nano-gpt--window-config
-    (set-window-configuration nano-gpt--window-config)
-    (setq nano-gpt--window-config nil)))
-
-;; --- Main entry point ---
-
-;;;###autoload
-(defun nano-gpt-status ()
-  "Show a simple dashboard with two tables and an org buffer."
-  (interactive)
-  (setq nano-gpt--window-config (current-window-configuration))
-
-  (let ((fruits-buf (get-buffer-create "*Dashboard:Fruits*"))
-        (models-buf (get-buffer-create "*Dashboard:Models*"))
-        (org-buf (get-buffer-create "*Dashboard:Info*")))
-
-    (with-current-buffer fruits-buf
-      (nano-gpt-fruits-mode))
-
-    (with-current-buffer models-buf
-      (nano-gpt-models-mode))
-
-    (with-current-buffer org-buf
-      (let ((inhibit-read-only t))
-        (erase-buffer)
-        (org-mode)
-        (org-indent-mode 1)
-        (insert "* Dashboard\n\n")
-        (insert "Welcome to the *dashboard*!\n\n")
-        (insert "** Notes\n")
-        (insert "- Press ~q~ in any table to quit\n")
-        (insert "- Table 1 :: Fruits of the world\n")
-        (insert "- Table 2 :: Nano-GPT Models (loading...)\n\n")
-        (insert "** Usage\n\n")
-        (insert "** Balance\n\n")
-        (insert "** Deposit (BTC-LN)\n")
-        (nano-gpt--insert-deposit-button)
-        (insert "\n"))
-      (goto-char (point-min))
-      (use-local-map (let ((map (copy-keymap org-mode-map)))
-                       (define-key map "q" #'nano-gpt-quit)
-                       map)))
-
-    (delete-other-windows)
-    (let* ((top-left (selected-window))
-           (top-right (split-window-right))
-           (bottom (split-window-below (/ (window-height) 2))))
-      (set-window-buffer top-left fruits-buf)
-      (set-window-buffer top-right models-buf)
-      (set-window-buffer bottom org-buf))
-
-    (select-window (get-buffer-window fruits-buf)))
-
-  (nano-gpt--fetch-models-async)
-  (nano-gpt--fetch-usage-async)
-  (nano-gpt--fetch-balance-async))
-
-(provide 'nano-gpt-status)
-
-;;; nano-gpt-status.el ends here