add :LispSchool

fnl/config/init.fnl

@@ -35,6 +35,9 @@
 (keymap :n "<leader>bp" ":bprevious<CR>" {:desc "Previous buffer"})
 (keymap :n "<leader>bd" ":bdelete<CR>" {:desc "Delete buffer"})
 
+;; Copy to system clipboard
+(keymap [:n :v] "<leader>y" "\"+y" {:desc "Yank to clipboard"})
+
 ;; Clear search highlight
 (keymap :n "<Esc>" ":noh<CR>" {:desc "Clear search highlight"})
 
@@ -136,4 +139,13 @@
   (fn [] (vim.cmd (.. "edit " (vim.lsp.get_log_path))))
   {:desc "Open LSP log file"})
 
+;; LispSchool - Interactive structural editing tutorial
+(usercmd "LispSchool"
+  (fn [] (let [ls (require :lisp-school)] (ls.start)))
+  {:desc "Start LispSchool tutorial"})
+
+(usercmd "LispSchoolNext"
+  (fn [] (let [ls (require :lisp-school)] (ls.next)))
+  {:desc "Next LispSchool lesson"})
+
 {}

fnl/config/parinfer.fnl

@@ -0,0 +1,45 @@
+;; config/parinfer.fnl - Parinfer + vim-sexp insert mode coordination
+;;
+;; Single source of truth for whether parinfer is on/off by default
+;; and what that means for vim-sexp's auto-insert bracket mappings.
+;;
+;; When parinfer is ON:  it manages closing parens via indentation,
+;;                       so vim-sexp auto-insert is disabled.
+;; When parinfer is OFF: vim-sexp auto-insert is re-enabled so you
+;;                       get closing brackets when typing openers.
+
+;; ── Configuration ────────────────────────────────────────────────
+;; Change this single flag to flip the default for all sexp filetypes.
+
+(local default-enabled true)
+
+;; ── Implementation ───────────────────────────────────────────────
+
+(local sexp-insert-keys ["(" ")" "[" "]" "{" "}" "\"" "<BS>"])
+
+(fn enable-sexp-insert []
+  "Restore vim-sexp insert-mode bracket mappings in the current buffer."
+  (vim.cmd "imap <silent><buffer> (    <Plug>(sexp_insert_opening_round)")
+  (vim.cmd "imap <silent><buffer> )    <Plug>(sexp_insert_closing_round)")
+  (vim.cmd "imap <silent><buffer> [    <Plug>(sexp_insert_opening_square)")
+  (vim.cmd "imap <silent><buffer> ]    <Plug>(sexp_insert_closing_square)")
+  (vim.cmd "imap <silent><buffer> {    <Plug>(sexp_insert_opening_curly)")
+  (vim.cmd "imap <silent><buffer> }    <Plug>(sexp_insert_closing_curly)")
+  (vim.cmd "imap <silent><buffer> \"   <Plug>(sexp_insert_double_quote)")
+  (vim.cmd "imap <silent><buffer> <BS> <Plug>(sexp_insert_backspace)"))
+
+(fn disable-sexp-insert []
+  "Remove vim-sexp insert-mode bracket mappings from the current buffer."
+  (each [_ key (ipairs sexp-insert-keys)]
+    (pcall vim.api.nvim_buf_del_keymap 0 "i" key)))
+
+(fn toggle []
+  "Toggle parinfer in the current buffer and sync vim-sexp insert mappings."
+  (vim.cmd "ParinferToggle")
+  (let [on (= (vim.api.nvim_buf_get_var 0 "parinfer_enabled") 1)]
+    (if on
+      (disable-sexp-insert)
+      (enable-sexp-insert))))
+
+{:default-enabled default-enabled
+ :toggle toggle}