update mappings with telescope_tasks/rename_term bindings, remove custom_telescope

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

lua/custom_telescope.lua

@@ -1,13 +0,0 @@
-local telescope = require('telescope.builtin')
-
-local M = {}
-
-function M.search_markdown_tasks()
-    telescope.grep_string({
-        prompt_title = "Open Task List",
-        search = "- [ ]",  -- Customize if needed for specific task markers
-        cwd = vim.fn.expand('%:p:h')  -- Current file's directory
-    })
-end
-
-return M

lua/mappings.lua

@@ -9,10 +9,9 @@ map("i", "jk", "<ESC>")
 
 -- map({ "n", "i", "v" }, "<C-s>", "<cmd> w <cr>")
 
--- local custom_telescope = require('custom_telescope')
+-- open tasks / priority tasks vault-wide (telescope_tasks.lua)
-
+map('n', '<leader>tl', function() require('telescope_tasks').open_tasks() end, { desc = "telescope: open tasks" })
--- Add a keybinding for searching Markdown tasks
+map('n', '<leader>tL', function() require('telescope_tasks').priority_tasks() end, { desc = "telescope: priority tasks" })
-vim.api.nvim_set_keymap('n', '<leader>mt', ':lua require("custom_telescope").search_markdown_tasks()<CR>', { noremap = true, silent = true })
 -- Add a keybinding for calling ObsidianTag
 vim.api.nvim_set_keymap('n', '<leader>tt', ':ObsidianTag<CR>', { noremap = true, silent = true })
 -- Add a keybinding for calling ObsidianBacklinks
@@ -70,5 +69,10 @@ end, { desc = "Format buffer / selection" })
 vim.keymap.del({ "n", "t" }, "<A-h>")
 vim.keymap.del({ "n", "t" }, "<A-v>")
 
+-- Vault-wide find-and-replace with confirmation popup
+vim.keymap.set("n", "<leader>rn", function()
+  require("rename_term").run()
+end, { desc = "Rename term across vault (find → replace)" })
+
 -- td: time-track markdown todos — all in ~/setup_env/dotfiles/nvim/{td,td_mappings}.lua
 require("td_mappings")