feat: improve wrapped-line editing and completion cancellation

Use word-boundary wrapping and count-aware displayed-line movement in ordinary buffers. Escape cancels Blink completion before falling back. Preserve the existing ergonomics check; it was not rerun during Git cleanup.

modules/capabilities/neovim/lua-config/lua/keymaps.lua

@@ -7,6 +7,12 @@ end
 vim.keymap.del("x", "gra")
 vim.keymap.del({ "i", "s" }, "<C-S>")
 
+for _, key in ipairs({ "j", "k" }) do
+  vim.keymap.set({ "n", "x" }, key, function()
+    return vim.bo.buftype == "" and vim.v.count == 0 and "g" .. key or key
+  end, { expr = true, desc = "Move by displayed line, or logical line with a count" })
+end
+
 vim.keymap.set("n", "<C-h>", "<C-w><C-h>", { desc = "Focus left window" })
 vim.keymap.set("n", "<C-j>", "<C-w><C-j>", { desc = "Focus lower window" })
 vim.keymap.set("n", "<C-k>", "<C-w><C-k>", { desc = "Focus upper window" })