nvim ftplugin tweaks

CONFIG/nvim/after/ftplugin/fugitive.lua

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+vim.opt_local.number = true
+vim.opt_local.relativenumber = true

CONFIG/nvim/after/ftplugin/javascript.lua

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+local bufname = vim.api.nvim_buf_get_name(0)
+local filename_arg = bufname ~= "" and (" --stdin-filepath " .. vim.fn.shellescape(bufname)) or ""
+
+-- Indentation & Layout
+vim.opt_local.colorcolumn = "100"
+vim.opt_local.textwidth = 100
+vim.opt_local.tabstop = 4
+vim.opt_local.shiftwidth = 4
+vim.opt_local.softtabstop = 4
+vim.opt_local.expandtab = true
+
+-- Formatting Behavior
+vim.opt_local.formatoptions:remove("t") -- Don't autowrap while typing
+vim.opt_local.formatoptions:append("j") -- Remove comment markers when joining lines
+
+-- gq Formatters (Prettier fallback, LSP primary)
+-- Prefers local/global binary first to avoid slow npx invocation overhead
+local prettier_bin = vim.fn.executable("prettier") == 1 and "prettier" or "npx prettier"
+vim.bo.formatprg = prettier_bin .. filename_arg
+vim.bo.formatexpr = "v:lua.vim.lsp.formatexpr()"

CONFIG/nvim/after/ftplugin/lua.lua

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+local bufname = vim.api.nvim_buf_get_name(0)
+local filename_arg = bufname ~= "" and ("--stdin-filepath " .. vim.fn.shellescape(bufname) .. " ") or ""
+
+-- Indentation & Layout
+vim.opt_local.colorcolumn = "120"
+vim.opt_local.textwidth = 120
+vim.opt_local.tabstop = 4
+vim.opt_local.shiftwidth = 4
+vim.opt_local.softtabstop = 4
+vim.opt_local.expandtab = true
+
+-- Formatting Behavior
+vim.opt_local.formatoptions:remove("t")
+vim.opt_local.formatoptions:append("j")
+
+-- gq Formatters (StyLua fallback, LSP primary)
+vim.bo.formatprg = "stylua " .. filename_arg .. "-"
+vim.bo.formatexpr = "v:lua.vim.lsp.formatexpr()"

CONFIG/nvim/after/ftplugin/markdown.lua

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+local bufname = vim.api.nvim_buf_get_name(0)
+local filename_arg = bufname ~= "" and (" --stdin-filepath " .. vim.fn.shellescape(bufname)) or ""
+
+-- Indentation & Layout
+vim.opt_local.colorcolumn = ""
+vim.opt_local.wrap = true
+vim.opt_local.textwidth = 80
+vim.opt_local.tabstop = 2
+vim.opt_local.shiftwidth = 2
+vim.opt_local.softtabstop = 2
+vim.opt_local.expandtab = true
+
+-- Formatting Behavior: wrap text, keep comment/quote headers, parse lists
+vim.opt_local.formatoptions:append("tqn")
+
+-- gq Formatter: Prettier handles links/parentheses cleanly; par as fallback
+if vim.fn.executable("prettier") == 1 then
+    vim.bo.formatprg = "prettier --parser markdown" .. filename_arg
+elseif vim.fn.executable("par") == 1 then
+    vim.bo.formatprg = "par -w80req"
+end

CONFIG/nvim/after/ftplugin/python.lua

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+local bufname = vim.api.nvim_buf_get_name(0)
+local filename_arg = bufname ~= "" and ("--stdin-filename " .. vim.fn.shellescape(bufname) .. " ") or ""
+
+-- Indentation & Layout
+vim.opt_local.colorcolumn = "100"
+vim.opt_local.textwidth = 100
+vim.opt_local.tabstop = 4
+vim.opt_local.shiftwidth = 4
+vim.opt_local.softtabstop = 4
+vim.opt_local.expandtab = true
+
+-- Formatting Behavior
+vim.opt_local.formatoptions:remove("t") -- Don't autowrap while typing
+vim.opt_local.formatoptions:append("j") -- Remove comment markers when joining lines
+
+-- gq Formatters (Ruff fallback, LSP primary)
+-- The trailing '-' is required for Ruff to read from stdin
+vim.bo.formatprg = "ruff format " .. filename_arg .. "-"
+vim.bo.formatexpr = "v:lua.vim.lsp.formatexpr()"