update wezterm format-tab-title event handler

add support for using wezterm's normal/suggested tab title for
certain processes

wezterm/wezterm.lua

@@ -13,6 +13,7 @@ config.hide_tab_bar_if_only_one_tab = true
 config.tab_bar_at_bottom = true
 config.use_fancy_tab_bar = false
 config.show_new_tab_button_in_tab_bar = false
+config.tab_max_width = 32
 config.enable_scroll_bar = true
 config.window_background_opacity = 0.8
 config.window_padding = {
@@ -99,6 +100,18 @@ local process_icons = {
 	["wget"] = wezterm.nerdfonts.mdi_arrow_down_box,
 }
 
+local process_use_suggested_title = {
+	["ssh"] = true,
+}
+
+local function get_suggested_tab_title(tab_info)
+	local title = tab_info.tab_title
+	if title and #title > 0 then
+		return title
+	end
+	return tab_info.active_pane.title
+end
+
 local function get_current_working_dir(tab)
 	local current_dir = tab.active_pane and tab.active_pane.current_working_dir or { file_path = "" }
 	local HOME_DIR = os.getenv("HOME")
@@ -116,7 +129,10 @@ local function get_process(tab)
 		process_name = "kubectl"
 	end
 
-	return process_icons[process_name] or string.format("[%s]", process_name)
+	return {
+		Icon = process_icons[process_name] or string.format("[%s]", process_name),
+		Process = process_name,
+	}
 end
 
 local SOLID_LEFT_ARROW = wezterm.nerdfonts.pl_right_hard_divider
@@ -138,7 +154,17 @@ wezterm.on("format-tab-title", function(tab, tabs, panes, config, hover, max_wid
 	})
 
 	local process = get_process(tab)
-	local title = process and string.format(" %s (%s) ", process, cwd) or " [?] "
+
+	local title
+	if process then
+		local sub_title = cwd
+		if process_use_suggested_title[process.Process] then
+			sub_title = get_suggested_tab_title(tab)
+		end
+
+		local icon = process.Icon or string.format("[%s]", process.Process)
+		title = string.format(" %s (%s) ", icon, sub_title)
+	end
 
 	if has_unseen_output then
 		return {