feat(status-ui): improve bridge recovery and desktop controls

noctalia-v5-plugin/pi-status-bridge/bridge.luau

@@ -16,16 +16,58 @@ local function socket_path()
   return runtime .. "/pi-status-bridge/bridge.sock"
 end
 
+local bridge_start_in_flight = false
+local pending_ui_open = false
+
 local function current_agent_id()
   return noctalia.state.get("agent_id")
 end
 
+local function open_ui()
+  local binary = shell_quote(ui_binary())
+  local command = "if test -x " .. binary .. "; then setsid -f env TMPDIR=/tmp "
+    .. binary .. " --toggle >/tmp/pi-status-ui.log 2>&1; else exit 1; fi"
+  noctalia.runAsync(command, function(result)
+    if result.exitCode ~= 0 then
+      barWidget.setGlyph("alert-triangle")
+      barWidget.setText("Pi UI unavailable")
+      barWidget.setTooltip("Build Pi Status UI or set PI_STATUS_UI_BINARY")
+    end
+  end)
+end
+
+local function start_bridge(open_after_start)
+  if open_after_start then pending_ui_open = true end
+  if bridge_start_in_flight then return end
+  bridge_start_in_flight = true
+  barWidget.setGlyph("terminal-2")
+  barWidget.setText("Pi starting")
+  barWidget.setTooltip("Bridge is starting")
+  noctalia.runAsync("systemctl --user start pi-status-bridge.service", function(result)
+    bridge_start_in_flight = false
+    if result.exitCode ~= 0 then
+      pending_ui_open = false
+      barWidget.setGlyph("alert-triangle")
+      barWidget.setText("Pi offline")
+      barWidget.setTooltip("Could not start pi-status-bridge.service")
+      return
+    end
+    if pending_ui_open then
+      pending_ui_open = false
+      open_ui()
+    end
+  end)
+end
+
 local function discover_home_agent(socket)
   if request_in_flight then return end
   request_in_flight = true
   noctalia.runAsync("pi-status-bridge-client --socket \"" .. socket .. "\" request '{\"op\":\"list_agents\"}'", function(result)
     request_in_flight = false
-    if result.exitCode ~= 0 then return end
+    if result.exitCode ~= 0 then
+      start_bridge(false)
+      return
+    end
     local home = noctalia.getenv("HOME")
     for id, worktree in string.gmatch(result.stdout, "\"id\":\"([^\"]+)\",\"worktreePath\":\"([^\"]+)\"") do
       if worktree == home then
@@ -42,9 +84,7 @@ function update()
   local agent_id = current_agent_id()
   local socket = socket_path()
   if socket == nil then
-    barWidget.setGlyph("alert-triangle")
-    barWidget.setText("Pi offline")
-    barWidget.setTooltip("Bridge socket is unavailable")
+    start_bridge(false)
     return
   end
   if agent_id == nil then
@@ -63,7 +103,7 @@ function update()
     request_in_flight = false
     if result.exitCode ~= 0 then
       noctalia.state.set("agent_id", nil)
-      discover_home_agent(socket)
+      start_bridge(false)
       barWidget.setGlyph("terminal-2")
       barWidget.setText("Pi reconnecting")
       barWidget.setTooltip("Refreshing the Home Pi agent")
@@ -77,13 +117,5 @@ function update()
 end
 
 function onClick()
-  local command = "setsid -f env TMPDIR=/tmp " .. shell_quote(ui_binary())
-    .. " --show >/tmp/pi-status-ui.log 2>&1"
-  noctalia.runAsync(command, function(result)
-    if result.exitCode ~= 0 then
-      barWidget.setGlyph("alert-triangle")
-      barWidget.setText("Pi UI unavailable")
-      barWidget.setTooltip("Build Pi Status UI or set PI_STATUS_UI_BINARY")
-    end
-  end)
+  start_bridge(true)
 end