1 files changed, 72 insertions, 6 deletions

diff --git a/mail-overview/MailPanel.qml b/mail-overview/MailPanel.qml
index 7457fb2..0a7f36a 100644
--- a/mail-overview/MailPanel.qml
+++ b/mail-overview/MailPanel.qml
@@ -10,6 +10,7 @@
 // GNU General Public License for more details.
 
 import Quickshell
+import Quickshell.Io
 import Quickshell.Wayland
 import QtQuick
 
@@ -20,6 +21,45 @@ Scope {
     property string monitor: "DP-1"
     property bool open: false
 
+    // mail-watcher's heartbeat, written every 60s. Read once per open: the
+    // drawer is a LazyLoader, so closing and reopening rebuilds the FileView
+    // and reads the current file. Watch is deliberately not used, because the
+    // heartbeat is written by atomic replace (tmpfile + rename) and an inotify
+    // watch held on the old inode dies with it.
+    property bool watcherAlive: false
+    property int watcherDead: 0
+    property int watcherExpected: 0
+
+    // The same staleness rule as mail-watcher's heartbeat_is_healthy: dead
+    // threads or a heartbeat older than 300s mean the watcher needs a look.
+    // Backoff is healthy, so it never turns the dot.
+    function readHeartbeat(payload) {
+        root.watcherAlive = false;
+        root.watcherDead = 0;
+        root.watcherExpected = 0;
+
+        let data = null;
+        try { data = JSON.parse(payload); } catch (e) { return; }
+        if (!data || typeof data.ts !== "string") return;
+
+        const ts = Date.parse(data.ts);
+        if (isNaN(ts) || (Date.now() - ts) / 1000 > 300) return;
+
+        root.watcherAlive = true;
+        root.watcherDead = Number(data.dead) || 0;
+        root.watcherExpected = Number(data.expected) || 0;
+    }
+
+    readonly property color watcherColor:
+        !watcherAlive ? Theme.red
+        : watcherDead > 0 ? Theme.yellow
+        : Theme.green
+
+    readonly property string watcherText:
+        !watcherAlive ? "watcher not running"
+        : watcherDead > 0 ? `${watcherDead} folder(s) dead, check the log`
+        : `watcher ok · ${watcherExpected} folders`
+
     readonly property var screenObj:
         Quickshell.screens.find(s => s.name === root.monitor) ?? Quickshell.screens[0]
 
@@ -95,6 +135,13 @@ Scope {
                 // the drawer.
                 MouseArea { anchors.fill: parent }
 
+                FileView {
+                    id: heartbeat
+                    path: `${Quickshell.env("HOME")}/.local/state/mail-watcher.heartbeat`
+                    onLoaded: root.readHeartbeat(text())
+                    onLoadFailed: root.readHeartbeat("")
+                }
+
                 Column {
                     id: content
                     anchors { left: parent.left; right: parent.right; top: parent.top; margins: 16 }
@@ -230,17 +277,36 @@ Scope {
 
                     Rectangle { width: parent.width; height: 1; color: Qt.alpha(Theme.text, 0.12) }
 
+                    // Watcher health, above the button. Green when idling,
+                    // yellow when a folder gave up, red when there is no fresh
+                    // heartbeat at all.
+                    Item {
+                        width: parent.width
+                        implicitHeight: 22
+
+                        Rectangle {
+                            id: watcherDot
+                            anchors.verticalCenter: parent.verticalCenter
+                            width: 8; height: 8; radius: 4
+                            color: root.watcherColor
+                        }
+
+                        Text {
+                            anchors { left: watcherDot.right; leftMargin: 10; verticalCenter: parent.verticalCenter }
+                            text: root.watcherText
+                            color: Theme.subtext
+                            font.family: Theme.fontFamily
+                            font.pixelSize: Theme.fontSize - 2
+                        }
+                    }
+
+                    Rectangle { width: parent.width; height: 1; color: Qt.alpha(Theme.text, 0.12) }
+
                     Row {
                         anchors.right: parent.right
                         spacing: 10
 
                         Button {
-                            text: Accounts.syncing ? "Syncing..." : "Sync now"
-                            enabled: !Accounts.syncing
-                            onClicked: Accounts.sync()
-                        }
-
-                        Button {
                             text: "Open qtmaildir"
                             onClicked: { Accounts.openClient(); root.close(); }
                         }