Tray options implementation + Voice system rewrite + build fixes

crates/jarvis-core/src/time/structs.rs

@@ -0,0 +1,21 @@
+use chrono::Timelike;
+
+#[derive(Debug, Clone, Copy)]
+pub enum TimeOfDay {
+    Morning,  // 5:00 - 11:59
+    Day,      // 12:00 - 16:59
+    Evening,  // 17:00 - 21:59
+    Night,    // 22:00 - 4:59
+}
+
+impl TimeOfDay {
+    pub fn now() -> Self {
+        let hour = chrono::Local::now().hour();
+        match hour {
+            5..=11 => TimeOfDay::Morning,
+            12..=16 => TimeOfDay::Day,
+            17..=21 => TimeOfDay::Evening,
+            _ => TimeOfDay::Night,
+        }
+    }
+}