Pace tick, ETA & burn-rate alerts

Cargo.toml

@@ -35,6 +35,8 @@ features = [
     "Win32_UI_Accessibility",
     "Win32_System_Registry",
     "Win32_System_Threading",
+    "Win32_System_Time",
+    "Win32_Storage_FileSystem",
     "Win32_Security",
     "Win32_UI_Input_KeyboardAndMouse",
     "Win32_UI_HiDpi",

src/localization/dutch.rs

@@ -46,5 +46,14 @@ pub(super) const STRINGS: Strings = Strings {
     antigravity_token_expired_body: "Open Antigravity en meld je opnieuw aan. Ververs of herstart de app daarna.",
     codex_window_title: "Codex-gebruiksmonitor",
     antigravity_window_title: "Antigravity-gebruiksmonitor",
+    resets_at_label: "resets",
+    left_at_rate_label: "left at this rate",
+    alerts_menu: "Usage alerts",
+    alert_off: "Off",
+    alert_at_90: "At 90%",
+    alert_at_80_90: "At 80% & 90%",
+    alert_pace: "Pacing to run out",
+    alert_balloon_title: "Usage running low",
+    alert_balloon_body: "You're pacing to run out before your quota resets.",
     second_suffix: "s",
 };

src/localization/english.rs

@@ -46,5 +46,14 @@ pub(super) const STRINGS: Strings = Strings {
     antigravity_token_expired_body: "Open Antigravity and sign in again. After that, refresh or restart this app.",
     codex_window_title: "Codex Usage Monitor",
     antigravity_window_title: "Antigravity Usage Monitor",
+    resets_at_label: "resets",
+    left_at_rate_label: "left at this rate",
+    alerts_menu: "Usage alerts",
+    alert_off: "Off",
+    alert_at_90: "At 90%",
+    alert_at_80_90: "At 80% & 90%",
+    alert_pace: "Pacing to run out",
+    alert_balloon_title: "Usage running low",
+    alert_balloon_body: "You're pacing to run out before your quota resets.",
     second_suffix: "s",
 };

src/localization/french.rs

@@ -46,5 +46,14 @@ pub(super) const STRINGS: Strings = Strings {
     antigravity_token_expired_body: "Ouvrez Antigravity et reconnectez-vous. Ensuite, actualisez ou redemarrez cette application.",
     codex_window_title: "Moniteur d'utilisation Codex",
     antigravity_window_title: "Moniteur d'utilisation Antigravity",
+    resets_at_label: "resets",
+    left_at_rate_label: "left at this rate",
+    alerts_menu: "Usage alerts",
+    alert_off: "Off",
+    alert_at_90: "At 90%",
+    alert_at_80_90: "At 80% & 90%",
+    alert_pace: "Pacing to run out",
+    alert_balloon_title: "Usage running low",
+    alert_balloon_body: "You're pacing to run out before your quota resets.",
     second_suffix: "s",
 };

src/localization/german.rs

@@ -46,5 +46,14 @@ pub(super) const STRINGS: Strings = Strings {
     antigravity_token_expired_body: "Offnen Sie Antigravity und melden Sie sich erneut an. Aktualisieren oder starten Sie diese App anschliessend neu.",
     codex_window_title: "Codex-Nutzungsmonitor",
     antigravity_window_title: "Antigravity-Nutzungsmonitor",
+    resets_at_label: "resets",
+    left_at_rate_label: "left at this rate",
+    alerts_menu: "Usage alerts",
+    alert_off: "Off",
+    alert_at_90: "At 90%",
+    alert_at_80_90: "At 80% & 90%",
+    alert_pace: "Pacing to run out",
+    alert_balloon_title: "Usage running low",
+    alert_balloon_body: "You're pacing to run out before your quota resets.",
     second_suffix: "s",
 };

src/localization/japanese.rs

@@ -46,5 +46,14 @@ pub(super) const STRINGS: Strings = Strings {
     antigravity_token_expired_body: "Antigravity を開いて再度サインインしてください。その後、このアプリを更新するか再起動してください。",
     codex_window_title: "Codex 使用量モニター",
     antigravity_window_title: "Antigravity 使用量モニター",
+    resets_at_label: "resets",
+    left_at_rate_label: "left at this rate",
+    alerts_menu: "Usage alerts",
+    alert_off: "Off",
+    alert_at_90: "At 90%",
+    alert_at_80_90: "At 80% & 90%",
+    alert_pace: "Pacing to run out",
+    alert_balloon_title: "Usage running low",
+    alert_balloon_body: "You're pacing to run out before your quota resets.",
     second_suffix: "秒",
 };

src/localization/korean.rs

@@ -46,5 +46,14 @@ pub(super) const STRINGS: Strings = Strings {
     antigravity_token_expired_body: "Antigravity를 열고 다시 로그인하세요. 그런 다음 이 앱을 새로 고치거나 다시 시작하세요.",
     codex_window_title: "Codex 사용량 모니터",
     antigravity_window_title: "Antigravity 사용량 모니터",
+    resets_at_label: "resets",
+    left_at_rate_label: "left at this rate",
+    alerts_menu: "Usage alerts",
+    alert_off: "Off",
+    alert_at_90: "At 90%",
+    alert_at_80_90: "At 80% & 90%",
+    alert_pace: "Pacing to run out",
+    alert_balloon_title: "Usage running low",
+    alert_balloon_body: "You're pacing to run out before your quota resets.",
     second_suffix: "초",
 };

src/localization/mod.rs

@@ -189,6 +189,15 @@ pub struct Strings {
     pub antigravity_token_expired_body: &'static str,
     pub codex_window_title: &'static str,
     pub antigravity_window_title: &'static str,
+    pub resets_at_label: &'static str,
+    pub left_at_rate_label: &'static str,
+    pub alerts_menu: &'static str,
+    pub alert_off: &'static str,
+    pub alert_at_90: &'static str,
+    pub alert_at_80_90: &'static str,
+    pub alert_pace: &'static str,
+    pub alert_balloon_title: &'static str,
+    pub alert_balloon_body: &'static str,
 }
 
 pub fn resolve_language(language_override: Option<LanguageId>) -> LanguageId {

src/localization/portuguese_brazil.rs

@@ -47,4 +47,13 @@ pub(super) const STRINGS: Strings = Strings {
     antigravity_token_expired_body: "Abra o Antigravity e entre novamente. Depois disso, atualize ou reinicie este aplicativo.",
     codex_window_title: "Monitor de uso do Codex",
     antigravity_window_title: "Monitor de uso do Antigravity",
+    resets_at_label: "resets",
+    left_at_rate_label: "left at this rate",
+    alerts_menu: "Usage alerts",
+    alert_off: "Off",
+    alert_at_90: "At 90%",
+    alert_at_80_90: "At 80% & 90%",
+    alert_pace: "Pacing to run out",
+    alert_balloon_title: "Usage running low",
+    alert_balloon_body: "You're pacing to run out before your quota resets.",
 };

src/localization/russian.rs

@@ -47,4 +47,13 @@ pub(super) const STRINGS: Strings = Strings {
     antigravity_token_expired_body: "Откройте Antigravity и войдите снова. После этого обновите или перезапустите приложение.",
     codex_window_title: "Монитор использования Codex",
     antigravity_window_title: "Монитор использования Antigravity",
+    resets_at_label: "resets",
+    left_at_rate_label: "left at this rate",
+    alerts_menu: "Usage alerts",
+    alert_off: "Off",
+    alert_at_90: "At 90%",
+    alert_at_80_90: "At 80% & 90%",
+    alert_pace: "Pacing to run out",
+    alert_balloon_title: "Usage running low",
+    alert_balloon_body: "You're pacing to run out before your quota resets.",
 };

src/localization/simplified_chinese.rs

@@ -46,5 +46,14 @@ pub(super) const STRINGS: Strings = Strings {
     antigravity_token_expired_body: "请打开 Antigravity 并重新登录。完成后，请刷新或重新启动此应用程序。",
     codex_window_title: "Codex 使用量监控",
     antigravity_window_title: "Antigravity 使用量监控",
+    resets_at_label: "resets",
+    left_at_rate_label: "left at this rate",
+    alerts_menu: "Usage alerts",
+    alert_off: "Off",
+    alert_at_90: "At 90%",
+    alert_at_80_90: "At 80% & 90%",
+    alert_pace: "Pacing to run out",
+    alert_balloon_title: "Usage running low",
+    alert_balloon_body: "You're pacing to run out before your quota resets.",
     second_suffix: "秒",
 };

src/localization/spanish.rs

@@ -46,5 +46,14 @@ pub(super) const STRINGS: Strings = Strings {
     antigravity_token_expired_body: "Abre Antigravity e inicia sesion otra vez. Despues, actualiza o reinicia esta aplicacion.",
     codex_window_title: "Monitor de uso de Codex",
     antigravity_window_title: "Monitor de uso de Antigravity",
+    resets_at_label: "resets",
+    left_at_rate_label: "left at this rate",
+    alerts_menu: "Usage alerts",
+    alert_off: "Off",
+    alert_at_90: "At 90%",
+    alert_at_80_90: "At 80% & 90%",
+    alert_pace: "Pacing to run out",
+    alert_balloon_title: "Usage running low",
+    alert_balloon_body: "You're pacing to run out before your quota resets.",
     second_suffix: "s",
 };

src/localization/traditional_chinese.rs

@@ -46,5 +46,14 @@ pub(super) const STRINGS: Strings = Strings {
     antigravity_token_expired_body: "請開啟 Antigravity 並重新登入。完成後，請重新整理或重新啟動此應用程式。",
     codex_window_title: "Codex 使用量監控",
     antigravity_window_title: "Antigravity 使用量監控",
+    resets_at_label: "resets",
+    left_at_rate_label: "left at this rate",
+    alerts_menu: "Usage alerts",
+    alert_off: "Off",
+    alert_at_90: "At 90%",
+    alert_at_80_90: "At 80% & 90%",
+    alert_pace: "Pacing to run out",
+    alert_balloon_title: "Usage running low",
+    alert_balloon_body: "You're pacing to run out before your quota resets.",
     second_suffix: "秒",
 };

src/main.rs

@@ -4,6 +4,7 @@ mod diagnose;
 mod localization;
 mod models;
 mod native_interop;
+mod pace;
 mod poller;
 mod theme;
 mod tray_icon;

src/native_interop.rs

@@ -1,5 +1,7 @@
 use windows::core::PCWSTR;
-use windows::Win32::Foundation::{BOOL, HWND, LPARAM, RECT};
+use windows::Win32::Foundation::{BOOL, FILETIME, HWND, LPARAM, RECT, SYSTEMTIME};
+use windows::Win32::Storage::FileSystem::FileTimeToLocalFileTime;
+use windows::Win32::System::Time::FileTimeToSystemTime;
 use windows::Win32::UI::Accessibility::{SetWinEventHook, UnhookWinEvent, HWINEVENTHOOK};
 use windows::Win32::UI::Shell::{SHAppBarMessage, ABM_GETTASKBARPOS, APPBARDATA};
 use windows::Win32::UI::WindowsAndMessaging::*;
@@ -18,6 +20,7 @@ pub const TIMER_POLL: usize = 1;
 pub const TIMER_COUNTDOWN: usize = 2;
 pub const TIMER_RESET_POLL: usize = 3;
 pub const TIMER_UPDATE_CHECK: usize = 4;
+pub const TIMER_ALERT_FLASH: usize = 5;
 
 // Custom messages
 pub const WM_APP: u32 = 0x8000;
@@ -181,6 +184,29 @@ pub fn wide_str(s: &str) -> Vec<u16> {
     s.encode_utf16().chain(std::iter::once(0)).collect()
 }
 
+/// Returns local (hour_24, minute, day_of_week) for a UTC SystemTime.
+/// day_of_week: 0 = Sunday .. 6 = Saturday. None on conversion failure.
+pub fn system_time_to_local_hms(t: std::time::SystemTime) -> Option<(u32, u32, u16)> {
+    let secs = t.duration_since(std::time::UNIX_EPOCH).ok()?.as_secs();
+    // Win32 FILETIME is 100ns ticks since 1601-01-01; offset to unix epoch = 11644473600 s.
+    let ticks: u64 = (secs + 11_644_473_600) * 10_000_000;
+    let ft = FILETIME {
+        dwLowDateTime: (ticks & 0xFFFF_FFFF) as u32,
+        dwHighDateTime: (ticks >> 32) as u32,
+    };
+    unsafe {
+        let mut local_ft = FILETIME::default();
+        if FileTimeToLocalFileTime(&ft, &mut local_ft).is_err() {
+            return None;
+        }
+        let mut st = SYSTEMTIME::default();
+        if FileTimeToSystemTime(&local_ft, &mut st).is_err() {
+            return None;
+        }
+        Some((st.wHour as u32, st.wMinute as u32, st.wDayOfWeek))
+    }
+}
+
 /// COLORREF wrapper (RGB packed into u32)
 pub fn colorref(r: u8, g: u8, b: u8) -> u32 {
     r as u32 | (g as u32) << 8 | (b as u32) << 16