diff --git a/.agents/skills/elliot-dotfiles/references/repository-map.md b/.agents/skills/elliot-dotfiles/references/repository-map.md
index f610bfec..64b72c1c 100644
--- a/.agents/skills/elliot-dotfiles/references/repository-map.md
+++ b/.agents/skills/elliot-dotfiles/references/repository-map.md
@@ -31,7 +31,7 @@ Environment selector restored to `~/.miserc.toml`. It detects Arch, Fedora, RHEL
 - `config/conf.d/packages.dnf.toml`: DNF-family packages/settings, including Fcitx5 packages.
 - `config/conf.d/packages.pacman.toml`: Pacman/Arch packages/settings, including Fcitx5 packages.
 - `config/conf.d/platform.omarchy.toml`: Omarchy-specific tracked theme files and theme bootstrap behavior.
-- `config/conf.d/platform.wsl.toml`: WSL behavior and Windows font bootstrap override.
+- `config/conf.d/platform.wsl.toml`: WSL behavior and Windows font/bootstrap integration override.
 - `config/conf.d/platform.wslg.toml`: WSLg-specific configuration.
 - `config/config.flatpak.toml`: Flatpak-specific bootstrap/update behavior.
 
@@ -44,13 +44,14 @@ These files are restored directly to their application paths and use `mode = "tr
 - `home/.config/yazi/`;
 - `home/.config/topgrade.toml` and `home/.config/topgrade.systemd.toml`;
 - `home/.config/ghostty/config`;
+- `home/.config/herdr/config.toml`;
 - `home/.config/omarchy/themed/gomi.yaml.tpl`, `home/.config/omarchy/themed-links.toml`, and `home/.config/omarchy/hooks/theme-set.d/50-themed-links`;
 - `home/.config/xdg-terminals.list`;
 - `home/.config/fcitx5/profile`;
 - `home/.config/environment.d/90-fcitx5.conf`;
 - `home/.local/share/mise-completions-sync/registry.toml`.
 
-Fcitx5 user configuration is shared across APT, DNF, and Pacman systems; only package installation stays package-manager-specific. `~/.gitconfig` is managed only through a block edit so machine-local identity is not synchronized.
+Herdr's tracked config routes agent completion/input notifications through the outer terminal with `[ui.toast] delivery = "terminal"`. Fcitx5 user configuration is shared across APT, DNF, and Pacman systems; only package installation stays package-manager-specific. `~/.gitconfig` is managed only through a block edit so machine-local identity is not synchronized.
 
 ## Bundled assets and scripts
 
@@ -59,8 +60,9 @@ Fcitx5 user configuration is shared across APT, DNF, and Pacman systems; only pa
 - `config/scripts/bootstrap-ghostty-fedora.sh`: Fedora Ghostty helper.
 - `config/scripts/bootstrap-windows.sh`: WSL-side wrapper that installs the Windows JetBrainsMono Nerd Font only.
 - `config/scripts/bootstrap-windows.ps1`: Windows-native WinGet font installer.
+- `config/scripts/bootstrap-windows-terminal.sh`: WSL-side Windows Terminal integration for keybindings and terminal-native notifications.
 - `config/scripts/tinty-windows-terminal.sh`: Tinty-side Windows Terminal integration; writes `tinty.json`, registers its JSONC import, and removes legacy `palette.json` state.
-- `config/scripts/ensure-windows-terminal-import.cjs`: JSONC editor used by the Tinty Windows Terminal helper.
+- `config/scripts/ensure-windows-terminal-import.cjs`: JSONC editor used by Windows Terminal integration helpers.
 - `config/scripts/tinty-theme-picker.sh`: platform-independent Gum-based Tinty scheme picker with apply/restore preview flow.
 - `config/scripts/login-github.sh`: GitHub login/configuration workflow.
 
diff --git a/.mise-history/manifest.json b/.mise-history/manifest.json
index aa35cb6e..93d7e9dc 100644
--- a/.mise-history/manifest.json
+++ b/.mise-history/manifest.json
@@ -67,6 +67,12 @@
       "encrypt": false,
       "variants": []
     },
+    {
+      "path": "home/.config/herdr/config.toml",
+      "autosave": true,
+      "encrypt": false,
+      "variants": []
+    },
     {
       "path": "home/.config/omarchy/hooks/theme-set.d/50-themed-links",
       "autosave": true,
diff --git a/README.md b/README.md
index a9a3f62d..b431b6c1 100644
--- a/README.md
+++ b/README.md
@@ -37,12 +37,14 @@ Omarchy 環境則直接使用 Omarchy 的主題系統，不需要另外使用 Ti
 
 ## Windows / WSL
 
-在 WSL bootstrap 時會一併安裝 Windows 端的 JetBrainsMono Nerd Font，並套用 Windows Terminal 快捷鍵；`Ctrl+Shift+Z` 會送出 Zsh redo 所需的 escape sequence。需要再次執行 Windows 整合 bootstrap 時可使用：
+在 WSL bootstrap 時會一併安裝 Windows 端的 JetBrainsMono Nerd Font，並套用 Windows Terminal 整合：`Ctrl+Shift+Z` 會送出 Zsh redo 所需的 escape sequence，也會啟用長時間 command 的原生桌面通知。需要再次執行 Windows 整合 bootstrap 時可使用：
 
 ```bash
 mise run bootstrap:windows
 ```
 
+Ghostty 與 Windows Terminal 會在長時間 command 完成後顯示通知，包含成功或失敗狀態、執行時間與原始 command；Windows Terminal 的 command-completion 通知不支援 tmux session，其他 terminal 也不額外啟用此通知。Herdr 會在 agent 完成或等待輸入時使用 terminal notification。
+
 ## 常用指令
 
 | 用途 | 指令 |
diff --git a/config/conf.d/platform.wsl.toml b/config/conf.d/platform.wsl.toml
index 56748fb2..4bb7ac61 100644
--- a/config/conf.d/platform.wsl.toml
+++ b/config/conf.d/platform.wsl.toml
@@ -1,11 +1,8 @@
 # WSL-specific mise configuration.
 # This fragment is loaded only when the `wsl` environment is active.
 
-[env]
-SHELDON_PROFILE = "wsl"
-
 [tasks."bootstrap:windows"]
-description = "Configure Windows font and Terminal keybinds"
+description = "Configure Windows font and Terminal integration"
 hide = false
 run = [
   "sh \"${MISE_CONFIG_DIR:-$HOME/.config/mise}/scripts/bootstrap-windows.sh\"",
diff --git a/config/config.toml b/config/config.toml
index 0d13bf4b..3b9c68a6 100644
--- a/config/config.toml
+++ b/config/config.toml
@@ -120,6 +120,7 @@ fc-cache -f "$font_dir"
 "~/.config/topgrade.toml" = { mode = "track" }
 "~/.config/topgrade.systemd.toml" = { mode = "track" }
 "~/.config/ghostty/config" = { mode = "track" }
+"~/.config/herdr/config.toml" = { mode = "track" }
 "~/.config/xdg-terminals.list" = { mode = "track" }
 "~/.config/fcitx5/profile" = { mode = "track" }
 "~/.config/environment.d/90-fcitx5.conf" = { mode = "track" }
diff --git a/config/hk.pkl b/config/hk.pkl
index 5612e9a3..16d32f95 100644
--- a/config/hk.pkl
+++ b/config/hk.pkl
@@ -70,13 +70,19 @@ local checks = new Mapping<String, Step> {
     )
     check = "zsh -n {{files}}"
   }
-  ["wsl-notify"] {
+  ["terminal-notify"] {
     glob = List(
-      "../home/.config/sheldon/plugins/wsl-notify.plugin.zsh",
-      "scripts/wsl-notify.ps1",
-      "tests/wsl-notify.zsh"
+      "../home/.config/herdr/config.toml",
+      "../home/.config/sheldon/plugins/terminal-notify.plugin.zsh",
+      "tests/terminal-notify.zsh",
+      "windows-terminal/notification.json"
     )
-    check = "zsh tests/wsl-notify.zsh"
+    check = """
+      set -e
+      zsh tests/terminal-notify.zsh
+      jq -e '.profiles.defaults["compatibility.allowOSC777"] == true' windows-terminal/notification.json >/dev/null
+      grep -Fxq 'delivery = "terminal"' ../home/.config/herdr/config.toml
+    """
   }
 }
 
diff --git a/config/scripts/bootstrap-windows-terminal.sh b/config/scripts/bootstrap-windows-terminal.sh
index fb788928..628b0013 100644
--- a/config/scripts/bootstrap-windows-terminal.sh
+++ b/config/scripts/bootstrap-windows-terminal.sh
@@ -3,14 +3,15 @@ set -eu
 
 jsonc_parser_version=3.3.1
 config_dir=${MISE_CONFIG_DIR:-$HOME/.config/mise}
-fragment="$config_dir/windows-terminal/keybind.json"
 editor_script="$config_dir/scripts/ensure-windows-terminal-import.cjs"
-import_name=keybind.json
 
-if [ ! -f "$fragment" ]; then
-  printf 'windows terminal bootstrap: keybind fragment was not found: %s\n' "$fragment" >&2
-  exit 1
-fi
+for import_name in keybind.json notification.json; do
+  fragment="$config_dir/windows-terminal/$import_name"
+  if [ ! -f "$fragment" ]; then
+    printf 'windows terminal bootstrap: fragment was not found: %s\n' "$fragment" >&2
+    exit 1
+  fi
+done
 
 if [ ! -f "$editor_script" ]; then
   printf 'windows terminal bootstrap: JSONC editor was not found: %s\n' "$editor_script" >&2
@@ -85,14 +86,17 @@ do
 
   if [ "$found" = false ]; then
     if ! command -v node >/dev/null 2>&1 || ! command -v npm >/dev/null 2>&1; then
-      printf 'windows terminal bootstrap: node and npm are required to register %s\n' "$import_name" >&2
+      printf 'windows terminal bootstrap: node and npm are required to register terminal fragments\n' >&2
       exit 1
     fi
     ensure_jsonc_parser
     found=true
   fi
 
-  cp -f -- "$fragment" "$state_directory/$import_name"
-  NODE_PATH="$jsonc_node_path${NODE_PATH:+:$NODE_PATH}" \
-    node "$editor_script" "$settings_path" "$import_name"
+  for import_name in keybind.json notification.json; do
+    fragment="$config_dir/windows-terminal/$import_name"
+    cp -f -- "$fragment" "$state_directory/$import_name"
+    NODE_PATH="$jsonc_node_path${NODE_PATH:+:$NODE_PATH}" \
+      node "$editor_script" "$settings_path" "$import_name"
+  done
 done
diff --git a/config/scripts/wsl-notify.ps1 b/config/scripts/wsl-notify.ps1
deleted file mode 100644
index 2fb5e485..00000000
--- a/config/scripts/wsl-notify.ps1
+++ /dev/null
@@ -1,252 +0,0 @@
-param(
-    [Parameter(Mandatory = $true)][string] $Title,
-    [Parameter(Mandatory = $true)][string] $Message,
-    [string] $DistroName = ''
-)
-
-$ErrorActionPreference = 'Stop'
-Set-StrictMode -Version Latest
-
-# Exit codes consumed by wsl-notify.plugin.zsh:
-#   0  toast displayed
-#   10 Windows Terminal is focused; notification intentionally suppressed
-#   11 foreground state could not be determined; fail closed
-#   20 native toast delivery failed; the shell may fall back to BEL
-$ExitToastShown = 0
-$ExitFocused = 10
-$ExitFocusUnknown = 11
-$ExitDeliveryFailed = 20
-
-function Get-ForegroundProcessName {
-    try {
-        Add-Type -TypeDefinition @"
-using System;
-using System.Runtime.InteropServices;
-
-public static class ForegroundWindow {
-    [DllImport("user32.dll", SetLastError = true)]
-    public static extern IntPtr GetForegroundWindow();
-
-    [DllImport("user32.dll", SetLastError = true)]
-    public static extern uint GetWindowThreadProcessId(IntPtr window, out uint processId);
-}
-"@
-
-        $window = [ForegroundWindow]::GetForegroundWindow()
-        if ($window -eq [IntPtr]::Zero) {
-            return $null
-        }
-
-        $foregroundProcessId = [uint32]0
-        $threadId = [ForegroundWindow]::GetWindowThreadProcessId($window, [ref] $foregroundProcessId)
-        if ($threadId -eq 0 -or $foregroundProcessId -eq 0) {
-            return $null
-        }
-
-        return (Get-Process -Id $foregroundProcessId -ErrorAction Stop).ProcessName
-    }
-    catch {
-        return $null
-    }
-}
-
-function Get-NotificationAppId {
-    $startApps = @(Get-StartApps)
-
-    foreach ($candidate in @(
-        'Microsoft.WindowsTerminal_8wekyb3d8bbwe!App',
-        'Microsoft.WindowsTerminalPreview_8wekyb3d8bbwe!App'
-    )) {
-        if ($startApps.AppID -contains $candidate) {
-            return $candidate
-        }
-    }
-
-    $appId = $startApps |
-        Where-Object { $_.AppID -match '^Microsoft\.WindowsTerminal.*!App$' } |
-        Select-Object -First 1 -ExpandProperty AppID
-
-    if (-not [string]::IsNullOrWhiteSpace($appId)) {
-        return $appId
-    }
-
-    return $startApps |
-        Where-Object { $_.AppID -match 'PowerShell' } |
-        Select-Object -First 1 -ExpandProperty AppID
-}
-
-function Get-WslDistroIconPath {
-    param([string] $Name)
-
-    if ([string]::IsNullOrWhiteSpace($Name)) {
-        return $null
-    }
-
-    $roots = @(
-        ('\\wsl.localhost\{0}' -f $Name),
-        ('\\wsl$\{0}' -f $Name)
-    )
-
-    foreach ($root in $roots) {
-        $configPath = Join-Path -Path $root -ChildPath 'etc\wsl-distribution.conf'
-        if (-not (Test-Path -LiteralPath $configPath -PathType Leaf)) {
-            continue
-        }
-
-        try {
-            $section = ''
-            $linuxIconPath = $null
-
-            foreach ($rawLine in Get-Content -LiteralPath $configPath -ErrorAction Stop) {
-                $line = ($rawLine -split '[#;]', 2)[0].Trim()
-                if ($line.Length -eq 0) {
-                    continue
-                }
-
-                if ($line -match '^\[(?<Section>[^\]]+)\]$') {
-                    $section = $Matches['Section'].Trim()
-                    continue
-                }
-
-                if ($section -ieq 'shortcut' -and $line -match '^(?i:icon)\s*=\s*(?<Icon>.+)$') {
-                    $linuxIconPath = $Matches['Icon'].Trim()
-                    if (($linuxIconPath.StartsWith('"') -and $linuxIconPath.EndsWith('"')) -or
-                        ($linuxIconPath.StartsWith("'") -and $linuxIconPath.EndsWith("'"))) {
-                        $linuxIconPath = $linuxIconPath.Substring(1, $linuxIconPath.Length - 2)
-                    }
-                    break
-                }
-            }
-
-            if ([string]::IsNullOrWhiteSpace($linuxIconPath) -or -not $linuxIconPath.StartsWith('/')) {
-                continue
-            }
-
-            $relativePath = $linuxIconPath.TrimStart('/').Replace('/', '\')
-            $candidate = Join-Path -Path $root -ChildPath $relativePath
-            if (Test-Path -LiteralPath $candidate -PathType Leaf) {
-                return $candidate
-            }
-        }
-        catch {
-            continue
-        }
-    }
-
-    return $null
-}
-
-function Get-WslDistroIconUri {
-    param([string] $Name)
-
-    $sourcePath = Get-WslDistroIconPath -Name $Name
-    if ([string]::IsNullOrWhiteSpace($sourcePath)) {
-        return $null
-    }
-
-    $extension = [IO.Path]::GetExtension($sourcePath).ToLowerInvariant()
-    if ($extension -in @('.png', '.jpg', '.jpeg', '.svg')) {
-        return ([Uri] $sourcePath).AbsoluteUri
-    }
-
-    if ($extension -ne '.ico') {
-        return $null
-    }
-
-    try {
-        Add-Type -AssemblyName System.Drawing
-
-        $localAppData = [Environment]::GetFolderPath([Environment+SpecialFolder]::LocalApplicationData)
-        if ([string]::IsNullOrWhiteSpace($localAppData)) {
-            return $null
-        }
-
-        $cacheDirectory = Join-Path -Path $localAppData -ChildPath 'wsl-notify\icons'
-        [void] [IO.Directory]::CreateDirectory($cacheDirectory)
-
-        $sha256 = [Security.Cryptography.SHA256]::Create()
-        try {
-            $cacheKey = [Text.Encoding]::UTF8.GetBytes("$Name`0$sourcePath")
-            $hash = [BitConverter]::ToString($sha256.ComputeHash($cacheKey)).Replace('-', '').ToLowerInvariant()
-        }
-        finally {
-            $sha256.Dispose()
-        }
-
-        $cachePath = Join-Path -Path $cacheDirectory -ChildPath "$hash.png"
-        $sourceInfo = Get-Item -LiteralPath $sourcePath -ErrorAction Stop
-        $refreshCache = -not (Test-Path -LiteralPath $cachePath -PathType Leaf)
-        if (-not $refreshCache) {
-            $cacheInfo = Get-Item -LiteralPath $cachePath -ErrorAction Stop
-            $refreshCache = $cacheInfo.LastWriteTimeUtc -lt $sourceInfo.LastWriteTimeUtc
-        }
-
-        if ($refreshCache) {
-            $icon = New-Object -TypeName System.Drawing.Icon -ArgumentList @($sourcePath, 48, 48)
-            try {
-                $bitmap = $icon.ToBitmap()
-                try {
-                    $bitmap.Save($cachePath, [System.Drawing.Imaging.ImageFormat]::Png)
-                }
-                finally {
-                    $bitmap.Dispose()
-                }
-            }
-            finally {
-                $icon.Dispose()
-            }
-        }
-
-        return ([Uri] $cachePath).AbsoluteUri
-    }
-    catch {
-        return $null
-    }
-}
-
-$foregroundProcess = Get-ForegroundProcessName
-if ([string]::IsNullOrWhiteSpace($foregroundProcess)) {
-    exit $ExitFocusUnknown
-}
-
-if ($foregroundProcess -like 'WindowsTerminal*') {
-    exit $ExitFocused
-}
-
-try {
-    Add-Type -AssemblyName System.Runtime.WindowsRuntime
-    $null = [Windows.UI.Notifications.ToastNotificationManager, Windows.UI.Notifications, ContentType = WindowsRuntime]
-    $null = [Windows.UI.Notifications.ToastNotification, Windows.UI.Notifications, ContentType = WindowsRuntime]
-    $null = [Windows.Data.Xml.Dom.XmlDocument, Windows.Data.Xml.Dom.XmlDocument, ContentType = WindowsRuntime]
-
-    $appId = Get-NotificationAppId
-    if ([string]::IsNullOrWhiteSpace($appId)) {
-        throw 'No Start-menu AUMID suitable for WSL toast notifications was found.'
-    }
-
-    $document = [Windows.Data.Xml.Dom.XmlDocument]::new()
-    $document.LoadXml('<toast><visual><binding template="ToastGeneric"><text/><text/></binding></visual><audio src="ms-winsoundevent:Notification.Default"/></toast>')
-    $textNodes = $document.GetElementsByTagName('text')
-    [void] $textNodes.Item(0).AppendChild($document.CreateTextNode($Title))
-    [void] $textNodes.Item(1).AppendChild($document.CreateTextNode($Message))
-
-    $iconUri = Get-WslDistroIconUri -Name $DistroName
-    if (-not [string]::IsNullOrWhiteSpace($iconUri)) {
-        $binding = $document.SelectSingleNode('/toast/visual/binding')
-        $image = $document.CreateElement('image')
-        $image.SetAttribute('placement', 'appLogoOverride')
-        $image.SetAttribute('src', $iconUri)
-        if (-not [string]::IsNullOrWhiteSpace($DistroName)) {
-            $image.SetAttribute('alt', $DistroName)
-        }
-        [void] $binding.AppendChild($image)
-    }
-
-    $toast = [Windows.UI.Notifications.ToastNotification]::new($document)
-    [Windows.UI.Notifications.ToastNotificationManager]::CreateToastNotifier($appId).Show($toast)
-    exit $ExitToastShown
-}
-catch {
-    [Console]::Error.WriteLine("WSL notification failed: $($_.Exception.Message)")
-    exit $ExitDeliveryFailed
-}
diff --git a/config/tests/terminal-notify.zsh b/config/tests/terminal-notify.zsh
new file mode 100644
index 00000000..5174b1f4
--- /dev/null
+++ b/config/tests/terminal-notify.zsh
@@ -0,0 +1,88 @@
+#!/usr/bin/env zsh
+set -eu
+
+repo_root=${0:A:h:h:h}
+plugin="$repo_root/home/.config/sheldon/plugins/terminal-notify.plugin.zsh"
+test_root=$(mktemp -d)
+trap 'rm -rf "$test_root"' EXIT
+
+# Windows Terminal installs its own command lifecycle hooks in an interactive shell.
+WT_SESSION=ci TERM=xterm-256color zsh -f -i -c '
+  set -eu
+  plugin=$1
+  test_root=$2
+  typeset -ga preexec_functions precmd_functions
+  source "$plugin"
+
+  [[ ${preexec_functions[(r)_terminal_notify_preexec]-} == _terminal_notify_preexec ]]
+  [[ ${precmd_functions[(r)_terminal_notify_precmd]-} == _terminal_notify_precmd ]]
+  [[ $_terminal_notify_threshold == 5 ]]
+
+  _terminal_notify_elapsed 65
+  [[ $REPLY == "1m 5s" ]]
+
+  # Successful commands use a clean title and preserve the command in the body.
+  _terminal_notify_threshold=0
+  _terminal_notify_started=$EPOCHSECONDS
+  _terminal_notify_command=$'"'"'mise; run\nupdate'"'"'
+  _terminal_notify_elapsed() { REPLY="12s"; }
+  true
+  _terminal_notify_precmd >"$test_root/success.out"
+  output=$(<"$test_root/success.out")
+  [[ $output == $'"'"'\e]777;notify;Command finished · 12s;mise, run update\e\\'"'"' ]]
+
+  # Failed commands use the failure title.
+  _terminal_notify_started=$EPOCHSECONDS
+  _terminal_notify_command="cargo build --release"
+  _terminal_notify_elapsed() { REPLY="1m 5s"; }
+  set +e
+  false
+  _terminal_notify_precmd >"$test_root/failure.out"
+  set -e
+  output=$(<"$test_root/failure.out")
+  [[ $output == $'"'"'\e]777;notify;Command failed · 1m 5s;cargo build --release\e\\'"'"' ]]
+
+  # Commands below the threshold stay silent.
+  _terminal_notify_threshold=999999
+  _terminal_notify_started=$EPOCHSECONDS
+  _terminal_notify_command="true"
+  true
+  _terminal_notify_precmd >"$test_root/short.out"
+  [[ ! -s "$test_root/short.out" ]]
+' terminal-notify-test "$plugin" "$test_root"
+
+# Ghostty can inherit WT_SESSION from its parent Windows Terminal shell. The
+# actual terminal identity must win so Ghostty keeps only its native notifier.
+WT_SESSION=ci TERM_PROGRAM=ghostty TERM=xterm-ghostty zsh -f -i -c '
+  set -eu
+  plugin=$1
+  typeset -ga preexec_functions precmd_functions
+  source "$plugin"
+
+  [[ -z ${preexec_functions[(r)_terminal_notify_preexec]-} ]]
+  [[ -z ${precmd_functions[(r)_terminal_notify_precmd]-} ]]
+' terminal-notify-test "$plugin"
+
+# tmux passthrough is intentionally unsupported, so an inherited WT_SESSION
+# must not install hooks that would emit a sequence tmux consumes.
+WT_SESSION=ci TMUX=/tmp/tmux-test TERM=xterm-256color zsh -f -i -c '
+  set -eu
+  plugin=$1
+  typeset -ga preexec_functions precmd_functions
+  source "$plugin"
+
+  [[ -z ${preexec_functions[(r)_terminal_notify_preexec]-} ]]
+  [[ -z ${precmd_functions[(r)_terminal_notify_precmd]-} ]]
+' terminal-notify-test "$plugin"
+
+# Unsupported terminals are left untouched when the Windows Terminal marker is absent.
+TERM_PROGRAM=unknown-terminal TERM=xterm-256color zsh -f -i -c '
+  set -eu
+  plugin=$1
+  typeset -ga preexec_functions precmd_functions
+  unset WT_SESSION
+  source "$plugin"
+
+  [[ -z ${preexec_functions[(r)_terminal_notify_preexec]-} ]]
+  [[ -z ${precmd_functions[(r)_terminal_notify_precmd]-} ]]
+' terminal-notify-test "$plugin"
diff --git a/config/tests/wsl-notify.zsh b/config/tests/wsl-notify.zsh
deleted file mode 100644
index d92e0cbf..00000000
--- a/config/tests/wsl-notify.zsh
+++ /dev/null
@@ -1,76 +0,0 @@
-#!/usr/bin/env zsh
-set -eu
-
-repo_root=${0:A:h:h:h}
-plugin="$repo_root/home/.config/sheldon/plugins/wsl-notify.plugin.zsh"
-test_root=$(mktemp -d)
-trap 'rm -rf "$test_root"' EXIT
-mkdir -p "$test_root/bin"
-
-cat >"$test_root/bin/wslpath" <<'EOF'
-#!/bin/sh
-printf '%s\n' 'C:\\wsl-notify.ps1'
-EOF
-
-cat >"$test_root/bin/powershell.exe" <<'EOF'
-#!/bin/sh
-printf '%s\n' "$*" >>"$WSL_NOTIFY_TEST_LOG"
-exit "${WSL_NOTIFY_TEST_EXIT:-0}"
-EOF
-
-chmod +x "$test_root/bin/wslpath" "$test_root/bin/powershell.exe"
-
-export PATH="$test_root/bin:$PATH"
-export MISE_CONFIG_DIR="$repo_root/config"
-export WSL_DISTRO_NAME=ci
-export WT_SESSION=ci
-export WSL_NOTIFY_TEST_LOG="$test_root/powershell.log"
-unset TERM_PROGRAM
-rehash
-
-source "$plugin"
-
-[[ "$(bgnotify_appid)" == '__wsl_notify_dispatch__' ]]
-[[ "$bgnotify_termid" == '__wsl_notify_terminal_foreground__' ]]
-[[ ! -e "$WSL_NOTIFY_TEST_LOG" ]]
-
-for exit_code in 0 10 11; do
-  export WSL_NOTIFY_TEST_EXIT=$exit_code
-  output=$(bgnotify 'build finished' 'command completed' '')
-  [[ -z $output ]]
-done
-
-export WSL_NOTIFY_TEST_EXIT=20
-output=$(bgnotify 'build finished' 'command completed' '')
-[[ "$output" == $'\a' ]]
-[[ "$(wc -l <"$WSL_NOTIFY_TEST_LOG")" -eq 4 ]]
-[[ "$(grep -c -- '-DistroName ci' "$WSL_NOTIFY_TEST_LOG")" -eq 4 ]]
-
-# Exercise the Ghostty hook-removal path without depending on the runner's zsh
-# function installation. The fixture is loaded through zsh's real autoload
-# mechanism, just like add-zsh-hook is in an interactive shell.
-mkdir -p "$test_root/fpath"
-cat >"$test_root/fpath/add-zsh-hook" <<'EOF'
-local mode=$1 hook=$2 callback=$3
-[[ $mode == -d ]] || return 2
-
-case $hook in
-  preexec) preexec_functions=(${preexec_functions:#$callback}) ;;
-  precmd) precmd_functions=(${precmd_functions:#$callback}) ;;
-  *) return 2 ;;
-esac
-EOF
-
-zsh -f -c '
-  typeset -ga preexec_functions precmd_functions
-  preexec_functions=(bgnotify_begin)
-  precmd_functions=(bgnotify_end)
-  function bgnotify_begin {}
-  function bgnotify_end {}
-  fpath=("$2" $fpath)
-  export WSL_DISTRO_NAME=ci
-  export TERM_PROGRAM=ghostty
-  source "$1"
-  [[ -z ${preexec_functions[(r)bgnotify_begin]-} ]]
-  [[ -z ${precmd_functions[(r)bgnotify_end]-} ]]
-' zsh "$plugin" "$test_root/fpath"
diff --git a/config/windows-terminal/notification.json b/config/windows-terminal/notification.json
new file mode 100644
index 00000000..b53bcaf8
--- /dev/null
+++ b/config/windows-terminal/notification.json
@@ -0,0 +1,8 @@
+{
+  "$schema": "https://aka.ms/terminal-profiles-schema",
+  "profiles": {
+    "defaults": {
+      "compatibility.allowOSC777": true
+    }
+  }
+}
diff --git a/home/.config/herdr/config.toml b/home/.config/herdr/config.toml
new file mode 100644
index 00000000..516f87d3
--- /dev/null
+++ b/home/.config/herdr/config.toml
@@ -0,0 +1,2 @@
+[ui.toast]
+delivery = "terminal"
diff --git a/home/.config/sheldon/plugins.toml b/home/.config/sheldon/plugins.toml
index 6259a45a..d16f3f84 100644
--- a/home/.config/sheldon/plugins.toml
+++ b/home/.config/sheldon/plugins.toml
@@ -82,14 +82,8 @@ use = [
   "plugins/copypath/copypath.plugin.zsh",
 ]
 
-[plugins.bgnotify]
-github = "ohmyzsh/ohmyzsh"
-use = ["plugins/bgnotify/bgnotify.plugin.zsh"]
-profiles = ["wsl"]
-
-[plugins.wsl-notify]
+[plugins.terminal-notify]
 local = "~/.config/sheldon/plugins"
-profiles = ["wsl"]
 
 # Keep syntax highlighting last among plugins.
 [plugins.zsh-syntax-highlighting]
diff --git a/home/.config/sheldon/plugins/terminal-notify.plugin.zsh b/home/.config/sheldon/plugins/terminal-notify.plugin.zsh
new file mode 100644
index 00000000..9acefa58
--- /dev/null
+++ b/home/.config/sheldon/plugins/terminal-notify.plugin.zsh
@@ -0,0 +1,90 @@
+# Notify on long-running commands in Windows Terminal using OSC 777.
+# Ghostty handles command completion itself through OSC 133 shell integration,
+# while Herdr emits its own terminal notifications.
+
+[[ -o interactive ]] || return 0
+
+# Ghostty can inherit WT_SESSION when launched from a Windows Terminal WSL
+# shell. Prefer the actual terminal identity so its native command-finish
+# notifications are not duplicated by the Windows Terminal hook.
+[[ ${TERM_PROGRAM:-} == ghostty ]] && return 0
+
+# tmux notification passthrough is intentionally outside this notifier's scope.
+[[ -n ${TMUX:-} ]] && return 0
+[[ -n ${WT_SESSION:-} ]] || return 0
+
+zmodload zsh/datetime
+autoload -Uz add-zsh-hook
+
+typeset -g _terminal_notify_threshold=5
+typeset -g _terminal_notify_started=0
+typeset -g _terminal_notify_command=''
+
+_terminal_notify_clean() {
+  local value=$1
+  value=${value//$'\e'/}
+  value=${value//$'\a'/}
+  value=${value//$'\n'/ }
+  value=${value//$'\r'/ }
+  value=${value//$'\t'/ }
+  value=${value//;/,}
+  REPLY=$value
+}
+
+_terminal_notify_elapsed() {
+  local elapsed=$1
+
+  if (( elapsed < 60 )); then
+    REPLY="${elapsed}s"
+  elif (( elapsed < 3600 )); then
+    REPLY="$(( elapsed / 60 ))m $(( elapsed % 60 ))s"
+  else
+    REPLY="$(( elapsed / 3600 ))h $(( (elapsed % 3600) / 60 ))m $(( elapsed % 60 ))s"
+  fi
+}
+
+_terminal_notify_osc777() {
+  local title=$1
+  local message=$2
+
+  _terminal_notify_clean "$title"
+  title=$REPLY
+  _terminal_notify_clean "$message"
+  message=$REPLY
+
+  print -rn -- $'\e]777;notify;'"$title;$message"$'\e\\'
+}
+
+_terminal_notify_preexec() {
+  _terminal_notify_started=$EPOCHSECONDS
+  _terminal_notify_command=${1:-$2}
+}
+
+_terminal_notify_precmd() {
+  local exit_status=$?
+  local started=$_terminal_notify_started
+  local command=$_terminal_notify_command
+
+  _terminal_notify_started=0
+  _terminal_notify_command=''
+
+  (( started > 0 )) || return 0
+
+  local elapsed=$(( EPOCHSECONDS - started ))
+  (( elapsed >= _terminal_notify_threshold )) || return 0
+
+  _terminal_notify_elapsed "$elapsed"
+  local duration=$REPLY
+  local title
+
+  if (( exit_status == 0 )); then
+    title="Command finished · $duration"
+  else
+    title="Command failed · $duration"
+  fi
+
+  _terminal_notify_osc777 "$title" "$command"
+}
+
+add-zsh-hook preexec _terminal_notify_preexec
+add-zsh-hook precmd _terminal_notify_precmd
diff --git a/home/.config/sheldon/plugins/wsl-notify.plugin.zsh b/home/.config/sheldon/plugins/wsl-notify.plugin.zsh
deleted file mode 100644
index 6447ff81..00000000
--- a/home/.config/sheldon/plugins/wsl-notify.plugin.zsh
+++ /dev/null
@@ -1,74 +0,0 @@
-# Configure bgnotify for terminals hosted by Windows.
-[[ -n ${WSL_DISTRO_NAME:-} || -n ${WSL_INTEROP:-} ]] || return
-
-bgnotify_bell=false
-bgnotify_threshold=5
-
-if [[ ${TERM_PROGRAM:-} == ghostty ]]; then
-  # Ghostty provides accurate command-finished notifications itself.
-  autoload -Uz add-zsh-hook
-  add-zsh-hook -d preexec bgnotify_begin
-  add-zsh-hook -d precmd bgnotify_end
-  return
-fi
-
-if [[ -n ${WT_SESSION:-} ]]; then
-  if [[ -z ${commands[powershell.exe]:-} || -z ${commands[wslpath]:-} ]]; then
-    # Without the Windows-native helper path we cannot reliably distinguish a
-    # focused terminal from a background one, so fail closed.
-    autoload -Uz add-zsh-hook
-    add-zsh-hook -d preexec bgnotify_begin
-    add-zsh-hook -d precmd bgnotify_end
-    return
-  fi
-
-  # Keep upstream bgnotify's timing and command formatting, but defer the
-  # Windows foreground check to wsl-notify.ps1. These fixed, unequal IDs make
-  # bgnotify_end dispatch without spawning a separate PowerShell probe.
-  function bgnotify_appid {
-    print -r -- '__wsl_notify_dispatch__'
-  }
-  bgnotify_termid='__wsl_notify_terminal_foreground__'
-fi
-
-function bgnotify {
-  local title="$1"
-  local message="$2"
-  local icon="$3"
-
-  if [[ -n ${WT_SESSION:-} ]]; then
-    local notify_script="${MISE_CONFIG_DIR:-$HOME/.config/mise}/scripts/wsl-notify.ps1"
-    local windows_notify_script
-    local notify_status
-
-    # If the helper cannot be resolved, suppress the notification rather than
-    # guessing whether Windows Terminal is focused.
-    [[ -r $notify_script ]] || return 0
-    windows_notify_script=$(command wslpath -w "$notify_script") || return 0
-    [[ -n $windows_notify_script ]] || return 0
-
-    if powershell.exe -NoLogo -NoProfile -NonInteractive \
-      -ExecutionPolicy Bypass -File "$windows_notify_script" \
-      -Title "$title" -Message "$message" \
-      -DistroName "${WSL_DISTRO_NAME:-}" >/dev/null 2>&1; then
-      notify_status=0
-    else
-      notify_status=$?
-    fi
-
-    case $notify_status in
-      0|10|11)
-        # Toast delivered, intentionally suppressed while focused, or focus
-        # state was indeterminate and the helper failed closed.
-        return 0
-        ;;
-      *)
-        # Native delivery failed after dispatch; retain an audible fallback.
-        print -rn -- $'\a'
-        ;;
-    esac
-  elif (( ${+commands[notify-send]} )); then
-    command notify-send "$title" "$message" \
-      ${=icon:+--icon "$icon"} ${=bgnotify_extraargs:-}
-  fi
-}