diff --git a/crates/jarvis-core/src/lua/api.rs b/crates/jarvis-core/src/lua/api.rs
index f0e9a08..65bc9cd 100644
--- a/crates/jarvis-core/src/lua/api.rs
+++ b/crates/jarvis-core/src/lua/api.rs
@@ -6,4 +6,5 @@ pub mod fs;
 pub mod state;
 pub mod system;
 pub mod tts;
-pub mod llm;
\ No newline at end of file
+pub mod llm;
+pub mod text;
\ No newline at end of file
diff --git a/crates/jarvis-core/src/lua/api/text.rs b/crates/jarvis-core/src/lua/api/text.rs
new file mode 100644
index 0000000..ac6cab3
--- /dev/null
+++ b/crates/jarvis-core/src/lua/api/text.rs
@@ -0,0 +1,65 @@
+use mlua::{Lua, Table, Value};
+
+// Tiny text helpers that every trigger-driven pack reinvents. Centralising
+// here removes ~10 lines of identical boilerplate per pack.
+pub fn register(lua: &Lua, jarvis: &Table) -> mlua::Result<()> {
+    let text = lua.create_table()?;
+
+    // jarvis.text.strip_trigger(phrase, triggers) -> remainder
+    //
+    // Lowercases `phrase`, finds the FIRST trigger from `triggers` that
+    // matches at the start (case-insensitive substring), and returns
+    // everything after it trimmed. If nothing matches, returns the original
+    // phrase trimmed. Empty input returns "".
+    //
+    // Triggers should be ordered longest-first so "напомни мне через" wins
+    // over "напомни" — the function does NOT re-sort for the caller.
+    let strip_fn = lua.create_function(|lua, (phrase, triggers): (String, Table)| {
+        let lowered = phrase.to_lowercase();
+        let mut chosen_end: Option<usize> = None;
+
+        for v in triggers.sequence_values::<Value>() {
+            let t = match v {
+                Ok(Value::String(s)) => s.to_str()?.to_lowercase(),
+                _ => continue,
+            };
+            if t.is_empty() {
+                continue;
+            }
+            if lowered.starts_with(&t) {
+                let after = lowered[t.len()..].chars().next();
+                if after.map_or(true, |c| !c.is_alphanumeric()) {
+                    chosen_end = Some(t.len());
+                    break;
+                }
+            }
+        }
+
+        let rest = match chosen_end {
+            Some(end) => &phrase[end..],
+            None => phrase.as_str(),
+        };
+        Ok(lua.create_string(rest.trim())?)
+    })?;
+    text.set("strip_trigger", strip_fn)?;
+
+    // jarvis.text.contains_any(phrase, needles) -> boolean
+    // case-insensitive "does any needle appear anywhere in the phrase".
+    let contains_fn = lua.create_function(|_, (phrase, needles): (String, Table)| {
+        let lowered = phrase.to_lowercase();
+        for v in needles.sequence_values::<Value>() {
+            let n = match v {
+                Ok(Value::String(s)) => s.to_str()?.to_lowercase(),
+                _ => continue,
+            };
+            if !n.is_empty() && lowered.contains(&n) {
+                return Ok(true);
+            }
+        }
+        Ok(false)
+    })?;
+    text.set("contains_any", contains_fn)?;
+
+    jarvis.set("text", text)?;
+    Ok(())
+}
diff --git a/crates/jarvis-core/src/lua/engine.rs b/crates/jarvis-core/src/lua/engine.rs
index 7b0268d..f7380c3 100644
--- a/crates/jarvis-core/src/lua/engine.rs
+++ b/crates/jarvis-core/src/lua/engine.rs
@@ -77,6 +77,7 @@ impl LuaEngine {
         api::audio::register(&self.lua, &jarvis)?;
         api::context::register(&self.lua, &jarvis, context)?;
         api::tts::register(&self.lua, &jarvis)?;
+        api::text::register(&self.lua, &jarvis)?;
 
         // sandbox-controlled APIs
         if self.sandbox.allows_http() {
diff --git a/resources/commands/brightness/command.toml b/resources/commands/brightness/command.toml
new file mode 100644
index 0000000..f9814f7
--- /dev/null
+++ b/resources/commands/brightness/command.toml
@@ -0,0 +1,50 @@
+[[commands]]
+id = "brightness_up"
+type = "lua"
+script = "set.lua"
+sandbox = "full"
+timeout = 5000
+
+[commands.phrases]
+ru = ["ярче", "сделай ярче", "увеличь яркость", "поярче"]
+en = ["brighter", "increase brightness"]
+ua = ["яскравіше", "збільш яскравість"]
+
+
+[[commands]]
+id = "brightness_down"
+type = "lua"
+script = "set.lua"
+sandbox = "full"
+timeout = 5000
+
+[commands.phrases]
+ru = ["темнее", "сделай темнее", "уменьши яркость", "потемнее"]
+en = ["darker", "decrease brightness"]
+ua = ["темніше", "зменш яскравість"]
+
+
+[[commands]]
+id = "brightness_max"
+type = "lua"
+script = "set.lua"
+sandbox = "full"
+timeout = 5000
+
+[commands.phrases]
+ru = ["максимальная яркость", "яркость на максимум"]
+en = ["max brightness", "brightness max"]
+ua = ["максимальна яскравість"]
+
+
+[[commands]]
+id = "brightness_min"
+type = "lua"
+script = "set.lua"
+sandbox = "full"
+timeout = 5000
+
+[commands.phrases]
+ru = ["минимальная яркость", "яркость на минимум"]
+en = ["min brightness", "brightness min"]
+ua = ["мінімальна яскравість"]
diff --git a/resources/commands/brightness/set.lua b/resources/commands/brightness/set.lua
new file mode 100644
index 0000000..ee2088b
--- /dev/null
+++ b/resources/commands/brightness/set.lua
@@ -0,0 +1,44 @@
+local lang = jarvis.context.language
+local cmd_id = jarvis.context.command_id
+
+local ps = [[
+$ErrorActionPreference = 'Stop'
+try {
+    $cur = (Get-WmiObject -Namespace root\WMI -Class WmiMonitorBrightness -ErrorAction Stop).CurrentBrightness
+} catch {
+    Write-Output 'no_wmi'
+    exit 0
+}
+$target = switch ('__OP__') {
+    'up'   { [Math]::Min(100, $cur + 20) }
+    'down' { [Math]::Max(0,   $cur - 20) }
+    'max'  { 100 }
+    'min'  { 10 }
+    default { $cur }
+}
+$m = Get-WmiObject -Namespace root\WMI -Class WmiMonitorBrightnessMethods
+$m.WmiSetBrightness(1, $target) | Out-Null
+Write-Output $target
+]]
+
+local op = ({
+    brightness_up = "up", brightness_down = "down",
+    brightness_max = "max", brightness_min = "min",
+})[cmd_id] or "up"
+
+local script = ps:gsub("__OP__", op)
+local cmd = string.format('powershell -NoProfile -ExecutionPolicy Bypass -Command "%s"', script:gsub('"', '\\"'))
+local res = jarvis.system.exec(cmd)
+local out = (res.stdout or ""):gsub("[\r\n]+$", ""):gsub("^%s+", "")
+
+if out == "no_wmi" or not res.success then
+    jarvis.system.notify("Brightness",
+        lang == "ru" and "Не поддерживается на этом дисплее"
+                      or "Not supported on this display")
+    jarvis.audio.play_error()
+    return { chain = false }
+end
+
+jarvis.system.notify(lang == "ru" and "Яркость" or "Brightness", out .. "%")
+jarvis.audio.play_ok()
+return { chain = false }
diff --git a/resources/commands/network/command.toml b/resources/commands/network/command.toml
new file mode 100644
index 0000000..d6cf1af
--- /dev/null
+++ b/resources/commands/network/command.toml
@@ -0,0 +1,37 @@
+[[commands]]
+id = "open_wifi_settings"
+type = "lua"
+script = "open.lua"
+sandbox = "full"
+timeout = 3000
+
+[commands.phrases]
+ru = ["настройки wifi", "настройки вайфай", "wifi настройки", "сеть"]
+en = ["wifi settings", "open wifi"]
+ua = ["налаштування wi-fi"]
+
+
+[[commands]]
+id = "open_bluetooth_settings"
+type = "lua"
+script = "open.lua"
+sandbox = "full"
+timeout = 3000
+
+[commands.phrases]
+ru = ["настройки блютуз", "блютуз", "включи блютуз", "выключи блютуз"]
+en = ["bluetooth settings", "open bluetooth", "toggle bluetooth"]
+ua = ["налаштування bluetooth"]
+
+
+[[commands]]
+id = "my_ip"
+type = "lua"
+script = "ip.lua"
+sandbox = "full"
+timeout = 5000
+
+[commands.phrases]
+ru = ["мой ай пи", "мой ip", "какой у меня айпи", "айпишник"]
+en = ["my ip", "what is my ip"]
+ua = ["мій ip"]
diff --git a/resources/commands/network/ip.lua b/resources/commands/network/ip.lua
new file mode 100644
index 0000000..0e5635a
--- /dev/null
+++ b/resources/commands/network/ip.lua
@@ -0,0 +1,24 @@
+local lang = jarvis.context.language
+
+local ps = [[
+$lan = (Get-NetIPAddress -AddressFamily IPv4 -ErrorAction SilentlyContinue |
+        Where-Object { $_.PrefixOrigin -eq 'Dhcp' -or $_.PrefixOrigin -eq 'Manual' } |
+        Where-Object { $_.IPAddress -notmatch '^127\.' -and $_.IPAddress -notmatch '^169\.254\.' } |
+        Select-Object -First 1).IPAddress
+if (-not $lan) { $lan = '(none)' }
+$wan = try { (Invoke-RestMethod -Uri 'https://api.ipify.org?format=json' -TimeoutSec 5).ip } catch { 'unavailable' }
+Write-Output ('LAN ' + $lan + ' WAN ' + $wan)
+]]
+local res = jarvis.system.exec(string.format('powershell -NoProfile -Command "%s"', ps:gsub('"', '\\"')))
+local out = (res.stdout or ""):gsub("[\r\n]+$", "")
+
+if out == "" then
+    jarvis.audio.play_error()
+    return { chain = false }
+end
+
+jarvis.system.notify("IP", out)
+local say = out:gsub("LAN", lang == "ru" and "Локальный" or "LAN"):gsub("WAN", lang == "ru" and ". Внешний" or ". WAN")
+jarvis.speak(say, { lang = lang })
+jarvis.audio.play_ok()
+return { chain = false }
diff --git a/resources/commands/network/open.lua b/resources/commands/network/open.lua
new file mode 100644
index 0000000..f7334e3
--- /dev/null
+++ b/resources/commands/network/open.lua
@@ -0,0 +1,16 @@
+local cmd_id = jarvis.context.command_id
+local lang = jarvis.context.language
+
+local uris = {
+    open_wifi_settings      = "ms-settings:network-wifi",
+    open_bluetooth_settings = "ms-settings:bluetooth",
+}
+
+local uri = uris[cmd_id] or "ms-settings:network"
+jarvis.system.open(uri)
+jarvis.system.notify(
+    cmd_id == "open_wifi_settings" and "Wi-Fi" or "Bluetooth",
+    lang == "ru" and "Открываю настройки" or "Opening settings"
+)
+jarvis.audio.play_ok()
+return { chain = false }
diff --git a/resources/commands/spelling/command.toml b/resources/commands/spelling/command.toml
new file mode 100644
index 0000000..7e08b05
--- /dev/null
+++ b/resources/commands/spelling/command.toml
@@ -0,0 +1,21 @@
+[[commands]]
+id = "spell_out"
+type = "lua"
+script = "spell.lua"
+sandbox = "full"
+timeout = 15000
+
+[commands.phrases]
+ru = [
+    "произнеси по буквам",
+    "продиктуй по буквам",
+    "произнеси буквы",
+    "по буквам",
+]
+en = [
+    "spell out",
+    "spell it",
+]
+ua = [
+    "вимов по буквах",
+]
diff --git a/resources/commands/spelling/spell.lua b/resources/commands/spelling/spell.lua
new file mode 100644
index 0000000..fbf6b6f
--- /dev/null
+++ b/resources/commands/spelling/spell.lua
@@ -0,0 +1,29 @@
+local lang = jarvis.context.language
+local triggers = {
+    "продиктуй по буквам", "произнеси по буквам", "произнеси буквы", "по буквам",
+    "spell out", "spell it",
+    "вимов по буквах",
+}
+local word = jarvis.text.strip_trigger(jarvis.context.phrase or "", triggers)
+if word == "" then
+    jarvis.system.notify("Spelling", lang == "ru" and "Что произнести?" or "What to spell?")
+    jarvis.audio.play_error()
+    return { chain = false }
+end
+
+local letters = {}
+for ch in word:gmatch(".") do
+    if ch ~= " " then table.insert(letters, ch) end
+end
+if #letters == 0 then
+    jarvis.audio.play_error()
+    return { chain = false }
+end
+
+local spoken = table.concat(letters, ". ") .. "."
+
+jarvis.system.notify(lang == "ru" and "По буквам" or "Spelling",
+    word .. "\n" .. spoken)
+jarvis.speak(spoken, { lang = lang })
+jarvis.audio.play_ok()
+return { chain = false }
diff --git a/resources/commands/summarize/command.toml b/resources/commands/summarize/command.toml
new file mode 100644
index 0000000..a0fe93a
--- /dev/null
+++ b/resources/commands/summarize/command.toml
@@ -0,0 +1,25 @@
+[[commands]]
+id = "summarize_selection"
+type = "lua"
+script = "summarize.lua"
+sandbox = "full"
+timeout = 25000
+
+[commands.phrases]
+ru = [
+    "суммируй",
+    "перескажи выделенное",
+    "кратко перескажи",
+    "о чём это",
+    "что выделил",
+    "перескажи это",
+]
+en = [
+    "summarise this",
+    "summarize selection",
+    "tldr",
+]
+ua = [
+    "перекажи це",
+    "стисло перекажи",
+]
diff --git a/resources/commands/summarize/summarize.lua b/resources/commands/summarize/summarize.lua
new file mode 100644
index 0000000..9e7a247
--- /dev/null
+++ b/resources/commands/summarize/summarize.lua
@@ -0,0 +1,43 @@
+local lang = jarvis.context.language
+
+local copy_ps = [[Add-Type -Name K -Namespace W -MemberDefinition '[DllImport("user32.dll")] public static extern void keybd_event(byte vk, byte sc, uint flags, System.UIntPtr extra);'; [W.K]::keybd_event(0x11,0,0,[UIntPtr]::Zero); [W.K]::keybd_event(0x43,0,0,[UIntPtr]::Zero); Start-Sleep -Milliseconds 40; [W.K]::keybd_event(0x43,0,2,[UIntPtr]::Zero); [W.K]::keybd_event(0x11,0,2,[UIntPtr]::Zero); Start-Sleep -Milliseconds 220]]
+jarvis.system.exec(string.format('powershell -NoProfile -Command "%s"', copy_ps:gsub('"', '\\"')))
+
+local raw = jarvis.system.clipboard.get() or ""
+local text = raw:gsub("^%s+", ""):gsub("%s+$", "")
+
+if #text < 20 then
+    jarvis.system.notify("Summarize",
+        lang == "ru" and "Сначала выдели текст и повтори" or "Select text first, then retry")
+    jarvis.audio.play_not_found()
+    return { chain = false }
+end
+
+if #text > 8000 then
+    text = text:sub(1, 8000) .. " ..."
+end
+
+local sys = lang == "ru"
+    and "Перескажи следующий текст одним абзацем (3-5 предложений). Сохрани ключевые факты и имена, без 'вот суммарно' и других вступлений."
+    or  "Summarise the following text in 3-5 sentences. Keep key facts and names, no preamble."
+
+local reply = jarvis.llm(
+    { { role = "system", content = sys },
+      { role = "user",   content = text } },
+    { max_tokens = 400, temperature = 0.3 }
+)
+
+if not reply or reply == "" then
+    jarvis.system.notify("Summarize", lang == "ru" and "LLM не ответила" or "LLM failed")
+    jarvis.audio.play_error()
+    return { chain = false }
+end
+
+jarvis.system.clipboard.set(reply)
+jarvis.system.notify(
+    lang == "ru" and "Кратко" or "TL;DR",
+    reply:sub(1, 280)
+)
+jarvis.speak(reply, { lang = lang })
+jarvis.audio.play_ok()
+return { chain = false }
diff --git a/resources/commands/window_switch/command.toml b/resources/commands/window_switch/command.toml
new file mode 100644
index 0000000..51bf570
--- /dev/null
+++ b/resources/commands/window_switch/command.toml
@@ -0,0 +1,24 @@
+[[commands]]
+id = "switch_to_window"
+type = "lua"
+script = "switch.lua"
+sandbox = "full"
+timeout = 5000
+
+[commands.phrases]
+ru = [
+    "переключись на",
+    "переключи на",
+    "активируй окно",
+    "покажи окно",
+    "перейди в",
+]
+en = [
+    "switch to",
+    "activate window",
+    "focus window",
+]
+ua = [
+    "перемкни на",
+    "активуй вікно",
+]
diff --git a/resources/commands/window_switch/switch.lua b/resources/commands/window_switch/switch.lua
new file mode 100644
index 0000000..b03f61d
--- /dev/null
+++ b/resources/commands/window_switch/switch.lua
@@ -0,0 +1,51 @@
+local lang = jarvis.context.language
+local triggers = {
+    "переключись на", "переключи на", "активируй окно", "покажи окно", "перейди в",
+    "switch to", "activate window", "focus window",
+    "перемкни на", "активуй вікно",
+}
+local query = jarvis.text.strip_trigger(jarvis.context.phrase or "", triggers):lower()
+if query == "" then
+    jarvis.system.notify("Switch", lang == "ru" and "Какое окно?" or "Which window?")
+    jarvis.audio.play_error()
+    return { chain = false }
+end
+
+local aliases = {
+    ["хром"] = "chrome", ["хрома"] = "chrome",
+    ["едж"] = "msedge", ["эдж"] = "msedge",
+    ["файрфокс"] = "firefox", ["фаерфокс"] = "firefox",
+    ["вскод"] = "code", ["vs code"] = "code",
+    ["дискорд"] = "discord",
+    ["телега"] = "telegram", ["телеграм"] = "telegram",
+    ["стим"] = "steam",
+    ["обс"] = "obs64",
+    ["проводник"] = "explorer",
+    ["блокнот"] = "notepad",
+    ["терминал"] = "windowsterminal",
+    ["спотифай"] = "spotify",
+    ["яндекс"] = "browser",
+    ["браузер"] = "browser",
+}
+local target = aliases[query] or query
+
+local ps = string.format([[
+$procs = Get-Process | Where-Object { $_.MainWindowTitle -and ($_.ProcessName -like '*%s*' -or $_.MainWindowTitle -like '*%s*') } | Sort-Object -Property StartTime -Descending
+if ($procs.Count -eq 0) { Write-Output 'NOT_FOUND'; exit 0 }
+$p = $procs[0]
+$wsh = New-Object -ComObject WScript.Shell
+$null = $wsh.AppActivate($p.Id)
+Write-Output $p.MainWindowTitle
+]], target:gsub("'", ""), target:gsub("'", ""))
+
+local res = jarvis.system.exec(string.format('powershell -NoProfile -Command "%s"', ps:gsub('"', '\\"')))
+local out = (res.stdout or ""):gsub("[\r\n]+$", ""):gsub("^%s+", "")
+
+if out == "NOT_FOUND" or out == "" then
+    jarvis.system.notify("Switch", (lang == "ru" and "Не нашёл: " or "Not found: ") .. query)
+    jarvis.audio.play_not_found()
+else
+    jarvis.system.notify(lang == "ru" and "Переключаюсь" or "Switching", out:sub(1, 80))
+    jarvis.audio.play_ok()
+end
+return { chain = false }