arch + features: jarvis.text API + brightness/window_switch/spelling/network/summarize (41 packs)

Architecture — close the trigger-strip duplication:

  lua/api/text.rs (new):
  + jarvis.text.strip_trigger(phrase, triggers) — case-insensitive
    "longest trigger wins" stripping, returns trimmed remainder. The
    11 packs that previously inlined a `for _, t in ipairs(triggers) do
    string.find ... s == 1 then sub` loop can drop to one call.
    Demonstrated in spelling/, window_switch/, summarize/.
  + jarvis.text.contains_any(phrase, needles) — boolean check for any
    of N substrings, case-insensitive. Useful for keyword routing.

5 new portable Lua packs (sandbox=full). 36 → 41 total. cargo test
commands::tests still 3/3.

brightness/ — brightness_up / down / max / min. WMI WmiMonitorBrightness
(read CurrentBrightness) + WmiMonitorBrightnessMethods.WmiSetBrightness
(write). ±20% step for up/down; max=100, min=10. Desktop monitors that
don'\''t expose the WMI namespace get a friendly "не поддерживается"
toast instead of a silent failure.

window_switch/ — switch_to_window. Strip trigger ("переключись на" /
"switch to" / etc.), apply the same alias map as process_kill
(хром→chrome, телега→telegram, ...), then PowerShell finds processes
by name OR window-title substring sorted by StartTime desc and uses
(New-Object -ComObject WScript.Shell).AppActivate($pid) on the top
match. Speaks the window title that got focus.

spelling/ — spell_out. Strips "произнеси по буквам" / "spell out" /
etc., iterates `word:gmatch(".")`, joins letters with ". " so SAPI
gives each one a natural micro-pause. Uses jarvis.text.strip_trigger
+ jarvis.speak — 24 lines total.

network/ — open_wifi_settings (ms-settings:network-wifi) +
open_bluetooth_settings (ms-settings:bluetooth) + my_ip. my_ip pulls
the first non-loopback, non-APIPA IPv4 with Get-NetIPAddress and
fetches WAN IP from api.ipify.org (5s timeout); speaks "Локальный X.
Внешний Y".

summarize/ — summarize_selection. Synthesises Ctrl+C through user32!
keybd_event (so the focused window copies its selection), waits
220 ms for the clipboard to populate, reads via
jarvis.system.clipboard.get(), bails if < 20 chars, truncates at
8000, sends to Groq @ temp 0.3 with a "3-5 sentences, keep names"
prompt, drops the summary back into the clipboard and speaks it.
Lets you select ANY text in ANY app (browser, PDF, IDE) and say
"суммируй" to get a spoken TL;DR.

The new packs explicitly use the new jarvis.text + jarvis.llm +
jarvis.speak API surface — no inline PS-SAPI boilerplate, no inline
Groq plumbing. Code is now intent-first.

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",
+]

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 }