Add a day-zero first-run wizard before the desktop tour

First-boot --autostart now walks Welcome, timezone, network hint, updates,
and an optional snapper day-zero snapshot in the existing help window, then
hands off to the live cheatsheet tour. Existing onboarded users are skipped.

src/cli.rs

@@ -14,7 +14,8 @@ pub struct Action {
     /// `present()` build the window (so the app is ready to respond the
     /// instant it's needed) without popping it open when onboarding is
     /// already done — autostart should only be visible on a genuine first
-    /// run, never on every subsequent login.
+    /// run (day-zero wizard, then the desktop tour), never on every
+    /// subsequent login.
     pub autostart: bool,
     /// From a breadd Lua module (e.g. `breadhelp-suggest.lua`) reacting to a
     /// system event. Resolved to banner text by `services::breadd::resolve`.

src/config.rs

@@ -86,7 +86,11 @@ impl State {
     }
 
     pub fn onboarding_step(&self) -> i64 {
-        self.doc.get("onboarding").and_then(|t| t.get("step")).and_then(|v| v.as_integer()).unwrap_or(0)
+        self.doc
+            .get("onboarding")
+            .and_then(|t| t.get("step"))
+            .and_then(|v| v.as_integer())
+            .unwrap_or(0)
     }
 
     pub fn set_onboarding_step(&mut self, step: i64) {
@@ -94,6 +98,48 @@ impl State {
         self.save();
     }
 
+    /// First-boot day-zero wizard (timezone / network hint / updates /
+    /// snapshot). Independent of the live desktop tour so an existing user
+    /// who already finished onboarding is never pulled back into setup.
+    pub fn day_zero_completed(&self) -> bool {
+        self.doc
+            .get("day_zero")
+            .and_then(|t| t.get("completed"))
+            .and_then(|v| v.as_bool())
+            .unwrap_or(false)
+    }
+
+    pub fn set_day_zero_completed(&mut self, completed: bool) {
+        self.doc["day_zero"]["completed"] = value(completed);
+        self.save();
+    }
+
+    pub fn day_zero_step(&self) -> i64 {
+        self.doc
+            .get("day_zero")
+            .and_then(|t| t.get("step"))
+            .and_then(|v| v.as_integer())
+            .unwrap_or(0)
+    }
+
+    pub fn set_day_zero_step(&mut self, step: i64) {
+        self.doc["day_zero"]["step"] = value(step);
+        self.save();
+    }
+
+    pub fn day_zero_snapshot_attempted(&self) -> bool {
+        self.doc
+            .get("day_zero")
+            .and_then(|t| t.get("snapshot_attempted"))
+            .and_then(|v| v.as_bool())
+            .unwrap_or(false)
+    }
+
+    pub fn set_day_zero_snapshot_attempted(&mut self, attempted: bool) {
+        self.doc["day_zero"]["snapshot_attempted"] = value(attempted);
+        self.save();
+    }
+
     /// Set the instant before `services::hyprland::rebind_temp` is called for
     /// a tour step with no compositor-observable signal (e.g. the screenshot
     /// step), cleared the instant after reverting. If breadhelp is killed
@@ -101,8 +147,18 @@ impl State {
     /// pointing at a chained `--tour-event` ping and self-heals it before
     /// the user can be surprised by a stray tour popup — see `ui::tour`.
     pub fn pending_rebind(&self) -> Option<(String, String)> {
-        let key = self.doc.get("tour")?.get("pending_rebind_key")?.as_str()?.to_string();
-        let original = self.doc.get("tour")?.get("pending_rebind_original")?.as_str()?.to_string();
+        let key = self
+            .doc
+            .get("tour")?
+            .get("pending_rebind_key")?
+            .as_str()?
+            .to_string();
+        let original = self
+            .doc
+            .get("tour")?
+            .get("pending_rebind_original")?
+            .as_str()?
+            .to_string();
         Some((key, original))
     }
 
@@ -121,7 +177,12 @@ impl State {
     }
 
     pub fn mode(&self) -> Mode {
-        let s = self.doc.get("general").and_then(|t| t.get("mode")).and_then(|v| v.as_str()).unwrap_or("normal");
+        let s = self
+            .doc
+            .get("general")
+            .and_then(|t| t.get("mode"))
+            .and_then(|v| v.as_str())
+            .unwrap_or("normal");
         Mode::from_str(s)
     }
 
@@ -145,14 +206,20 @@ mod tests {
         // path save_doc uses (via tomlcfg::save_doc), at the file-layout
         // breadhelp actually writes to — the deeper backup/no-leftover-tmp
         // behavior itself is covered by bread-utils' own test suite.
-        let dir = std::env::temp_dir().join(format!("breadhelp-atomic-write-test-{}", std::process::id()));
+        let dir = std::env::temp_dir().join(format!(
+            "breadhelp-atomic-write-test-{}",
+            std::process::id()
+        ));
         std::fs::create_dir_all(&dir).unwrap();
         let path = dir.join("state.toml");
         let backup = dir.join("state.toml.bak");
 
         bread_utils::atomic::write_atomic_backed_up(&path, "first").unwrap();
         assert_eq!(std::fs::read_to_string(&path).unwrap(), "first");
-        assert!(!backup.exists(), "no backup should be made when there's nothing to back up yet");
+        assert!(
+            !backup.exists(),
+            "no backup should be made when there's nothing to back up yet"
+        );
 
         bread_utils::atomic::write_atomic_backed_up(&path, "second").unwrap();
         assert_eq!(std::fs::read_to_string(&path).unwrap(), "second");
@@ -164,14 +231,20 @@ mod tests {
             .map(|e| e.file_name().to_string_lossy().into_owned())
             .filter(|n| n.contains(".tmp."))
             .collect();
-        assert!(leftover_tmp.is_empty(), "temp file should be renamed away, not left behind: {leftover_tmp:?}");
+        assert!(
+            leftover_tmp.is_empty(),
+            "temp file should be renamed away, not left behind: {leftover_tmp:?}"
+        );
 
         let _ = std::fs::remove_dir_all(&dir);
     }
 
     #[test]
     fn save_doc_then_load_doc_round_trips_state() {
-        let dir = std::env::temp_dir().join(format!("breadhelp-state-roundtrip-test-{}", std::process::id()));
+        let dir = std::env::temp_dir().join(format!(
+            "breadhelp-state-roundtrip-test-{}",
+            std::process::id()
+        ));
         std::fs::create_dir_all(&dir).unwrap();
         let path = dir.join("state.toml");
 
@@ -181,8 +254,50 @@ mod tests {
         save_doc(&path, &doc);
 
         let loaded = load_doc(&path);
-        assert_eq!(loaded.get("onboarding").and_then(|t| t.get("completed")).and_then(|v| v.as_bool()), Some(true));
-        assert_eq!(loaded.get("general").and_then(|t| t.get("mode")).and_then(|v| v.as_str()), Some("dad"));
+        assert_eq!(
+            loaded
+                .get("onboarding")
+                .and_then(|t| t.get("completed"))
+                .and_then(|v| v.as_bool()),
+            Some(true)
+        );
+        assert_eq!(
+            loaded
+                .get("general")
+                .and_then(|t| t.get("mode"))
+                .and_then(|v| v.as_str()),
+            Some("dad")
+        );
+
+        let _ = std::fs::remove_dir_all(&dir);
+    }
+
+    #[test]
+    fn day_zero_defaults_incomplete_and_round_trips() {
+        let dir =
+            std::env::temp_dir().join(format!("breadhelp-day-zero-state-{}", std::process::id()));
+        std::fs::create_dir_all(&dir).unwrap();
+        let path = dir.join("state.toml");
+
+        let mut state = State {
+            doc: DocumentMut::default(),
+            path: path.clone(),
+        };
+        assert!(!state.day_zero_completed());
+        assert_eq!(state.day_zero_step(), 0);
+        assert!(!state.day_zero_snapshot_attempted());
+
+        state.set_day_zero_step(3);
+        state.set_day_zero_snapshot_attempted(true);
+        state.set_day_zero_completed(true);
+
+        let loaded = State {
+            doc: load_doc(&path),
+            path,
+        };
+        assert!(loaded.day_zero_completed());
+        assert_eq!(loaded.day_zero_step(), 3);
+        assert!(loaded.day_zero_snapshot_attempted());
 
         let _ = std::fs::remove_dir_all(&dir);
     }

src/services/exec.rs

@@ -1,3 +1,4 @@
+use std::path::Path;
 use std::process::Command;
 
 /// Fire-and-forget: runs `command` via a shell, matching the idiom already
@@ -8,6 +9,35 @@ pub fn run(command: &str) {
     }
 }
 
+/// Fire-and-forget argv form — use this when arguments come from the UI
+/// (timezone names, page ids) so they never pass through a shell.
+pub fn run_argv(prog: &str, args: &[&str]) {
+    if let Err(e) = Command::new(prog).args(args).spawn() {
+        eprintln!("breadhelp: failed to run `{prog}`: {e}");
+    }
+}
+
+/// `true` when `name` resolves to an executable on `PATH`.
+pub fn command_exists(name: &str) -> bool {
+    std::env::var_os("PATH")
+        .map(|paths| std::env::split_paths(&paths).any(|dir| is_executable(&dir.join(name))))
+        .unwrap_or(false)
+}
+
+fn is_executable(path: &Path) -> bool {
+    #[cfg(unix)]
+    {
+        use std::os::unix::fs::PermissionsExt;
+        std::fs::metadata(path)
+            .map(|m| m.is_file() && m.permissions().mode() & 0o111 != 0)
+            .unwrap_or(false)
+    }
+    #[cfg(not(unix))]
+    {
+        path.is_file()
+    }
+}
+
 /// Runs `command` on a background thread and delivers success/failure back
 /// onto the GTK main loop via `on_done` — plain `spawn()` only confirms the
 /// process *launched*, not how it exited, and one-click fixes need to report
@@ -26,3 +56,19 @@ pub fn run_reporting(command: &str, on_done: impl Fn(bool) + 'static) {
         }
     });
 }
+
+/// Same as [`run_reporting`], but without a shell.
+pub fn run_argv_reporting(prog: &str, args: &[&str], on_done: impl Fn(bool) + 'static) {
+    let prog = prog.to_string();
+    let args: Vec<String> = args.iter().map(|s| (*s).to_string()).collect();
+    let (tx, rx) = async_channel::bounded(1);
+    std::thread::spawn(move || {
+        let status = Command::new(&prog).args(&args).status();
+        let _ = tx.send_blocking(status.map(|s| s.success()).unwrap_or(false));
+    });
+    glib::MainContext::default().spawn_local(async move {
+        if let Ok(success) = rx.recv().await {
+            on_done(success);
+        }
+    });
+}

src/theme.rs

@@ -69,6 +69,8 @@ window.wizard-dialog headerbar { \
   border-bottom: 1px solid alpha(@on-bg, 0.08); \
   box-shadow: none; \
 }\n\
+/* ui::day_zero — timezone list is a tall boxed list inside the Welcome tab. */\n\
+.day-zero list { margin-top: 4px; }\n\
 ";
 
 thread_local! {

src/ui/day_zero.rs

@@ -0,0 +1,665 @@
+//! In-window day-zero wizard for first boot / `--autostart`.
+//!
+//! Not a second app: this is one extra tab on the existing help window so
+//! Learn/Ask stay reachable when bakery `content.tar.gz` is installed.
+//! Existing users who already finished the desktop tour never see it
+//! (`needs_wizard` is false when `onboarding.completed` is set).
+//!
+//! Finish (or skip) hands off to the live tour — the previous first-run
+//! destination — with the Home cheatsheet already showing underneath.
+
+use std::cell::{Cell, RefCell};
+use std::process::Command;
+use std::rc::Rc;
+
+use gtk4::prelude::*;
+use gtk4::{
+    Align, Box as GBox, Button, Label, ListBox, ListBoxRow, Orientation, ScrolledWindow,
+    SearchEntry, SelectionMode, Stack,
+};
+
+use crate::config::State;
+use crate::content::keybinds::Keybind;
+use crate::content::{markdown, ContentStore};
+use crate::services::exec;
+
+const PAGE_NAME: &str = "day-zero";
+const STEP_COUNT: usize = 6;
+const WELCOME_GUIDE_CATEGORY: &str = "getting-started";
+const WELCOME_GUIDE_ID: &str = "01-what-is-bos";
+const FALLBACK_WELCOME: &str = "\
+# Welcome to BOS
+
+BOS (the Bread Operating System) is a complete Hyprland desktop with the \
+bread ecosystem preinstalled: a bar, a launcher, notes, Wi-Fi profiles, and a \
+settings app that needs no config files.
+
+This short setup gets the clock, network, and updates in place. Use the tabs \
+above any time to browse the full guide.
+";
+
+#[derive(Clone, Copy, PartialEq, Eq)]
+enum Step {
+    Welcome,
+    Timezone,
+    Network,
+    Updates,
+    Snapshot,
+    Finish,
+}
+
+const STEPS: [Step; STEP_COUNT] = [
+    Step::Welcome,
+    Step::Timezone,
+    Step::Network,
+    Step::Updates,
+    Step::Snapshot,
+    Step::Finish,
+];
+
+struct Wizard {
+    content: GBox,
+    welcome_markdown: String,
+    binds: Vec<Keybind>,
+    step: RefCell<usize>,
+    finished: Cell<bool>,
+    on_finished: Box<dyn Fn()>,
+}
+
+/// First boot only: skip when the wizard already ran *or* the user already
+/// finished the older tour-only onboarding (so upgrades don't re-prompt).
+pub fn needs_wizard() -> bool {
+    needs_wizard_from(
+        State::load().day_zero_completed(),
+        State::load().onboarding_completed(),
+    )
+}
+
+pub(crate) fn needs_wizard_from(day_zero_done: bool, onboarding_done: bool) -> bool {
+    !day_zero_done && !onboarding_done
+}
+
+/// Add (or focus) the Welcome tab and show it. Idempotent across D-Bus
+/// re-activation while the wizard is already up.
+pub fn attach(
+    stack: &Stack,
+    store: &ContentStore,
+    binds: &[Keybind],
+    on_finished: impl Fn() + 'static,
+) {
+    if stack.child_by_name(PAGE_NAME).is_some() {
+        stack.set_visible_child_name(PAGE_NAME);
+        return;
+    }
+
+    let start = (State::load().day_zero_step() as usize).min(STEP_COUNT - 1);
+    let welcome_markdown = store
+        .guide(WELCOME_GUIDE_CATEGORY, WELCOME_GUIDE_ID)
+        .map(|g| store.body(g, State::load().mode().is_simplified()))
+        .filter(|body| !body.trim().is_empty())
+        .unwrap_or_else(|| FALLBACK_WELCOME.to_string());
+
+    let content = GBox::new(Orientation::Vertical, 16);
+    content.add_css_class("view-content");
+    content.add_css_class("day-zero");
+
+    let wizard = Rc::new(Wizard {
+        content: content.clone(),
+        welcome_markdown,
+        binds: binds.to_vec(),
+        step: RefCell::new(start),
+        finished: Cell::new(false),
+        on_finished: Box::new(on_finished),
+    });
+    wizard.render();
+
+    let page = ScrolledWindow::builder()
+        .child(&content)
+        .vexpand(true)
+        .hexpand(true)
+        .build();
+    stack.add_titled(&page, Some(PAGE_NAME), "Welcome");
+    stack.set_visible_child_name(PAGE_NAME);
+}
+
+pub(crate) fn pick_network_tool(
+    has_settings: bool,
+    has_nm: bool,
+) -> Option<(&'static str, &'static str, &'static [&'static str])> {
+    if has_settings {
+        Some((
+            "Open network settings",
+            "bos-settings",
+            &["--page", "network"],
+        ))
+    } else if has_nm {
+        Some(("Open network editor", "nm-connection-editor", &[]))
+    } else {
+        None
+    }
+}
+
+pub(crate) fn pick_updates_tool(
+    has_settings: bool,
+) -> Option<(&'static str, &'static str, &'static [&'static str])> {
+    if has_settings {
+        Some(("Open BOS Settings", "bos-settings", &["--page", "packages"]))
+    } else {
+        None
+    }
+}
+
+pub(crate) fn is_safe_timezone_name(tz: &str) -> bool {
+    !tz.is_empty()
+        && tz.len() < 128
+        && tz
+            .chars()
+            .all(|c| c.is_ascii_alphanumeric() || matches!(c, '_' | '/' | '+' | '-' | '.'))
+}
+
+fn parse_timezone_property(stdout: &str) -> Option<String> {
+    stdout
+        .trim()
+        .strip_prefix("Timezone=")
+        .map(str::to_string)
+        .filter(|s| !s.is_empty())
+}
+
+fn parse_timezone_list(stdout: &str) -> Vec<String> {
+    stdout
+        .lines()
+        .map(str::trim)
+        .filter(|l| !l.is_empty())
+        .map(str::to_string)
+        .collect()
+}
+
+impl Wizard {
+    fn current_step(&self) -> Step {
+        STEPS[*self.step.borrow()]
+    }
+
+    fn go(self: &Rc<Self>, step: usize) {
+        let step = step.min(STEP_COUNT - 1);
+        *self.step.borrow_mut() = step;
+        let mut state = State::load();
+        state.set_day_zero_step(step as i64);
+        self.render();
+    }
+
+    fn finish(self: &Rc<Self>) {
+        if self.finished.replace(true) {
+            return;
+        }
+        let mut state = State::load();
+        state.set_day_zero_completed(true);
+        (self.on_finished)();
+    }
+
+    fn clear(&self) {
+        while let Some(child) = self.content.first_child() {
+            self.content.remove(&child);
+        }
+    }
+
+    fn render(self: &Rc<Self>) {
+        self.clear();
+        let index = *self.step.borrow();
+        let step = self.current_step();
+
+        let title = Label::new(Some(step_title(step)));
+        title.add_css_class("page-title");
+        title.set_xalign(0.0);
+        self.content.append(&title);
+
+        match step {
+            Step::Welcome => self.render_welcome(),
+            Step::Timezone => self.render_timezone(),
+            Step::Network => self.render_network(),
+            Step::Updates => self.render_updates(),
+            Step::Snapshot => self.render_snapshot(),
+            Step::Finish => self.render_finish(),
+        }
+
+        let counter = Label::new(Some(&format!("Step {} of {STEP_COUNT}", index + 1)));
+        counter.add_css_class("dim-label");
+        counter.set_xalign(0.0);
+        self.content.append(&counter);
+
+        let nav = GBox::new(Orientation::Horizontal, 8);
+        let skip = Button::with_label("Skip setup");
+        skip.add_css_class("flat");
+        let this = self.clone();
+        skip.connect_clicked(move |_| this.finish());
+
+        let back = Button::with_label("Back");
+        back.set_sensitive(index > 0);
+        let this = self.clone();
+        back.connect_clicked(move |_| {
+            let i = *this.step.borrow();
+            if i > 0 {
+                this.go(i - 1);
+            }
+        });
+
+        let spacer = GBox::new(Orientation::Horizontal, 0);
+        spacer.set_hexpand(true);
+
+        let is_last = index + 1 >= STEP_COUNT;
+        let next = Button::with_label(if is_last { "Start tour" } else { "Next" });
+        next.add_css_class("suggested-action");
+        let this = self.clone();
+        next.connect_clicked(move |_| {
+            let i = *this.step.borrow();
+            if i + 1 >= STEP_COUNT {
+                this.finish();
+            } else {
+                this.go(i + 1);
+            }
+        });
+
+        nav.append(&skip);
+        nav.append(&spacer);
+        nav.append(&back);
+        nav.append(&next);
+        self.content.append(&nav);
+    }
+
+    fn render_welcome(self: &Rc<Self>) {
+        let blurb = Label::new(Some(
+            "A few things before the desktop tour. The other tabs stay available if you want to look around.",
+        ));
+        blurb.set_wrap(true);
+        blurb.set_xalign(0.0);
+        self.content.append(&blurb);
+        self.content.append(&markdown::render(
+            &markdown::parse(&self.welcome_markdown),
+            &self.binds,
+        ));
+    }
+
+    fn render_timezone(self: &Rc<Self>) {
+        let (current, zones) = load_timezones();
+        let intro = if zones.is_empty() {
+            "Couldn't list timezones (is timedatectl available?). You can set this later from BOS Settings."
+        } else {
+            "The clock should match where you are. Applying a change may ask for your password."
+        };
+        let blurb = Label::new(Some(intro));
+        blurb.set_wrap(true);
+        blurb.set_xalign(0.0);
+        self.content.append(&blurb);
+
+        let current_lbl = Label::new(Some(&if current.is_empty() {
+            "Current timezone: unknown".into()
+        } else {
+            format!("Current timezone: {current}")
+        }));
+        current_lbl.set_xalign(0.0);
+        current_lbl.add_css_class("dim-label");
+        self.content.append(&current_lbl);
+
+        if zones.is_empty() {
+            return;
+        }
+
+        let search = SearchEntry::new();
+        search.set_placeholder_text(Some("Search timezones"));
+        search.set_hexpand(true);
+        self.content.append(&search);
+
+        let list = ListBox::new();
+        list.set_selection_mode(SelectionMode::Single);
+        list.add_css_class("boxed-list");
+        for tz in &zones {
+            let row = ListBoxRow::new();
+            row.set_widget_name(tz);
+            let lbl = Label::new(Some(tz));
+            lbl.set_xalign(0.0);
+            lbl.set_margin_top(4);
+            lbl.set_margin_bottom(4);
+            lbl.set_margin_start(8);
+            row.set_child(Some(&lbl));
+            list.append(&row);
+            if tz == &current {
+                list.select_row(Some(&row));
+            }
+        }
+
+        {
+            let list = list.clone();
+            search.connect_search_changed(move |entry| {
+                let q = entry.text().to_lowercase();
+                let mut i = 0;
+                let mut first_visible: Option<ListBoxRow> = None;
+                loop {
+                    let Some(row) = list.row_at_index(i) else {
+                        break;
+                    };
+                    let name = row.widget_name();
+                    let visible = q.is_empty() || name.to_lowercase().contains(&q);
+                    row.set_visible(visible);
+                    if visible && first_visible.is_none() {
+                        first_visible = Some(row);
+                    }
+                    i += 1;
+                }
+                if let Some(row) = first_visible {
+                    list.select_row(Some(&row));
+                }
+            });
+        }
+
+        let scroller = ScrolledWindow::builder()
+            .child(&list)
+            .min_content_height(180)
+            .hexpand(true)
+            .vexpand(true)
+            .build();
+        self.content.append(&scroller);
+
+        let status = Label::new(None);
+        status.set_xalign(0.0);
+        status.add_css_class("dim-label");
+
+        let apply = Button::with_label("Apply timezone");
+        apply.set_halign(Align::Start);
+        apply.add_css_class("suggested-action");
+        let current_lbl = current_lbl.clone();
+        let status_for_click = status.clone();
+        apply.connect_clicked(move |_| {
+            let Some(row) = list.selected_row() else {
+                status_for_click.set_label("Pick a timezone first.");
+                return;
+            };
+            let tz = row.widget_name().to_string();
+            if !is_safe_timezone_name(&tz) {
+                status_for_click.set_label("That timezone name doesn't look valid.");
+                return;
+            }
+            status_for_click.set_label("Applying\u{2026}");
+            let status = status_for_click.clone();
+            let current_lbl = current_lbl.clone();
+            apply_timezone(tz, move |msg, ok, tz| {
+                status.set_label(&msg);
+                if ok {
+                    current_lbl.set_label(&format!("Current timezone: {tz}"));
+                }
+            });
+        });
+        self.content.append(&apply);
+        self.content.append(&status);
+    }
+
+    fn render_network(self: &Rc<Self>) {
+        let blurb = Label::new(Some(
+            "Connect to Wi-Fi in BOS Settings (or the NetworkManager editor). This window does not manage networks itself.",
+        ));
+        blurb.set_wrap(true);
+        blurb.set_xalign(0.0);
+        self.content.append(&blurb);
+
+        if let Some((label, prog, args)) = pick_network_tool(
+            exec::command_exists("bos-settings"),
+            exec::command_exists("nm-connection-editor"),
+        ) {
+            let btn = Button::with_label(label);
+            btn.set_halign(Align::Start);
+            let prog = prog.to_string();
+            let args: Vec<String> = args.iter().map(|s| (*s).to_string()).collect();
+            btn.connect_clicked(move |_| {
+                let argv: Vec<&str> = args.iter().map(String::as_str).collect();
+                exec::run_argv(&prog, &argv);
+            });
+            self.content.append(&btn);
+        } else {
+            let hint = Label::new(Some(
+                "No network UI found. Run `breadcrumbs` or `nmcli` in a terminal to connect.",
+            ));
+            hint.set_wrap(true);
+            hint.set_xalign(0.0);
+            hint.add_css_class("dim-label");
+            self.content.append(&hint);
+        }
+
+        if exec::command_exists("breadcrumbs") {
+            let crumbs = Label::new(Some(
+                "Location profiles (home / work / away) are handled by breadcrumbs once a network is saved.",
+            ));
+            crumbs.set_wrap(true);
+            crumbs.set_xalign(0.0);
+            crumbs.add_css_class("dim-label");
+            self.content.append(&crumbs);
+        }
+    }
+
+    fn render_updates(self: &Rc<Self>) {
+        let blurb = Label::new(Some(
+            "When you're online, check for system and bread-ecosystem updates. Nothing is installed from this step.",
+        ));
+        blurb.set_wrap(true);
+        blurb.set_xalign(0.0);
+        self.content.append(&blurb);
+
+        if let Some((label, prog, args)) = pick_updates_tool(exec::command_exists("bos-settings")) {
+            let btn = Button::with_label(label);
+            btn.set_halign(Align::Start);
+            let prog = prog.to_string();
+            let args: Vec<String> = args.iter().map(|s| (*s).to_string()).collect();
+            btn.connect_clicked(move |_| {
+                let argv: Vec<&str> = args.iter().map(String::as_str).collect();
+                exec::run_argv(&prog, &argv);
+            });
+            self.content.append(&btn);
+        }
+
+        let hint = Label::new(Some(if exec::command_exists("bos-settings") {
+            "Or run `bos-update` in a terminal."
+        } else {
+            "BOS Settings isn't installed. Run `bos-update` in a terminal when you're ready."
+        }));
+        hint.set_wrap(true);
+        hint.set_xalign(0.0);
+        hint.add_css_class("dim-label");
+        self.content.append(&hint);
+    }
+
+    fn render_snapshot(self: &Rc<Self>) {
+        let available = exec::command_exists("snapper");
+        let blurb = Label::new(Some(if available {
+            "A snapshot is a restore point. We'll try to create one named day-zero — if this machine doesn't allow it, that's fine."
+        } else {
+            "snapper isn't available on this system, so no first-boot snapshot will be created. You can skip this."
+        }));
+        blurb.set_wrap(true);
+        blurb.set_xalign(0.0);
+        self.content.append(&blurb);
+
+        let status = Label::new(None);
+        status.set_xalign(0.0);
+        status.add_css_class("dim-label");
+
+        if available {
+            let retry = Button::with_label("Create snapshot");
+            retry.set_halign(Align::Start);
+            let status_click = status.clone();
+            retry.connect_clicked(move |_| {
+                status_click.set_label("Creating snapshot\u{2026}");
+                let status = status_click.clone();
+                create_day_zero_snapshot(move |ok| {
+                    status.set_label(snapshot_status(ok));
+                });
+            });
+            self.content.append(&retry);
+
+            if !State::load().day_zero_snapshot_attempted() {
+                let mut state = State::load();
+                state.set_day_zero_snapshot_attempted(true);
+                status.set_label("Creating snapshot\u{2026}");
+                let status = status.clone();
+                create_day_zero_snapshot(move |ok| {
+                    status.set_label(snapshot_status(ok));
+                });
+            }
+        }
+
+        self.content.append(&status);
+    }
+
+    fn render_finish(self: &Rc<Self>) {
+        let blurb = Label::new(Some(
+            "You're set. Next is a short tour of the real desktop. Super+/ opens this help center any time — the Home tab is the keybind cheatsheet.",
+        ));
+        blurb.set_wrap(true);
+        blurb.set_xalign(0.0);
+        self.content.append(&blurb);
+    }
+}
+
+fn step_title(step: Step) -> &'static str {
+    match step {
+        Step::Welcome => "Welcome to BOS",
+        Step::Timezone => "Timezone",
+        Step::Network => "Network",
+        Step::Updates => "Updates",
+        Step::Snapshot => "Snapshot",
+        Step::Finish => "You're ready",
+    }
+}
+
+fn snapshot_status(ok: bool) -> &'static str {
+    if ok {
+        "Created snapshot “day-zero”."
+    } else {
+        "Couldn't create a snapshot (that's OK — you can do this later from Settings)."
+    }
+}
+
+fn load_timezones() -> (String, Vec<String>) {
+    let current = Command::new("timedatectl")
+        .args(["show", "--property=Timezone"])
+        .output()
+        .ok()
+        .filter(|o| o.status.success())
+        .and_then(|o| parse_timezone_property(&String::from_utf8_lossy(&o.stdout)))
+        .unwrap_or_default();
+    let zones = Command::new("timedatectl")
+        .arg("list-timezones")
+        .output()
+        .ok()
+        .filter(|o| o.status.success())
+        .map(|o| parse_timezone_list(&String::from_utf8_lossy(&o.stdout)))
+        .unwrap_or_default();
+    (current, zones)
+}
+
+fn apply_timezone(tz: String, on_done: impl Fn(String, bool, String) + 'static) {
+    let (tx, rx) = async_channel::bounded(1);
+    std::thread::spawn(move || {
+        let direct = Command::new("timedatectl")
+            .args(["set-timezone", &tz])
+            .status();
+        if direct.map(|s| s.success()).unwrap_or(false) {
+            let _ = tx.send_blocking((format!("Timezone set to {tz}."), true, tz));
+            return;
+        }
+        if !exec::command_exists("pkexec") {
+            let _ = tx.send_blocking((
+                "Need permission to change the timezone, and pkexec isn't available.".into(),
+                false,
+                tz,
+            ));
+            return;
+        }
+        let elevated = Command::new("pkexec")
+            .args(["timedatectl", "set-timezone", &tz])
+            .status();
+        if elevated.map(|s| s.success()).unwrap_or(false) {
+            let _ = tx.send_blocking((format!("Timezone set to {tz}."), true, tz));
+        } else {
+            let _ = tx.send_blocking((
+                "Couldn't change the timezone. You can try again from BOS Settings.".into(),
+                false,
+                tz,
+            ));
+        }
+    });
+    glib::MainContext::default().spawn_local(async move {
+        if let Ok((msg, ok, tz)) = rx.recv().await {
+            on_done(msg, ok, tz);
+        }
+    });
+}
+
+fn create_day_zero_snapshot(on_done: impl Fn(bool) + 'static) {
+    exec::run_argv_reporting(
+        "snapper",
+        &["-c", "root", "create", "-d", "day-zero"],
+        on_done,
+    );
+}
+
+/// Used by `window` after the wizard finishes: drop the Welcome tab so the
+/// help center is just Home/Learn/Ask again.
+pub fn detach(stack: &Stack) {
+    if let Some(child) = stack.child_by_name(PAGE_NAME) {
+        stack.remove(&child);
+    }
+    if stack.child_by_name("home").is_some() {
+        stack.set_visible_child_name("home");
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn existing_onboarding_skips_wizard() {
+        assert!(!needs_wizard_from(false, true));
+        assert!(!needs_wizard_from(true, true));
+        assert!(!needs_wizard_from(true, false));
+        assert!(needs_wizard_from(false, false));
+    }
+
+    #[test]
+    fn network_prefers_bos_settings_then_nm() {
+        let (label, prog, args) = pick_network_tool(true, true).unwrap();
+        assert_eq!(prog, "bos-settings");
+        assert_eq!(args, &["--page", "network"]);
+        assert!(label.contains("network"));
+        let (_, prog, _) = pick_network_tool(false, true).unwrap();
+        assert_eq!(prog, "nm-connection-editor");
+        assert!(pick_network_tool(false, false).is_none());
+    }
+
+    #[test]
+    fn updates_tool_only_when_settings_exists() {
+        assert!(pick_updates_tool(true).is_some());
+        assert!(pick_updates_tool(false).is_none());
+    }
+
+    #[test]
+    fn timezone_names_reject_shell_metacharacters() {
+        assert!(is_safe_timezone_name("Australia/Perth"));
+        assert!(is_safe_timezone_name("Etc/GMT+8"));
+        assert!(is_safe_timezone_name("America/Argentina/ComodRivadavia"));
+        assert!(!is_safe_timezone_name(""));
+        assert!(!is_safe_timezone_name("America/New York"));
+        assert!(!is_safe_timezone_name("x; rm -rf /"));
+        assert!(!is_safe_timezone_name("$(reboot)"));
+    }
+
+    #[test]
+    fn parses_timedatectl_show_and_list() {
+        assert_eq!(
+            parse_timezone_property("Timezone=Australia/Perth\n").as_deref(),
+            Some("Australia/Perth")
+        );
+        assert_eq!(parse_timezone_property("Timezone=\n"), None);
+        assert_eq!(
+            parse_timezone_list("Africa/Abidjan\nAustralia/Perth\n\nUTC\n"),
+            vec!["Africa/Abidjan", "Australia/Perth", "UTC"]
+        );
+    }
+}

src/ui/mod.rs

@@ -1,4 +1,5 @@
 pub mod ask;
+pub mod day_zero;
 pub mod guide_view;
 pub mod home;
 pub mod keybind_viewer;

src/ui/window.rs

@@ -6,10 +6,11 @@ use gtk4::{Application, ApplicationWindow, Box as GBox, Orientation, Stack, Stac
 
 use crate::cli::Action;
 use crate::config::State;
+use crate::content::keybinds::Keybind;
 use crate::content::{keybinds, ContentStore};
 
 use super::home::Home;
-use super::{ask, learn, modes, tabs, tour};
+use super::{ask, day_zero, learn, modes, tabs, tour};
 
 const DEFAULT_TAB: &str = "home";
 
@@ -17,6 +18,8 @@ struct Handle {
     window: ApplicationWindow,
     home: Home,
     stack: Stack,
+    store: Rc<ContentStore>,
+    binds: Rc<Vec<Keybind>>,
 }
 
 thread_local! {
@@ -69,16 +72,39 @@ pub fn present(app: &Application, action: Action) {
         }
 
         // Every-login autostart builds the window (so the app is ready to
-        // respond to SUPER+/ instantly) but only starts the tour / pops the
-        // window open on a genuine first run — never on later logins.
-        if action.autostart && !State::load().onboarding_completed() {
+        // respond to SUPER+/ instantly) but only shows UI on a genuine
+        // first run — never on later logins. First run is now the in-window
+        // day-zero wizard; the live tour starts when that finishes.
+        let onboarded = State::load().onboarding_completed();
+        if action.autostart && onboarded {
+            return;
+        }
+
+        if day_zero::needs_wizard() {
+            let stack = handle.stack.clone();
+            let display = display.clone();
+            day_zero::attach(&handle.stack, &handle.store, &handle.binds, move || {
+                // Drop the Welcome tab after the click handler returns —
+                // removing it here would destroy the Skip/Finish button
+                // mid-signal.
+                let stack = stack.clone();
+                let display = display.clone();
+                glib::idle_add_local_once(move || {
+                    day_zero::detach(&stack);
+                    if !State::load().onboarding_completed() {
+                        tour::start(&display);
+                    }
+                });
+            });
+            show_window(&handle.window, action.autostart);
+            return;
+        }
+
+        if action.autostart && !onboarded {
             tour::start(&display);
             return;
         }
-        let silent_autostart = action.autostart && State::load().onboarding_completed();
-        if !silent_autostart {
-            show_window(&handle.window, action.autostart);
-        }
+        show_window(&handle.window, action.autostart);
     });
 }
 
@@ -126,8 +152,16 @@ fn build(app: &Application) -> Handle {
         }
     });
     stack.add_titled(&home.root, Some("home"), "Home");
-    stack.add_titled(&learn::build(&store, &binds, state.mode()), Some("learn"), "Learn");
-    stack.add_titled(&ask::build(store.clone(), binds.clone(), state.mode()), Some("ask"), "Ask");
+    stack.add_titled(
+        &learn::build(&store, &binds, state.mode()),
+        Some("learn"),
+        "Learn",
+    );
+    stack.add_titled(
+        &ask::build(store.clone(), binds.clone(), state.mode()),
+        Some("ask"),
+        "Ask",
+    );
     stack.set_visible_child_name(DEFAULT_TAB);
 
     let switcher = tabs::build(&stack);
@@ -138,12 +172,17 @@ fn build(app: &Application) -> Handle {
 
     window.set_child(Some(&content_vbox));
     // Deliberately not presented here — `present()` (the caller) decides
-    // whether this initial build should actually be shown (see
-    // `silent_autostart` above), so a from-cold every-login autostart with
-    // onboarding already complete builds a ready-but-hidden window instead
-    // of flashing it open. On a genuine first run, the tour overlay runs
-    // independently of this window (see `tour::start`) — it never needs to
-    // be shown at all until the user explicitly opens it later.
+    // whether this initial build should actually be shown, so a from-cold
+    // every-login autostart with onboarding already complete builds a
+    // ready-but-hidden window instead of flashing it open. First run
+    // presents the window with the day-zero wizard; the tour overlay
+    // starts after that finishes.
 
-    Handle { window, home, stack }
+    Handle {
+        window,
+        home,
+        stack,
+        store,
+        binds,
+    }
 }