Community links: Discord button in the title bar, ArtCraft community card on Home, About dialog with ArtCraft mark/wordmark and links, Help menu commands (help.discord/app_page/github/website), CLI --version and MCP websiteUrl, README Community section; 4 Lucide icons (attributed); regenerated screenshots with honest brand attribution

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

crates/engine/src/commands.rs

@@ -156,6 +156,10 @@ pub const COMMANDS: &[CommandSpec] = &[
     c("page.split", "Split document…", PAGES, None, Assembly, "scissors"),
     c("page.number", "Number pages…", PAGES, None, Assembly, "hash"),
     c("help.shortcuts", "Keyboard shortcuts", HELP, None, Nothing, "circle-help"),
+    c("help.discord", "Join the ArtCraft Discord", HELP, None, Nothing, "messages-square"),
+    c("help.app_page", "PrintCraft web page", HELP, None, Nothing, "globe"),
+    c("help.github", "PrintCraft on GitHub", HELP, None, Nothing, "code-xml"),
+    c("help.website", "ArtCraft website", HELP, None, Nothing, "external-link"),
     c("help.about", "About PrintCraft", HELP, None, Nothing, "info"),
 ];
 

crates/engine/src/lib.rs

@@ -12,6 +12,7 @@
 
 pub mod catalog;
 pub mod commands;
+pub mod links;
 
 pub use printcraft_organize::{SplitBy, split_ranges};
 

crates/engine/src/links.rs

@@ -0,0 +1,45 @@
+//! Where PrintCraft and the ArtCraft community live on the web. One table, so the Help menu, the
+//! About dialog, the home screen, the CLI and the README agree.
+
+/// The app's name in ArtCraft URLs (`getartcraft.com/apps/{APP}`, `github.com/storytold/{APP}`).
+pub const APP: &str = "printcraft";
+
+pub const DISCORD: &str = "https://discord.gg/artcraft";
+pub const WEBSITE: &str = "https://getartcraft.com";
+pub const APP_PAGE: &str = "https://getartcraft.com/apps/printcraft";
+pub const GITHUB: &str = "https://github.com/storytold/printcraft";
+
+/// A link and the registry command that opens it.
+#[derive(Clone, Copy, Debug)]
+pub struct Link {
+    pub command: &'static str,
+    pub label: &'static str,
+    pub url: &'static str,
+    /// Lucide icon name.
+    pub icon: &'static str,
+}
+
+/// In the order they are shown. Discord comes first: it is where people get help fastest.
+pub const LINKS: &[Link] = &[
+    Link { command: "help.discord", label: "Join the ArtCraft Discord", url: DISCORD, icon: "messages-square" },
+    Link { command: "help.app_page", label: "PrintCraft web page", url: APP_PAGE, icon: "globe" },
+    Link { command: "help.github", label: "PrintCraft on GitHub", url: GITHUB, icon: "code-xml" },
+    Link { command: "help.website", label: "ArtCraft website", url: WEBSITE, icon: "external-link" },
+];
+
+pub fn for_command(id: &str) -> Option<&'static Link> {
+    LINKS.iter().find(|l| l.command == id)
+}
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn urls_follow_the_artcraft_scheme() {
+        assert_eq!(super::APP_PAGE, format!("{}/apps/{}", super::WEBSITE, super::APP));
+        assert_eq!(super::GITHUB, format!("https://github.com/storytold/{}", super::APP));
+        for l in super::LINKS {
+            assert!(l.url.starts_with("https://"), "{}", l.url);
+            assert!(crate::commands::command(l.command).is_some(), "{} is a registered command", l.command);
+        }
+    }
+}