new sce banner

cli/src/command_surface.rs

@@ -1,16 +1,20 @@
 use std::fmt::Write;
 
 use crate::{cli_schema, services};
-use services::style::{banner_with_gradient, command_name, heading};
+use services::style::{banner_link, banner_with_gradient, command_name, heading};
 
 const SCE_BANNER_LINES: &[&str] = &[
-    r"  ______     ______  ________  ",
-    r".' ____ \  .' ___  ||_   __  | ",
-    r"| (___ \_|/ .'   \_|  | |_ \_| ",
-    r" _.____`. | |         |  _| _  ",
-    r"| \____) |\ `.___.'\ _| |__/ | ",
-    r" \______.' `.____ .'|________| ",
+    "███████╗ ██████╗███████╗",
+    "██╔════╝██╔════╝██╔════╝",
+    "███████╗██║     █████╗",
+    "╚════██║██║     ██╔══╝",
+    "███████║╚██████╗███████╗",
+    "╚══════╝ ╚═════╝╚══════╝",
 ];
+const SCE_BANNER_VISIT_PREFIX: &str = "Visit ";
+const SCE_BANNER_VISIT_LINK_TEXT: &str = "sce.crocoder.dev";
+const SCE_BANNER_VISIT_LINK_URL: &str = "https://sce.crocoder.dev";
+const SCE_BANNER_VISIT_SUFFIX: &str = " to learn more.";
 
 const HELP_COMMAND_NAME: &str = "help";
 const HELP_COMMAND_PURPOSE: &str = "Show help for the current CLI surface";
@@ -130,10 +134,18 @@ fn push_section(out: &mut String, section: &str) {
     out.push_str(section);
 }
 
+fn sce_banner() -> String {
+    format!(
+        "{}\n{SCE_BANNER_VISIT_PREFIX}{}{SCE_BANNER_VISIT_SUFFIX}",
+        banner_with_gradient(SCE_BANNER_LINES),
+        banner_link(SCE_BANNER_VISIT_LINK_TEXT, SCE_BANNER_VISIT_LINK_URL)
+    )
+}
+
 pub fn help_text() -> String {
     let mut output = String::new();
 
-    push_section(&mut output, &banner_with_gradient(SCE_BANNER_LINES));
+    push_section(&mut output, &sce_banner());
     push_blank_line(&mut output);
     push_blank_line(&mut output);
 

cli/src/services/style.rs

@@ -257,6 +257,18 @@ fn is_help_placeholder(token: &str) -> bool {
         .any(|ch| ch.is_ascii_uppercase() || matches!(ch, '<' | '>' | '[' | ']'))
 }
 
+#[must_use]
+pub fn banner_link(text: &str, url: &str) -> String {
+    banner_link_with_color_policy(text, url, supports_color())
+}
+
+#[must_use]
+pub(crate) fn banner_link_with_color_policy(text: &str, url: &str, color_enabled: bool) -> String {
+    style_if(text, color_enabled, |s| {
+        format!("\x1b]8;;{url}\x1b\\{}\x1b]8;;\x1b\\", s.cyan().underline())
+    })
+}
+
 /// Gradient color endpoints for the ASCII art banner.
 /// Right side: cyan (0, 255, 255), Left side: magenta (255, 0, 255).
 const GRADIENT_COLOR_RIGHT: (u8, u8, u8) = (0, 255, 255);
@@ -359,6 +371,24 @@ mod tests {
         assert!(styled.contains("SCE-ERR-RUNTIME"));
     }
 
+    #[test]
+    fn banner_link_wraps_cyan_underlined_text_in_hyperlink_when_color_enabled() {
+        let styled =
+            banner_link_with_color_policy("sce.crocoder.dev", "https://sce.crocoder.dev", true);
+        assert_eq!(
+            styled,
+            "\x1b]8;;https://sce.crocoder.dev\x1b\\\x1b[4m\x1b[36msce.crocoder.dev\x1b[39m\x1b[0m\x1b]8;;\x1b\\"
+        );
+    }
+
+    #[test]
+    fn banner_link_is_plain_when_color_disabled() {
+        assert_eq!(
+            banner_link_with_color_policy("sce.crocoder.dev", "https://sce.crocoder.dev", false),
+            "sce.crocoder.dev"
+        );
+    }
+
     #[test]
     fn error_code_is_plain_when_color_disabled() {
         assert_eq!(