feat: port el-ui vessels — rename crates→vessels, add El source + manifests

ui/vessels/el-ui-compiler/src/main.rs

@@ -0,0 +1,46 @@
+//! el-ui-compiler CLI
+//!
+//! Usage:
+//!   el-ui-compiler <input.el> [-o <output.js>]
+
+use std::fs;
+use std::path::PathBuf;
+
+fn main() {
+    let args: Vec<String> = std::env::args().collect();
+
+    if args.len() < 2 {
+        eprintln!("Usage: el-ui-compiler <input.el> [-o output.js]");
+        std::process::exit(1);
+    }
+
+    let input = PathBuf::from(&args[1]);
+    let output = if args.len() >= 4 && args[2] == "-o" {
+        PathBuf::from(&args[3])
+    } else {
+        input.with_extension("js")
+    };
+
+    let source = match fs::read_to_string(&input) {
+        Ok(s) => s,
+        Err(e) => {
+            eprintln!("Error reading {}: {}", input.display(), e);
+            std::process::exit(1);
+        }
+    };
+
+    let compiler = el_ui_compiler::Compiler::new();
+    match compiler.compile_component(&source) {
+        Ok(js) => {
+            if let Err(e) = fs::write(&output, js) {
+                eprintln!("Error writing {}: {}", output.display(), e);
+                std::process::exit(1);
+            }
+            println!("Compiled {} -> {}", input.display(), output.display());
+        }
+        Err(e) => {
+            eprintln!("Compile error: {}", e);
+            std::process::exit(1);
+        }
+    }
+}