feat: MVP release - core runtime, macros, and CLI

Cargo.toml

@@ -1,4 +1,4 @@
 [workspace]
-members = ["kovar", "kovar-cli", "kovar-macros"]
+members = ["kovar", "kovar-cli", "kovar-macros", "examples/demo"]
 
 resolver = "3"

Justfile

@@ -0,0 +1,60 @@
+# Kovar development commands
+
+# Use PowerShell on Windows
+set windows-powershell := true
+
+# Default: show available commands
+default:
+    @just --list
+
+# === CLI Commands ===
+
+# Create a new Kovar project
+cli-new name:
+    cargo run -p kovar-cli -- new {{name}}
+
+# Launch the visual editor
+cli-edit *args:
+    cargo run -p kovar-cli -- edit {{args}}
+
+# === Build Commands ===
+
+# Build all packages
+build:
+    cargo build --release
+
+# Build CLI only
+build-cli:
+    cargo build -p kovar-cli --release
+
+# === Demo Commands ===
+
+# Run the demo project
+demo:
+    cargo run -p demo
+
+# Build the demo project
+build-demo:
+    cargo build -p demo --release
+
+# Edit demo UI
+edit-demo:
+    cargo run -p kovar-cli -- edit examples/demo/ui/index.html
+
+# === Development ===
+
+# Check all packages
+check:
+    cargo check --workspace
+
+# Run clippy lints
+lint:
+    cargo clippy --workspace
+
+# Format code
+fmt:
+    cargo fmt --all
+
+# Clean build artifacts
+clean:
+    cargo clean

examples/demo/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "demo"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+kovar = { path = "../../kovar" }
+serde_json = "1.0"
+tokio = { version = "1", features = ["full"] }
+sysinfo = "0.37.2"
+chrono = "0.4"
+rand = "0.9.2"

examples/demo/src/main.rs

@@ -0,0 +1,84 @@
+use chrono::Local;
+use kovar::import_html;
+use rand::rngs::SmallRng;
+use rand::seq::IndexedRandom;
+use rand::{Rng, SeedableRng};
+use sysinfo::System;
+
+import_html!("ui/index.html");
+
+#[tokio::main]
+async fn main() {
+    let ui = UI::new();
+
+    // Left cat: Time and weekday
+    ui.spawn(|ui| async move {
+        loop {
+            let now = Local::now();
+            ui.text_1.set(&now.format("%H:%M").to_string());
+            ui.text_2.set(&now.format("%a").to_string()); // Mon, Tue, etc.
+            tokio::time::sleep(tokio::time::Duration::from_secs(1)).await;
+        }
+    });
+
+    // Left cat: System stats
+    ui.spawn(|ui| async move {
+        let mut sys = System::new_all();
+        loop {
+            sys.refresh_cpu_usage();
+            sys.refresh_memory();
+
+            let cpu = sys.global_cpu_usage();
+            let mem = sys.used_memory() as f64 / sys.total_memory() as f64 * 100.0;
+
+            ui.text_3.set(&format!("{:.1}%", cpu));
+            ui.text_4.set(&format!("{:.1}%", mem));
+
+            tokio::time::sleep(tokio::time::Duration::from_millis(500)).await;
+        }
+    });
+
+    // Right cat: Random moods
+    ui.spawn(|ui| async move {
+        let moods = ["^_^", ">_<", "o_o", "=^.^=", "zzZ", ":3", "uwu", "owo"];
+        let mut rng = SmallRng::from_os_rng();
+        loop {
+            let mood = moods.choose(&mut rng).unwrap();
+            ui.text_5.set(mood);
+            tokio::time::sleep(tokio::time::Duration::from_secs(2)).await;
+        }
+    });
+
+    // Right cat: Random cat sounds
+    ui.spawn(|ui| async move {
+        let sounds = ["meow", "purr", "hiss", "mrrp", "nya~"];
+        let mut rng = SmallRng::from_os_rng();
+        loop {
+            let sound = sounds.choose(&mut rng).unwrap();
+            ui.text_6.set(sound);
+            tokio::time::sleep(tokio::time::Duration::from_secs(3)).await;
+        }
+    });
+
+    // Right cat: Counter
+    ui.spawn(|ui| async move {
+        let mut count: u32 = 0;
+        loop {
+            ui.text_7.set(&format!("{:05}", count % 100000));
+            count = count.wrapping_add(1);
+            tokio::time::sleep(tokio::time::Duration::from_millis(50)).await;
+        }
+    });
+
+    // Right cat: Random number
+    ui.spawn(|ui| async move {
+        let mut rng = SmallRng::from_os_rng();
+        loop {
+            let n: u32 = rng.random_range(0..10000);
+            ui.text_8.set(&format!("#{:04}", n));
+            tokio::time::sleep(tokio::time::Duration::from_millis(200)).await;
+        }
+    });
+
+    ui.run().await;
+}

kovar-cli/Cargo.toml

@@ -10,7 +10,9 @@ path = "src/main.rs"
 [dependencies]
 axum = "0.8.8"
 clap = { version = "4.5.54", features = ["derive"] }
+mime_guess = "2.0.5"
 opener = "0.8.3"
+rust-embed = "8.9.0"
 serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.148"
 tokio = { version = "1.49.0", features = ["full"] }

kovar-cli/assets/editor/index.html

@@ -0,0 +1,14 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="https://cdn.jsdelivr.net/gh/kovar-rs/kovar-editor@gh-pages/vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Kovar Editor</title>
+    <script type="module" crossorigin src="https://cdn.jsdelivr.net/gh/kovar-rs/kovar-editor@gh-pages/editor.min.js"></script>
+    <link rel="stylesheet" crossorigin href="https://cdn.jsdelivr.net/gh/kovar-rs/kovar-editor@gh-pages/editor.min.css">
+  </head>
+  <body>
+    <div id="root"></div>
+  </body>
+</html>