feat: module domain avec trait MarkdownRenderer et RenderOptions

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src-tauri/src/domain/markdown.rs

@@ -0,0 +1,27 @@
+#[allow(dead_code)]
+pub trait MarkdownRenderer: Send + Sync {
+    fn render(&self, content: &str) -> String;
+}
+
+#[derive(Default)]
+#[allow(dead_code)]
+pub struct RenderOptions {
+    pub tables: bool,
+    pub strikethrough: bool,
+    pub autolink: bool,
+    pub tasklist: bool,
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn render_options_default_all_false() {
+        let opts = RenderOptions::default();
+        assert!(!opts.tables);
+        assert!(!opts.strikethrough);
+        assert!(!opts.autolink);
+        assert!(!opts.tasklist);
+    }
+}

src-tauri/src/domain/mod.rs

@@ -0,0 +1,4 @@
+mod markdown;
+
+#[allow(unused_imports)]
+pub use markdown::{MarkdownRenderer, RenderOptions};

src-tauri/src/lib.rs

@@ -1,4 +1,5 @@
 mod core;
+mod domain;
 mod watcher;
 
 use std::sync::Mutex;