feat: add hierarchical review numbering and pr description header

src/model.rs

@@ -14,6 +14,7 @@ pub struct PrMeta {
     pub repo: String,
     pub pr_index: i64,
     pub title: String,
+    pub description: Option<String>,
     pub state: String,
     pub author: String,
     pub base_branch: String,

src/normalize.rs

@@ -32,6 +32,7 @@ pub fn normalize_bundle(repo: &str, bundle: PullBundleDto) -> PrReviewDocument {
             repo: repo.to_string(),
             pr_index: pull.number,
             title: pull.title,
+            description: pull.body,
             state: pull.state,
             author: pull.user.login,
             base_branch: pull.base.ref_name,

src/render/markdown.rs

@@ -62,6 +62,18 @@ pub fn render_markdown(doc: &PrReviewDocument) -> String {
         "# {} `#{}` {}\n\n",
         doc.meta.repo, doc.meta.pr_index, doc.meta.title
     ));
+    out.push_str(
+        "> 编号规则：Review `<pr>.<review>`；Comment `<pr>.<review>.<comment>`；Reply `<pr>.<review>.<comment>.<reply>`\n\n",
+    );
+    let pr_description = doc
+        .meta
+        .description
+        .as_deref()
+        .map(str::trim)
+        .filter(|value| !value.is_empty())
+        .unwrap_or("_PR 描述为空_");
+    out.push_str(pr_description);
+    out.push_str("\n\n");
 
     out.push_str("## Metadata\n\n");
     out.push_str(&format!("- state: {}\n", doc.meta.state));
@@ -100,7 +112,8 @@ pub fn render_markdown(doc: &PrReviewDocument) -> String {
 
     for (review_index, review) in doc.reviews.iter().enumerate() {
         out.push_str(&format!(
-            "## Review {} ({})\n\n",
+            "## Review {}.{} ({})\n\n",
+            doc.meta.pr_index,
             review_index + 1,
             review.state
         ));