Upgrade Iced and render Markdown tables

src/app/generation.rs

@@ -47,7 +47,7 @@ pub(super) struct ToolResultCheck {
     stage: ToolCheckStage,
 }
 
-#[derive(Clone, Debug)]
+#[derive(Debug)]
 pub(crate) struct ChatMessage {
     pub(super) id: i32,
     pub(super) user: bool,
@@ -59,7 +59,7 @@ pub(crate) struct ChatMessage {
     pub(super) reasoning_complete: bool,
     pub(super) reasoning_open: bool,
     pub(super) content: String,
-    pub(super) markdown: Vec<markdown::Item>,
+    pub(super) markdown: markdown::Content,
 }
 
 impl ChatMessage {
@@ -80,7 +80,7 @@ impl ChatMessage {
             } else {
                 visible
             };
-            self.markdown = markdown::parse(content).collect();
+            self.markdown = markdown::Content::parse(content);
         }
     }
 }
@@ -98,7 +98,7 @@ impl From<StoredMessage> for ChatMessage {
             reasoning_complete: message.reasoning_complete,
             reasoning_open: false,
             content: message.content,
-            markdown: Vec::new(),
+            markdown: iced::widget::markdown::Content::new(),
         };
         message.refresh_markdown();
         message
@@ -1349,6 +1349,37 @@ mod tests {
         );
     }
 
+    #[test]
+    fn assistant_markdown_keeps_llm_tables() {
+        let mut message = ChatMessage {
+            id: 1,
+            user: false,
+            tool: false,
+            system: false,
+            compaction: false,
+            compaction_tail_start: None,
+            reasoning: None,
+            reasoning_complete: true,
+            reasoning_open: false,
+            content: "### Core / Setup\n\n| File | Lines |\n|---|---:|\n| `src/app.rs` | **1,750** |\n| `src/engine.rs` | 2,400 |\n\n### Summary\n\nDone."
+                .to_owned(),
+            markdown: iced::widget::markdown::Content::new(),
+        };
+
+        message.refresh_markdown();
+
+        let table = message.markdown.items().iter().find_map(|item| {
+            if let iced::widget::markdown::Item::Table { columns, rows } = item {
+                Some((columns, rows))
+            } else {
+                None
+            }
+        });
+        let (columns, rows) = table.expect("the completed Markdown table must remain renderable");
+        assert_eq!(columns.len(), 2);
+        assert_eq!(rows.len(), 2);
+    }
+
     #[test]
     fn last_compaction_selects_its_tail_without_hiding_history() {
         let message = |id: i32, compaction: bool, tail: Option<i32>| ChatMessage {
@@ -1362,7 +1393,7 @@ mod tests {
             reasoning_complete: true,
             reasoning_open: false,
             content: format!("message {id}"),
-            markdown: Vec::new(),
+            markdown: iced::widget::markdown::Content::new(),
         };
         let history = vec![
             message(1, false, None),
@@ -1394,7 +1425,7 @@ mod tests {
                 reasoning_complete: true,
                 reasoning_open: false,
                 content: format!("message {id}"),
-                markdown: Vec::new(),
+                markdown: iced::widget::markdown::Content::new(),
             };
         let mut history = vec![
             message(1, true, false, false, false),