diff --git a/codex-rs/tui/src/markdown_copy.rs b/codex-rs/tui/src/markdown_copy.rs
index ae135e1b75..d2513211a8 100644
--- a/codex-rs/tui/src/markdown_copy.rs
+++ b/codex-rs/tui/src/markdown_copy.rs
@@ -271,6 +271,55 @@ pub(crate) fn selection(lines: &[SelectedLine], plain: &str) -> (String, CopyFor
     {
         return (plain.to_owned(), CopyFormat::PlainText);
     }
+    // Quote-only selections omit quote markers. Tables and task lists still need their
+    // semantic metadata to reconstruct cell fragments and preserve checkbox state.
+    let mut content = lines
+        .iter()
+        .filter(|line| {
+            !line.range.is_empty() && !line.source.copy.as_ref().is_some_and(|copy| copy.omit)
+        })
+        .peekable();
+    let quote_only = content.peek().is_some()
+        && content.all(|line| {
+            line.source
+                .copy
+                .as_ref()
+                .is_some_and(|copy| copy.prefix.contains("> "))
+        });
+    let unquoted;
+    let lines = if quote_only {
+        if !lines.iter().any(|line| {
+            (!line.range.is_empty() || line.source.text.is_empty())
+                && line.source.copy.as_ref().is_some_and(|copy| {
+                    !copy.omit
+                        && (copy.table.is_some()
+                            || copy.item_prefix.contains("[x] ")
+                            || copy.item_prefix.contains("[ ] "))
+                })
+        }) {
+            return (plain.to_owned(), CopyFormat::PlainText);
+        }
+        unquoted = lines
+            .iter()
+            .map(|line| {
+                let mut source = line.source.clone();
+                if let Some(copy) = source.copy.as_mut() {
+                    let copy = Arc::make_mut(copy);
+                    copy.prefix = copy.prefix.replace("> ", "");
+                    copy.continuation = copy.continuation.replace("> ", "");
+                    copy.item_prefix = copy.item_prefix.replace("> ", "");
+                }
+                SelectedLine {
+                    source,
+                    range: line.range.clone(),
+                    separator: line.separator.clone(),
+                }
+            })
+            .collect::<Vec<_>>();
+        &unquoted
+    } else {
+        lines
+    };
     let rich = lines.iter().any(|line| {
         !line.range.is_empty()
             && line
diff --git a/codex-rs/tui/src/markdown_render.rs b/codex-rs/tui/src/markdown_render.rs
index 6c129f3b76..c5033f8045 100644
--- a/codex-rs/tui/src/markdown_render.rs
+++ b/codex-rs/tui/src/markdown_render.rs
@@ -997,8 +997,9 @@ impl<'a, 'policy> Writer<'a, 'policy> {
             let index = self.text.len();
             self.push_blank_line();
             if let Some(line) = self.text.get_mut(index) {
-                let mut source =
-                    crate::terminal_hyperlinks::LogicalLineSource::from_line(&line.line);
+                let mut source = line.source.clone().unwrap_or_else(|| {
+                    crate::terminal_hyperlinks::LogicalLineSource::from_line(&line.line)
+                });
                 let mut copy = crate::markdown_copy::CopyLine::default();
                 copy.omit = true;
                 source.copy = Some(std::sync::Arc::new(copy));
diff --git a/codex-rs/tui/src/transcript_view/markdown_copy_tests.rs b/codex-rs/tui/src/transcript_view/markdown_copy_tests.rs
index 443afe61d0..6d7d5304a0 100644
--- a/codex-rs/tui/src/transcript_view/markdown_copy_tests.rs
+++ b/codex-rs/tui/src/transcript_view/markdown_copy_tests.rs
@@ -423,7 +423,7 @@ fn complete_rules_keep_structure_and_partial_rules_keep_selected_text() {
     let mut copies = Vec::new();
     for (source, partial) in [
         ("Before\n\n---\n\nAfter", "—"),
-        ("Before\n\n> ---\n\nAfter", "> —"),
+        ("Before\n\n> ---\n\nAfter", "—"),
     ] {
         let layout = markdown_layout(source, /*width*/ 80);
         let copied = payload(&layout, 0..layout.text().len()).0;
@@ -461,7 +461,11 @@ fn partial_prose_keeps_leading_whitespace_outside_code_blocks() {
     ] {
         let layout = markdown_layout(source, /*width*/ 80);
         let start = layout.text().find("prefix").unwrap() + "prefix".len();
-        let copied = payload(&layout, start..layout.text().len()).0;
+        let (copied, format) = payload(&layout, start..layout.text().len());
+        if format == CopyFormat::PlainText {
+            copies.push(format!("{copied}\n{format:?}"));
+            continue;
+        }
         copies.push(format!(
             "{copied}\n{}",
             crate::clipboard_html::render_markdown(&copied)
@@ -711,7 +715,14 @@ fn selected_list_and_code_containers_keep_their_structure() {
         let layout = markdown_layout(source, /*width*/ 80);
         let start = layout.text().find(start).expect(source);
         let end = layout.text().rfind(end).expect(source) + end.len();
-        let copied = payload(&layout, start..end).0;
+        let (copied, format) = payload(&layout, start..end);
+        if source.starts_with('>') {
+            assert_eq!(
+                (copied.as_str(), format),
+                (&layout.text()[start..end], CopyFormat::PlainText)
+            );
+            continue;
+        }
         assert_eq!(
             crate::clipboard_html::render_markdown(&copied),
             crate::clipboard_html::render_markdown(expected),
diff --git a/codex-rs/tui/src/transcript_view/markdown_element_copy_tests.rs b/codex-rs/tui/src/transcript_view/markdown_element_copy_tests.rs
index a22d3a8242..76028b0a8d 100644
--- a/codex-rs/tui/src/transcript_view/markdown_element_copy_tests.rs
+++ b/codex-rs/tui/src/transcript_view/markdown_element_copy_tests.rs
@@ -12,7 +12,7 @@ fn supported_elements_preserve_structure_at_narrow_and_wide_widths() {
         "Escaped \\*stars\\*, &amp; entity, café 界, and 👩‍💻.",
         "- first\n- second\n  - nested\n\n3. third\n4. fourth",
         "- [ ] pending\n- [x] complete",
-        "> quoted **text**\n>\n> - item\n>   - nested",
+        "Before\n\n> quoted **text**\n>\n> - item\n>   - nested\n\nAfter",
         "First paragraph.\n\nHard break:  \nnext line.\n\n---\n\nLast paragraph.",
         "Prose\n\n```\nlet x = \"*literal* <tag>\";\n```\n\nAfter",
         "Image ![**alt** text](https://example.com/image.png).",
@@ -73,3 +73,161 @@ fn math_and_mermaid_copy_the_visible_rendering() {
         }
     }
 }
+
+#[test]
+fn blockquote_selection_copies_only_selected_content() {
+    let mut copies = Vec::new();
+    for (source, selected) in [
+        ("> quoted text", "quoted text"),
+        ("> quoted text", "quoted"),
+        ("> quoted text", "text"),
+        ("> first line\n> second line", "first line\nsecond line"),
+        (
+            "> first paragraph\n>\n> second paragraph",
+            "first paragraph\n\nsecond paragraph",
+        ),
+        (
+            "> outer\n>> nested café界\n>\n> outer again",
+            "outer\n\nnested café界\n\nouter again",
+        ),
+        ("> **bold** and `code`", "bold and code"),
+        ("> **bold**\n>\n> - [x] task", "bold\n\n"),
+        ("> **bold**\n>\n> | A |\n> |---|\n> | cell |", "bold\n\n"),
+        (
+            "> literal \\> marker and a > b",
+            "literal > marker and a > b",
+        ),
+        ("Before\n\n> quoted text\n\nAfter", "quoted text"),
+        ("Before\n\n> quoted text\n\nAfter", "quoted text\n"),
+        ("Before\n\n> quoted text\n\nAfter", "\nquoted text"),
+        (
+            "> - first\n>   continuation\n> - second",
+            "first\ncontinuation\n\nsecond",
+        ),
+    ] {
+        for width in [18, 80] {
+            let layout = markdown_layout(source, width);
+            let start = layout.text().find(selected).expect(source);
+            let copied = payload(&layout, start..start + selected.len());
+            assert_eq!(copied, (selected.into(), CopyFormat::PlainText), "{source}");
+            assert_eq!(
+                payload(&layout.rewrap(/*width*/ 12), start..start + selected.len()),
+                copied
+            );
+            if width == 80 && copies.len() < 3 {
+                copies.push(format!("{source}\nSelected {selected:?} -> {copied:?}"));
+            }
+        }
+    }
+    insta::assert_snapshot!(copies.join("\n"), @r#"
+    > quoted text
+    Selected "quoted text" -> ("quoted text", PlainText)
+    > quoted text
+    Selected "quoted" -> ("quoted", PlainText)
+    > quoted text
+    Selected "text" -> ("text", PlainText)
+    "#);
+}
+
+#[test]
+fn quoted_tables_reconstruct_wrapped_cell_values() {
+    let table = "| Path |\n|---|\n| `/long/path/to/a/file/with_a_long_name.rs` |";
+    for prefix in ["> ", "> > "] {
+        let source = table
+            .lines()
+            .map(|line| format!("{prefix}{line}"))
+            .collect::<Vec<_>>()
+            .join("\n");
+        for width in [18, 80] {
+            let layout = markdown_layout(&source, width);
+            let copied = payload(&layout, 0..layout.text().len());
+            assert_eq!(copied, (table.into(), CopyFormat::Markdown));
+            let start = layout.text().find("/long").unwrap();
+            let end = layout.text().rfind(".rs").unwrap() + 3;
+            let cell = payload(&layout, start..end);
+            assert_eq!(
+                cell,
+                (
+                    "/long/path/to/a/file/with_a_long_name.rs".into(),
+                    CopyFormat::PlainText
+                )
+            );
+            let rewrapped = layout.rewrap(/*width*/ 12);
+            assert_eq!(payload(&rewrapped, start..end), cell);
+            assert_eq!(payload(&rewrapped, 0..rewrapped.text().len()), copied);
+        }
+    }
+}
+
+#[test]
+fn quoted_task_lists_preserve_checkbox_states() {
+    for (source, expected) in [
+        (
+            "> - [x] Tests passed\n> - [ ] Deploy",
+            "- [x] Tests passed\n- [ ] Deploy",
+        ),
+        (
+            "> > 1. [ ] Tests passed\n> > 2. [x] Deploy",
+            "1. [ ] Tests passed\n2. [x] Deploy",
+        ),
+        ("> - [x] \n> - ordinary", "- [x]\n- ordinary"),
+        ("> - ordinary\n> - [ ] ", "- ordinary\n- [ ]"),
+    ] {
+        for width in [18, 80] {
+            let layout = markdown_layout(source, width);
+            let copied = payload(&layout, 0..layout.text().len());
+            assert_eq!(copied, (expected.into(), CopyFormat::Markdown));
+            let rewrapped = layout.rewrap(/*width*/ 12);
+            assert_eq!(payload(&rewrapped, 0..rewrapped.text().len()), copied);
+            if width == 80 && source.starts_with("> - [x] Tests") {
+                insta::assert_snapshot!(copied.0, @"
+                - [x] Tests passed
+                - [ ] Deploy
+                ");
+            }
+        }
+    }
+}
+
+#[test]
+fn mouse_selected_blockquote_copies_without_markers() {
+    use crossterm::event::KeyModifiers;
+    use crossterm::event::MouseButton;
+    use crossterm::event::MouseEvent;
+    use crossterm::event::MouseEventKind;
+
+    let cells: Vec<Arc<dyn HistoryCell>> = vec![Arc::new(AgentMarkdownCell::new(
+        "> quoted text".into(),
+        Path::new("/"),
+    ))];
+    let mut view = TranscriptView::default();
+    let area = Rect::new(
+        /*x*/ 0, /*y*/ 0, /*width*/ 32, /*height*/ 10,
+    );
+    view.render(area, &mut Buffer::empty(area), &cells);
+    for (kind, column) in [
+        (MouseEventKind::Down(MouseButton::Left), 0),
+        (MouseEventKind::Drag(MouseButton::Left), 31),
+    ] {
+        view.handle_mouse(
+            MouseEvent {
+                kind,
+                column,
+                row: 0,
+                modifiers: KeyModifiers::NONE,
+            },
+            &cells,
+        );
+    }
+    let plain = view.selected_text(&cells).unwrap();
+    view.copy_selected_text_with(
+        &cells,
+        &plain,
+        /*clear_selection*/ true,
+        |text, format| {
+            assert_eq!((text, format), ("quoted text", CopyFormat::PlainText));
+            Ok(crate::clipboard_copy::CopyStatus::Confirmed)
+        },
+    )
+    .unwrap();
+}
diff --git a/codex-rs/tui/src/transcript_view/snapshots/codex_tui__transcript_view__markdown_copy_tests__partial_prose_keeps_leading_whitespace_outside_code_blocks.snap b/codex-rs/tui/src/transcript_view/snapshots/codex_tui__transcript_view__markdown_copy_tests__partial_prose_keeps_leading_whitespace_outside_code_blocks.snap
index 720dc00cdd..01da63c642 100644
--- a/codex-rs/tui/src/transcript_view/snapshots/codex_tui__transcript_view__markdown_copy_tests__partial_prose_keeps_leading_whitespace_outside_code_blocks.snap
+++ b/codex-rs/tui/src/transcript_view/snapshots/codex_tui__transcript_view__markdown_copy_tests__partial_prose_keeps_leading_whitespace_outside_code_blocks.snap
@@ -1,6 +1,5 @@
 ---
 source: tui/src/transcript_view/markdown_copy_tests.rs
-assertion_line: 379
 expression: "copies.join(\"\\n---\\n\")"
 ---
 &#32;&#32;&#32;&#32;suffix
@@ -15,5 +14,5 @@ expression: "copies.join(\"\\n---\\n\")"
 <p>    <strong>suffix</strong></p>
 
 ---
-&#32;&#32;&#32;&#32;suffix
-<p>    suffix</p>
+    suffix
+PlainText