enhance(md, config, cli): Mark wrapped table rows and truncate headers

crates/jp_cli/src/render/chat.rs

@@ -974,6 +974,7 @@ fn formatter_from_config(
     Formatter::with_width(wrap_width(config, terminal_width))
         .terminal_width(terminal_width.map_or(0, usize::from))
         .table_max_column_width(config.markdown.table_max_column_width)
+        .table_continuation_edge(config.markdown.table_continuation_edge)
         .theme(theme_name)
         .pretty_hr(pretty && config.markdown.hr_style.is_line())
         .inline_code_bg(

crates/jp_cli/src/render/chat_tests.rs

@@ -150,7 +150,11 @@ fn test_table_is_fitted_to_the_printers_terminal_width() {
     renderer.printer.flush();
 
     let rendered = strip_ansi(&out.lock());
-    let rows: Vec<&str> = rendered.lines().filter(|l| l.starts_with('|')).collect();
+    // Wrapped rows continue on a line opening with `┆` rather than `|`.
+    let rows: Vec<&str> = rendered
+        .lines()
+        .filter(|l| l.starts_with('|') || l.starts_with('┆'))
+        .collect();
     assert!(rows.len() > 3, "expected wrapped rows:\n{rendered}");
     for row in rows {
         assert_eq!(
@@ -161,6 +165,41 @@ fn test_table_is_fitted_to_the_printers_terminal_width() {
     }
 }
 
+/// The continuation edge is configurable, so the rendered table has to follow
+/// `style.markdown.table_continuation_edge` rather than a hardcoded default.
+#[test]
+fn test_table_continuation_edge_follows_the_config() {
+    let mut config = AppConfig::new_test();
+    config.style.markdown.wrap_width = 80;
+    config.style.markdown.table_max_column_width = 40;
+    config.style.markdown.table_continuation_edge = false;
+
+    let (printer, out, _err) = Printer::memory(OutputFormat::Text);
+    let mut renderer = ChatRenderer::new(
+        Arc::new(printer.with_output_width(OutputWidth::Terminal(30))),
+        config.style,
+    );
+
+    renderer.render_response(&ChatResponse::Message {
+        message: "| Alpha heading | Beta heading |\n| --- | --- |\n| first cell content | second \
+                  cell content |\n\n"
+            .into(),
+    });
+    renderer.flush();
+    renderer.printer.flush();
+
+    // The fourth line means the data row wrapped, so there is a continuation
+    // line for the setting to act on.
+    let rendered = strip_ansi(&out.lock());
+    let rows: Vec<&str> = rendered.lines().filter(|l| l.contains('|')).collect();
+    assert_eq!(rows, vec![
+        "| Alpha headi… | Beta headi… |",
+        "|--------------|-------------|",
+        "| first cell   | second cell |",
+        "| content      | content     |",
+    ]);
+}
+
 #[test]
 fn test_renders_message() {
     let (mut renderer, out, _err) = create_renderer();

crates/jp_config/src/snapshots/jp_config__tests__app_config_fields.snap

@@ -26,6 +26,7 @@ expression: "AppConfig::fields()"
     "style.reasoning.extend_across_tool_calls",
     "style.reasoning.summary_model",
     "style.markdown.hr_style",
+    "style.markdown.table_continuation_edge",
     "style.markdown.table_max_column_width",
     "style.markdown.theme",
     "style.markdown.wrap_width",

crates/jp_config/src/snapshots/jp_config__tests__partial_app_config_default.snap

@@ -102,6 +102,7 @@ PartialAppConfig {
         markdown: PartialMarkdownConfig {
             wrap_width: None,
             table_max_column_width: None,
+            table_continuation_edge: None,
             theme: None,
             hr_style: None,
         },

crates/jp_config/src/snapshots/jp_config__tests__partial_app_config_default_values.snap

@@ -198,6 +198,9 @@ Ok(
                     table_max_column_width: Some(
                         40,
                     ),
+                    table_continuation_edge: Some(
+                        true,
+                    ),
                     theme: Some(
                         "gruvbox-dark",
                     ),

crates/jp_config/src/snapshots/jp_config__tests__partial_app_config_empty_serialize.snap

@@ -102,6 +102,7 @@ PartialAppConfig {
         markdown: PartialMarkdownConfig {
             wrap_width: None,
             table_max_column_width: None,
+            table_continuation_edge: None,
             theme: None,
             hr_style: None,
         },

crates/jp_config/src/style/markdown.rs

@@ -52,7 +52,13 @@ pub struct MarkdownConfig {
     /// Defaults to `40`.
     /// Set to `0` to leave columns as wide as their content.
     ///
-    /// Cells exceeding their column's width are wrapped over multiple lines.
+    /// Body cells exceeding their column's width are wrapped over multiple
+    /// lines.
+    /// A line continuing the row above opens with `┆` instead of `|`, so a
+    /// wrapped row reads as one row rather than several.
+    /// A header cell is cut short with `…` rather than wrapped, so the row of
+    /// dashes stays directly beneath the header and the table survives being
+    /// copied out of the terminal into a markdown document.
     /// A column can end up narrower than this: a table wider than the terminal
     /// has its widest columns narrowed until it fits, so the terminal does not
     /// break the rows apart.
@@ -64,6 +70,19 @@ pub struct MarkdownConfig {
     #[setting(default = 40)]
     pub table_max_column_width: usize,
 
+    /// Whether the continuation lines of a wrapped table row open with `┆`.
+    ///
+    /// Defaults to `true`.
+    /// Set to `false` to open every line with `|`.
+    ///
+    /// A cell wrapped over several lines otherwise reads as several one-line
+    /// rows, since nothing distinguishes the start of a row from the middle of
+    /// one.
+    /// Only the line's opening delimiter changes, so a table copied out of the
+    /// terminal into a markdown document still splits into the right columns.
+    #[setting(default = true)]
+    pub table_continuation_edge: bool,
+
     /// Syntax highlighting theme for code blocks.
     ///
     /// Uses `bat` / `syntect` theme names (e.g. `"Monokai Extended"`,
@@ -88,6 +107,9 @@ impl AssignKeyValue for PartialMarkdownConfig {
             "table_max_column_width" => {
                 self.table_max_column_width = kv.try_some_from_str()?;
             }
+            "table_continuation_edge" => {
+                self.table_continuation_edge = kv.try_some_from_str()?;
+            }
             "theme" => self.theme = kv.try_some_from_str()?,
             "hr_style" => self.hr_style = kv.try_some_from_str()?,
             _ => return missing_key(&kv),
@@ -105,6 +127,10 @@ impl PartialConfigDelta for PartialMarkdownConfig {
                 self.table_max_column_width.as_ref(),
                 next.table_max_column_width,
             ),
+            table_continuation_edge: delta_opt(
+                self.table_continuation_edge.as_ref(),
+                next.table_continuation_edge,
+            ),
             theme: delta_opt(self.theme.as_ref(), next.theme),
             hr_style: delta_opt(self.hr_style.as_ref(), next.hr_style),
         }
@@ -118,6 +144,9 @@ impl FillDefaults for PartialMarkdownConfig {
             table_max_column_width: self
                 .table_max_column_width
                 .or(defaults.table_max_column_width),
+            table_continuation_edge: self
+                .table_continuation_edge
+                .or(defaults.table_continuation_edge),
             theme: self.theme.or(defaults.theme),
             hr_style: self.hr_style.or(defaults.hr_style),
         }
@@ -134,6 +163,10 @@ impl ToPartial for MarkdownConfig {
                 &self.table_max_column_width,
                 defaults.table_max_column_width,
             ),
+            table_continuation_edge: partial_opt(
+                &self.table_continuation_edge,
+                defaults.table_continuation_edge,
+            ),
             theme: partial_opts(self.theme.as_ref(), defaults.theme),
             hr_style: partial_opt(&self.hr_style, defaults.hr_style),
         }

crates/jp_llm/tests/fixtures/anthropic/test_chat_completion_stream__conversation_stream.snap

@@ -99,6 +99,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_fable_5_forced_tool_soft_forces__conversation_stream.snap

@@ -99,6 +99,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_image_attachment__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_multi_turn_conversation__conversation_stream.snap

@@ -99,6 +99,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_opus_4_6_adaptive_thinking__conversation_stream.snap

@@ -99,6 +99,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_opus_4_6_max_effort__conversation_stream.snap

@@ -99,6 +99,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_redacted_thinking__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_request_chaining__conversation_stream.snap

@@ -101,6 +101,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_structured_output__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_tool_call_auto__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_tool_call_function__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_tool_call_reasoning__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_tool_call_required_no_reasoning__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_tool_call_required_reasoning__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/anthropic/test_tool_call_stream__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/cerebras/test_chat_completion_stream__conversation_stream.snap

@@ -99,6 +99,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/cerebras/test_multi_turn_conversation__conversation_stream.snap

@@ -99,6 +99,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/cerebras/test_structured_output__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/cerebras/test_tool_call_auto__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/cerebras/test_tool_call_function__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/cerebras/test_tool_call_reasoning__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/cerebras/test_tool_call_required_no_reasoning__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/cerebras/test_tool_call_required_reasoning__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/cerebras/test_tool_call_stream__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/cerebras/test_unknown_model_auto_omits_effort__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/cerebras/test_unknown_model_off_sends_none__conversation_stream.snap

@@ -96,6 +96,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },

crates/jp_llm/tests/fixtures/google/test_chat_completion_stream__conversation_stream.snap

@@ -99,6 +99,7 @@ expression: v
       "markdown": {
         "wrap_width": 80,
         "table_max_column_width": 40,
+        "table_continuation_edge": true,
         "theme": "gruvbox-dark",
         "hr_style": "line"
       },