fix(show-data): record measured catalogs and finish feature validation

Record the intentional full-catalog addition from provider-free measurements:
Plan 33 to 34 tools, Act/Operate 54 to 55, each +1259 serialized bytes.
Active catalogs and system/context/discovery budgets are unchanged. The
conformance prompt family confirms the initial eager KV-cache prefix is
unchanged; loading show_data follows the existing deferred-tool lifecycle.

Correct the feature summary to fit the 120-character registry contract and
clarify that chart output includes a text summary, not every trend sample.
The direct kit dependency shares validation with the renderer; Engine already
has a transitive ratatui dependency through localization.

Validation: Engine 8 passed; TUI chart/restore 2 passed; conformance update
36 passed and compare-only 36 passed; feature-registry 2 passed after fixing
its initial 138-character summary failure; runtime budget 55 metrics pass;
preflight, format, version checks and locale parity (15 packs) pass.
Independent source, golden and measured-budget reviews completed.
Hosted CI and coordinator-ordered main landing remain pending.

Known limits: settled Unicode charts with the dark truecolor kit theme;
no draw-in motion, desktop rendering, installed/provider qualification,
release or deployment claimed.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Refs CW-8206

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- **Charts in the transcript:** the model can now show numbers as a small chart with the new read-only `show_data` tool: a one-row sparkline, up to 24 labelled bars, or a multi-row trend. The TUI paints it in the transcript with the terminal kit, including after a session is restored, and a plain-text summary accompanies each chart for the model and other clients. Input the chart cannot show honestly (a non-finite number, more than 1024 points or 24 bars, a label over 120 characters) is refused with the limit it broke.
 - **Renaming sessions with Chinese titles:** the session picker no longer rejects a Chinese, Japanese, Korean or emoji title of more than about 33 characters as "Title must be 1–100 characters". It now counts characters, as the message says and as `/rename` and the Runtime API already did, so any title up to 100 characters is accepted. Thanks [@luochen211](https://github.com/luochen211) (PR 7322).
 - **Non-ASCII file names:** `/diff`, the `@git` and `@diff` mentions and the Runtime API workspace diff now show paths with Chinese, emoji and other non-ASCII characters as written instead of as quoted octal escapes, and the turn context no longer lists the workspace root as an empty "Active paths" entry. Thanks [@luochen211](https://github.com/luochen211) (PR 7317).
 - **Session names after a crash, and keep-forever snapshot retention:** a session name saved right after a crash that cut off the previous session-index line is no longer lost, because the new entry now starts on its own line; and a very large `[snapshots] max_age_days` (such as `9223372036854775807` for "keep forever") no longer wraps around and deletes every undo snapshot at session start. Thanks [@luochen211](https://github.com/luochen211) (PR 7316).

Cargo.lock

@@ -1207,6 +1207,7 @@ dependencies = [
  "codewhale-paths",
  "codewhale-plugins",
  "codewhale-protocol",
+ "codewhale-ratatui",
  "codewhale-release",
  "codewhale-repl",
  "codewhale-runtime",

crates/engine/Cargo.toml

@@ -172,6 +172,7 @@ sha2.workspace = true
 # Reuse the locked cryptographic implementation for exact-call user decisions.
 ring = "0.17"
 codewhale-localization = { path = "../localization", version = "0.10.3" }
+codewhale-ratatui = { path = "../../vendor/codewhale-ratatui", version = "0.2.0" }
 shell-words = "1.1.1"
 
 wiremock = { version = "0.6", optional = true }

crates/engine/src/core/engine/tool_setup.rs

@@ -110,6 +110,7 @@ impl Engine {
             // the ToolContext carries ShellPolicy::None.
             .with_file_tools()
             .with_present_tool()
+            .with_show_data_tool()
             // Foreground-only shell registration: never add terminal/*
             // lifecycle tools to Plan merely to keep the `bash` identity
             // stable across modes.

crates/engine/src/tools/mod.rs

@@ -76,6 +76,7 @@ pub mod send_later;
 pub mod session;
 pub mod shell;
 pub mod shell_output;
+pub mod show_data;
 pub mod skill;
 pub mod spec;
 pub mod speech;

crates/engine/src/tools/registry.rs

@@ -1043,6 +1043,11 @@ impl ToolRegistryBuilder {
         self.with_tool(Arc::new(PresentTool))
     }
 
+    #[must_use]
+    pub fn with_show_data_tool(self) -> Self {
+        self.with_tool(Arc::new(super::show_data::ShowDataTool))
+    }
+
     /// Include shell execution tools.
     ///
     /// New turns expose lowercase `bash`; uppercase `Bash` remains a hidden
@@ -1540,6 +1545,7 @@ impl ToolRegistryBuilder {
         let builder = self
             .with_file_tools()
             .with_present_tool()
+            .with_show_data_tool()
             .with_note_tool()
             .with_search_tools()
             .with_user_input_tool(user_input_limits)

crates/engine/src/tools/registry/tests.rs

@@ -1032,6 +1032,7 @@ fn machine_verifier_catalog_and_dispatch_add_only_bounded_run() {
             "read_media",
             "request_user_input",
             "retrieve_tool_result",
+            "show_data",
             "todo_write",
             "tui_help",
             "validate_data",
@@ -1915,6 +1916,7 @@ fn machine_readonly_catalog_is_exactly_the_evidence_profile() {
             "read_media",
             "request_user_input",
             "retrieve_tool_result",
+            "show_data",
             "todo_write",
             "tui_help",
             "validate_data",

crates/engine/src/tools/show_data.rs

@@ -0,0 +1,92 @@
+use async_trait::async_trait;
+use codewhale_ratatui::{DATA_DISPLAY_SCHEMA, DataDisplay, DataWords};
+use serde_json::{Value, json};
+
+use super::spec::{ToolCapability, ToolContext, ToolError, ToolResult, ToolSpec};
+
+pub struct ShowDataTool;
+
+pub fn parse_data_display(input: &Value) -> Result<DataDisplay, ToolError> {
+    DataDisplay::from_json(&input.to_string())
+        .map_err(|error| ToolError::invalid_input(error.to_string()))
+}
+
+#[async_trait]
+impl ToolSpec for ShowDataTool {
+    fn name(&self) -> &'static str {
+        "show_data"
+    }
+
+    fn description(&self) -> &'static str {
+        "Show the person numbers as a small terminal chart: `sparkline` (one row, newest value \
+         on the right), `bars` (up to 24 labelled bars) or `trend` (a multi-row line chart). \
+         Read-only: nothing is written or sent. Values must be finite numbers, oldest first. \
+         The result repeats the same facts as plain text, so say what matters in words too."
+    }
+
+    fn input_schema(&self) -> Value {
+        serde_json::from_str(DATA_DISPLAY_SCHEMA).expect("kit DATA_DISPLAY_SCHEMA is valid JSON")
+    }
+
+    fn capabilities(&self) -> Vec<ToolCapability> {
+        vec![ToolCapability::ReadOnly]
+    }
+
+    async fn execute(&self, input: Value, _context: &ToolContext) -> Result<ToolResult, ToolError> {
+        let display = parse_data_display(&input)?;
+        let summary = format!("Shown: {}", display.describe(&DataWords::default()));
+        Ok(ToolResult::success(summary).with_metadata(json!({ "data_display": display })))
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[tokio::test]
+    async fn schema_parses_and_bad_input_names_the_broken_limit() {
+        assert_eq!(ShowDataTool.input_schema()["type"], "object");
+
+        let shown = parse_data_display(&json!({
+            "kind": "bars",
+            "label": "Tokens",
+            "unit": "tok",
+            "items": [{ "label": "opus", "value": 100.0 }]
+        }))
+        .expect("valid bars");
+        let words = shown.describe(&DataWords::default());
+        assert!(words.starts_with("Tokens: opus 100"), "{words}");
+
+        let context = ToolContext::new(".");
+        let result = ShowDataTool
+            .execute(serde_json::to_value(&shown).unwrap(), &context)
+            .await
+            .unwrap();
+        assert!(result.success);
+        assert_eq!(result.content, format!("Shown: {words}"));
+        assert_eq!(
+            result.metadata.as_ref().unwrap()["data_display"],
+            serde_json::to_value(shown).unwrap()
+        );
+
+        let too_many: Vec<Value> = (0..25)
+            .map(|i| json!({ "label": format!("b{i}"), "value": i }))
+            .collect();
+        let error = ShowDataTool
+            .execute(
+                json!({
+                    "kind": "bars",
+                    "label": "Too many",
+                    "items": too_many
+                }),
+                &context,
+            )
+            .await
+            .expect_err("25 bars is over the limit");
+        assert!(error.to_string().contains("25 bars; at most 24"), "{error}");
+
+        let error =
+            parse_data_display(&json!({ "kind": "pie", "label": "x" })).expect_err("unknown kind");
+        assert!(error.to_string().contains("not a data display"), "{error}");
+    }
+}

crates/engine/src/tools/subagent/tests.rs

@@ -8438,6 +8438,7 @@ fn every_named_role_has_one_complete_capability_based_surface() {
         "retrieve_tool_result",
         "session_get",
         "session_search",
+        "show_data",
         "todo_write",
         "tui_help",
         "validate_data",
@@ -8472,6 +8473,7 @@ fn every_named_role_has_one_complete_capability_based_surface() {
         "review",
         "session_get",
         "session_search",
+        "show_data",
         "todo_write",
         "tui_help",
         "validate_data",
@@ -8510,6 +8512,7 @@ fn every_named_role_has_one_complete_capability_based_surface() {
         "review",
         "session_get",
         "session_search",
+        "show_data",
         "tasks",
         "todo_write",
         "tui_help",
@@ -8556,6 +8559,7 @@ fn every_named_role_has_one_complete_capability_based_surface() {
         "send_later",
         "session_get",
         "session_search",
+        "show_data",
         "speech",
         "task_shell_wait",
         "tasks",
@@ -9886,6 +9890,7 @@ async fn read_only_roles_expose_and_dispatch_lowercase_bash_only() {
             "retrieve_tool_result",
             "session_get",
             "session_search",
+            "show_data",
             "todo_write",
             "tui_help",
             "validate_data",

crates/localization/locales/ca.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "aturat",
   "ToolReceiptIssue": "incidència",
   "ToolReceiptFailed": "ha fallat",
+  "DataChartNow": "ara",
+  "DataChartMin": "mín.",
+  "DataChartMax": "màx.",
+  "DataChartEmpty": "encara no hi ha dades",
+  "DataChartPoints": "punts",
   "AgentActivityChecking": "comprovant",
   "AgentActivityChecked": "comprovat",
   "AgentActivityWaiting": "esperant",

crates/localization/locales/de.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "gestoppt",
   "ToolReceiptIssue": "Problem",
   "ToolReceiptFailed": "fehlgeschlagen",
+  "DataChartNow": "aktuell",
+  "DataChartMin": "Min.",
+  "DataChartMax": "Max.",
+  "DataChartEmpty": "noch keine Daten",
+  "DataChartPoints": "Punkte",
   "AgentActivityChecking": "wird geprüft",
   "AgentActivityChecked": "geprüft",
   "AgentActivityWaiting": "wartet",

crates/localization/locales/en.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "stopped",
   "ToolReceiptIssue": "issue",
   "ToolReceiptFailed": "failed",
+  "DataChartNow": "now",
+  "DataChartMin": "min",
+  "DataChartMax": "max",
+  "DataChartEmpty": "no data yet",
+  "DataChartPoints": "points",
   "AgentActivityChecking": "checking",
   "AgentActivityChecked": "checked",
   "AgentActivityWaiting": "waiting",

crates/localization/locales/es-419.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "detenido",
   "ToolReceiptIssue": "problema",
   "ToolReceiptFailed": "falló",
+  "DataChartNow": "actual",
+  "DataChartMin": "mín.",
+  "DataChartMax": "máx.",
+  "DataChartEmpty": "sin datos aún",
+  "DataChartPoints": "puntos",
   "AgentActivityChecking": "comprobando",
   "AgentActivityChecked": "comprobado",
   "AgentActivityWaiting": "esperando",

crates/localization/locales/fr.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "arrêté",
   "ToolReceiptIssue": "problème",
   "ToolReceiptFailed": "échec",
+  "DataChartNow": "actuel",
+  "DataChartMin": "min.",
+  "DataChartMax": "max.",
+  "DataChartEmpty": "pas encore de données",
+  "DataChartPoints": "points",
   "AgentActivityChecking": "vérification en cours",
   "AgentActivityChecked": "vérifié",
   "AgentActivityWaiting": "en attente",

crates/localization/locales/hi.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "रोका गया",
   "ToolReceiptIssue": "समस्या",
   "ToolReceiptFailed": "विफल",
+  "DataChartNow": "अभी",
+  "DataChartMin": "न्यूनतम",
+  "DataChartMax": "अधिकतम",
+  "DataChartEmpty": "अभी कोई डेटा नहीं",
+  "DataChartPoints": "बिंदु",
   "AgentActivityChecking": "जाँच जारी",
   "AgentActivityChecked": "जाँच पूरी",
   "AgentActivityWaiting": "प्रतीक्षा जारी",

crates/localization/locales/id.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "dihentikan",
   "ToolReceiptIssue": "masalah",
   "ToolReceiptFailed": "gagal",
+  "DataChartNow": "kini",
+  "DataChartMin": "min.",
+  "DataChartMax": "maks.",
+  "DataChartEmpty": "belum ada data",
+  "DataChartPoints": "titik",
   "AgentActivityChecking": "memeriksa",
   "AgentActivityChecked": "diperiksa",
   "AgentActivityWaiting": "menunggu",

crates/localization/locales/ja.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "停止",
   "ToolReceiptIssue": "問題あり",
   "ToolReceiptFailed": "失敗",
+  "DataChartNow": "現在",
+  "DataChartMin": "最小",
+  "DataChartMax": "最大",
+  "DataChartEmpty": "データなし",
+  "DataChartPoints": "点",
   "AgentActivityChecking": "確認中",
   "AgentActivityChecked": "確認済み",
   "AgentActivityWaiting": "待機中",

crates/localization/locales/ko.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "중지됨",
   "ToolReceiptIssue": "문제 있음",
   "ToolReceiptFailed": "실패",
+  "DataChartNow": "현재",
+  "DataChartMin": "최소",
+  "DataChartMax": "최대",
+  "DataChartEmpty": "아직 데이터 없음",
+  "DataChartPoints": "개 점",
   "AgentActivityChecking": "확인 중",
   "AgentActivityChecked": "확인됨",
   "AgentActivityWaiting": "대기 중",

crates/localization/locales/pt-BR.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "parado",
   "ToolReceiptIssue": "problema",
   "ToolReceiptFailed": "falhou",
+  "DataChartNow": "atual",
+  "DataChartMin": "mín.",
+  "DataChartMax": "máx.",
+  "DataChartEmpty": "ainda sem dados",
+  "DataChartPoints": "pontos",
   "AgentActivityChecking": "verificando",
   "AgentActivityChecked": "verificado",
   "AgentActivityWaiting": "aguardando",

crates/localization/locales/ru.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "остановлено",
   "ToolReceiptIssue": "проблема",
   "ToolReceiptFailed": "ошибка",
+  "DataChartNow": "сейчас",
+  "DataChartMin": "мин.",
+  "DataChartMax": "макс.",
+  "DataChartEmpty": "данных пока нет",
+  "DataChartPoints": "точек",
   "AgentActivityChecking": "проверка",
   "AgentActivityChecked": "проверено",
   "AgentActivityWaiting": "ожидание",

crates/localization/locales/uk.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "зупинено",
   "ToolReceiptIssue": "проблема",
   "ToolReceiptFailed": "помилка",
+  "DataChartNow": "зараз",
+  "DataChartMin": "мін.",
+  "DataChartMax": "макс.",
+  "DataChartEmpty": "даних ще немає",
+  "DataChartPoints": "точок",
   "AgentActivityChecking": "перевірка",
   "AgentActivityChecked": "перевірено",
   "AgentActivityWaiting": "очікування",

crates/localization/locales/vi.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "đã dừng",
   "ToolReceiptIssue": "có vấn đề",
   "ToolReceiptFailed": "thất bại",
+  "DataChartNow": "hiện tại",
+  "DataChartMin": "nhỏ nhất",
+  "DataChartMax": "lớn nhất",
+  "DataChartEmpty": "chưa có dữ liệu",
+  "DataChartPoints": "điểm",
   "AgentActivityChecking": "đang kiểm tra",
   "AgentActivityChecked": "đã kiểm tra",
   "AgentActivityWaiting": "đang chờ",

crates/localization/locales/zh-Hans.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "已停止",
   "ToolReceiptIssue": "存在问题",
   "ToolReceiptFailed": "失败",
+  "DataChartNow": "当前",
+  "DataChartMin": "最小",
+  "DataChartMax": "最大",
+  "DataChartEmpty": "暂无数据",
+  "DataChartPoints": "个数据点",
   "AgentActivityChecking": "检查中",
   "AgentActivityChecked": "已检查",
   "AgentActivityWaiting": "等待中",

crates/localization/locales/zh-Hant.json

@@ -2730,6 +2730,11 @@
   "ToolReceiptStopped": "已停止",
   "ToolReceiptIssue": "發生問題",
   "ToolReceiptFailed": "失敗",
+  "DataChartNow": "目前",
+  "DataChartMin": "最小",
+  "DataChartMax": "最大",
+  "DataChartEmpty": "暫無資料",
+  "DataChartPoints": "個資料點",
   "AgentActivityChecking": "檢查中",
   "AgentActivityChecked": "已檢查",
   "AgentActivityWaiting": "等待中",

crates/localization/src/lib.rs

@@ -3033,6 +3033,11 @@ pub enum MessageId {
     ToolReceiptStopped,
     ToolReceiptIssue,
     ToolReceiptFailed,
+    DataChartNow,
+    DataChartMin,
+    DataChartMax,
+    DataChartEmpty,
+    DataChartPoints,
     AgentActivityChecking,
     AgentActivityChecked,
     AgentActivityWaiting,
@@ -5858,6 +5863,11 @@ pub const ALL_MESSAGE_IDS: &[MessageId] = &[
     MessageId::ToolReceiptStopped,
     MessageId::ToolReceiptIssue,
     MessageId::ToolReceiptFailed,
+    MessageId::DataChartNow,
+    MessageId::DataChartMin,
+    MessageId::DataChartMax,
+    MessageId::DataChartEmpty,
+    MessageId::DataChartPoints,
     MessageId::AgentActivityChecking,
     MessageId::AgentActivityChecked,
     MessageId::AgentActivityWaiting,

crates/tui/CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- **Charts in the transcript:** the model can now show numbers as a small chart with the new read-only `show_data` tool: a one-row sparkline, up to 24 labelled bars, or a multi-row trend. The TUI paints it in the transcript with the terminal kit, including after a session is restored, and a plain-text summary accompanies each chart for the model and other clients. Input the chart cannot show honestly (a non-finite number, more than 1024 points or 24 bars, a label over 120 characters) is refused with the limit it broke.
 - **Renaming sessions with Chinese titles:** the session picker no longer rejects a Chinese, Japanese, Korean or emoji title of more than about 33 characters as "Title must be 1–100 characters". It now counts characters, as the message says and as `/rename` and the Runtime API already did, so any title up to 100 characters is accepted. Thanks [@luochen211](https://github.com/luochen211) (PR 7322).
 - **Non-ASCII file names:** `/diff`, the `@git` and `@diff` mentions and the Runtime API workspace diff now show paths with Chinese, emoji and other non-ASCII characters as written instead of as quoted octal escapes, and the turn context no longer lists the workspace root as an empty "Active paths" entry. Thanks [@luochen211](https://github.com/luochen211) (PR 7317).
 - **Session names after a crash, and keep-forever snapshot retention:** a session name saved right after a crash that cut off the previous session-index line is no longer lost, because the new entry now starts on its own line; and a very large `[snapshots] max_age_days` (such as `9223372036854775807` for "keep forever") no longer wraps around and deletes every undo snapshot at session start. Thanks [@luochen211](https://github.com/luochen211) (PR 7316).

crates/tui/src/commands/contract.rs

@@ -421,12 +421,9 @@ impl CommandSessionLifecycleContext for SessionLifecycleAdapter<'_> {
         app.session_turn_outcomes = session.turn_outcomes.clone();
         app.session_artifacts = session.artifacts.clone();
         app.session_context_references = session.context_references.clone();
-        app.extend_history(
-            session
-                .messages
-                .iter()
-                .flat_map(crate::tui::history::history_cells_from_message),
-        );
+        app.extend_history(session.messages.iter().flat_map(|message| {
+            crate::tui::history::history_cells_from_message_with_results(message, &session.messages)
+        }));
         app.scroll_to_bottom();
         Ok(SessionBranchOutcome {
             leaf_display,

crates/tui/src/tui/agent_focus.rs

@@ -26,7 +26,7 @@ use ratatui::{
 };
 
 use crate::tui::app::App;
-use crate::tui::history::{HistoryCell, history_cells_from_message};
+use crate::tui::history::{HistoryCell, history_cells_from_message_with_results};
 use codewhale_engine::tools::subagent::SubAgentStatus;
 use codewhale_localization::MessageId;
 use codewhale_models::Message;
@@ -191,7 +191,7 @@ fn cells_for_messages(messages: &[Message], receipts: &[(String, String)]) -> Ve
     }
     let mut cells = Vec::new();
     for message in messages {
-        cells.extend(history_cells_from_message(message));
+        cells.extend(history_cells_from_message_with_results(message, messages));
         for block in &message.content {
             let Some(key) = block.tool_call_key() else {
                 continue;

crates/tui/src/tui/history.rs

@@ -24,6 +24,7 @@ mod archived_context;
 mod automation;
 mod checklist;
 mod constants;
+mod data_display;
 mod file_mutation;
 mod latex_render;
 mod message;
@@ -40,6 +41,7 @@ use checklist::{
     parse_checklist_snapshot, parse_update_prefix, render_checklist_card,
     render_checklist_change_card,
 };
+pub use data_display::DataDisplayCell;
 
 #[cfg(test)]
 use checklist::{ChecklistChange, ChecklistItemSnapshot, ChecklistSnapshot};
@@ -747,6 +749,13 @@ impl HistoryCell {
 /// Convert a message into history cells for rendering.
 #[must_use]
 pub fn history_cells_from_message(msg: &Message) -> Vec<HistoryCell> {
+    history_cells_from_message_with_results(msg, &[])
+}
+
+pub fn history_cells_from_message_with_results(
+    msg: &Message,
+    messages: &[Message],
+) -> Vec<HistoryCell> {
     // Model-facing Operate contract; the live receipt is the goal line.
     if codewhale_engine::runtime_handoff::is_operate_contract_message(msg) {
         return Vec::new();
@@ -897,6 +906,11 @@ pub fn history_cells_from_message(msg: &Message) -> Vec<HistoryCell> {
                     status: ToolStatus::Success,
                 })));
             }
+            ContentBlock::ToolUse { name, input, .. } if name == "show_data" => {
+                cells.push(HistoryCell::Tool(ToolCell::DataDisplay(
+                    DataDisplayCell::from_history(block, input, messages),
+                )));
+            }
             _ => {}
         }
     }
@@ -917,6 +931,7 @@ pub enum ToolCell {
     Mcp(McpToolCell),
     ViewImage(ViewImageCell),
     WebSearch(WebSearchCell),
+    DataDisplay(DataDisplayCell),
     Generic(GenericToolCell),
 }
 
@@ -945,6 +960,7 @@ impl ToolCell {
             ToolCell::Review(cell) => Some(cell.status),
             ToolCell::Mcp(cell) => Some(cell.status),
             ToolCell::WebSearch(cell) => Some(cell.status),
+            ToolCell::DataDisplay(cell) => Some(cell.status),
             ToolCell::Generic(cell) => Some(cell.status),
             ToolCell::ViewImage(_) => Some(ToolStatus::Success),
         }
@@ -977,6 +993,7 @@ impl ToolCell {
                     | ToolCell::PatchSummary(_)
                     | ToolCell::Review(_)
                     | ToolCell::PlanUpdate(_)
+                    | ToolCell::DataDisplay(_)
             )
             || matches!(self, ToolCell::Generic(cell) if tool_run::generic_tool_name_is_collapse_guard(&cell.name) || cell.is_diff)
     }
@@ -1045,6 +1062,9 @@ impl ToolCell {
             ToolCell::WebSearch(cell) => {
                 cell.lines_with_motion_and_locale(width, low_motion, locale)
             }
+            ToolCell::DataDisplay(cell) => {
+                cell.lines_with_motion_and_locale(width, low_motion, locale)
+            }
             ToolCell::Generic(cell) => {
                 cell.lines_with_mode_and_locale(width, low_motion, mode, locale)
             }

crates/tui/src/tui/history/data_display.rs

@@ -0,0 +1,306 @@
+//! Transcript cell for `show_data`: the kit's `DataDisplay`, painted fully
+//! drawn. Known limits: no draw-in motion in the transcript, and the chart is
+//! painted with the dark truecolor role theme that the backend then adapts,
+//! like the other kit adapters here, so ASCII-only terminals get the
+//! Unicode glyphs.
+
+use codewhale_localization::{Locale, MessageId, tr};
+use codewhale_palette as palette;
+use codewhale_ratatui::color::ColorDepth;
+use codewhale_ratatui::detect::Appearance;
+use codewhale_ratatui::{Caps, DataDisplay, DataWords, Paint, Theme};
+use ratatui::buffer::Buffer;
+use ratatui::layout::Rect;
+use ratatui::style::Style;
+use ratatui::text::{Line, Span};
+
+use super::{ToolStatus, render_compact_kv, render_tool_header_with_summary};
+
+const INDENT: &str = "  ";
+
+#[derive(Debug, Clone)]
+pub struct DataDisplayCell {
+    pub display: Result<DataDisplay, String>,
+    pub status: ToolStatus,
+}
+
+impl DataDisplayCell {
+    #[must_use]
+    pub fn from_input(input: &serde_json::Value, status: ToolStatus) -> Self {
+        let display = codewhale_engine::tools::show_data::parse_data_display(input)
+            .map_err(|error| error.to_string());
+        let status = if display.is_err() {
+            ToolStatus::Failed
+        } else {
+            status
+        };
+        Self { display, status }
+    }
+
+    pub fn from_history(
+        call: &codewhale_models::ContentBlock,
+        input: &serde_json::Value,
+        messages: &[codewhale_models::Message],
+    ) -> Self {
+        use codewhale_models::ContentBlock;
+        let mut cell = Self::from_input(input, ToolStatus::Stopped);
+        let Some(key) = call
+            .tool_call_key()
+            .filter(|key| !key.as_str().trim().is_empty())
+        else {
+            return cell;
+        };
+        let matching: Vec<_> = messages
+            .iter()
+            .flat_map(|message| &message.content)
+            .filter(|block| block.tool_call_key().as_ref() == Some(&key))
+            .collect();
+        if matching
+            .iter()
+            .filter(|block| matches!(block, ContentBlock::ToolUse { .. }))
+            .count()
+            != 1
+        {
+            return cell;
+        }
+        let results: Vec<_> = matching
+            .into_iter()
+            .filter_map(|block| match block {
+                ContentBlock::ToolResult {
+                    tool_use_id,
+                    content,
+                    is_error,
+                    ..
+                } => Some((tool_use_id, content, is_error)),
+                _ => None,
+            })
+            .collect();
+        if let [(tool_use_id, content, is_error)] = results.as_slice() {
+            let ContentBlock::ToolUse { id, .. } = call else {
+                return cell;
+            };
+            if *tool_use_id != id {
+                return cell;
+            }
+            if **is_error == Some(true) {
+                cell.status = ToolStatus::Failed;
+                cell.display = Err((*content).clone());
+            } else if cell.display.is_ok() {
+                cell.status = ToolStatus::Success;
+            }
+        }
+        cell
+    }
+
+    pub fn lines_with_motion_and_locale(
+        &self,
+        width: u16,
+        low_motion: bool,
+        locale: Locale,
+    ) -> Vec<Line<'static>> {
+        let label = self
+            .display
+            .as_ref()
+            .ok()
+            .map(|display| codewhale_ratatui::text::display_safe(display.label()));
+        let mut lines = vec![render_tool_header_with_summary(
+            "show_data",
+            label.as_deref().filter(|label| !label.trim().is_empty()),
+            None,
+            self.status,
+            None,
+            low_motion,
+            locale,
+        )];
+        match &self.display {
+            Ok(display) if self.status != ToolStatus::Stopped => {
+                lines.extend(chart_lines(display, width, locale))
+            }
+            Ok(_) => {}
+            Err(error) => lines.extend(render_compact_kv(
+                &tr(locale, MessageId::ToolReceiptFailed),
+                &codewhale_ratatui::text::display_safe(error),
+                Style::default().fg(palette::STATUS_ERROR),
+                width,
+            )),
+        }
+        lines
+    }
+}
+
+fn chart_lines(display: &DataDisplay, width: u16, locale: Locale) -> Vec<Line<'static>> {
+    let inner = width.saturating_sub(INDENT.len() as u16).max(1);
+    let theme = Theme::new(Caps {
+        depth: ColorDepth::TrueColor,
+        ascii: false,
+        appearance: Appearance::Dark,
+    });
+    let words = DataWords {
+        now: tr(locale, MessageId::DataChartNow),
+        min: tr(locale, MessageId::DataChartMin),
+        max: tr(locale, MessageId::DataChartMax),
+        empty: tr(locale, MessageId::DataChartEmpty),
+        points: tr(locale, MessageId::DataChartPoints),
+    };
+    let view = display.view().with_words(&words);
+    let height = view.height(inner, &theme).max(1);
+    let area = Rect::new(0, 0, inner, height);
+    let mut buf = Buffer::empty(area);
+    view.paint(area, &mut buf, &theme);
+
+    (0..height)
+        .map(|y| {
+            let mut spans = vec![Span::raw(INDENT)];
+            let mut run = String::new();
+            let mut run_style = Style::default();
+            let mut x = 0;
+            while x < inner {
+                let cell = &buf[(x, y)];
+                let style = cell.style();
+                if style != run_style && !run.is_empty() {
+                    spans.push(Span::styled(std::mem::take(&mut run), run_style));
+                }
+                run_style = style;
+                run.push_str(cell.symbol());
+                x += u16::try_from(codewhale_ratatui::text::width(cell.symbol()).max(1))
+                    .unwrap_or(1);
+            }
+            let trimmed = run.trim_end();
+            if !trimmed.is_empty() || run_style != Style::default() {
+                let keep = if run_style == Style::default() {
+                    trimmed.to_string()
+                } else {
+                    run
+                };
+                spans.push(Span::styled(keep, run_style));
+            }
+            Line::from(spans)
+        })
+        .collect()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use serde_json::json;
+
+    fn text(lines: &[Line<'_>]) -> String {
+        lines
+            .iter()
+            .map(|line| {
+                line.spans
+                    .iter()
+                    .map(|span| span.content.as_ref())
+                    .collect::<String>()
+            })
+            .collect::<Vec<_>>()
+            .join("\n")
+    }
+
+    #[test]
+    fn show_data_input_paints_a_chart_or_names_the_refusal() {
+        let bars = DataDisplayCell::from_input(
+            &json!({
+                "kind": "bars",
+                "label": "Tokens by model",
+                "unit": "tokens",
+                "items": [
+                    { "label": "opus", "value": 400.0 },
+                    { "label": "haiku", "value": 100.0 }
+                ]
+            }),
+            ToolStatus::Success,
+        );
+        assert_eq!(bars.status, ToolStatus::Success);
+        let rendered = text(&bars.lines_with_motion_and_locale(60, true, Locale::En));
+        assert!(rendered.contains("Tokens by model"), "{rendered}");
+        assert!(rendered.contains("opus"), "{rendered}");
+        assert!(rendered.contains("haiku"), "{rendered}");
+        assert!(rendered.contains('\u{2588}'), "{rendered}");
+
+        let refused = DataDisplayCell::from_input(
+            &json!({ "kind": "trend", "label": "x", "values": [1.0], "rows": 40 }),
+            ToolStatus::Running,
+        );
+        assert_eq!(refused.status, ToolStatus::Failed);
+        let rendered = text(&refused.lines_with_motion_and_locale(60, true, Locale::En));
+        assert!(rendered.contains("40 rows"), "{rendered}");
+    }
+    #[test]
+    fn show_data_wide_labels_fit_and_survive_session_restore() {
+        use crate::tui::history::{HistoryCell, ToolCell, history_cells_from_message_with_results};
+        use codewhale_engine::session_manager::{SessionManager, create_saved_session};
+        use codewhale_models::{ContentBlock, Message, Role};
+
+        let input = json!({
+            "kind": "bars", "label": "Tokens",
+            "items": [{ "label": "模型", "value": 42 }]
+        });
+        let message = Message {
+            role: Role::Assistant,
+            content: vec![ContentBlock::ToolUse {
+                execution_id: None,
+                id: "chart-1".into(),
+                name: "show_data".into(),
+                input: input.clone(),
+                caller: None,
+                thought_signature: None,
+            }],
+        };
+        let tmp = tempfile::tempdir().unwrap();
+        let manager = SessionManager::new(tmp.path().join("sessions")).unwrap();
+        let result = Message {
+            role: Role::User,
+            content: vec![ContentBlock::ToolResult {
+                execution_id: None,
+                tool_use_id: "chart-1".into(),
+                content: "Shown".into(),
+                is_error: None,
+                content_blocks: None,
+            }],
+        };
+        let session = create_saved_session(&[message, result], "test-model", tmp.path(), 0, None);
+        manager.save_session(&session).unwrap();
+        let loaded = manager.load_session(&session.metadata.id).unwrap();
+        let cells = history_cells_from_message_with_results(&loaded.messages[0], &loaded.messages);
+        let [HistoryCell::Tool(ToolCell::DataDisplay(restored))] = cells.as_slice() else {
+            panic!("expected restored chart");
+        };
+        let call = &loaded.messages[0].content[0];
+        let unfinished = DataDisplayCell::from_history(call, &input, &loaded.messages[..1]);
+        assert_eq!(unfinished.status, ToolStatus::Stopped);
+        assert!(
+            !text(&unfinished.lines_with_motion_and_locale(60, true, Locale::En)).contains("模型")
+        );
+        let mut failed_messages = loaded.messages.clone();
+        if let ContentBlock::ToolResult {
+            is_error, content, ..
+        } = &mut failed_messages[1].content[0]
+        {
+            *is_error = Some(true);
+            *content = "Denied by policy".into();
+        }
+        let failed = DataDisplayCell::from_history(call, &input, &failed_messages);
+        assert_eq!(failed.status, ToolStatus::Failed);
+        assert!(
+            text(&failed.lines_with_motion_and_locale(60, true, Locale::En))
+                .contains("Denied by policy")
+        );
+        let mut ambiguous = loaded.messages.clone();
+        ambiguous.push(loaded.messages[0].clone());
+        assert_eq!(
+            DataDisplayCell::from_history(call, &input, &ambiguous).status,
+            ToolStatus::Stopped
+        );
+        let live = DataDisplayCell::from_input(&input, ToolStatus::Success);
+        for width in [20, 40, 60, 100] {
+            let lines = chart_lines(restored.display.as_ref().unwrap(), width, Locale::En);
+            assert!(text(&lines).contains("模型"));
+            assert!(lines.iter().all(|line| line.width() <= usize::from(width)));
+            assert_eq!(
+                restored.lines_with_motion_and_locale(width, true, Locale::En),
+                live.lines_with_motion_and_locale(width, true, Locale::En)
+            );
+        }
+    }
+}

crates/tui/src/tui/history/tool_run.rs

@@ -170,6 +170,7 @@ fn tool_display_name(tool: &ToolCell) -> &str {
         ToolCell::Mcp(cell) => cell.tool.as_str(),
         ToolCell::WebSearch(_) => "web_search",
         ToolCell::ViewImage(_) => "view_image",
+        ToolCell::DataDisplay(_) => "show_data",
         ToolCell::Exploring(_) => "explore",
         ToolCell::Exec(_) => "shell",
         ToolCell::PlanUpdate(_) => "update_plan",

crates/tui/src/tui/tool_routing.rs

@@ -5,6 +5,7 @@ use std::time::Instant;
 
 use crate::tui::active_cell::ActiveCell;
 use crate::tui::app::{App, ToolDetailRecord, ToolEvidence};
+use crate::tui::history::DataDisplayCell;
 use crate::tui::history::ExecCell;
 use crate::tui::history::ExecSource;
 use crate::tui::history::ExecWait;
@@ -166,6 +167,20 @@ pub(super) fn handle_tool_call_started(
         return;
     }
 
+    if semantic_name == "show_data" {
+        push_active_tool_cell(
+            app,
+            &id,
+            name,
+            input,
+            HistoryCell::Tool(ToolCell::DataDisplay(DataDisplayCell::from_input(
+                input,
+                ToolStatus::Running,
+            ))),
+        );
+        return;
+    }
+
     if semantic_name == "update_plan" {
         let snapshot = parse_plan_input(input);
         push_active_tool_cell(
@@ -1002,6 +1017,20 @@ pub(super) fn handle_tool_call_complete(
                 }
                 app.mark_history_updated();
             }
+            HistoryCell::Tool(ToolCell::DataDisplay(data)) => {
+                data.status = status;
+                match result.as_ref() {
+                    Ok(tool_result) if !tool_result.success => {
+                        data.display = Err(tool_result.content.clone());
+                    }
+                    Err(err) => data.display = Err(err.to_string()),
+                    Ok(_) => {}
+                }
+                if data.display.is_err() {
+                    data.status = ToolStatus::Failed;
+                }
+                app.mark_history_updated();
+            }
             HistoryCell::Tool(ToolCell::WebSearch(search)) => {
                 search.status = status;
                 match result.as_ref() {
@@ -1516,6 +1545,7 @@ fn history_cell_has_running_tool(cell: &HistoryCell) -> bool {
         ToolCell::Mcp(mcp) => mcp.status == ToolStatus::Running,
         ToolCell::ViewImage(_) => false,
         ToolCell::WebSearch(search) => search.status == ToolStatus::Running,
+        ToolCell::DataDisplay(data) => data.status == ToolStatus::Running,
         ToolCell::Generic(generic) => generic.status == ToolStatus::Running,
     }
 }

crates/tui/src/tui/ui/activity_detail.rs

@@ -562,6 +562,13 @@ pub(crate) fn detail_target_label(app: &App, cell_index: usize) -> Option<String
             Some(format!("image {}", image.path.display()))
         }
         HistoryCell::Tool(ToolCell::WebSearch(search)) => Some(format!("search {}", search.query)),
+        HistoryCell::Tool(ToolCell::DataDisplay(data)) => Some(match &data.display {
+            Ok(display) => format!(
+                "show_data {}",
+                codewhale_ratatui::text::display_safe(display.label())
+            ),
+            Err(_) => "show_data".to_string(),
+        }),
         HistoryCell::Tool(ToolCell::Generic(generic)) => Some(
             crate::tui::widgets::tool_card::tool_activity_label_for_name(
                 &generic.name,
@@ -1214,6 +1221,18 @@ fn timeline_tool_summary(app: &App, idx: usize, tool: &ToolCell) -> (&'static st
             truncate_line_to_width(&image.path.display().to_string(), 88),
         ),
         ToolCell::WebSearch(search) => ("web search", truncate_line_to_width(&search.query, 88)),
+        ToolCell::DataDisplay(data) => (
+            "show_data",
+            match &data.display {
+                Ok(display) => truncate_line_to_width(
+                    &codewhale_ratatui::text::display_safe(display.label()),
+                    88,
+                ),
+                Err(error) => {
+                    truncate_line_to_width(&codewhale_ratatui::text::display_safe(error), 88)
+                }
+            },
+        ),
         ToolCell::Generic(generic) => {
             let mut label =
                 detail_target_label(app, idx).unwrap_or_else(|| generic.name.replace('_', " "));

crates/tui/src/tui/ui/apply.rs

@@ -4718,7 +4718,8 @@ pub(crate) fn apply_loaded_session_with_goal(
     };
     replay_outcomes_through(app, 0, messages.is_empty());
     for (message_index, msg) in messages.iter().enumerate() {
-        let mut cells = history_cells_from_message(msg);
+        let mut cells =
+            crate::tui::history::history_cells_from_message_with_results(msg, &messages);
         if msg.role == "user"
             && session
                 .context_references

crates/tui/tests/fixtures/conformance/events/approval_denied.golden.jsonl

@@ -4,7 +4,7 @@
 {"engine_session_id":"conformance-session","event":"session_updated","instruction_assembly":{"budgets":{"claude_fallback":false,"file_max_bytes":8388608,"global_tokens":100000,"policy":"trim","project_tokens":100000,"static_guard_tokens":667571,"usable_window_tokens":834464},"constitution_source_path":null,"constitution_tokens":0,"global_tokens":0,"notices":[{"action":"Kept","bytes_dropped":0,"bytes_kept":498,"detail":null,"fallback_selected":null,"limit":"None","origin":"Instructions","path":null,"scope":"Project","tokens_dropped":0,"tokens_kept":166}],"project_tokens":166,"retained_block_tokens":188,"source_path":null,"warnings":[]},"messages":[{"content":[{"text":"Create denied.txt with touch.","type":"text"},{"text":"<turn_meta>\nCurrent local date: <today>\nCurrent workspace: <WORKSPACE>\nCurrent permission posture: Ask\nCurrent sandbox posture: workspace-write (writes inside the workspace; network blocked) (local OS sandbox applied)\nEstimated conversation input: 1973 / 1000000 context tokens (0.2%). Automatic compaction is enabled.\n## Repo Working Set\nKey files: README.md\nWhen in doubt, use tools to verify and keep changes focused on the working set.\n</turn_meta>","type":"text"}],"role":"user"},{"content":[{"text":"<codewhale:runtime_event kind=\"project_instructions\" visibility=\"internal\">\n<system-reminder>\nThe following workspace instructions may be relevant to your work. Use them as guidance when applicable. More specific instructions take precedence over broader ones. They do not override system, developer, or direct user instructions. Instructions from: AGENTS.md\n\n<project_instructions source=\"project\">\n# Project Context (Auto-generated, ephemeral)\n\n> This context was generated in memory by Codewhale.\n> No .codewhale/instructions.md file was written.\n\n## Bounded Project Overview\n\n```json\n{\n  \"project_name\": \"workspace\",\n  \"directory_structure\": [\n    \"README.md\"\n  ],\n  \"readme\": {\n    \"path\": \"README.md\",\n    \"excerpt\": \"conformance fixture\"\n  },\n  \"config_files\": [],\n  \"key_source_files\": [],\n  \"counts\": {\n    \"config_files\": 0,\n    \"directory_entries\": 1,\n    \"key_source_files\": 0\n  }\n}\n```\n</project_instructions>\n</system-reminder>\n</codewhale:runtime_event>","type":"text"},{"text":"<turn_meta>\nInput provenance: runtime (non-authoritative)\n</turn_meta>","type":"text"}],"role":"user"}],"model":"deepseek-v4-pro","system_prompt":"<pinned by the prompt family>","workspace":"<WORKSPACE>"}
 {"changed":false,"context_updates":0,"description":"","event":"prefix_cache_change","last_miss_reason":"","pin_reason":"initial","pinned_combined_hash":"<masked>","stability_pct":100,"system_prompt_changed":false,"tools_changed":false}
 {"changed":false,"context_updates":0,"description":"frozen: 8fcc59a269e1","event":"prefix_cache_change","last_miss_reason":"","pin_reason":"initial","pinned_combined_hash":"<masked>","stability_pct":100,"system_prompt_changed":false,"tools_changed":false}
-{"event":"tool_request_snapshot","snapshot":{"active_tool_catalog_sha256":"9017c53ee026ae4065bed3e4b2e7d773a828556b42d6ebe2c2ebfd8e65377280","capture_source":"prepared model-client request","delivery_status":"unknown (capture does not prove provider delivery)","omitted_tool_count":0,"payload_json_bytes":17394,"payload_measurement_status":"exact (within 1048576-byte measurement bound)","provider":{"model":"deepseek-v4-pro","provider":"Deepseek","status":"available"},"registry_facts_present":true,"registry_only_tools":{"status":"known","value":{"count":40,"omitted":8,"rendered":[{"truncated":false,"value":"Git"},{"truncated":false,"value":"Run"},{"truncated":false,"value":"Web"},{"truncated":false,"value":"apply_patch"},{"truncated":false,"value":"automation"},{"truncated":false,"value":"context_archive_get"},{"truncated":false,"value":"context_archive_search"},{"truncated":false,"value":"diagnostics"},{"truncated":false,"value":"finance"},{"truncated":false,"value":"github"},{"truncated":false,"value":"handle_read"},{"truncated":false,"value":"harness"},{"truncated":false,"value":"image_ocr"},{"truncated":false,"value":"list_dir"},{"truncated":false,"value":"lsp"},{"truncated":false,"value":"note"},{"truncated":false,"value":"notify"},{"truncated":false,"value":"pandoc_convert"},{"truncated":false,"value":"project_map"},{"truncated":false,"value":"registry_sync"},{"truncated":false,"value":"request_plugin_install"},{"truncated":false,"value":"request_user_input"},{"truncated":false,"value":"retrieve_tool_result"},{"truncated":false,"value":"revert_turn"},{"truncated":false,"value":"review"},{"truncated":false,"value":"send_later"},{"truncated":false,"value":"session_get"},{"truncated":false,"value":"session_search"},{"truncated":false,"value":"start_mcp_server"},{"truncated":false,"value":"start_registry_mcp_server"},{"truncated":false,"value":"tasks"},{"truncated":false,"value":"terminal/cancel"}]}},"registry_tool_count":{"status":"known","value":65},"rendered_tool_count":15,"schema_version":1,"step":0,"tool_count":15,"tools":[{"allowed_callers":{"status":"known","value":{"count":1,"omitted":0,"rendered":[{"truncated":false,"value":"direct"}]}},"approval":{"status":"known","value":{"truncated":false,"value":"Required"}},"cache_control_type":{"reason":"request field absent","status":"unknown"},"capabilities":{"status":"known","value":{"count":3,"omitted":0,"rendered":[{"truncated":false,"value":"ExecutesCode"},{"truncated":false,"value":"Sandboxable"},{"truncated":false,"value":"RequiresApproval"}]}},"defer_loading":{"status":"known","value":false},"description":{"truncated":true,"value":"Execute a shell command in the workspace and return stdout and stderr (last 2000 lines or 50KB). Optional timeout is foreground seconds (default 30 seconds); a command still running then moves to the background by itself — never killed for time — returning output so far, last-output age, build phase, and a task_id. Call task_shell_wait with that task_id to read more or wait; do not sleep-poll with bash. Before a final answer, collect every still-relevant background task (wait only when genuinely blocked) an"},"input_examples":{"reason":"request field absent","status":"unknown"},"input_schema_json":{"truncated":false,"value":"{\"additionalProperties\":false,\"properties\":{\"command\":{\"description\":\"The command to execute. Actual execution shell: `/bin/bash`. Use Bash syntax: pipelines, redirections, $(command), and && / || are supported. Quote paths and variable expansions, such as \\\"$path\\\"; use single quotes for literal text. For literal multiline input, use a quoted heredoc delimiter (<<'EOF') with its closing delimiter on a separate line. Use only installed programs; do not assume GNU-specific flags on macOS/BSD. Example: printf '%s\\\\n' 'sample'.\",\"type\":\"string\"},\"description\":{\"description\":\"Optional few-word summary shown to the user beside the command.\",\"type\":\"string\"},\"justification\":{\"description\":\"Required with sandbox_permissions: one sentence explaining why this exact command needs wider access.\",\"type\":\"string\"},\"read_only\":{\"description\":\"Set true to run analysis code (including Python/SQLite) or a network fetch (curl) with mandatory native filesystem read-only isolation. Outbound network is on only in Full Access when the session sandbox, the network policy and your network grant allow it. Available during peer writes. Refused when native enforcement is unavailable; no background, stdin, external backend, or sandbox escalation.\",\"type\":\"boolean\"},\"sandbox_permissions\":{\"description\":\"The wider sandbox mode this exact command needs. Use only as a one-shot retry after a sandbox denial; requires justification and user approval in Ask.\",\"enum\":[\"workspace-write\",\"danger-full-access\"],\"type\":\"string\"},\"timeout\":{\"description\":\"Optional seconds to wait in the foreground (default 30 seconds). A command still running then is not killed: it movesLine truncated
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 {"event":"route_dispatched","route":{"auto_model":false,"base_url":"https://api.deepseek.com/beta","billing":{"billing_mode":"metered","dispatched_at":"<timestamp>"},"billing_product":{"kind":"unproven"},"model":"deepseek-v4-pro","provider":"deepseek","provider_identity":"deepseek"},"turn_id":"<uuid:1>"}
 {"event":"message_started","index":0}
 {"delta":"Hello","event":"response_delta","index":0}
@@ -13,6 +13,6 @@
 {"duration_ms":"<masked>","event":"turn_usage","first_token_ms":"<masked>","request_ms":"<masked>","usage":{"input_tokens":120,"output_tokens":4}}
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crates/tui/tests/fixtures/conformance/events/provider_error_after_tool_call.golden.jsonl

@@ -4,13 +4,13 @@
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docs/features.toml

@@ -491,6 +491,15 @@ surfaces = { tui = "preview", api = "partial" }
 since = "unreleased"
 owner = "crates/engine/src/tools/present.rs"
 
+[[feature]]
+id = "show-data"
+name = "Charts in the transcript"
+summary = "Read-only show_data tool: display sparklines, labelled bars or trends, with matching text summaries."
+status = "experimental"
+surfaces = { tui = "preview", api = "partial" }
+since = "unreleased"
+owner = "crates/engine/src/tools/show_data.rs"
+
 [[feature]]
 id = "read-media"
 name = "read_media"

scripts/runtime-contract-budget.json

@@ -123,9 +123,9 @@
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             "Run",
@@ -164,6 +164,7 @@
             "send_later",
             "session_get",
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+            "show_data",
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@@ -182,7 +183,7 @@
             "workflow",
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@@ -252,6 +253,7 @@
             "send_later",
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+            "show_data",
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@@ -270,7 +272,7 @@
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@@ -326,6 +328,7 @@
             "request_user_input",
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+            "show_data",
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@@ -335,7 +338,7 @@
             "workflow",
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web/data/features.generated.json

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   "format": "codewhale.features.v1",
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+    "sha256": "21af938e54fedd4f5389ecec7b196a4b4ac957ed42cbffb1b4eeb0f0177fbb58"
   },
   "features": [
     {
@@ -616,6 +616,20 @@
       "docs": null,
       "registryLine": 486
     },
+    {
+      "id": "show-data",
+      "name": "Charts in the transcript",
+      "summary": "Read-only show_data tool: display sparklines, labelled bars or trends, with matching text summaries.",
+      "status": "experimental",
+      "surfaces": {
+        "tui": "preview",
+        "api": "partial"
+      },
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+      "flag": null,
+      "docs": null,
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+    },
     {
       "id": "read-media",
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@@ -627,7 +641,7 @@
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@@ -653,7 +667,7 @@
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       "flag": null,
       "docs": "docs/LSP_PHP_CUSTOM.md",
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@@ -789,7 +803,7 @@
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@@ -802,7 +816,7 @@
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       "docs": "docs/RUNTIME_API.md",
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@@ -815,7 +829,7 @@
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       "docs": "docs/RUNTIME_API.md#compatibility-execution-limits",
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@@ -828,7 +842,7 @@
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       "flag": null,
       "docs": "docs/RUNTIME_API.md#put-v1providersidkey--write-only-credential",
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@@ -841,7 +855,7 @@
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@@ -854,7 +868,7 @@
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@@ -867,7 +881,7 @@
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@@ -880,7 +894,7 @@
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@@ -933,7 +947,7 @@
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@@ -946,7 +960,7 @@
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@@ -960,7 +974,7 @@
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@@ -974,7 +988,7 @@
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     {
       "id": "local-model-reasoning",
@@ -1093,7 +1107,7 @@
       "since": "unreleased",
       "flag": null,
       "docs": "docs/LOCAL_MODEL_REASONING.md",
-      "registryLine": 814
+      "registryLine": 823
     },
     {
       "id": "workbar",
@@ -1106,7 +1120,7 @@
       "since": null,
       "flag": null,
       "docs": null,
-      "registryLine": 824
+      "registryLine": 833
     },
     {
       "id": "terminal-dock",
@@ -1119,7 +1133,7 @@
       "since": "0.10.2",
       "flag": null,
       "docs": null,
-      "registryLine": 832
+      "registryLine": 841
     },
     {
       "id": "telemetry",
@@ -1132,7 +1146,7 @@
       "since": null,
       "flag": null,
       "docs": "docs/TELEMETRY.md",
-      "registryLine": 843
+      "registryLine": 852
     },
     {
       "id": "docker",
@@ -1145,7 +1159,7 @@
       "since": null,
       "flag": null,
       "docs": "docs/DOCKER.md",
-      "registryLine": 852
+      "registryLine": 861
     },
     {
       "id": "termux",
@@ -1158,7 +1172,7 @@
       "since": null,
       "flag": null,
       "docs": "docs/TERMUX.md",
-      "registryLine": 861
+      "registryLine": 870
     },
     {
       "id": "harmonyos-native",
@@ -1171,7 +1185,7 @@
       "since": null,
       "flag": null,
       "docs": "docs/HarmonyOS.md",
-      "registryLine": 870
+      "registryLine": 879
     },
     {
       "id": "chatgpt-plan-sign-in",
@@ -1186,7 +1200,7 @@
       "since": "0.10.1",
       "flag": null,
       "docs": "docs/PROVIDERS.md#sign-in-with-chatgpt",
-      "registryLine": 879
+      "registryLine": 888
     },
     {
       "id": "plugin-oauth-providers",
@@ -1201,7 +1215,7 @@
       "since": "0.10.1",
       "flag": null,
       "docs": "docs/PLUGIN_PROVIDERS.md",
-      "registryLine": 889
+      "registryLine": 898
     },
     {
       "id": "orcarouter-sign-in",
@@ -1216,7 +1230,7 @@
       "since": "0.10.1",
       "flag": null,
       "docs": "docs/PROVIDERS.md",
-      "registryLine": 899
+      "registryLine": 908
     },
     {
       "id": "merch-interest",
@@ -1231,7 +1245,7 @@
       "since": "unreleased",
       "flag": null,
       "docs": "web/lib/merch/README.md",
-      "registryLine": 910
+      "registryLine": 919
     },
     {
       "id": "local-whale-voice",
@@ -1245,7 +1259,7 @@
       "since": "unreleased",
       "flag": null,
       "docs": "docs/RUNTIME_API.md#local-whale-voice",
-      "registryLine": 920
+      "registryLine": 929
     },
     {
       "id": "profile-constitution",
@@ -1259,7 +1273,7 @@
       "since": "0.10.1",
       "flag": null,
       "docs": "docs/RUNTIME_API.md#profile-constitution",
-      "registryLine": 930
+      "registryLine": 939
     },
     {
       "id": "plugin-shell-install",
@@ -1272,7 +1286,7 @@
       "since": "0.10.2",
       "flag": null,
       "docs": "docs/PLUGINS.md",
-      "registryLine": 940
+      "registryLine": 949
     },
     {
       "id": "herdr-agent-state",
@@ -1285,7 +1299,7 @@
       "since": "0.10.2",
       "flag": null,
       "docs": null,
-      "registryLine": 950
+      "registryLine": 959
     },
     {
       "id": "instruction-budgets",
@@ -1298,7 +1312,7 @@
       "since": "unreleased",
       "flag": null,
       "docs": "docs/CONFIGURATION.md#instruction-budget-instruction_budget-6526",
-      "registryLine": 959
+      "registryLine": 968
     },
     {
       "id": "github-action-review",
@@ -1311,7 +1325,7 @@
       "since": "unreleased",
       "flag": null,
       "docs": "docs/GITHUB_ACTION.md",
-      "registryLine": 969
+      "registryLine": 978
     },
     {
       "id": "telegram-agent",
@@ -1324,7 +1338,7 @@
       "since": "unreleased",
       "flag": null,
       "docs": "integrations/telegram-bridge/README.md",
-      "registryLine": 979
+      "registryLine": 988
     },
     {
       "id": "dingtalk-agent",
@@ -1337,7 +1351,7 @@
       "since": "unreleased",
       "flag": null,
       "docs": "integrations/dingtalk-bridge/README.md",
-      "registryLine": 989
+      "registryLine": 998
     },
     {
       "id": "compaction-archive-recall",
@@ -1350,7 +1364,7 @@
       "since": "unreleased",
       "flag": null,
       "docs": null,
-      "registryLine": 999
+      "registryLine": 1008
     },
     {
       "id": "usage-statistics",
@@ -1363,7 +1377,7 @@
       "since": "unreleased",
       "flag": null,
       "docs": "docs/CONFIGURATION.md#usage-and-execution-statistics",
-      "registryLine": 1008
+      "registryLine": 1017
     },
     {
       "id": "cache-call-receipts",
@@ -1376,7 +1390,7 @@
       "since": "unreleased",
       "flag": null,
       "docs": "docs/CONFIGURATION.md#usage-and-execution-statistics",
-      "registryLine": 1018
+      "registryLine": 1027
     },
     {
       "id": "local-proxy-fallback",
@@ -1390,7 +1404,7 @@
       "since": "unreleased",
       "flag": null,
       "docs": "docs/INSTALL.md#a-local-proxy-that-closed-after-the-session-started",
-      "registryLine": 1028
+      "registryLine": 1037
     },
     {
       "id": "rate-limit-recovery",
@@ -1405,7 +1419,7 @@
       "since": null,
       "flag": null,
       "docs": "docs/rate-limit-retries.md",
-      "registryLine": 1038
+      "registryLine": 1047
     },
     {
       "id": "custom-responses-profile",
@@ -1418,7 +1432,7 @@
       "since": "unreleased",
       "flag": null,
       "docs": "docs/CONFIGURATION.md",
-      "registryLine": 1047
+      "registryLine": 1056
     }
   ]
 }

web/lib/facts.generated.ts

@@ -42,7 +42,7 @@ export interface RepoFacts {
 }
 
 export const FACTS: RepoFacts = {
-  "generatedAt": "2026-11-12T08:41:42.963Z",
+  "generatedAt": "2026-11-13T04:43:39.245Z",
   "sourceRevision": null,
   "sourceCommittedAt": null,
   "version": "0.10.3",
@@ -1154,7 +1154,7 @@ export const FACTS: RepoFacts = {
   ],
   "defaultModel": "deepseek-flash",
   "nodeEngines": ">=18",
-  "toolCount": 82,
+  "toolCount": 83,
   "contributorCount": 433,
   "license": "MIT",
   "latestPublishedRelease": {