feat(tui): status line, keymap title, and command cursor

docs/KULLANIM.md

@@ -123,7 +123,9 @@ tw board --date 2026-04-01
 
 ![Board TUI](images/board.png)
 
-**Seçili kolon** kenarlığı vurgulanır. **Seçili satır** açık ve koyu temalarda okunaklı görünsün diye **turuncu** arka plan ve kalın yazı ile gösterilir.
+**Seçili kolon** kenarlığı vurgulanır. **Seçili satır**, o kolonun **vurgu rengiyle** (sarı / mavi / yeşil) aynı arka plan ve kalın yazı ile gösterilir (sarı ve yeşilde siyah, mavi üzerinde beyaz metin).
+
+**Komut** kutusunun üstünde, tek satırlık bir **durum** şeridi komut çıktısı yokken **seçili görevi** gösterir (kimlik, başlık, etiketler, notlar); kolonda kesilen uzun metinler burada okunabilir; satır terminal genişliğine göre kısaltılabilir. `:` ile bir komut çalıştırdıktan sonra şerit, sonuç veya hatayı **Tab**, ok tuşları veya başka bir gezinme tuşuna basana kadar gösterir.
 
 **Klavye (board ekranı):**
 
@@ -141,7 +143,9 @@ tw board --date 2026-04-01
 | `:`       | Komut satırı (aşağıya bakın)                                           |
 | `Esc`     | Komut satırında iptal                                                  |
 
-**Komut satırı (`:`):** Örneğin `add Yeni görev` veya `start 01ABC123` yazın (`tw` öneki isteğe bağlı). **Enter** ile çalıştırın, **Esc** ile iptal.
+**`s`**, **`d`** veya **`b`** ile taşıdıktan sonra aynı görev seçili kalır ve yeni kolonunda vurgulanır (güncel görünümde hâlâ listeleniyorsa).
+
+**Komut satırı (`:`):** Örneğin `add Yeni görev` veya `start 01ABC123` yazın (`tw` öneki isteğe bağlı). **Enter** ile çalıştırın, **Esc** ile iptal. Düzenlerken imleci **←** / **→** ile taşıyın.
 
 **İstatistik ekranı:**
 

docs/USAGE.md

@@ -119,7 +119,9 @@ tw board --date 2026-04-01
 
 ![Board TUI](images/board.png)
 
-The **focused column** highlights its border. The **selected row** uses an **orange** background with bold text so the cursor stays visible on light and dark terminal themes.
+The **focused column** highlights its border. The **selected row** uses the **same accent color as that column** (yellow / blue / green) as its background, with bold text (black on yellow and green, white on blue) so the cursor stays visible.
+
+Above the **command** box, a one-line **status** strip shows the **selected task** (id, title, tags, and notes) when you are not viewing command output, so you can read fields that are clipped in the column list; very long lines are truncated to the terminal width. After you run a `:` command, that strip shows the result or error until you move with **Tab**, arrows, or another navigation key.
 
 **Board keys:**
 
@@ -136,7 +138,9 @@ The **focused column** highlights its border. The **selected row** uses an **ora
 | `:`       | Command line (see below) |
 | `Esc`     | Cancel command line |
 
-**Command line (`:`):** type a line such as `add My task` or `start 01ABC123` (optional `tw` prefix). Press **Enter** to run, **Esc** to cancel.
+After **`s`**, **`d`**, or **`b`**, the same task stays selected and highlighted in its new column (if it is still visible in the current view).
+
+**Command line (`:`):** type a line such as `add My task` or `start 01ABC123` (optional `tw` prefix). Press **Enter** to run, **Esc** to cancel. Use **←** / **→** to move the cursor while editing.
 
 **Stats screen:**
 

scripts/generate_doc_screenshots.py

@@ -30,8 +30,8 @@
 BLUE = (120, 160, 255)
 GREEN = (120, 220, 160)
 GRAY = (100, 100, 100)
-ORANGE = (255, 165, 0)
 BLACK = (0, 0, 0)
+WHITE = (255, 255, 255)
 
 
 def _font(size: int) -> ImageFont.FreeTypeFont | ImageFont.ImageFont:
@@ -81,8 +81,9 @@ def col_block(
         for line, is_sel in rows:
             if is_sel:
                 bbox = dr.textbbox((x + 10, yy), line, font=mono)
-                dr.rectangle([bbox[0] - 2, bbox[1] - 1, bbox[2] + 2, bbox[3] + 1], fill=ORANGE)
-                dr.text((x + 10, yy), line, fill=BLACK, font=mono)
+                dr.rectangle([bbox[0] - 2, bbox[1] - 1, bbox[2] + 2, bbox[3] + 1], fill=border)
+                txt = WHITE if border == BLUE else BLACK
+                dr.text((x + 10, yy), line, fill=txt, font=mono)
             else:
                 dr.text((x + 10, yy), line, fill=FG, font=mono)
             yy += 20
@@ -91,12 +92,24 @@ def col_block(
     col_block(8 + col_w, "DOING", titles[1][1], rows_doing, False)
     col_block(8 + 2 * col_w, "DONE", titles[2][1], rows_done, False)
 
-    fy = y0 + col_h + 8
-    dr.rectangle([4, fy, w - 5, fy + 32], outline=GRAY, width=1)
-    dr.text((10, fy + 8), "> ", fill=GRAY, font=mono)
-    dr.text((10, fy + 52), " command (press :) ", fill=GRAY, font=small)
-    hint = " s start | d done | b back | a Done view | Tab | g stats | q | : command | Esc "
-    dr.text((10, h - 28), hint, fill=GRAY, font=small)
+    footer_top = y0 + col_h + 8
+    dr.text(
+        (10, footer_top),
+        "01DEF45678901234  Review PR  [docs, team]  |  note: one-line status",
+        fill=GRAY,
+        font=small,
+    )
+    cmd_top = footer_top + 20
+    dr.rectangle([4, cmd_top, w - 5, cmd_top + 32], outline=GRAY, width=1)
+    dr.text((10, cmd_top + 4), " command (press :) ", fill=GRAY, font=small)
+    dr.text((10, cmd_top + 20), "> ", fill=GRAY, font=mono)
+    hint_top = h - 46
+    dr.rectangle([4, hint_top, w - 5, h - 6], outline=GRAY, width=1)
+    dr.text((10, hint_top + 4), " keymap ", fill=GRAY, font=small)
+    hint = (
+        " s start | d done | b back | a Done view | Tab | g stats | q | : command | Esc | ←/→ "
+    )
+    dr.text((10, hint_top + 22), hint, fill=GRAY, font=small)
 
     im.save(path, "PNG")
 

src/ui/board.rs

@@ -5,7 +5,7 @@ use ratatui::{
     widgets::{Block, Borders, List, ListItem, Paragraph},
     Frame,
 };
-use unicode_width::UnicodeWidthStr;
+use unicode_width::{UnicodeWidthChar, UnicodeWidthStr};
 
 use crate::state::task::Task;
 use crate::ui::App;
@@ -22,19 +22,47 @@ fn split_main(area: Rect) -> (Rect, Rect, Rect) {
     (rows[0], rows[1], rows[2])
 }
 
-/// Footer: command row (top), status (middle), keys hint (bottom).
+/// Footer: single-line status (top), command row (middle), keys hint (bottom).
 fn split_footer(footer: Rect) -> (Rect, Rect, Rect) {
     let chunks = Layout::default()
         .direction(Direction::Vertical)
         .constraints([
-            Constraint::Length(3),
             Constraint::Length(1),
             Constraint::Length(3),
+            Constraint::Length(3),
         ])
         .split(footer);
     (chunks[0], chunks[1], chunks[2])
 }
 
+/// Truncate to one terminal row (ellipsis when shortened).
+fn fit_status_line(s: &str, max_cols: u16) -> String {
+    let max = max_cols as usize;
+    if max == 0 {
+        return String::new();
+    }
+    if UnicodeWidthStr::width(s) <= max {
+        return s.to_string();
+    }
+    let ell = "…";
+    let ell_w = UnicodeWidthStr::width(ell);
+    if max <= ell_w {
+        return ell.chars().take(max).collect();
+    }
+    let budget = max - ell_w;
+    let mut acc = 0usize;
+    let mut end_byte = 0usize;
+    for (i, ch) in s.char_indices() {
+        let w = UnicodeWidthChar::width(ch).unwrap_or(0);
+        if acc + w > budget {
+            break;
+        }
+        acc += w;
+        end_byte = i + ch.len_utf8();
+    }
+    format!("{}{}", &s[..end_byte], ell)
+}
+
 fn input_block_title(app: &App) -> &'static str {
     if app.command_focused {
         " command "
@@ -49,14 +77,18 @@ pub fn command_cursor_position(term_area: Rect, app: &App) -> Option<(u16, u16)>
         return None;
     }
     let (_, _, footer) = split_main(term_area);
-    let (input_outer, _, _) = split_footer(footer);
+    let (_, input_outer, _) = split_footer(footer);
     let block = Block::default()
         .borders(Borders::ALL)
         .title(input_block_title(app));
     let inner = block.inner(input_outer);
     let prefix = "> ";
-    let w = UnicodeWidthStr::width(prefix)
-        .saturating_add(UnicodeWidthStr::width(app.command_buffer.as_str()));
+    let mut c = app.command_cursor.min(app.command_buffer.len());
+    while c > 0 && !app.command_buffer.is_char_boundary(c) {
+        c -= 1;
+    }
+    let before = &app.command_buffer[..c];
+    let w = UnicodeWidthStr::width(prefix).saturating_add(UnicodeWidthStr::width(before));
     let w_u16 = u16::try_from(w).unwrap_or(u16::MAX);
     let col = inner.x.saturating_add(w_u16);
     let row = inner.y;
@@ -117,7 +149,15 @@ pub fn draw(f: &mut Frame, app: &App) {
         Color::Green,
     );
 
-    let (input_area, status_area, hint_area) = split_footer(footer_area);
+    let (status_area, input_area, hint_area) = split_footer(footer_area);
+
+    let status_raw = app.footer_status_text();
+    let status_w = status_area.width;
+    let status_text = fit_status_line(&status_raw, status_w);
+    let status = Paragraph::new(status_text)
+        .style(Style::default().fg(Color::DarkGray))
+        .block(Block::default().borders(Borders::NONE));
+    f.render_widget(status, status_area);
 
     let input_label = input_block_title(app);
     let prompt = if app.command_focused {
@@ -143,23 +183,25 @@ pub fn draw(f: &mut Frame, app: &App) {
         );
     f.render_widget(input, input_area);
 
-    let status_text = app
-        .status_line
-        .as_deref()
-        .unwrap_or("");
-    let status = Paragraph::new(status_text)
-        .style(Style::default().fg(Color::DarkGray))
-        .block(Block::default().borders(Borders::NONE));
-    f.render_widget(status, status_area);
-
     let hint = Paragraph::new(
-        " s start | d done | b back | a Done view | Tab | g stats | q | : command | Esc ",
+        " s start | d done | b back | a Done view | Tab | g stats | q | : command | Esc | ←/→ ",
     )
     .style(Style::default().fg(Color::DarkGray))
-    .block(Block::default().borders(Borders::ALL));
+    .block(Block::default().borders(Borders::ALL).title(" keymap "));
     f.render_widget(hint, hint_area);
 }
 
+fn selection_style(column_accent: Color) -> Style {
+    let fg = match column_accent {
+        Color::Blue => Color::White,
+        _ => Color::Black,
+    };
+    Style::default()
+        .fg(fg)
+        .bg(column_accent)
+        .add_modifier(Modifier::BOLD)
+}
+
 fn render_column(
     f: &mut Frame,
     area: ratatui::layout::Rect,
@@ -169,10 +211,7 @@ fn render_column(
     selected_row: usize,
     color: Color,
 ) {
-    let selected_row_style = Style::default()
-        .fg(Color::Black)
-        .bg(Color::Rgb(255, 165, 0))
-        .add_modifier(Modifier::BOLD);
+    let selected_row_style = selection_style(color);
 
     let border_style = if is_selected {
         Style::default().fg(color).add_modifier(Modifier::BOLD)