T11: reviewed, ticked

TASKS.md

@@ -26,7 +26,7 @@ Progress truth. Top to bottom, one at a time. A task is ticked only after its co
 
 ## 6. Main window and layout
 
-- [ ] T11 `ColumnShell` with sessions, terminal and right columns; toggles kept in settings; window title; a transparent title bar over the window's background, as Ghostty's.
+- [x] T11 `ColumnShell` with sessions, terminal and right columns; toggles kept in settings; window title; a transparent title bar over the window's background, as Ghostty's.
 
 ## 7. Sessions panel
 

tasks/reviews.md

@@ -54,3 +54,8 @@ Each task gets at most three codex rounds. Each round: the commit, the verdict,
 - Round 1, 4d8788f: FAIL. Matches went stale after a resize or a scrollback trim; the current match kept its index, not its line; alacritty's search read no combining marks; whole word used ASCII edges; a reset left the old title. Fixed in 1c21dfd: find runs Ely's find_all on the grid's shown text (marks, hidden cells blank, wrapped rows joined, Unicode words); output, resizes and settings changes search again; the current match follows its line; a reset replays the title.
 - Round 2, 1c21dfd: FAIL. Following was quadratic on a long line (60 s on a million characters); text appended to the current line moved the current match; a reset inside a synchronized update kept the old title. Fixed in 11b2ce6: one pass, a forward walk and line ends found once, guarded by a timed test; identical lines rank first, then lines grown or cut, then line and column; a cleared or trimmed history moves no line; the title replays on CursorBlinkingChange, in the parser's order.
 - Round 3, 11b2ce6: FAIL. With two identical lines, growing the current one moved the match to its twin. The three-round cap reached: fixed in 39761d9 on a red-green test, a line kept, grown or cut ranks first when held under the same line above or in its place. The reviewer's round 2 and 3 scenario records replayed with fresh homes, focus and long-line cases aside, all as expected; three mutations of the rule each fail a test.
+
+## T11
+
+- Round 1, 34ce046: FAIL. A press on a blank column or a header gave focus to the focus root, below which the Workspace key context and its toggle actions sat, so Cmd-B and Cmd-Alt-B did nothing. Fixed in 0de9e15: the context and its actions sit on the outermost element, above ResizeBorder and the focus root; the four press-then-toggle cases hide both columns and save both flags.
+- Round 2, 0de9e15: PASS.