T30: the main window opens at the size it was left at: its size, read once the bounds settle and kept in the settings unless the window is maximized or full screen, opens the next window, shrunk where it passes the screen

tasks/acceptance.md

@@ -9,7 +9,7 @@ What no check reached: no one has looked at the window on Windows, which CI buil
 | PRD line | Task | Evidence | Status |
 |---|---|---|---|
 | One window: sessions left, terminal middle, Git or Files right | T11 | T11 review; a real X11 window shows the terminal and the right column | Pass |
-| Every setting has a control in the settings window | T16–T18 | 17 of the 20 fields have a row; `show_sessions`, `show_panel` and `panel` are the main window's toggles and switch, which §6 keeps in the file | Pass |
+| Every setting has a control in the settings window | T16–T18, T30 | 17 of the 22 fields have a row; `show_sessions`, `show_panel` and `panel` are the main window's toggles and switch, and `window_width` and `window_height` its size, which §6 keeps in the file | Pass |
 | Silent: no sound, bell, notification, update check, telemetry, tip or onboarding | T10, T12 | a bell is logged and marks a hidden row; the code holds no network call or notification | Pass |
 | Clean: no subtitle, tagline, logging option, status bar or badge without state | T11–T18 | reviews of the layout and settings tasks | Pass |
 | Built-in themes, each with a preview, Catppuccin among them; a theme colors terminal and chrome | T03, T17 | `themes::tests`; T17 review | Pass |
@@ -70,6 +70,7 @@ What no check reached: no one has looked at the window on Windows, which CI buil
 |---|---|---|---|
 | `ColumnShell` with three columns; blur when the setting is on | T11, T19 | `shot` names a `BlurredView` under the window | Pass |
 | Columns toggle and keep their state | T11, T23 | a click on each title bar button hid its column and saved it, and a restart opened the window with both hidden (147 columns against 87); Cmd-B with the app active; Ctrl-Shift-B on a real X11 window | Pass |
+| The window opens at the size it was left at; maximized or full screen, the size before stays; a kept size past the screen shrinks to it | T30 | `a_value_out_of_range_names_its_field`; on X11 under xfwm4: the first start opened at 1200 by 760 and wrote nothing; a resize to 900 by 600 was kept with one write, and the next start opened at 900 by 600 and wrote nothing; maximized by xfwm4's Alt+F10 the window spanned the 1400 by 900 screen while the file kept 900 by 600, and restored it was 900 by 600 again; a kept 3000 by 2000 opened at 1400 by 900, logged; on macOS under `shot`, a kept 900 by 600 opened at 900 by 600 and a kept 5000 by 4000 at the visible 1920 by 1113, logged; a resize on macOS and any run on Windows not yet shown | Partial |
 | The title shows the session's title, nothing else | T11 | log: "the title is", per session shown | Pass |
 | The pointer over the terminal is the arrow | T26 | the terminal sets no pointer, so gpui's arrow shows; on X11 with the pointer over the grid, gpui asked for no I-beam ("text"), which it had asked for, and failed to load under Xvfb, before | Pass |
 | The title bar is transparent | T11, T19 | T19 review | Pass |