ticket: close TUI composer cursor scroll

work-items/closed/20260529-010200-tui-composer-cursor-scroll/item.md

@@ -2,12 +2,12 @@
 id: 20260529-010200-tui-composer-cursor-scroll
 slug: tui-composer-cursor-scroll
 title: Scroll TUI composer around cursor
-status: open
+status: closed
 kind: task
 priority: P2
 labels: [tui, input, ux]
 created_at: 2026-05-29T01:02:00Z
-updated_at: 2026-05-29T01:02:00Z
+updated_at: 2026-05-29T02:08:04Z
 assignee: null
 legacy_ticket: null
 ---

work-items/closed/20260529-010200-tui-composer-cursor-scroll/resolution.md

@@ -0,0 +1,55 @@
+---
+id: 20260529-010200-tui-composer-cursor-scroll
+slug: tui-composer-cursor-scroll
+title: Scroll TUI composer around cursor
+status: closed
+kind: task
+priority: P2
+labels: [tui, input, ux]
+created_at: 2026-05-29T01:02:00Z
+updated_at: 2026-05-29T02:08:03Z
+assignee: null
+legacy_ticket: null
+---
+
+## Background
+
+The TUI composer/input area has a fixed visible height. When the input buffer grows beyond the visible area (for example 10+ lines), the rendered text is clipped instead of scrolling to keep the cursor visible.
+
+This makes editing long messages unreliable: the user can continue typing or moving the cursor, but the relevant lines may be outside the visible area.
+
+## Requirements
+
+- Implement cursor-based vertical scrolling for the normal composer input area.
+- The visible viewport should follow the cursor line when the input has more lines than the allocated input height.
+  - Moving the cursor above the viewport scrolls up.
+  - Moving the cursor below the viewport scrolls down.
+  - Typing new lines at the bottom keeps the cursor visible.
+  - Deleting lines clamps the scroll offset to valid bounds.
+- Preserve existing input behavior:
+  - editing operations.
+  - cursor movement.
+  - selection/completion behavior for file refs if applicable.
+  - queued input behavior.
+  - command mode behavior unless command input shares the same rendering path and needs the same fix.
+- The cursor's terminal position should correspond to the visible cursor location after scrolling.
+- The implementation should not simply increase composer height or hide conversation content indefinitely.
+- Keep visual separators/borders consistent with the existing TUI layout.
+
+## Acceptance criteria
+
+- A composer buffer longer than the visible input area renders a window around the cursor instead of clipping from a fixed origin.
+- Cursor up/down/page movement updates the composer viewport correctly.
+- Inserting/deleting lines keeps viewport bounds valid.
+- Existing short single-line and small multi-line input rendering remains unchanged.
+- Focused tests cover viewport calculation around cursor position and clamping.
+- `cargo fmt --check`
+- Relevant TUI focused tests, e.g. `cargo test -p tui input --no-default-features` or equivalent.
+- `cargo check -p tui`
+
+## Out of scope
+
+- Resizable composer UX redesign.
+- Mouse scrolling inside composer.
+- Horizontal scrolling/wrapping redesign beyond what is needed to keep current behavior correct.
+- Changing command completion behavior; see `20260529-010200-tui-command-completion-apply`.

work-items/closed/20260529-010200-tui-composer-cursor-scroll/thread.md

@@ -0,0 +1,70 @@
+<!-- event: create author: tickets.sh at: 2026-05-29T01:02:00Z -->
+
+## Created
+
+Created by tickets.sh create.
+
+---
+
+<!-- event: close author: hare at: 2026-05-29T02:08:04Z status: closed -->
+
+## Closed
+
+---
+id: 20260529-010200-tui-composer-cursor-scroll
+slug: tui-composer-cursor-scroll
+title: Scroll TUI composer around cursor
+status: closed
+kind: task
+priority: P2
+labels: [tui, input, ux]
+created_at: 2026-05-29T01:02:00Z
+updated_at: 2026-05-29T02:08:03Z
+assignee: null
+legacy_ticket: null
+---
+
+## Background
+
+The TUI composer/input area has a fixed visible height. When the input buffer grows beyond the visible area (for example 10+ lines), the rendered text is clipped instead of scrolling to keep the cursor visible.
+
+This makes editing long messages unreliable: the user can continue typing or moving the cursor, but the relevant lines may be outside the visible area.
+
+## Requirements
+
+- Implement cursor-based vertical scrolling for the normal composer input area.
+- The visible viewport should follow the cursor line when the input has more lines than the allocated input height.
+  - Moving the cursor above the viewport scrolls up.
+  - Moving the cursor below the viewport scrolls down.
+  - Typing new lines at the bottom keeps the cursor visible.
+  - Deleting lines clamps the scroll offset to valid bounds.
+- Preserve existing input behavior:
+  - editing operations.
+  - cursor movement.
+  - selection/completion behavior for file refs if applicable.
+  - queued input behavior.
+  - command mode behavior unless command input shares the same rendering path and needs the same fix.
+- The cursor's terminal position should correspond to the visible cursor location after scrolling.
+- The implementation should not simply increase composer height or hide conversation content indefinitely.
+- Keep visual separators/borders consistent with the existing TUI layout.
+
+## Acceptance criteria
+
+- A composer buffer longer than the visible input area renders a window around the cursor instead of clipping from a fixed origin.
+- Cursor up/down/page movement updates the composer viewport correctly.
+- Inserting/deleting lines keeps viewport bounds valid.
+- Existing short single-line and small multi-line input rendering remains unchanged.
+- Focused tests cover viewport calculation around cursor position and clamping.
+- `cargo fmt --check`
+- Relevant TUI focused tests, e.g. `cargo test -p tui input --no-default-features` or equivalent.
+- `cargo check -p tui`
+
+## Out of scope
+
+- Resizable composer UX redesign.
+- Mouse scrolling inside composer.
+- Horizontal scrolling/wrapping redesign beyond what is needed to keep current behavior correct.
+- Changing command completion behavior; see `20260529-010200-tui-command-completion-apply`.
+
+
+---

work-items/open/20260529-010200-tui-composer-cursor-scroll/thread.md

@@ -1,7 +0,0 @@
-<!-- event: create author: tickets.sh at: 2026-05-29T01:02:00Z -->
-
-## Created
-
-Created by tickets.sh create.
-
----