fix(TUI): dont submit prompt when switching sessions

[LeonMueller-OneAndOnly]

What does this PR do?

Fixes ux issue, where prompt gets auto submitted when switching sessions / conversations via the keyboard

How did you verify your code works?

Tested it manually after straight forward fix.

Fixes

#8019

A screen recording of the issue is attached to make it easy to understand what was undesired and is now fixed.

undesired-behaviour.mp4

To ensure no other functionalities are negatively impacted, I have checked where the component is used in the codebase. For all functions I am familiar with the return-key binding still works as someone expects. For transparency, here is the full reference list:

✅ := controlled, everything works fine
[?] not familiar enough with opencode to know where to find it, since all other occurrences were fine i assume those are too.

✅ packages/opencode/src/cli/cmd/tui/component/dialog-agent.tsx
3, 10: import { DialogSelect } from "@tui/ui/dialog-select"
21, 6: <DialogSelect

✅ packages/opencode/src/cli/cmd/tui/component/dialog-command.tsx
2, 10: import { DialogSelect, type DialogSelectOption, type DialogSelectRef } from "@tui/ui/dialog-select"
118, 6: <DialogSelect

✅packages/opencode/src/cli/cmd/tui/component/dialog-mcp.tsx
5, 10: import { DialogSelect, type DialogSelectRef, type DialogSelectOption } from "@tui/ui/dialog-select"
76, 6: <DialogSelect

✅ packages/opencode/src/cli/cmd/tui/component/dialog-model.tsx
5, 10: import { DialogSelect, type DialogSelectRef } from "@tui/ui/dialog-select"
207, 6: <DialogSelect

✅packages/opencode/src/cli/cmd/tui/component/dialog-provider.tsx
4, 10: import { DialogSelect } from "@tui/ui/dialog-select"
54, 20: <DialogSelect
97, 11: return

✅ packages/opencode/src/cli/cmd/tui/component/dialog-session-list.tsx
2, 10: import { DialogSelect } from "@tui/ui/dialog-select"
74, 6: <DialogSelect

[?] packages/opencode/src/cli/cmd/tui/component/dialog-stash.tsx
2, 10: import { DialogSelect } from "@tui/ui/dialog-select"
55, 6: <DialogSelect

[?] packages/opencode/src/cli/cmd/tui/component/dialog-tag.tsx
2, 10: import { DialogSelect } from "@tui/ui/dialog-select"
35, 6: <DialogSelect

✅ packages/opencode/src/cli/cmd/tui/component/dialog-theme-list.tsx
1, 10: import { DialogSelect, type DialogSelectRef } from "../ui/dialog-select"
24, 6: <DialogSelect

[?] packages/opencode/src/cli/cmd/tui/routes/session/dialog-fork-from-timeline.tsx
3, 10: import { DialogSelect, type DialogSelectOption } from "@tui/ui/dialog-select"
63, 11: return <DialogSelect onMove={(option) => props.onMove(option.value)} title="Fork from message" options={options()} />

[?] packages/opencode/src/cli/cmd/tui/routes/session/dialog-message.tsx
3, 10: import { DialogSelect } from "@tui/ui/dialog-select"
20, 6: <DialogSelect

[?] packages/opencode/src/cli/cmd/tui/routes/session/dialog-subagent.tsx
1, 10: import { DialogSelect } from "@tui/ui/dialog-select"
8, 6: <DialogSelect

[?] packages/opencode/src/cli/cmd/tui/routes/session/dialog-timeline.tsx
3, 10: import { DialogSelect, type DialogSelectOption } from "@tui/ui/dialog-select"
46, 11: return <DialogSelect onMove={(option) => props.onMove(option.value)} title="Timeline" options={options()} />

[github-actions]

Hey! Your PR title [TUI] UX-fix: dont submit prompt when switching session anymore doesn't follow conventional commit format.

Please update it to start with one of:

• feat: or feat(scope): new feature
• fix: or fix(scope): bug fix
• docs: or docs(scope): documentation changes
• chore: or chore(scope): maintenance tasks
• refactor: or refactor(scope): code refactoring
• test: or test(scope): adding or updating tests

Where scope is the package name (e.g., app, desktop, opencode).

See CONTRIBUTING.md for details.

[github-actions]

The following comment was made by an LLM, it may be inaccurate:

No duplicate PRs found

[github-actions]

Thanks for your contribution!

This PR doesn't have a linked issue. All PRs must reference an existing issue.

Please:

1. Open an issue describing the bug/feature (if one doesn't exist)
2. Add Fixes #<number> or Closes #<number> to this PR description

See CONTRIBUTING.md for details.