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Ask Tool using Dialog TUI
This introduces a ask tool and a iterative way to answer that using Dialog TUI, we currently support 4 question types:
- Select
- MultiSelect
- Confirm
- Text
I tried to use the components we already have to make it simpler.
We probably want to make this dialog bigger, improve some UX but i kept it as simple so we can hear input from community.
Looks super cool. There should be a way to have the ask tool disabled (if we want to run opencode in a non-interactive way).
Agree with @DamianB-BitFlipper but i think that should be the same thing as with all the other tool in the config via : "deny" ?
Looks super cool would love to see it land in OC
I like this one too. I merged it into my fork today, plus the suggested modifications to make it configurable via config. I opted to enable it by default for the built-in plan mode and disable it by default for everything else to align with what people might expect coming from claude code.
What Changed (to address PR concerns)
- Default tool gating now matches “Claude Code”-style expectations: ask is enabled by default only for the built-in plan agent, and disabled by default for other agents (build, subagents, and even hidden title/summary). See packages/opencode/src/agent/agent.ts:51.
- Plan-mode reminder now nudges the plan agent to prefer the interactive ask tool when it’s available (instead of plain-text questions). See packages/opencode/src/session/prompt/plan.txt:17. How To Disable/Enable ask
- Users can fully disable it (including for plan) via config: tools: { "ask": false } (this overrides the plan default). Verified by test at packages/opencode/test/config/config.test.ts:526.
- Users can opt-in enabling it for other agents via config: tools: { "ask": true }. Verified by test at packages/opencode/test/config/config.test.ts:548.
One more issue:
The current ask UI was rendering all questions + all options inline in a plain <box>, so on small terminals (or with many questions/options / long question text) it can push content past the bottom with no way to reach it.
Fixes implemented
- Made the multi-question ask dialog body scrollable via scrollbox, with a max height derived from terminal size so it never grows off-screen. See packages/opencode/src/cli/cmd/tui/component/dialog-question/dialog-question.tsx:51.
- Collapsed non-active questions into a single-line summary (question + current answer preview) and only expanded the currently selected question. This drastically reduces vertical space when multiple questions are asked together. See packages/opencode/src/cli/cmd/tui/component/dialog-question/dialog-question.tsx:200.
- Added auto-scroll-to-active-question when you tab between questions, so the active one stays visible even in long lists. See packages/opencode/src/cli/cmd/tui/component/dialog-question/dialog-question.tsx:98.
- Made select question options scrollable + auto-scroll-to-selected-option, so large option lists work on small screens. See packages/opencode/src/cli/cmd/tui/component/dialog-question/dialog-question-select.tsx:24 and packages/opencode/src/cli/cmd/tui/component/dialog-question/dialog-question-select.tsx:103.
- Fixed multi-select UX (it previously had focusedIndex hardcoded to 0, so you couldn’t actually navigate options) and added scrolling + focus highlight. See packages/opencode/src/cli/cmd/tui/component/dialog-question/dialog-question-multi-select.tsx:18 and packages/opencode/src/cli/cmd/tui/component/dialog-question/dialog-question-multi-select.tsx:137. ###Keyboard behavior after this change
- tab / shift+tab: move between questions (same as before)
- ctrl+u / ctrl+d: scroll the overall question list when it’s longer than the viewport. See packages/opencode/src/cli/cmd/tui/component/dialog-question/dialog-question.tsx:168.
- Inside select: ↑/↓, pgup/pgdn, home/end navigate options, and the view follows selection.
- Inside multi-select: ↑/↓, pgup/pgdn, home/end move focus; space toggles; view follows focus.