improvement(kb-selector): add search to knowledge base selector subblock

[waleedlatif1]

Summary

• Added search to the knowledge base selector subblock (searchable + placeholder on the Combobox)
• Helps when workspaces have many knowledge bases

Type of Change

• Improvement

Testing

Tested manually

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
docs	Skipped		Apr 30, 2026 2:50am

[cursor]

PR Summary

Low Risk
Low risk UI-only change that enables client-side searching in the Combobox; no data fetching or persistence logic is modified.

Overview
Adds search support to the knowledge base selector sub-block by enabling the Combobox’s searchable mode and providing a searchPlaceholder ("Search knowledge bases...").

^{Reviewed by Cursor Bugbot for commit 8106798. Configure here.}

[greptile-apps]

Greptile Summary

This PR adds search functionality to the knowledge base selector subblock by passing searchable and searchPlaceholder='Search knowledge bases...' to the existing Combobox component. Both props are already fully supported by the Combobox implementation, making this a clean two-line improvement with no new logic required.

Confidence Score: 5/5

Safe to merge — two-line additive change using pre-existing, well-tested Combobox props.

The change is minimal and purely additive. Both searchable and searchPlaceholder are already declared in ComboboxProps and fully handled in the Combobox implementation (filtering, keyboard nav, search state reset on close/selection). No new logic, types, or styling are introduced.

No files require special attention.

Important Files Changed

Filename	Overview
apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/editor/components/sub-block/components/knowledge-base-selector/knowledge-base-selector.tsx	Adds searchable and searchPlaceholder props to the Combobox; both are fully supported by the underlying component with no side effects.

Sequence Diagram

sequenceDiagram
participant User
participant KnowledgeBaseSelector
participant Combobox
participant SearchInput
User->>KnowledgeBaseSelector: Opens dropdown
KnowledgeBaseSelector->>Combobox: searchable=true, searchPlaceholder="Search knowledge bases..."
Combobox->>SearchInput: Renders search input (auto-focused)
User->>SearchInput: Types query
SearchInput->>Combobox: setSearchQuery(query)
Combobox->>Combobox: filteredOptions = options.filter(label/value includes query)
Combobox-->>User: Shows filtered knowledge base options
User->>Combobox: Selects option
Combobox->>KnowledgeBaseSelector: onChange / onMultiSelectChange
Combobox->>Combobox: setSearchQuery('') — resets search

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_{Reviews (1): Last reviewed commit: "improvement(kb-selector): add search to ..." | Re-trigger Greptile}