fix(web): keep selected search filters visible

[dipeshbabu]

Fixes #131

Typing into the language or repository filter hid selected entries that did not match the filter text. Keep those selections visible at the top so users can see and clear every active filter, while filtering the remaining entries normally.

Selected entries appear only once when they also match the search. Sorting now copies the list instead of mutating the caller's entries.

Validation completed before opening this PR:

• Full application tests, lint, and all four automation test scripts passed.
• Prisma migration gate and full Docker build passed.
• Regression tests pass with the fix and fail with the original implementation.

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Note

Low Risk
Localized UI change to search filter panel list rendering with regression tests; no auth, API, or data-path impact.

Overview
Fixes a search sidebar bug where typing in the language or repository filter box could hide active selections that did not match the search text, making them hard to see or clear.

Filter list behavior now always pins selected entries ahead of Fuse matches on the non-selected remainder, keeps selections visible when nothing else matches, and avoids duplicate rows when a selected item also matches. Display sorting copies the filtered array before sort so the parent entries array is not mutated in place.

Adds Vitest coverage for these cases and a changelog entry under Unreleased.

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Summary by cubic

Fixes #131 by keeping selected language and repository filters visible at the top while typing, so active filters can always be seen and cleared.

• Selected entries stay pinned above search matches and appear only once when they also match or when no other entries match.
• Sorting copies the entries list instead of mutating the caller's array.
• Adds Vitest coverage for pinned selections and a changelog entry.

^{Written for commit 82ac4e2. Summary will update on new commits.}

Summary by CodeRabbit

• Bug Fixes
  • Selected language and repository filters remain visible while searching available options, even when they don’t match the search text.
  • Selected filters appear before matching unselected options, and selected options that match the search are shown only once.
  • Searching with no matching options still preserves selected filters while hiding unselected options.

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ℹ️ Recent review info

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Configuration used: Organization UI

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Run ID: b82f6747-7987-46be-a9ef-212447c00dc4

📥 Commits

Reviewing files that changed from the base of the PR and between 82ac4e2 and 0bb329b.

📒 Files selected for processing (1)

• CHANGELOG.md

🚧 Files skipped from review as they are similar to previous changes (1)

• CHANGELOG.md

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Walkthrough

The search filter now keeps selected entries visible and places them before fuzzy matches. It sorts a copy of the filtered list. Tests cover filtering, entry ordering, click callbacks, duplicate prevention, and preservation of the input array.

Changes

Selected search entries

Layer / File(s)	Summary
Selected entries in filtered results packages/web/src/app/(app)/search/components/filterPanel/filter.tsx, packages/web/src/app/(app)/search/components/filterPanel/filter.test.tsx, CHANGELOG.md	Selected entries remain visible and appear before fuzzy matches for unselected entries. The component sorts a copy of the filtered list. Tests cover visibility, ordering, click callbacks, duplicate prevention, and input-array preservation. The changelog records the fix.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Bug fix · Severity of issue fixed: Low

Merge Risk: ⚪ Minimal · up to 0bb32

The change keeps selected filters visible while preserving normal filtering and click behavior. No actionable merge-blocking risk remains; merge after normal checks pass.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: keeping selected search filters visible in the web application.
Linked Issues check	✅ Passed	Issue #131 requires selected languages to remain visible at the top during filtering. The Filter component now retains selected entries, places them first, filters only unselected entries, and preve…
Out of Scope Changes check	✅ Passed	The changes remain connected to issue #131. The component change implements selected-entry visibility, the tests verify the behavior and sorting safety, and the changelog documents the fix. The reposi…
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 2…

✨ Finishing Touches

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• Create a new PR

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[cubic-dev-ai]

No issues found across 3 files

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