Normalize whitespace in message search

[vladzima]

Normalizes repeated whitespace before matching message search queries, so a query like hello world can still match hello world.

Validation:

• vp test apps/client/src/search-utils.test.ts
• vp test

Note: vp check has existing unrelated formatting failures in the repo; this PR does not touch those files.

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
kodeck-landing	Ignored		May 15, 2026 5:05pm

[vladzima]

/pullguard

[github-actions]

PullGuard

Risk: 38/100 - low

Solid behavior change for whitespace-insensitive matching, but the implementation adds an unnecessary normalization pipeline and only exercises the new query path, leaving text-side normalization and broader search behavior lightly covered.

Main concerns

• low / over-engineering apps/client/src/search-utils.ts: The new named normalization pipeline and step objects are heavier than needed for a two-rule whitespace normalization change, adding indirection without demonstrated reuse.
• medium / weak_test apps/client/src/search-utils.test.ts: The added test covers only one happy-path query case and does not verify existing search behavior, such as empty/whitespace-only input or matching against normalized message text.

Review first

• apps/client/src/search-utils.ts
• apps/client/src/search-utils.test.ts