chore(guards): migrate remaining expo files to @packrat/guards

[andrew-bierman]

Summary

Finishes the @packrat/guards migration started in #2039 by touching the expo files that were intentionally left out of scope:

• apps/expo/lib/utils/itemCalculations.ts — isWeightUnit now uses makeEnumGuard from @packrat/guards, and is exported so other call sites can reuse it
• apps/expo/features/packs/components/PackCard.tsx — isArray now comes from @packrat/guards
• apps/expo/features/pack-templates/components/PackTemplateCard.tsx — same
• apps/expo/features/pack-templates/hooks/useGenerateTemplateFromOnlineContent.ts — drops its duplicate inline isWeightUnit and imports the canonical one from itemCalculations

No behavior change. Pure canonicalization.

Test plan

• bun run check-types clean (no new errors in touched files)
• bun lint clean (no new diagnostics in touched files)
• CI passes

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[github-actions]

Coverage Report for API Unit Tests Coverage (./packages/api)

Status	Category	Percentage	Covered / Total
🔵	Lines	96.57%	902 / 934
🔵	Statements	96.57% (🎯 80%)	902 / 934
🔵	Functions	100%	48 / 48
🔵	Branches	90.03%	280 / 311

File Coverage

No changed files found.

Generated in workflow #65 for commit 74f6220 by the Vitest Coverage Report Action

[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Completes the Expo-side migration to @packrat/guards by replacing remaining local/third-party guard helpers with canonical guards, and centralizing isWeightUnit for reuse.

Changes:

• Exported a canonical isWeightUnit from apps/expo/lib/utils/itemCalculations.ts using makeEnumGuard.
• Replaced radash’s isArray usage with @packrat/guards in affected components.
• Removed a duplicate inline isWeightUnit in the template generation hook and imported the canonical one instead.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
apps/expo/lib/utils/itemCalculations.ts	Introduces exported isWeightUnit via makeEnumGuard and removes the inline implementation.
apps/expo/features/packs/components/PackCard.tsx	Switches isArray import from radash to @packrat/guards.
apps/expo/features/pack-templates/components/PackTemplateCard.tsx	Switches isArray import from radash to @packrat/guards.
apps/expo/features/pack-templates/hooks/useGenerateTemplateFromOnlineContent.ts	Removes duplicated isWeightUnit logic and imports the canonical guard from itemCalculations.

[github-actions]

Coverage Report for Expo Unit Tests Coverage (./apps/expo)

Status	Category	Percentage	Covered / Total
🔵	Lines	75.92%	495 / 652
🔵	Statements	75.92% (🎯 75%)	495 / 652
🔵	Functions	92.59%	50 / 54
🔵	Branches	91.78%	190 / 207

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
apps/expo/lib/utils/itemCalculations.ts	100%	100%	100%	100%

Generated in workflow #65 for commit 74f6220 by the Vitest Coverage Report Action