fix: hoodie/sweater are outerwear, add long sleeve shirt subcategory

[jvsena42]

Summary

Fixes two Subcategory issues.

#51 — subcategoriesFor() filed HOODIE under Category.TOP, while CapsuleWardrobe.kt maps the same subcategory to Category.OUTERWEAR. Tapping the "Navy zip-up hoodie" gap suggestion pre-filled the add-item sheet with Outerwear + Hoodie, but the Outerwear dropdown never offered Hoodie — so the pre-filled value could not be re-selected, and on Android changing the category cleared it outright. SWEATER moves along with it so both layering pieces sit in the same category.

#41 — adds LONG_SLEEVE_SHIRT under Category.TOP.

Reordering the enum constants is safe: subcategories are persisted as enum name strings in a TEXT column, and nothing in the codebase reads Subcategory.entries or ordinals.

Changes

• Subcategory.kt — SWEATER/HOODIE moved to the // OUTERWEAR block and to subcategoriesFor(Category.OUTERWEAR); new LONG_SLEEVE_SHIRT constant under TOP, after DRESS_SHIRT
• New migrations/2.sqm re-maps already-saved rows: UPDATE clothingItem SET category = 'OUTERWEAR' WHERE subcategory IN ('HOODIE', 'SWEATER');, with SQLDelight version bumped 2 → 3 (same pattern as the DRESS→TOP fixup in 1.sqm)
• AiPrompts.SUBCATEGORY_VALUES updated — it is a hardcoded duplicate of the enum, so without this the model would never suggest the new subcategory
• Android Subcategory.displayName() gains a LONG_SLEEVE_SHIRT branch; branches reordered to match the enum
• All four localization files updated and reordered: values/strings.xml, values-pt-rBR/strings.xml, en.lproj/Localizable.strings, pt-BR.lproj/Localizable.strings ("Long sleeve shirt" / "Camisa manga longa")
• New SubcategoryTest guards the invariant that broke here: every subcategory belongs to exactly one category, and every capsuleWardrobeSuggestions entry's subcategory is valid for its mappedCategory

No Swift changes were needed — iOS calls the same SubcategoryKt.subcategoriesFor(category:) and derives its localization key from subcategory.name.lowercased(), so both changes flow through automatically.

Test plan

• ./gradlew :shared:allTests — passes, including the new SubcategoryTest
• ./gradlew :composeApp:assembleDebug — passes (proves the exhaustive displayName() when compiles)
• Migration check: on the previous build, save an item as Top + Hoodie, then install this build over it and confirm it reads Outerwear + Hoodie with no crash on open
• Gaps screen → tap "Navy zip-up hoodie" → the add sheet pre-fills Outerwear + Hoodie, and the subcategory dropdown now offers Hoodie as a selectable option (the Hoodie should be an outerwear subcategory, not a top #51 symptom)
• Add-item sheet → category Top → dropdown lists "Long sleeve shirt"; select, save, reopen the item detail and confirm the label renders rather than a raw key
• Switch to pt-BR and confirm "Camisa manga longa", and that Moletom/Suéter now appear under Casacos

Checklist

• ./gradlew detekt passes
• Tested on Android
• Tested on iOS
• Updated documentation (if applicable)

Closes #51
Closes #41

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