chore: Remove orphan modules

[tassoevan]

Proposed changes

Removes modules under packages/*/src that nothing imports, found by a reachability analysis over the whole monorepo.

For each package I built an import graph and computed reachability from its real entry points — the bundler/tsc entry, plus every story, spec, .mdx, and ambient declaration — rather than relying on inbound-import counts, so barrel re-exports and story-only fixtures are handled correctly.

fuselage (96dfea6)

• components/Card/CardDivider.tsx — never re-exported by Card/index.ts, which exports the other seven Card parts.
• components/PaletteStyleTag/helpers/isHexColor.ts
• components/PaletteStyleTag/helpers/isLightColor.ts

Both PaletteStyleTag helpers were unused from the moment they were added in a40d471; the sibling helpers in that folder (convertToCss.ts, getPalette.ts) are wired up.

layout (7a6c429)

• src/Types/index.ts
• src/Types/FormPageLayoutStyleProps.ts

These are byte-identical duplicates of packages/onboarding-ui/src/Types, untouched since fc1efc0 added the package. Every consumer of FormPageLayoutStyleProps resolves to the onboarding-ui copy through paths internal to that package. This one had no importers at all — not even layout's own components/FormPageLayout, which takes no styleProps.

Worth noting: because this package builds with tsc over the whole of src rather than bundling from index.ts, these files were being compiled and published as dist/esm/Types.

onboarding-ui (42d8946)

• Dropped a commented-out ./OnboardingLogo import from common/FormPageLayout.tsx. That module does not exist anywhere in the repo and the comment was its only mention; the component takes a logo prop instead.
• Dropped src/emails/.gitignore, which ignored its own directory (*, !.gitignore). Nothing generates into or imports from src/emails.

Why no changeset

None of the removed symbols appear in any package's .api.md report, so this changes no public API.

Verification

• Re-ran the analysis after each removal: nothing became newly orphaned, and no dead links remain in any package.
• tsc -p tsconfig.esm.json --noEmit clean for layout.
• Swept all 16 packages afterwards; every one reports zero orphans.

Two items found along the way that are not addressed here, both outside src:

• packages/icons/glyphsMapping.json has 11 keys with no corresponding SVG (directory, filter, intermediate, mute, new-chat, snippet, threads, transfer, volume-disable, volume-mute, new-channel). Deliberately left alone — the registry is append-only and reserves retired codepoints, so pruning it risks reassigning a codepoint that cached fonts still render as the old glyph.
• src/legacy/sort-up.other.svg and sort-down.other.svg use a .other filename type that nextCharactersFor handles in neither of its branches, so it returns undefined for them. Neither name has ever been in glyphsMapping.json, and neither appears in the current font. Left for a separate change.

🤖 Generated with Claude Code

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Latest commit: fc5f24e

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