fix(mapper): support Fastify method arrays

[rohitjavvadi]

Summary

• map Fastify route objects that use a static method array
• emit one feature per static method while ignoring dynamic/non-string entries
• add mapper regression coverage for mixed and dynamic method arrays

Tests

• git diff --check
• corepack pnpm test src/mapper.test.ts
• corepack pnpm typecheck
• corepack pnpm lint
• corepack pnpm -s test
• corepack pnpm -s build

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[chatgpt-codex-connector]

Preserve static methods when array includes template entry

In endOfArray, encountering ${...} inside any template literal immediately returns null, which makes readStringArrayLiteral reject the entire method array. For a valid Fastify route like method: ['GET', POST-${suffix}], this drops the static GET mapping instead of ignoring only the dynamic element, so route coverage is silently incomplete for mixed static/dynamic arrays.

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[rohitjavvadi]

Fixed in 01d27fd. The balanced scanner now carries template literals through route objects/arrays so static method entries are preserved, while dynamic template elements are still filtered at the string-literal reader. Added regression coverage for static entries before and after dynamic template elements.

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