test: add Vitest suite covering AI fallback, rate limiter, audit scoring, admin auth - #1

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riteshbonthalakoti wants to merge 8 commits into

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claude/test-coverage-analysis-wraan9

Commits on Jul 1, 2026

test: add vitest test infrastructure and npm scripts
claude
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7cf8056
fix: build provider API clients only after key-presence filter
claude
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5d8ec8d
test: cover AI provider fallback chain and getProviders key filtering
claude
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1ced495
test: cover free-tier rate limiter window and reset behavior
claude
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b503570
test: cover audit score clamping and malformed-JSON fallback
claude
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07193b9
refactor: export scoreColor/scoreVerdict for direct testing
claude
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44494bd
test: cover email score-color and verdict thresholds
claude
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33d9ac7
test: cover admin upgrade-self authorization gate
claude
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5f00c9b