🌱 Add unit tests for useCardRecommendations and useBenchmarkData hooks

[shubhamkumar9199]

Fixes #3874

📝 Summary of Changes

• Adds 21 unit tests for useCardRecommendations hook covering thresholds, priority escalation, AI-mode filtering, MAX_RECOMMENDATIONS cap, periodic re-analysis, and graceful handling of undefined data
• Adds 14 unit tests for useBenchmarkData (useCachedBenchmarkReports) hook covering SSE streaming, cache fallback, demo data handling, auth headers, stream error handling, loading states, and the
  non-streaming fallback endpoint

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Changes Made

• Added web/src/hooks/__tests__/useCardRecommendations.test.ts (21 tests)
• Added web/src/hooks/__tests__/useBenchmarkData.test.ts (14 tests)

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Checklist

• I used a coding agent (Claude Code, Copilot, Gemini, or Codex) to generate/review this code
• I have reviewed the project's contribution guidelines
• New cards target console-marketplace, not this repo
• isDemoData is wired correctly (cards show Demo badge when using demo data)
• I have written unit tests for the changes (if applicable)
• I have tested the changes locally and ensured they work as expected
• All commits are signed with DCO (git commit -s)

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Screenshots or Logs (if applicable)

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👀 Reviewer Notes

All 35 tests pass in ~3s. The act(...) warnings in useBenchmarkData tests are expected,they come from the SSE singleton's async state updates outside React's control and do not affect test correctness.

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[github-actions]

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[github-actions]

👋 Hey @shubhamkumar9199 — thanks for opening this PR!

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[shubhamkumar9199]

Hi @Abhishek-Punhani, this PR adds 35 unit tests (21 for useCardRecommendations, 14 for useBenchmarkData) covering all the cases listed in #3874. All tests pass locally. Could you please review?