test: add error resilience and hydration stability tests for AIInsightsSkeleton

[tamilr0727-ux]

Description

Adds error resilience and exception-handling test coverage for components/dashboard/AIInsightsSkeleton.tsx through the new test file components/dashboard/AIInsightsSkeleton.error-resilience.test.tsx.

Changes

• Added tests simulating unexpected runtime exceptions from nested child components.
• Mocked asynchronous service failures and data retrieval errors to validate graceful error handling.
• Verified the component is protected by localized error boundaries and does not crash the application.
• Tested that runtime exceptions are reported to telemetry or logging utilities.
• Confirmed recovery interfaces expose reset or reload actions for users after failures.

Test Coverage

Implemented 5 test cases covering:

1. Rendering fallback UI when a nested child component throws an unexpected exception.
2. Graceful handling of mocked service or data-loading failures.
3. Error boundary behavior preventing application-wide crashes during hydration and rendering.
4. Exception logging to development telemetry or error tracking mechanisms.
5. Availability of user recovery actions such as reset or reload from the fallback UI.

Validation

• All tests pass successfully with vitest run.
• Runtime failures are fully mocked in isolated test scenarios.
• No production code changes required.

Fixes #7034

Pillar

• 🎨 Pillar 1 — New Theme Design
• 📐 Pillar 2 — Geometric SVG Improvement
• 🕐 Pillar 3 — Timezone Logic Optimization
• 🛠️ Other (Bug fix, refactoring, docs)

Visual Preview

Can Check in the File Changed Section.

Checklist before requesting a review:

• I have read the CONTRIBUTING.md file.
• I have tested these changes locally (localhost:3000/api/streak?user=YOUR_USERNAME).
• I have run npm run format and npm run lint locally and resolved all errors (CI will fail otherwise).
• My commits follow the Conventional Commits format (e.g., feat(themes): ..., fix(calculate): ...).
• I have updated README.md if I added a new theme or URL parameter.
• I have started the repo.
• I have made sure that i have only one commit to merge in this PR.
• The SVG output matches the CommitPulse "premium quality" aesthetic standard (no raw elements, smooth animations, correct fonts).
• (Recommended) I joined the CommitPulse Discord community for contributor discussions, mentorship, and faster PR support.

[github-actions]

📦 Next.js Bundle Size Report (Gzipped Sizes)

✨ No significant bundle size changes detected.

📊 Summary of Totals

Category	PR Size	Base Size	Difference
Total JS	3883.44 KB	3883.44 KB	0 B
Total CSS	323.09 KB	323.09 KB	0 B

[Aamod007]

Hey! Thanks for adding error resilience coverage to AIInsightsSkeleton. Making sure our layout boundaries catch runtime crashes in child skeletons prevents cascading failures.

I'm assigning level:beginner, type:testing, and quality:clean.

Nice, approving!

[github-actions]

🎉 Congratulations @tamilr0727-ux! Your PR has been successfully merged. 🚀

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