test(verify): assert useProgressiveList rendering engine edge cases and fallbacks

[google-labs-jules]

Generated by: .github/nightly-prompts/02-verification.md

Reasoning:

[Coverage Gap]: Identify Frontend-PWA/src/core/services/useProgressiveList.ts as a high-priority, critical Layer 1 progressive rendering utility with partial coverage.
[Scenarios Added]: Added 8 new unit tests covering default limits (initialSize = 12), short source list handling, empty list transitions, isRefresh fallback behaviors, rapid successive updates, and non-IdleDeadline execution safety under requestAnimationFrame numeric callbacks.
[Rationale]: Chosen from the priority queue to saturate the coverage map for high-impact Layer 1 core service performance optimizations.

Changes:

• [useProgressiveList.spec.ts]: Appended 8 robust unit tests covering edge cases, logical boundaries, and fallback safety paths.
• [Logs]: Updated .github/nightly-logs/02-verification-coverage.log, 00-pipeline-intelligence.md, and 00-pr-history.md with verification status.

Verification:

• [Automated]: Confirmed pnpm test useProgressiveList passes cleanly with all 17 tests.
• [Automated/Audit]: Ran full workspace tests with pnpm test --run to ensure zero regressions across all 175 files and 1421 tests.

Log Updates:

• Updated .github/nightly-logs/02-verification-coverage.log

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PR created automatically by Jules for task 12436793213526410641 started by @AlbiDR

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