feat: implement max log limit with FIFO eviction

[chinecherem58]

Fix: Implement Max Log Limit (FIFO) to Prevent Memory Leak

Problem

The live log feed in src/app/logs/page.tsx accumulated entries indefinitely in browser memory
during long sessions, eventually crashing the tab.

Solution

• Added a MAX_LOG_LIMIT = 200 constant
• Applied FIFO (.slice(-MAX_LOG_LIMIT)) at all three points where filteredResults state is set:
  • Initial state from MOCK_LOGS
  • Search worker results callback
  • XDR batch decode merge

This ensures the log list never exceeds 200 entries, always dropping the oldest entries first
when the limit is reached.

Testing

• Verified the log table renders correctly with the cap applied
• No change to search, filtering, XDR decoding, or virtualization behaviour
  closes 🧹 Perf | Garbage Collection for Live Logs Feed #96

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