[guido4096]

On a long-running Logs page, duplicate keys remained in seenEntries after their log entries were evicted. Once the retention limit was reached, incoming batches could also trigger rebuilding the complete displayed log.

Keep duplicate keys aligned with retained entries and remove evicted DOM rows incrementally. Preserve filtering, clearing and restart markers. Add a regression that runs the actual page script through repeated retention-limit crossings.

Validation

• 170 host tests passed on this standalone branch (macOS, POSIX enabled, original pinned eBUS revision f730dce).
• Whitespace checks passed. CI and a fresh firmware build for this isolated branch are pending.
• For the standalone macOS test run, the two mock-file fixes from part 1/5 were applied as temporary, uncommitted test-only overrides. Those files are not included in this PR.

The regression covers bounded retained keys/entries, incremental row eviction, filtering, clearing and restart markers.

Browser check before marking ready

Leave the Logs page open through repeated crossings of the 2,000-entry limit; verify that new logs, filtering and clearing continue to work and browser memory settles. The host regression is not a browser soak-test result.

Related runtime fixes

Part 2/5 of the single-commit replacements for #430, split at the maintainer's request. Every PR targets master directly and contains only its corresponding change.

Part	Scope	PR / branch
1/5	Correct host-test mocks	#431
2/5	Bound Logs page retention	#432
3/5	Schedule diagnostics by elapsed time	#433
4/5	Protect string-pool IDs and concurrent access	#434
5/5	Buffer HTTP streams and stop after send failures	#435

Suggested merge order: the host-test mock fix first, then the other four changes independently. The five patches together reconstruct the exact tracked file tree of #430.

Source commit in #430: f552144.