Add scan throughput benchmarks

[liquidsec]

Summary

• Add scan throughput benchmarks (100 and 1000 URL tests) measuring end-to-end HTTP probing performance through the full scan pipeline
• Make HTTP module references portable across branches (httpx on 3.0, http on blasthttp) so benchmark comparisons work correctly

[github-actions]

📊 Performance Benchmark Report

Comparing 3.0 (baseline) vs scan-benchmarks-3.0 (current)

📈 Detailed Results (All Benchmarks)

📋 Complete results for all benchmarks - includes both significant and insignificant changes

🧪 Test Name	📏 Base	📏 Current	📈 Change	🎯 Status
Bloom Filter Dns Mutation Tracking Performance	4.24ms	4.26ms	+0.3% ⚪	✅
Bloom Filter Large Scale Dns Brute Force	17.12ms	18.18ms	+6.2% ⚪	✅
Large Closest Match Lookup	352.37ms	359.87ms	+2.1% ⚪	✅
Realistic Closest Match Workload	189.41ms	187.14ms	-1.2% ⚪	✅
Event Memory Medium Scan	1776 B/event	1774 B/event	-0.1% ⚪	✅
Event Memory Large Scan	1760 B/event	1760 B/event	+0.0% ⚪	✅
Event Validation Full Scan Startup Small Batch	410.74ms	406.42ms	-1.1% ⚪	✅
Event Validation Full Scan Startup Large Batch	589.39ms	571.69ms	-3.0% ⚪	✅
Make Event Autodetection Small	30.73ms	30.88ms	+0.5% ⚪	✅
Make Event Autodetection Large	316.26ms	313.96ms	-0.7% ⚪	✅
Make Event Explicit Types	13.69ms	13.91ms	+1.6% ⚪	✅
Excavate Single Thread Small	3.917s	4.074s	+4.0% ⚪	✅
Excavate Single Thread Large	9.571s	9.914s	+3.6% ⚪	✅
Excavate Parallel Tasks Small	4.257s	4.165s	-2.2% ⚪	✅
Excavate Parallel Tasks Large	7.312s	7.443s	+1.8% ⚪	✅
Is Ip Performance	3.16ms	3.16ms	+0.2% ⚪	✅
Make Ip Type Performance	11.58ms	11.72ms	+1.2% ⚪	✅
Mixed Ip Operations	4.53ms	4.54ms	+0.2% ⚪	✅
Scan Throughput 100	-	8.430s	New 🆕	🆕
Scan Throughput 1000	-	44.357s	New 🆕	🆕
Typical Queue Shuffle	61.74µs	63.78µs	+3.3% ⚪	✅
Priority Queue Shuffle	699.13µs	733.10µs	+4.9% ⚪	✅

🎯 Performance Summary

✅ No significant performance changes detected (all changes <10%)

🔍 Significant Changes (>10%)

• Scan Throughput 100: New test 🆕 (8.430s, 0.1 ops/sec)
• Scan Throughput 1000: New test 🆕 (44.357s, 0.0 ops/sec)

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🐍 Python Version 3.11.15

[codecov]

Codecov Report

❌ Patch coverage is 37.50000% with 30 lines in your changes missing coverage. Please review.
✅ Project coverage is 91%. Comparing base (8b02acb) to head (bdd9e93).
⚠️ Report is 11 commits behind head on 3.0.

Files with missing lines	Patch %	Lines
...test/benchmarks/test_scan_throughput_benchmarks.py	37%	28 Missing ⚠️
bbot/test/benchmarks/test_excavate_benchmarks.py	50%	2 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff          @@
##             3.0   #3007   +/-   ##
=====================================
- Coverage     91%     91%   -0%     
=====================================
  Files        436     437    +1     
  Lines      37072   37118   +46     
=====================================
+ Hits       33677   33684    +7     
- Misses      3395    3434   +39     

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