feat(Webhook Node): Add "Only Run If" option to filter requests

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Codecov Report

✅ All modified and coverable lines are covered by tests.

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Performance Comparison

Comparing current → latest master → 14-day baseline

docker-stats

Metric	Current	Latest Master	Baseline (avg)	vs Master	vs Baseline	Status
docker-image-size-runners	388.00 MB	386.00 MB	392.13 MB (σ 11.18)	+0.5%	-1.1%	✅
docker-image-size-n8n	1269.76 MB	1269.76 MB	1273.60 MB (σ 10.49)	+0.0%	-0.3%	✅

Idle baseline with Instance AI module loaded

Metric	Current	Latest Master	Baseline (avg)	vs Master	vs Baseline	Status
instance-ai-heap-used-baseline	187.32 MB	186.50 MB	186.43 MB (σ 0.25)	+0.4%	+0.5%	🔴
instance-ai-rss-baseline	341.05 MB	392.12 MB	368.35 MB (σ 22.82)	-13.0%	-7.4%	⚠️

Memory consumption baseline with starter plan resources

Metric	Current	Latest Master	Baseline (avg)	vs Master	vs Baseline	Status
memory-heap-used-baseline	114.98 MB	114.27 MB	114.47 MB (σ 0.24)	+0.6%	+0.4%	🔴
memory-rss-baseline	224.06 MB	348.40 MB	289.80 MB (σ 40.90)	-35.7%	-22.7%	⚠️

How to read this table

• Current: This PR's value (or latest master if PR perf tests haven't run)
• Latest Master: Most recent nightly master measurement
• Baseline: Rolling 14-day average from master
• vs Master: PR impact (current vs latest master)
• vs Baseline: Drift from baseline (current vs rolling avg)
• Status: ✅ within 1σ | ⚠️ 1-2σ | 🔴 >2σ regression