fix(webapp): timestamp live metric responses #11054

Job	Run time
Detect changes	7s
code-quality / code-quality	2m 19s
e2e-webapp / 🧪 E2E Tests: Webapp	6m 50s
typecheck / typecheck	1m 34s
fk-cascade-guard / fk-cascade-guard	1m 53s
runops-guard / runops-guard	2m 9s
obsmap / 🧪 Unit Tests: Observability Map	1m 40s
webapp / 🧪 Unit Tests: Webapp (5, 12)	7m 0s
webapp / 🧪 Unit Tests: Webapp (10, 12)	7m 16s
webapp / 🧪 Unit Tests: Webapp (4, 12)	6m 53s
webapp / 🧪 Unit Tests: Webapp (11, 12)	7m 16s
webapp / 🧪 Unit Tests: Webapp (1, 12)	7m 16s
webapp / 🧪 Unit Tests: Webapp (8, 12)	6m 54s
webapp / 🧪 Unit Tests: Webapp (3, 12)	6m 55s
webapp / 🧪 Unit Tests: Webapp (7, 12)	7m 0s
webapp / 🧪 Unit Tests: Webapp (12, 12)	6m 32s
webapp / 🧪 Unit Tests: Webapp (9, 12)	6m 40s
webapp / 🧪 Unit Tests: Webapp (2, 12)	6m 41s
webapp / 🧪 Unit Tests: Webapp (6, 12)	6m 31s
packages	0s
sdk-compat	0s
e2e	0s
internal	0s
All PR Checks	5s
webapp / 📊 Merge Reports	1s
	1h 39m 32s

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