docs(examples): webhook wiring recipe — handler-authoring section + e… #1218

Job	Run time
Validate schemas are up-to-date	3m 36s
AdCP storyboard runner — examples/multi_platform_seller (PlatformRouter)	1m 32s
Postgres conformance tests (Postgres 16)	1m 7s
Test Python 3.13	3m 24s
v3 reference seller — pytest (respx-mocked upstream)	1m 0s
Test Python 3.10	3m 32s
AdCP storyboard runner — v3 reference seller (translator)	1m 31s
Test Python 3.11	3m 38s
Test Python 3.12	2m 51s
AdCP storyboard runner — examples/seller_agent.py	1m 19s
Downstream import smoke (representative consumer symbols)	26s
Validate conventional commit format	0s
	23m 56s

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