refactor(advocates): re-sync boilerplate + lint guard (#61) #151

Job	Run time
Test hooks (unit)	14s
Agent inventory (144 target)	6s
Verify plugin structure (ubuntu-latest)	20s
Verify plugin structure (macos-14)	31s
Template build smoke (B1+B2 regression guard)	20s
Shell script lint	14s
	1m 45s

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