feat(ideation,meta): A-6 framework lint + C-5 spec-anchor audit (#59 … #159

Job	Run time
Test hooks (unit)	14s
Shell script lint	18s
Template build smoke (B1+B2 regression guard)	18s
Verify plugin structure (ubuntu-latest)	18s
Verify plugin structure (macos-14)	20s
Agent inventory (144 target)	6s
	1m 34s

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