feat(groom): reusable groom.yml — two-phase finder→verifier, GitHub-issue sink (BE-3872) #19

Job	Run time
cursor-review / Gate	5s
cursor-review / Diff size check	4s
cursor-review / Preflight — validate model catalog	7s
cursor-review / Notify start	5s
cursor-review / adversarial (gpt-5.6-sol-max)	15m 23s
cursor-review / edge-case (gemini-3.1-pro)	4m 48s
cursor-review / adversarial (claude-opus-4-8-thinking-max)	8m 48s
cursor-review / edge-case (gpt-5.6-sol-max)	13m 48s
cursor-review / adversarial (gemini-3.1-pro)	4m 23s
cursor-review / edge-case (kimi-k2.7-code)	4m 49s
cursor-review / adversarial (kimi-k2.7-code)	3m 1s
cursor-review / edge-case (claude-opus-4-8-thinking-max)	5m 47s
cursor-review / Consolidate panel	10m 19s
cursor-review / Notify complete	6s
	1h 11m 33s

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