hostile-content-quarantine
Incident playbook for externally-authored hostile content on public surfaces — astroturfing, spam, stealth marketing, injection-bearing artifacts. Triggers: external-authored content bearing astroturf markers (engagement-bait clauses, vendor links, external endpoint/MCP offers, name-only drops), an operator "astroturf / spam / we got hit" signal, or verifying a moderation outcome. ANTI-trigger: ordinary good-faith contributor posts.
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