article_reveals join table (article_id, campaign_id). DM right-clicks the DM Notes panel to reveal/unreveal per campaign via dm-notes-reveal Stimulus controller with floating context menu. Players see full dm_notes when any of their campaigns has a reveal; otherwise redacted bars (ADR-0073). 2 MCP tools (create/destroy_article_reveal). ADR-0075. 637 tests green.
BL-087
Shipped