docs: explain Notion page access is per-integration, not per-token

[decimal-pr-bot]

Summary of Changes

• Updated docs/content/toolkits/faq/notion.md "How does Notion's access model work?" section to explain that page/database access is tracked per integration (client_id), not per token or auth config
• Added explanation that multiple auth configs sharing the same Notion integration will have cumulative shared page access
• Added guidance to create separate Notion integrations for isolated page access

Reasoning

• Users confused when multiple auth configs sharing the same Notion integration see shared page access across connections
• Users need to understand that Notion's access model is per-integration (per client_id), which differs from typical OAuth scope-based providers
• Users need clear guidance on how to achieve page-level isolation between connections (separate Notion integrations)

[vercel]

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview, Comment	May 8, 2026 7:25pm