[AI SDK] Task 18: Agent integration resolution #606

Parent Epic

#600

Requirements

• Given agent with grants, should return resolved integrations
• Given global assistant, should include user integrations based on visibility
• Given global assistant in drive context, should include drive integrations
• Given drive overrides disabling integrations, should exclude them
• Given inherited drive integrations, should include them

Files

• packages/lib/src/integrations/resolver/agent-integrations.ts

Acceptance Criteria

• Agent grants resolve correctly
• Global assistant visibility rules work
• Drive context includes drive integrations
• Drive overrides respected
• Inheritance works correctly
• Unit tests passing