Semantic Snapshot v1

• Module: packages/contracts/src/semantic-snapshot.ts
• Golden fixture: packages/contracts/fixtures/semantic-snapshot.v1.json
• Schema version: v1

The semantic snapshot captures the planner-facing state for one benchmark checkpoint.

Required top-level fields:

• url
• route
• frameHierarchy
• taskContext
• checkpointContext
• interactiveElements
• recentMutations
• relevantNetworkEvents
• pinnedInvariants

Interactive element fields are frozen as:

• id
• role
• label
• value
• required
• disabled
• loading
• error
• visible
• interactable
• group