Roll out schema changes safely

Orchestrate Phase a single schema change across

Phasing schema migrations with zero-downtime guarantees across releases.

• · {args: workflow args}
• · agent context (workspace, diffs, or data)

• · VALIDATE_SCHEMA schema result
• · PLAN_SCHEMA schema result

• · agent() orchestrator
• · parallel() runner
• · JSON schema validation

• · Workflow runtime initialized
• · Input args properly structured
• · 5 agent(s) available

• · Agent timeout or failure
• · Schema validation mismatch
• · Input data incomplete or malformed
• · Migration invariants violated

• · Strict schema validation with required fields
• · Explicit phase tracking and logging
• · Structured verdict schemas with consistency checks
• · 5 independent agents with schemas
• · Explicit rollback plans per phase