Fix: [for cherry-picking] Correlated the identity response variants, pr

[qodo-code-review]

Fixed Findings

• Correlate identity variants
• Close identity schemas
• Enforce E.164 numbers

Automated fix from agentic review of #57

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[greptile-apps]

PR author is in the excluded authors list.

[cursor]

Risk: high. Left a non-blocking comment and did not approve: Cursor Security Agent skipped, and this identity-resolve contract change is above the medium approval threshold. Assigned yakimoto for human review.

  

_{Sent by Cursor Approval Agent: Pull Request Router and Approver}

[macroscopeapp]

Approvability

Verdict: Not approved

Macroscope's review found this PR not approvable — This PR modifies the OpenAPI specification with schema changes including new error types, validation patterns, and constraints. The author does not own openapi.yaml (owned by wave-av/core-team), and API schema changes warrant review by designated owners.

Not approved because:

• Credit balance exhausted. Approvability relies on correctness review in order to determine eligibility

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