Enforce Oracle Role for `oracle_resolve`

[Yunusabdul38]

Enforce Oracle Role for oracle_resolve

• Label: security, contract
• Description: Ensure only authorized oracles can cast automated votes.
• Implementation Hints:
  • require_role(caller, Role::Oracle).
• Acceptance Criteria:
  • Unauthorized calls return Unauthorized (code 10).

[whiteghost0001]

@whiteghost0001 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

i would like to work on this issue

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[drips-wave]

Congratulations, @whiteghost0001! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

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