SW-091 — Add deploy mocked contract-ID output handling

[dDevAhmed]

Summary

Test successful mocked Stellar deployment output and contract-ID presentation.

Acceptance Criteria

• mock contract ID is surfaced predictably;
• extra output cannot alter exit semantics;
• no live network required;
• repository checks pass.

Dependencies

• SW-088

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🏷 Labels

• Stellar Wave
• type: test
• area: deployment
• priority: P1
• difficulty: medium
• points: 150
• workstream: deployment
• stellar