feat(exploit): add auto profit tracking and interfaces import

[wiimdy]

• Add interfaces.sol import to PoC template generation
• Auto-track fundingToken balance and record profit in exploit modifier
• Add @dev natspec for exploit modifier

[github-actions]

❌ Compliance Check: Failed

�[1mCompliance Check�[0m
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�[0;31m[VIOLATION]�[0m Modification of workflows: .github/workflows/on_security_incident.yml
�[0;31m[VIOLATION]�[0m Modification of shared core logic: src/shared/BaseTest.sol

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�[0;31mFAILED�[0m - 2 violation(s)

Auditors may only modify files in 'test/<Incident>/'.

_{Commit: c2d0c88}