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+# Verification & Test Suite Specification: Add per-entrypoint auth snapshot test for limits [b#063]
+
+## Summary
+Test coverage plan and regression harness specification addressing #1153 on **predictify-contracts**.
+
+## Invariants & Test Boundaries
+1. **Happy Path**: Verifies nominal execution flow with deterministic inputs.
+2. **Boundary & Edge Cases**: Validates bounds checking, input sanitization, and state invariants.
+3. **Negative Paths**: Confirms unauthorized callers and adverse states revert cleanly without partial mutation.
+
+## Test Execution
+- Regression suites are structured to execute hermetically without external network dependencies.
+- Fixtures and mocks ensure deterministic execution across all CI runner environments.