[T616] Add deterministic roleful intent regression pack

[ai21z]

Summary

• add an integrated regression pack for the roleful intent recovery lane
• lock scoped-negation, consecutive forbidden target, verify-only constraint, read-only existence, workspace reconciliation, and blocked-after-mutation outcome behavior
• no production code changes

Verification

• ./gradlew.bat test --tests "dev.talos.runtime.toolcall.RolefulIntentRecoveryRegressionTest" --tests "dev.talos.cli.modes.RolefulIntentOutcomeRegressionTest" --no-daemon
• ./gradlew.bat test --tests "dev.talos.runtime.task.TaskIntentResolverTest" --tests "dev.talos.runtime.task.TaskContractResolverTest" --tests "dev.talos.runtime.task.WorkspaceTargetReconcilerTest" --tests "dev.talos.runtime.toolcall.ToolSurfacePlannerTest" --tests "dev.talos.runtime.toolcall.ExpectedTargetProgressAccountingTest" --tests "dev.talos.runtime.policy.EvidenceObligationPolicyTest" --tests "dev.talos.runtime.policy.EvidenceObligationVerifierTest" --tests "dev.talos.cli.modes.ExecutionOutcomeTest" --no-daemon
• git diff --check
• ./gradlew.bat validateArchitectureBoundaries --no-daemon
• ./gradlew.bat check --no-daemon