====== P4-REQ-21-12-012 ======

[[dido:99_annexes:annex-d-requirements:part-04:start| Return to Requirements]]

===== Statement =====

Scripts SHALL NOT redefine FX logical Nodes, FX logical Communication Endpoints, FX logical interaction patterns, Runtime Planes, or governance relationships.

===== Source =====

Part 4, Section 21.12: Script and Execution Requirements.

===== Rationale =====

Scripts are implementation-support mechanisms. They may prepare, generate, start, stop, coordinate, or clean implementation artifacts, but they do not define architectural meaning.

This constraint prevents automation and execution procedures from becoming hidden architectural definitions or altering logical responsibilities without governance.

===== Applies To =====

This requirement applies to:

  * Phase 0 scripts;
  * startup and shutdown procedures;
  * generation procedures;
  * workflow automation;
  * repository automation; and
  * execution helpers.

===== Verification =====

Verification SHALL confirm that Phase 0 scripts do not redefine logical or governance elements.

Verification activities should include review checks confirming that:

  * FX logical Node definitions remain governed by Part 3;
  * Communication Endpoint definitions remain governed by Part 3;
  * logical interaction patterns remain governed by Part 3;
  * Runtime Plane distinctions remain unchanged by script behavior; and
  * governance relationships are not altered by uncontrolled automation.

===== Traceability =====

This requirement preserves separation between Part 3 architectural definitions and the Phase 0 scripts that support implementation activity.

Related requirement identifiers:

  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-12-001]]
  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-12-011]]
  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-8-012]]
  * [[dido:99_annexes:annex-d-requirements:part-04:p4-req-21-7-008]]

Related source section:

  * [[fxdemo:04-part:21-phase-0-implementation-requirements:21-12-script-and-execution-requirements:start]]

===== Status =====

Draft

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