REV1_5_PCSWMM_NATIVE_MODE.md

Rev1.5 PCSWMM Native Mode

• PCSWMM is the primary simulation backend.
• OpenSWMM verification is optional and defaults to false.
• First and model-only submissions do not require a revision package.
• Revised/final submissions still require baseline/revision evidence for closure.
• PCSWMM-native SWMR DOCX and audit ZIP generation is available without OpenSWMM.
• Full reconciled Rev31 report generation remains available when independent results are present.