Refactor: How should duplicate UniversalModule interfaces be consolida...

Documentation for Sessions

♻️ Refactor: How should duplicate UniversalModule interfaces be consolida...

Date: 2026-01-16
Time: 20:38:23 UTC
Session: editor2-48.3
Agent: backend
Confidence: 95%
Status: ✅ Documented

📋 Decision Context

Question:

How should duplicate UniversalModule interfaces be consolidated?

Task: Session 48: Eliminate duplicate interfaces

🎯 Decision Made

Chosen:

Import from canonical @libs-foundational/core-models source

Options Considered:

Keep duplicates for flexibility
Import from canonical source
Create shared package for backend

💭 Reasoning

Eliminated 2 duplicate UniversalModule interface definitions: (1) backend-module-api.service.ts - replaced 60+ lines with imports from canonical source, (2) universal-modules.controller.ts - replaced 90+ lines with imports. Both files now use types from @libs-foundational/core-models which is the single source of truth. ModulePosition is aliased to StructureLayoutSlot for backward compatibility in frontend DTOs.

📁 Files Involved

libs/libs-foundational/core-angular/src/lib/services/backend-module-api.service.ts
apis/backend-api/src/app/modules/universal-modules.controller.ts

🔗 Related

Decision ID: dev_1768595902702_s4o1dr5
Session: 48
Workspace: editor2

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