diff --git a/App/Sources/Extensions/ModelContext+Conformances.swift b/App/Sources/Extensions/ModelContext+Conformances.swift
new file mode 100644
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--- /dev/null
+++ b/App/Sources/Extensions/ModelContext+Conformances.swift
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+import SwiftData
+
+/// Extends ModelContext to conform to the Repository protocol.
+///
+/// This extension allows ModelContext from SwiftData to be used as a repository,
+/// enabling dependency injection and facilitating unit testing by allowing mock
+/// repositories to be substituted during tests.
+extension ModelContext: Repository {}