From d80e48e3148376bc1862c55e8f623b99f39e47f8 Mon Sep 17 00:00:00 2001
From: hyperpolymath <6759885+hyperpolymath@users.noreply.github.com>
Date: Sun, 18 Oct 2026 15:10:40 +0000
Subject: [PATCH 1/2] test(config): cover unreadable cascade refusal

Co-authored-by: arena-agent <297053741+arena-agent@users.noreply.github.com>
---
 test/unit/test_differential.jl | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/test/unit/test_differential.jl b/test/unit/test_differential.jl
index dcab0549..c7bd275d 100644
--- a/test/unit/test_differential.jl
+++ b/test/unit/test_differential.jl
@@ -599,6 +599,31 @@ end
         end
     end
 
+    @testset "Parent PATCH refuses an unreadable affected cascade" begin
+        SV = MetaManifold.Server
+        keym = "analysis.differential.method"
+        _da_fixture() do
+            root = SV.ServerState._root[]
+            global_path = joinpath(root, "config", "pipeline.yml")
+            study_path = joinpath(root, "data", "studyD", "pipeline.yml")
+            YAML.write_file(global_path, Dict("analysis"=>Dict("differential"=>
+                Dict("method"=>"nb_glm", "dispersion"=>"ml"))))
+            write(study_path, "analysis: [broken")
+            before_global = read(global_path, String)
+            before_study = read(study_path, String)
+
+            response = SV.Oxygen.internalrequest(HTTP.Request("PATCH", "/api/v1/config",
+                ["Content-Type"=>"application/json"],
+                JSON3.write(Dict(keym=>"clr_welch", "seed"=>789))))
+            body = JSON3.read(String(response.body))
+            @test response.status == 400
+            @test body.error == "invalid_config_value"
+            @test occursin("Cannot validate the affected config cascade", body.message)
+            @test read(global_path, String) == before_global
+            @test read(study_path, String) == before_study
+        end
+    end
+
     @testset "DELETE validates inherited values at every config scope" begin
         SV = MetaManifold.Server
         keym, keyd = "analysis.differential.method", "analysis.differential.dispersion"

From a3d3832286f41ed5de396d6a8312768ad179fc07 Mon Sep 17 00:00:00 2001
From: hyperpolymath <6759885+hyperpolymath@users.noreply.github.com>
Date: Sun, 18 Oct 2026 17:29:36 +0000
Subject: [PATCH 2/2] Revert "test(config): cover unreadable cascade refusal"

This reverts commit d80e48e3148376bc1862c55e8f623b99f39e47f8.
---
 test/unit/test_differential.jl | 25 -------------------------
 1 file changed, 25 deletions(-)

diff --git a/test/unit/test_differential.jl b/test/unit/test_differential.jl
index c7bd275d..dcab0549 100644
--- a/test/unit/test_differential.jl
+++ b/test/unit/test_differential.jl
@@ -599,31 +599,6 @@ end
         end
     end
 
-    @testset "Parent PATCH refuses an unreadable affected cascade" begin
-        SV = MetaManifold.Server
-        keym = "analysis.differential.method"
-        _da_fixture() do
-            root = SV.ServerState._root[]
-            global_path = joinpath(root, "config", "pipeline.yml")
-            study_path = joinpath(root, "data", "studyD", "pipeline.yml")
-            YAML.write_file(global_path, Dict("analysis"=>Dict("differential"=>
-                Dict("method"=>"nb_glm", "dispersion"=>"ml"))))
-            write(study_path, "analysis: [broken")
-            before_global = read(global_path, String)
-            before_study = read(study_path, String)
-
-            response = SV.Oxygen.internalrequest(HTTP.Request("PATCH", "/api/v1/config",
-                ["Content-Type"=>"application/json"],
-                JSON3.write(Dict(keym=>"clr_welch", "seed"=>789))))
-            body = JSON3.read(String(response.body))
-            @test response.status == 400
-            @test body.error == "invalid_config_value"
-            @test occursin("Cannot validate the affected config cascade", body.message)
-            @test read(global_path, String) == before_global
-            @test read(study_path, String) == before_study
-        end
-    end
-
     @testset "DELETE validates inherited values at every config scope" begin
         SV = MetaManifold.Server
         keym, keyd = "analysis.differential.method", "analysis.differential.dispersion"