From cffabdf21df52560e9964642f842cfcbfd011627 Mon Sep 17 00:00:00 2001
From: jochen <jschoubben@gmail.com>
Date: Thu, 5 Nov 2026 19:42:00 +0100
Subject: [PATCH] =?UTF-8?q?mesh-sdk:=20the=20refusal=20of=20contracts=20mo?=
 =?UTF-8?q?dules=20and=20domain=20SDKs=20reads=20every=20path=20segment,?=
 =?UTF-8?q?=20so=20a=20folder=20module=20counts=20(ADR=200635=20=C2=A71,?=
 =?UTF-8?q?=20ADR=200636=20=C2=A78;=20issue=201966)?=
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Claude-Session: https://claude.ai/code/session_01NcbgfFSnn24M3GcqttoU7i
---
 go/packages_list_test.go | 34 ++++++++++++++++++++++++++++------
 1 file changed, 28 insertions(+), 6 deletions(-)

diff --git a/go/packages_list_test.go b/go/packages_list_test.go
index bcef968..a861aee 100644
--- a/go/packages_list_test.go
+++ b/go/packages_list_test.go
@@ -40,21 +40,23 @@ var moduleWord = regexp.MustCompile(`\bmesh-(?:delivery|grants|vault|host|config
 
 // contractsOrDomainSDK says an import path is a module mesh-sdk may not import (ADR 0635 §1, ADR 0636 §8): the mesh's
 // contracts modules (mesh-contracts, mesh-<domain>-contracts, a repository's `contracts` folder) and the domain SDKs
-// (mesh-<domain>-sdk, a repository's `sdk` folder). Names no module: it reads the shape of the path.
+// (mesh-<domain>-sdk, a repository's `sdk` folder), whether a repository or a folder module of one: any path segment that
+// is, or ends in, `contracts` or `sdk`. Names no module: it reads the shape of the path.
 func contractsOrDomainSDK(path string) bool {
 	rest, ok := strings.CutPrefix(path, "git.novox.be/novox/")
 	if !ok {
 		return false
 	}
 	parts := strings.Split(rest, "/")
-	repo := parts[0]
-	if repo == "mesh-sdk" {
+	if parts[0] == "mesh-sdk" {
 		return false
 	}
-	if len(parts) > 1 && (parts[1] == "contracts" || parts[1] == "sdk") {
-		return true
+	for _, seg := range parts {
+		if seg == "contracts" || seg == "sdk" || strings.HasSuffix(seg, "-contracts") || strings.HasSuffix(seg, "-sdk") {
+			return true
+		}
 	}
-	return repo == "mesh-contracts" || (strings.HasPrefix(repo, "mesh-") && (strings.HasSuffix(repo, "-contracts") || strings.HasSuffix(repo, "-sdk")))
+	return false
 }
 
 // notInSDK are the packages that moved to a seat's client or contract (ADR 0627 §1, §4) and may not come back.
@@ -330,3 +332,23 @@ func TestMeshSDKHoldsOnlyWhatEveryModuleShares(t *testing.T) {
 
 // sdkModule is mesh-sdk's Go module path.
 const sdkModule = "git.novox.be/novox/mesh-sdk/go"
+
+// ADR 0635 §1, ADR 0636 §8: the refusal reads every segment of an import path, so a contracts module or a domain SDK
+// that is a folder module of a repository (mesh-networking's modules/mesh-connectivity-contracts) is refused too.
+func TestContractsAndDomainSDKsAreRecognisedInEverySegment(t *testing.T) {
+	for path, want := range map[string]bool{
+		"git.novox.be/novox/mesh-contracts/go/seats/meshconfig":                             true,
+		"git.novox.be/novox/mesh-delivery/contracts/go/seats/meshcatalog":                   true,
+		"git.novox.be/novox/mesh-delivery/sdk":                                              true,
+		"git.novox.be/novox/mesh-networking/modules/mesh-connectivity-contracts/go/seats/x": true,
+		"git.novox.be/novox/mesh-networking/modules/mesh-connectivity-sdk":                  true,
+		"git.novox.be/novox/mesh-sdk/go/catalogue":                                          false,
+		"git.novox.be/novox/mesh-sdk/go/seatlist":                                           false,
+		"git.novox.be/novox/mesh-delivery/modules/mesh-delivery-indexer":                    false,
+		"github.com/nats-io/nats.go":                                                        false,
+	} {
+		if got := contractsOrDomainSDK(path); got != want {
+			t.Errorf("contractsOrDomainSDK(%q) = %v, want %v", path, got, want)
+		}
+	}
+}