Take the catalogue's composition rules into the node-engine

ADR 0593 §7: the composer with its refusals leaves mesh-sdk, so mesh-sdk
carries no composition rule. The catalogue functions only the
node-engine's composition reaches (Resolve, Resolution's Compose,
Declaration, DataItems, LeftOut, Rules and the rest, the settings,
placeholder and template refusals, the rendering helpers) are copied
with their tests into internal/compose/resolution; a method of a
mesh-sdk shape becomes a function taking it first. The composition
calls its own copies, and the captured catalogue its tests read lives
here now, shared by mesh-compose's tests.

Claude-Session: https://claude.ai/code/session_01NcbgfJ9Gum47zkFKWRaovL

internal/compose/resolution/resolved_path_test.go

@@ -0,0 +1,32 @@
+package resolution
+
+import (
+	"testing"
+
+	mcat "git.novox.be/novox/mesh-sdk/go/catalogue"
+)
+
+func TestTheMeshsPlaceForDockerIsAccepted(t *testing.T) {
+	// The fix #205 needed: the mesh's own directory for the module, <root>/mesh/docker.
+	m, err := decodeForTest([]byte(`{"module": "docker", "version": "1", "resources": [
+		{"id": "state", "type": "directory", "place": "mesh"},
+		{"id": "marker", "type": "file", "path": "${dir:state}/applied", "content": "x"}]}`))
+	if err != nil {
+		t.Fatalf("place %q is in the mesh's tree, where the mesh writes for every module: %v", "mesh", err)
+	}
+	if got := dirsFor(m, mcat.Rendering{}); got["state"] != "/var/lib/mesh/docker" {
+		t.Fatalf("got %v", got)
+	}
+}
+
+func TestComposingAMachineIsNeverStoppedByOneModulesPath(t *testing.T) {
+	// A module registered from outside the catalogue never passes the gate. Refusing its path while a machine's
+	// declaration is composed would fail the whole declaration and freeze every module on that machine; the
+	// node-engine fails only the one resource. So composition leaves it to the engine.
+	m := mcat.Manifest{Module: "docker", Version: "1", Resources: []map[string]any{
+		{"id": "state", "type": "directory", "place": "."},
+	}}
+	if _, err := Declaration((mcat.Resolution{Node: "anchor", Modules: []mcat.Manifest{m}}), mcat.Rendering{}); err != nil {
+		t.Fatalf("the machine's declaration failed for one module's path: %v", err)
+	}
+}