Add the replays of issues 279 and 412, written with only what the catalogue had before each fix

So the lab's prover can lay them over the commit before mesh-controller #260 and #267 and see them fail
there and pass on the fix (hq issues 279, 412).

internal/catalogue/replay279_test.go

@@ -0,0 +1,36 @@
+package catalogue
+
+import "testing"
+
+// Replay of novox/hq issue 279 (2026-10-06): the media managers' recycle-bin folders were declared owned by
+// a literal user and group, and on a machine whose puid and pgid settings named another account the apps
+// refused them as not writable. A directory's owner could not follow the account its module runs as. Written
+// only with what the catalogue had before its fix (mesh-controller #260): Compose, LeftOut, a setting layer,
+// and the adoption tests' anchor, so it is laid over the commit before.
+func TestReplay279(t *testing.T) {
+	r := anAdoptedAnchor()
+	r.Modules = append(r.Modules, Manifest{Module: "sonarr",
+		Resources: []map[string]any{
+			{"id": "recycle-bin", "type": "directory", "path": "/srv/sonarr/recycle", "mode": "0755",
+				"owner": "${setting:puid}:${setting:pgid}"},
+			{"id": "identity", "type": "file", "path": "/srv/sonarr/identity.env", "mode": "0644",
+				"content": "PUID=${setting:puid}\nPGID=${setting:pgid}\n"},
+		},
+	})
+	with := anchorRendering(false)
+	with.Settings["sonarr"] = []Layer{{From: "node anchor", Values: map[string]any{"puid": "1001", "pgid": "2000"}}}
+	composed, err := r.Compose(with)
+	if err != nil {
+		t.Fatalf("the machine did not compose: %v", err)
+	}
+	if why, left := composed.LeftOut["sonarr"]; left {
+		t.Fatalf("the module was left out: %s", why)
+	}
+	got, ok := byID(composed.Resources)["sonarr.recycle-bin"]
+	if !ok {
+		t.Fatal("the recycle bin was not declared")
+	}
+	if got["owner"] != "1001:2000" {
+		t.Fatalf("the recycle bin reaches the node-engine owned by %v, not the account the module runs as (1001:2000)", got["owner"])
+	}
+}

internal/catalogue/replay412_test.go

@@ -0,0 +1,36 @@
+package catalogue
+
+import (
+	"strings"
+	"testing"
+)
+
+// Replay of novox/hq issue 412 (2026-10-10): which module owns /etc/hosts was enforced only after the fact,
+// when two modules on one machine declared it; a module that did not claim node-hostname could declare
+// /etc/hosts, and a module could claim node-hostname declaring none of its paths, and nothing refused either.
+// Written only with what the catalogue had before its fix (mesh-controller #267): CatalogueProblems, Shelf,
+// SeatNamed and CanHold, so it is laid over the commit before.
+func TestReplay412(t *testing.T) {
+	stranger := Manifest{Module: "stranger", Version: "1", Resources: []map[string]any{
+		{"id": "hosts", "type": "file", "path": "/etc/hosts", "into": "block", "content": "10.0.0.1 x\n"}}}
+	got := strings.Join(CatalogueProblems(Shelf{"stranger": stranger}), "; ")
+	if !strings.Contains(got, "node-hostname") {
+		t.Errorf("a module declaring /etc/hosts without claiming node-hostname was not refused: %q", got)
+	}
+
+	seat, ok := SeatNamed("node-hostname")
+	if !ok {
+		t.Fatal("no node-hostname seat")
+	}
+	holder := Manifest{Module: "names", Version: "1", Claims: []Claim{{Name: "node-hostname", Scope: ScopeNode,
+		Serves: []string{"entries", "add", "remove"}}}}
+	err := CanHold(holder, seat)
+	if err == nil {
+		t.Fatal("a holder of node-hostname declaring neither /etc/hosts nor /etc/hostname was accepted")
+	}
+	for _, want := range []string{"/etc/hosts", "/etc/hostname"} {
+		if !strings.Contains(err.Error(), want) {
+			t.Errorf("the refusal does not name %s: %v", want, err)
+		}
+	}
+}