A-285: the SDK's lib artifact names its paths, so a change to them is a changed package

The indexer holds an artifact's named paths, and the checker packs the SDK for a
group only when its merge changes one of them.

Builds: design 47 G A-285

Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h

go/catalogue/own_manifest_test.go

@@ -35,8 +35,9 @@ func TestOwnManifestUsesNoWordTheRunningControllerRefuses(t *testing.T) {
 	if g := packages["go"]; g.Name != "go" || !slices.Equal(g.Paths, []string{"go"}) {
 		t.Errorf("mesh-sdk's Go package is %+v, want go built from go", g)
 	}
-	if l := packages["typescript"]; l.Name != "lib" || l.Paths != nil {
-		t.Errorf("mesh-sdk's TypeScript package is %+v", l)
+	// Its named paths, so the indexer holds them and a change to them is a changed package (design 47 G A-285).
+	if l := packages["typescript"]; l.Name != "lib" || !slices.Equal(l.Paths, []string{"package.json", "package-lock.json", "tsconfig.json", "src"}) {
+		t.Errorf("mesh-sdk's TypeScript package is %+v, want lib built from package.json, package-lock.json, tsconfig.json and src", l)
 	}
 
 	// What a reader reads (novox/hq ADR 0614 §4): the baseline is the contract of mesh-sdk f02f142, which every running

module.json

@@ -4,7 +4,7 @@
   "slug": "sdk",
   "build": {
     "artifacts": [
-      { "name": "lib", "kind": "package", "language": "typescript", "calls": ["finding-calls"] },
+      { "name": "lib", "kind": "package", "language": "typescript", "paths": ["package.json", "package-lock.json", "tsconfig.json", "src"], "calls": ["finding-calls"] },
       { "name": "go", "kind": "package", "language": "go", "paths": ["go"], "calls": ["finding-calls", "ledger-upkeep-calls", "put-sessions", "sent-objects-calls"] }
     ]
   },