build-haks now accepts --source-manifest <path>

When that flag is used, sow-tools:
- collects only the assets referenced by that manifest subset
- skips full-project chunk planning for the per-archive run
- reconstructs just the requested archive chunks from the manifest

internal/pipeline/pipeline_test.go

@@ -1831,7 +1831,7 @@ func TestPlanHAKChunksPutsNewestAssetsInLastChunk(t *testing.T) {
 		t.Fatalf("scan: %v", err)
 	}
 
-	assets, err := collectAssetResources(p, false)
+	assets, err := collectAssetResources(p, false, nil)
 	if err != nil {
 		t.Fatalf("collect asset resources: %v", err)
 	}