Add MonitorAlbum component tests: 21 cases covering all flow diagrams (bufconn + testcontainers + hand-rolled mocks)

go.mod

@@ -5,6 +5,9 @@ go 1.26.2
 require github.com/rs/zerolog v1.35.1
 
 require (
+	dario.cat/mergo v1.0.2 // indirect
+	github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c // indirect
+	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/RoaringBitmap/roaring v1.2.3 // indirect
 	github.com/alecthomas/atomic v0.1.0-alpha2 // indirect
 	github.com/anacrolix/btree v0.0.0-20251201064447-d86c3fa41bd8 // indirect
@@ -29,15 +32,27 @@ require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bits-and-blooms/bitset v1.2.2 // indirect
 	github.com/bradfitz/iter v0.0.0-20191230175014-e8f45d346db8 // indirect
+	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cespare/xxhash v1.1.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/containerd/errdefs v1.0.0 // indirect
+	github.com/containerd/errdefs/pkg v0.3.0 // indirect
+	github.com/containerd/log v0.1.0 // indirect
+	github.com/containerd/platforms v0.2.1 // indirect
+	github.com/cpuguy83/dockercfg v0.3.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/distribution/reference v0.6.0 // indirect
+	github.com/docker/go-connections v0.6.0 // indirect
+	github.com/docker/go-units v0.5.0 // indirect
 	github.com/dustin/go-humanize v1.0.0 // indirect
+	github.com/ebitengine/purego v0.10.0 // indirect
 	github.com/edsrzf/mmap-go v1.1.0 // indirect
+	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/go-llsqlite/adapter v0.0.0-20230927005056-7f5ce7f0c916 // indirect
 	github.com/go-llsqlite/crawshaw v0.5.6-0.20250312230104-194977a03421 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-ole/go-ole v1.3.0 // indirect
 	github.com/google/btree v1.1.2 // indirect
 	github.com/google/go-cmp v0.7.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
@@ -49,15 +64,29 @@ require (
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
 	github.com/jackc/pgx/v5 v5.9.2 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
+	github.com/klauspost/compress v1.18.5 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.3 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
+	github.com/lufia/plan9stats v0.0.0-20251013123823-9fd1530e3ec3 // indirect
+	github.com/magiconair/properties v1.8.10 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/minio/sha256-simd v1.0.0 // indirect
+	github.com/moby/docker-image-spec v1.3.1 // indirect
+	github.com/moby/go-archive v0.2.0 // indirect
+	github.com/moby/moby/api v1.54.1 // indirect
+	github.com/moby/moby/client v0.4.0 // indirect
+	github.com/moby/patternmatcher v0.6.1 // indirect
+	github.com/moby/sys/sequential v0.6.0 // indirect
+	github.com/moby/sys/user v0.4.0 // indirect
+	github.com/moby/sys/userns v0.1.0 // indirect
+	github.com/moby/term v0.5.2 // indirect
 	github.com/mr-tron/base58 v1.2.0 // indirect
 	github.com/mschoch/smat v0.2.0 // indirect
 	github.com/multiformats/go-multihash v0.2.3 // indirect
 	github.com/multiformats/go-varint v0.0.6 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/opencontainers/go-digest v1.0.0 // indirect
+	github.com/opencontainers/image-spec v1.1.1 // indirect
 	github.com/pion/datachannel v1.5.9 // indirect
 	github.com/pion/dtls/v3 v3.0.3 // indirect
 	github.com/pion/ice/v4 v4.0.2 // indirect
@@ -76,6 +105,7 @@ require (
 	github.com/pion/webrtc/v4 v4.0.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
 	github.com/prometheus/client_golang v1.23.2 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
 	github.com/prometheus/common v0.66.1 // indirect
@@ -89,16 +119,24 @@ require (
 	github.com/riverqueue/river/rivertype v0.35.1 // indirect
 	github.com/rogpeppe/go-internal v1.14.1 // indirect
 	github.com/rs/dnscache v0.0.0-20211102005908-e0241e321417 // indirect
+	github.com/shirou/gopsutil/v4 v4.26.3 // indirect
+	github.com/sirupsen/logrus v1.9.4 // indirect
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
 	github.com/stretchr/testify v1.11.1 // indirect
+	github.com/testcontainers/testcontainers-go v0.42.0 // indirect
+	github.com/testcontainers/testcontainers-go/modules/postgres v0.42.0 // indirect
 	github.com/tidwall/btree v1.8.1 // indirect
 	github.com/tidwall/gjson v1.18.0 // indirect
 	github.com/tidwall/match v1.2.0 // indirect
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/tidwall/sjson v1.2.5 // indirect
+	github.com/tklauser/go-sysconf v0.3.16 // indirect
+	github.com/tklauser/numcpus v0.11.0 // indirect
 	github.com/wlynxg/anet v0.0.3 // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // indirect
 	go.etcd.io/bbolt v1.3.6 // indirect
 	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.60.0 // indirect
 	go.opentelemetry.io/otel v1.43.0 // indirect
 	go.opentelemetry.io/otel/metric v1.43.0 // indirect
 	go.opentelemetry.io/otel/trace v1.43.0 // indirect