G B-2: a binding names its state's objects store, and a membership its old objects sections

Builds: design 47 G §642, §399, §513, §619

Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ

go/membership/membership.go

@@ -50,6 +50,9 @@ type Membership struct {
 	Mesh []string `json:"mesh,omitempty"`
 	// State is every bucket this module's code may reach, and whether it may write it (novox/hq ADR 0201).
 	State []StateIssued `json:"state,omitempty"`
+	// Objects maps the name of each old `objects` section of a foundation part to its object store, as State maps its
+	// buckets (design 47 G §619).
+	Objects map[string]string `json:"objects,omitempty"`
 	// Logs is every log this module's code may reach (novox/hq ADR 0297).
 	Logs []LogIssued `json:"logs,omitempty"`
 	// SeatTraffic is what this module's code may submit, say, hear, take, ask, answer and read on seats
@@ -79,6 +82,9 @@ type BusBinding struct {
 	Subject string `json:"subject,omitempty"`
 	// Bucket is a key-value bucket's name.
 	Bucket string `json:"bucket,omitempty"`
+	// Objects is the bus name of a state's `<state>-objects` store (design 47 G §399, §642); the module's sent store is a
+	// binding entry of its own, the local name `sent-objects`, its ObjectStore.
+	Objects string `json:"objects,omitempty"`
 	// ObjectStore is an object store's name.
 	ObjectStore string `json:"object-store,omitempty"`
 	// Ledger, for the storage type ledger: its history stream (one subject per instance), its state bucket, each

go/membership/membership_test.go

@@ -3,6 +3,7 @@ package membership
 import (
 	"encoding/json"
 	"reflect"
+	"strings"
 	"testing"
 
 	"git.novox.be/novox/mesh-sdk/go/catalogue"
@@ -54,6 +55,17 @@ func TestAMembershipRoundTripsAsIssued(t *testing.T) {
 	if err := json.Unmarshal(boundRaw, &boundBack); err != nil || !reflect.DeepEqual(bound, boundBack) {
 		t.Fatalf("a membership with a ledger binding read back as %+v (%v)", boundBack, err)
 	}
+	// Design 47 G §642, §619: a state's binding carries its objects store, the sent store is an entry of its own, and a
+	// foundation part's old `objects` sections map to their stores.
+	withObjects := in
+	withObjects.Objects = map[string]string{"blobs": "forge_blobs"}
+	withObjects.Bindings = []BusBinding{{Local: "repos", Storage: catalogue.StorageKeyValue, Template: catalogue.TemplateState, Bucket: "forge_repos", Objects: "forge_repos-objects"},
+		{Local: "sent-objects", Storage: catalogue.StorageObjectStore, ObjectStore: "forge_sent"}}
+	objRaw, _ := json.Marshal(withObjects)
+	var objBack Membership
+	if err := json.Unmarshal(objRaw, &objBack); err != nil || !reflect.DeepEqual(withObjects, objBack) || !strings.Contains(string(objRaw), `"objects":"forge_repos-objects"`) {
+		t.Fatalf("a membership with objects read back as %+v (%v)", objBack, err)
+	}
 	before, _ := json.Marshal(Membership{Node: "ace", Module: "forge", Tools: "t", Emits: "e", Serves: []Served{{Subject: "s"}},
 		State: []StateIssued{{Name: "repos", Bucket: "forge_repos", Writes: true}}})
 	if string(before) != `{"node":"ace","module":"forge","serves":[{"subject":"s"}],"emits":"e","tools":"t","state":[{"name":"repos","bucket":"forge_repos","writes":true}]}` {