Builder: the hand acts through the seat's client, its findings through the conditions client's writer, the owners' states followed from the shared events stream, seat names from the contracts; contract import paths follow the domain folders (D-12..D-22 Builder part; issue 1966)

Claude-Session: https://claude.ai/code/session_01NcbgfFSnn24M3GcqttoU7i

modules/mesh-delivery-builder/cmd/mesh-delivery-builder-tools/main.go

@@ -14,10 +14,10 @@ import (
 	"sync"
 	"time"
 
+	"git.novox.be/novox/mesh-contracts/health-and-repair/go/clients/meshhandactsclient"
 	"git.novox.be/novox/mesh-delivery/modules/mesh-delivery-builder/buildrun"
 	stdio "git.novox.be/novox/mesh-sdk/go"
 	"git.novox.be/novox/mesh-sdk/go/delivery"
-	"git.novox.be/novox/mesh-sdk/go/handacts"
 	"git.novox.be/novox/mesh-sdk/go/views"
 
 	"git.novox.be/novox/mesh-delivery/sdk/enginereads"
@@ -419,7 +419,7 @@ func main() {
 	tools = append(tools, enginereads.Tool(EngineReadsTool, "the builder", enginereads.KeptState(stdio.State("engine-reads")), true, time.Now))
 	// builder_first_views and builder_first_view_again: where the builder's first views of the indexer's and the assigner's
 	// states stand, and asking one again by hand (ADR 0615, DLV-M1).
-	tools = append(tools, views.StatusTools(delivery.BuilderModule, "builder_first_views", "builder_first_view_again", stdio.State(views.StatusState), handacts.Recorder{Ask: stdio.Ask}, time.Now)...)
+	tools = append(tools, views.StatusTools(delivery.BuilderModule, "builder_first_views", "builder_first_view_again", stdio.State(views.StatusState), meshhandactsclient.Recorder{Ask: stdio.Ask}, time.Now)...)
 	if err := stdio.Serve("", tools); err != nil {
 		fmt.Fprintf(os.Stderr, "[mesh-delivery-builder-tools] %v\n", err)
 		os.Exit(1)

modules/mesh-delivery-builder/cmd/mesh-delivery-builder/integration_test.go

@@ -293,10 +293,10 @@ func startBedWith(t *testing.T, closed bool) *bed {
 	// (ADR 0615, DLV-M1); n1 and n2 each have their durable consumer.
 	readers := []string{"n1_" + delivery.BuilderModule, "n2_" + delivery.BuilderModule}
 	for _, st := range []string{modulesState, manifestsState, candidatesState} {
-		viewstest.Serve(t, ctx, js, ctl, delivery.IndexerModule, st, delivery.IndexerModule+".indexer_read_"+st, indexerViews, readers...)
+		viewstest.Serve(t, ctx, js, ctl, delivery.IndexerModule, st, delivery.IndexerModule+".indexer_read_"+st, readers...)
 	}
-	b.packages = viewstest.Serve(t, ctx, js, ctl, delivery.IndexerModule, delivery.PackagesState, delivery.IndexerModule+".indexer_read_packages", indexerViews, readers...)
-	viewstest.Serve(t, ctx, js, ctl, delivery.AssignerModule, delivery.PlacementState, delivery.AssignerModule+".assigner_read_placement", assignerViews, readers...)
+	b.packages = viewstest.Serve(t, ctx, js, ctl, delivery.IndexerModule, delivery.PackagesState, delivery.IndexerModule+".indexer_read_packages", readers...)
+	viewstest.Serve(t, ctx, js, ctl, delivery.AssignerModule, delivery.PlacementState, delivery.AssignerModule+".assigner_read_placement", readers...)
 	b.builds = mk(delivery.BuilderBuildsBucket, delivery.BuilderBuildsHistory)
 	b.instances = mk(instancesBucket, 1)
 	// The tag asks and their bounds (design 51 *Tagged versions*): the bounds declared key-ttl, so an ended bound leaves the

modules/mesh-delivery-builder/cmd/mesh-delivery-builder/main.go

@@ -8,6 +8,7 @@ import (
 	"cmp"
 	"context"
 	"fmt"
+	sdkfindings "git.novox.be/novox/mesh-delivery/sdk/findings"
 	"io"
 	"log"
 	"maps"
@@ -76,26 +77,26 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
 	defer calls.Close()
 	reader := &views.ProcessReader{Module: delivery.BuilderModule, Call: calls.Call, Logf: logger.Printf}
 	findingsKV := process.AwaitBucket(ctx, js, conn, findingsBucket, "the builder's findings, a first view unanswered past its bound among them, are said in its log only", logger.Printf)
-	reader.Findings = findingsKV.KV
-	modules, err := reader.Follow(delivery.IndexerModule, modulesState, delivery.IndexerModule+".indexer_read_modules", indexerViews)
+	reader.Findings = func() views.FindingWriter { return sdkfindings.Writer(ctx, findingsKV.KV) }
+	modules, err := reader.Follow(delivery.IndexerModule, modulesState, delivery.IndexerModule+".indexer_read_modules")
 	if err != nil {
 		return err
 	}
-	manifests, err := reader.Follow(delivery.IndexerModule, manifestsState, delivery.IndexerModule+".indexer_read_manifests", indexerViews)
+	manifests, err := reader.Follow(delivery.IndexerModule, manifestsState, delivery.IndexerModule+".indexer_read_manifests")
 	if err != nil {
 		return err
 	}
 	// The candidates' fingerprints are built too (issue 1684).
-	candidates, err := reader.Follow(delivery.IndexerModule, candidatesState, delivery.IndexerModule+".indexer_read_candidates", indexerViews)
+	candidates, err := reader.Follow(delivery.IndexerModule, candidatesState, delivery.IndexerModule+".indexer_read_candidates")
 	if err != nil {
 		return err
 	}
 	// The indexer's packages, whose names a package is numbered under (design 32).
-	packages, err := reader.Follow(delivery.IndexerModule, delivery.PackagesState, delivery.IndexerModule+".indexer_read_packages", indexerViews)
+	packages, err := reader.Follow(delivery.IndexerModule, delivery.PackagesState, delivery.IndexerModule+".indexer_read_packages")
 	if err != nil {
 		return err
 	}
-	placement, err := reader.Follow(delivery.AssignerModule, delivery.PlacementState, delivery.AssignerModule+".assigner_read_placement", assignerViews)
+	placement, err := reader.Follow(delivery.AssignerModule, delivery.PlacementState, delivery.AssignerModule+".assigner_read_placement")
 	if err != nil {
 		return err
 	}
@@ -448,8 +449,6 @@ var firstViewsBucket = delivery.BuilderModule + "_" + views.StatusState
 // The indexer's states the builder follows (delivery.ModulesBucket, ManifestsBucket, CandidatesBucket), and the owners'
 // views families as their manifests' `streams` name them.
 const (
-	indexerViews    = "indexer-views"
-	assignerViews   = "assigner-views"
 	modulesState    = "modules"
 	manifestsState  = "manifests"
 	candidatesState = "candidates"

modules/mesh-delivery-builder/go.mod

@@ -3,6 +3,10 @@ module mesh-delivery-builder
 go 1.26.0
 
 require (
+	git.novox.be/novox/mesh-catalog/modules/mesh-build-go/buildstep v0.0.0-00010101000000-000000000000
+	git.novox.be/novox/mesh-catalog/modules/mesh-build-go/buildstep v0.0.0-00010101000000-000000000000
+	git.novox.be/novox/mesh-contracts/health-and-repair/go/clients/meshhandactsclient v0.0.0-00010101000000-000000000000
+	git.novox.be/novox/mesh-catalog/modules/mesh-build-go/buildstep v0.0.0-00010101000000-000000000000
 	git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261104174359-05b3e2e1b94f
 	github.com/nats-io/nats-server/v2 v2.11.17
 	github.com/nats-io/nats.go v1.54.0