R-7: mesh_first_views names the tool runner's own build, or says own build unknown

Builds: design 47 G §205, §424

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

node-tools/internal/firstview/firstview.go

@@ -27,6 +27,7 @@ import (
 
 	stdio "git.novox.be/novox/mesh-sdk/go"
 	"git.novox.be/novox/mesh-sdk/go/keys"
+	"git.novox.be/novox/mesh-sdk/go/process"
 	"git.novox.be/novox/mesh-sdk/go/views"
 
 	"github.com/novox/mesh-tools/node-tools/internal/bus"
@@ -86,6 +87,9 @@ type Deps struct {
 	Findings FindingWriter
 	// StartFindings starts that writer, and its stop ends it; nil starts none.
 	StartFindings func(ctx context.Context) (stop func(), err error)
+	// Build is the build this process was started with (process.OwnBuild, read once at the start): its fingerprint, or
+	// why it is unknown (design 47 G §205, §424).
+	Build process.Build
 	// Node is the machine the runner is on, named in its findings' subject.
 	Node string
 	// Bound and Wait are the follower's (zero: two minutes, five seconds).
@@ -108,7 +112,7 @@ func Start(parent context.Context, conn *bus.Conn, logf func(string, ...any)) (*
 // state adapter, JetStream and node are this connection's, in this one place (design 47 G A-16, A-27).
 func DepsOf(conn *bus.Conn, logf func(string, ...any)) Deps {
 	me := conn.Module()
-	d := Deps{Module: me, Node: conn.Node(),
+	d := Deps{Module: me, Node: conn.Node(), Build: process.OwnBuild(),
 		Ask: func(address string, body any) (json.RawMessage, error) {
 			got, err := conn.Ask(address, body, "")
 			return got.Result, err
@@ -287,6 +291,10 @@ func (v *Views) Status() []views.Status {
 	return out
 }
 
+// OwnBuild is the build the tool runner was started with: the fingerprint of the want its node-engine applied, or why it is
+// unknown (`own build unknown: started without MESH_FINGERPRINT`).
+func (v *Views) OwnBuild() process.Build { return v.deps.Build }
+
 // Entries are the entries by fingerprint the catalog half's follower keeps, with their state and since when (design 47 G A-103).
 func (v *Views) Entries() any {
 	if v.branches == nil {