From 33d9b288698f1c9930db4b821e19e5f203db4208 Mon Sep 17 00:00:00 2001
From: jochen <jschoubben@gmail.com>
Date: Thu, 12 Nov 2026 06:09:18 +0100
Subject: [PATCH] A3d item 1: operatorchannelclient re-exports mesh-sdk's act
 and its digest, one form
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Builds: design 47 G §677, lead answers A-198, A-219

Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h
---
 .../go/clients/operatorchannelclient/ask.go   | 34 +++----------------
 .../clients/operatorchannelclient/ask_test.go |  6 ++++
 2 files changed, 11 insertions(+), 29 deletions(-)

diff --git a/operator-and-conversation/go/clients/operatorchannelclient/ask.go b/operator-and-conversation/go/clients/operatorchannelclient/ask.go
index eb5a5ed..f0a28cb 100644
--- a/operator-and-conversation/go/clients/operatorchannelclient/ask.go
+++ b/operator-and-conversation/go/clients/operatorchannelclient/ask.go
@@ -13,12 +13,12 @@ import (
 	"errors"
 	"fmt"
 	"regexp"
-	"sort"
 	"strconv"
 	"strings"
 	"time"
 
 	seat "git.novox.be/novox/mesh-contracts/operator-and-conversation/go/seats/operatorchannel"
+	"git.novox.be/novox/mesh-sdk/go/operatorask"
 )
 
 // The levels an option is answered at: how much proof its answer needs (novox/hq ADR 0234 §8, the glossary's
@@ -57,35 +57,11 @@ const (
 	OutcomeRefused   = "refused"   // it was never shown: Words says why
 )
 
-// An Act is what an option binds: named fields, each a string — the verb, the machine, the level, and each
-// argument under a name of its own ("arg.delivery"). Flat on purpose: its digest is over these names and
-// values alone, never over how a language happens to encode a struct.
-type Act map[string]string
+// An Act is what an option binds: mesh-sdk's operatorask.Act, re-exported (design 47 G lead answers A-198, A-219).
+type Act = operatorask.Act
 
-// ActDigest is the digest an asker puts in an option's Binds: SHA-256 over the act's canonical encoding
-// (canonical), written "sha256:<hex>". The same names and values give the same digest in any language, whatever
-// order they were set in; a field renamed, added or emptied gives another.
-func ActDigest(act Act) (string, error) {
-	if len(act) == 0 {
-		return "", fmt.Errorf("the act cannot be digested: it names nothing")
-	}
-	keys := make([]string, 0, len(act))
-	for k := range act {
-		if k == "" {
-			return "", fmt.Errorf("the act cannot be digested: a field has no name")
-		}
-		keys = append(keys, k)
-	}
-	sort.Strings(keys)
-	var b strings.Builder
-	b.WriteString("novox.act.v1\n")
-	for _, k := range keys {
-		canonical(&b, k)
-		canonical(&b, act[k])
-	}
-	sum := sha256.Sum256([]byte(b.String()))
-	return "sha256:" + hex.EncodeToString(sum[:]), nil
-}
+// ActDigest is the digest an asker puts in an option's Binds: mesh-sdk's operatorask.ActDigest, re-exported.
+func ActDigest(act Act) (string, error) { return operatorask.ActDigest(act) }
 
 // canonical writes one value as its length in bytes, a colon, the bytes and a newline: no value can be read
 // as another's end or start, so two different sequences of values never encode the same.
diff --git a/operator-and-conversation/go/clients/operatorchannelclient/ask_test.go b/operator-and-conversation/go/clients/operatorchannelclient/ask_test.go
index 9d32152..c025c4e 100644
--- a/operator-and-conversation/go/clients/operatorchannelclient/ask_test.go
+++ b/operator-and-conversation/go/clients/operatorchannelclient/ask_test.go
@@ -10,6 +10,7 @@ import (
 	"time"
 
 	seat "git.novox.be/novox/mesh-contracts/operator-and-conversation/go/seats/operatorchannel"
+	"git.novox.be/novox/mesh-sdk/go/operatorask"
 )
 
 var now = time.Date(2026, 10, 8, 14, 0, 0, 0, time.UTC)
@@ -189,6 +190,11 @@ func TestDigestsAreCanonicalOverNamedFields(t *testing.T) {
 		Digest(gold) != "sha256:997af29a80663c5eb7d9dd38fc029c4a15fd726220b25e3c7cdc54d5a60bbbae" {
 		t.Errorf("the digests changed with the move: %s, %s", Digest(held()), Digest(gold))
 	}
+	// The act is mesh-sdk's, re-exported (A-198, A-219): one form, so the seat server's gate digests as an asker does.
+	var shared operatorask.Act = Act{"verb": "release", "arg.delivery": "hq"}
+	if d, _ := operatorask.ActDigest(shared); d == "" {
+		t.Error("mesh-sdk's digest of the act is empty")
+	}
 	a1, _ := ActDigest(Act{"verb": "release", "arg.delivery": "hq"})
 	b := Act{}
 	b["arg.delivery"] = "hq"