diff --git a/app/(dashboard)/bookkeeping/[id]/page.tsx b/app/(dashboard)/bookkeeping/[id]/page.tsx
index 2effb33d..119cb918 100644
--- a/app/(dashboard)/bookkeeping/[id]/page.tsx
+++ b/app/(dashboard)/bookkeeping/[id]/page.tsx
@@ -8,7 +8,7 @@ import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
 import { Button } from '@/components/ui/button'
 import { AccountNumber } from '@/components/ui/account-number'
 import { Textarea } from '@/components/ui/textarea'
-import { Loader2, ArrowLeft, Paperclip, AlertTriangle, Lock, MessageSquare, Pencil, Check, X, Copy, ChevronDown, CalendarClock, FileText, Link2, RotateCcw, Scissors, PenLine } from 'lucide-react'
+import { Loader2, ArrowLeft, Paperclip, AlertTriangle, Lock, MessageSquare, Pencil, Check, X, Copy, ChevronDown, CalendarClock, FileText, Link2, RotateCcw, Scissors, PenLine, Bot } from 'lucide-react'
 import {
   DropdownMenu,
   DropdownMenuTrigger,
@@ -65,6 +65,34 @@ type RattelseLogRow = {
   created_at: string
 }
 
+/**
+ * Human "who committed this" line from the committed_actor_* snapshot
+ * (WHO relayed the commit; commit_method records HOW). The claude.ai MCP
+ * connector mints a gnubok_sk_ API key, so MCP traffic arrives as
+ * actor_type='api_key' with the key name as the label.
+ */
+function committedByLabel(
+  actorType: string,
+  actorLabel: string | null,
+  t: (key: string, values?: Record<string, string>) => string,
+): string {
+  switch (actorType) {
+    case 'user':
+      return actorLabel || t('committed_by_user')
+    case 'api_key':
+    case 'mcp_oauth':
+      return actorLabel ? t('committed_by_ai', { label: actorLabel }) : t('committed_by_ai_plain')
+    case 'agent_chat':
+      return t('committed_by_agent_chat')
+    case 'cron':
+      return t('committed_by_cron')
+    case 'system':
+      return t('committed_by_system')
+    default:
+      return actorType
+  }
+}
+
 export default function JournalEntryDetailPage({ params }: { params: Promise<{ id: string }> }) {
   const { id } = use(params)
   const router = useRouter()
@@ -580,6 +608,15 @@ export default function JournalEntryDetailPage({ params }: { params: Promise<{ i
                 <span>{formatDate(entry.committed_at)}</span>
               </div>
             )}
+            {entry.committed_at && entry.committed_actor_type && (
+              <div className="flex justify-between">
+                <span className="text-muted-foreground">{t('field_committed_by')}</span>
+                <span className="flex items-center gap-1.5 text-right">
+                  {entry.committed_actor_type !== 'user' && <Bot className="h-3.5 w-3.5 shrink-0" />}
+                  {committedByLabel(entry.committed_actor_type, entry.committed_actor_label, t)}
+                </span>
+              </div>
+            )}
             <div className="flex justify-between">
               <span className="text-muted-foreground">{t('field_type')}</span>
               <span>{sourceTypeLabels[entry.source_type] || entry.source_type}</span>
diff --git a/app/(dashboard)/pending/page.tsx b/app/(dashboard)/pending/page.tsx
index d37a4a64..8364706e 100644
--- a/app/(dashboard)/pending/page.tsx
+++ b/app/(dashboard)/pending/page.tsx
@@ -887,6 +887,14 @@ export default function PendingOperationsPage() {
                       detailOpId === op.id ? 'bg-secondary/25' : 'hover:bg-secondary/35',
                     )}
                   >
+                    {/* Same actor mark as the pending rows, minus the curved
+                        op-thread (it points at an action row history lacks). */}
+                    <span
+                      className="flex h-7 w-7 shrink-0 items-center justify-center rounded-full border border-border text-muted-foreground"
+                      aria-hidden
+                    >
+                      {isAgent ? <Bot className="h-3.5 w-3.5" /> : <ClipboardCheck className="h-3.5 w-3.5" />}
+                    </span>
                     <Badge
                       variant={
                         isAutoExpired(op)
diff --git a/lib/agent/chat/run-turn.ts b/lib/agent/chat/run-turn.ts
index 53f729ee..b790c40e 100644
--- a/lib/agent/chat/run-turn.ts
+++ b/lib/agent/chat/run-turn.ts
@@ -77,9 +77,11 @@ export type StreamEvent =
       kind: 'staged_operation'
       tool_use_id: string
       tool_name: string
-      // The tool-use input: the same values the staging tool stored as
-      // pending_operations.params. Carried so chat previews that need
-      // params (e.g. attach_document's DocumentViewButton) work live.
+      // The tool-use input: a superset of what the staging tool stored as
+      // pending_operations.params (it may also carry transport fields such
+      // as idempotency_key/dry_run). Carried so chat previews that need
+      // params (e.g. attach_document's DocumentViewButton) work live;
+      // previews read only the fields they need.
       params: Record<string, unknown>
       staged: StagedOperationResult
     }
diff --git a/messages/en.json b/messages/en.json
index 1dd398ca..56385eb2 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -4707,6 +4707,13 @@
     "details_title": "Journal entry details",
     "field_date": "Date",
     "field_posted_at": "Posted",
+    "field_committed_by": "Posted by",
+    "committed_by_user": "User",
+    "committed_by_ai": "AI assistant · {label}",
+    "committed_by_ai_plain": "AI assistant",
+    "committed_by_agent_chat": "The AI assistant (chat)",
+    "committed_by_cron": "Automated job",
+    "committed_by_system": "System",
     "field_type": "Type",
     "field_source_voucher": "Original voucher",
     "field_note": "Note",
diff --git a/messages/sv.json b/messages/sv.json
index 3c397d5a..26b32c7e 100644
--- a/messages/sv.json
+++ b/messages/sv.json
@@ -4707,6 +4707,13 @@
     "details_title": "Verifikationsdetaljer",
     "field_date": "Datum",
     "field_posted_at": "Bokförd",
+    "field_committed_by": "Bokförd av",
+    "committed_by_user": "Användare",
+    "committed_by_ai": "AI-assistent · {label}",
+    "committed_by_ai_plain": "AI-assistent",
+    "committed_by_agent_chat": "AI-assistenten (chatt)",
+    "committed_by_cron": "Automatiskt jobb",
+    "committed_by_system": "System",
     "field_type": "Typ",
     "field_source_voucher": "Ursprungligt verifikat",
     "field_note": "Anteckning",
diff --git a/tests/helpers.ts b/tests/helpers.ts
index 43af5163..4eda84a3 100644
--- a/tests/helpers.ts
+++ b/tests/helpers.ts
@@ -258,6 +258,8 @@ export function makeJournalEntry(overrides: Partial<JournalEntry> = {}): Journal
     attachment_urls: null,
     notes: null,
     commit_method: null,
+    committed_actor_type: null,
+    committed_actor_label: null,
     rubric_version: null,
     created_at: '2024-06-15T14:30:00Z',
     updated_at: '2024-06-15T14:30:00Z',
diff --git a/types/index.ts b/types/index.ts
index a392c87a..2dcff277 100644
--- a/types/index.ts
+++ b/types/index.ts
@@ -1789,6 +1789,13 @@ export interface JournalEntry {
   attachment_urls: string[] | null
   notes: string | null
   commit_method: string | null
+  // WHO relayed the commit; complements commit_method = HOW. Stamped at
+  // commit time since migration 20260619120000. actor_type is NULL or one of
+  // 'user' | 'api_key' | 'mcp_oauth' | 'cron' | 'system' | 'agent_chat'
+  // (the DB CHECK is the authority); actor_label is a credential snapshot
+  // (e.g. the API key name).
+  committed_actor_type: string | null
+  committed_actor_label: string | null
   rubric_version: string | null
   source_voucher_series: string | null
   source_voucher_number: number | null