feat: integrate analytics and fragment receipt improvements

docs/contracts/send-chain-r9-submission.json

@@ -1,12 +1,12 @@
 {
   "version": "R9",
-  "generatedAt": "2026-07-31",
+  "generatedAt": "2026-08-03",
   "source": "api/src/send-chain/send-chain.service.ts at R8 local baseline",
   "target": "api/src/send-chain/send-*.service.ts via send-submission.service.ts compatibility facade",
   "methods": [
     {
       "name": "createBatchTask",
-      "bodySha256": "c7baccb2b49a95ef4b36a97f6f56c987f0ac60c45ed634cd050201f2a9bce8b5",
+      "bodySha256": "7ba5573e99f0616a7e57f53c242c60f3ec96d66a5164bbb170f177805ddfe9b0",
       "file": "send-batch-entry.service.ts"
     },
     {
@@ -66,7 +66,7 @@
     },
     {
       "name": "submitInboundMessage",
-      "bodySha256": "281e33a732f80e4ede6cc9d04a5b206a9348e17e66dee33d53f2d8d1d9bb9472",
+      "bodySha256": "dfe4a7516f9472870957e40acbe74fb7c8f76dd2113dda9ce06ea338241d1dba",
       "file": "send-inbound-entry.service.ts"
     },
     {
@@ -81,7 +81,7 @@
     },
     {
       "name": "collectInboundLongMessageFragment",
-      "bodySha256": "5b4e7f795966462fccb8c4c7a2cfae649ef19ee1b8176e7356eb2d621526ba41",
+      "bodySha256": "ac157c4848e12d46b98d46a8fbb13b65c6f18ae6dd2de3340d68f8bfa6908f63",
       "file": "send-inbound-entry.service.ts"
     },
     {
@@ -91,7 +91,7 @@
     },
     {
       "name": "submitInboundSingleMessage",
-      "bodySha256": "df97548b1710b217f118cc297104d6c5cc845acc40947df4180036b8d284d847",
+      "bodySha256": "6fa4c577848eb06f635a8f186d1e1510b1213f0ba6d439d032ea08c593725d14",
       "file": "send-inbound-entry.service.ts"
     },
     {
@@ -156,7 +156,7 @@
     },
     {
       "name": "resolveTemplateMessageClassification",
-      "bodySha256": "f2b99e2e9d7fa00172b3cca72f080493fbf6f090f378784611388320254575f7",
+      "bodySha256": "33c02992cc542862382456ffc4674cf0359e3b3e9271cabb23bd4d6f041f17a9",
       "file": "send-batch-entry.service.ts"
     },
     {