perf(cmpp): decouple supplier result callbacks

docs/contracts/examples/submit-result-outbox-event.json

@@ -0,0 +1,24 @@
+{
+  "schemaVersion": "v1",
+  "eventId": "submit:submit-20260820-0001:aggregate",
+  "eventType": "submit_result",
+  "path": "/gateway/events/submit-result",
+  "traceId": "trace-20260820-0001",
+  "messageId": "message-20260820-0001",
+  "channelId": "channel-test-1",
+  "submitId": "submit-20260820-0001",
+  "payload": {
+    "eventId": "submit:submit-20260820-0001:aggregate",
+    "schemaVersion": "v1",
+    "messageType": "SubmitResult",
+    "traceId": "trace-20260820-0001",
+    "messageId": "message-20260820-0001",
+    "channelId": "channel-test-1",
+    "createdAt": "2026-08-20T05:00:00Z",
+    "sequenceId": 1,
+    "gatewayMessageId": "1000000000000001",
+    "submitStatus": "accepted",
+    "submittedAt": "2026-08-20T05:00:00Z"
+  },
+  "createdAt": "2026-08-20T05:00:00Z"
+}

docs/contracts/gateway-queue-messages.schema.json

@@ -6,7 +6,8 @@
     { "$ref": "#/$defs/SubmitCommand" },
     { "$ref": "#/$defs/SubmitResult" },
     { "$ref": "#/$defs/ReceiptEvent" },
-    { "$ref": "#/$defs/UplinkEvent" }
+    { "$ref": "#/$defs/UplinkEvent" },
+    { "$ref": "#/$defs/SubmitResultOutboxEvent" }
   ],
   "$defs": {
     "Envelope": {
@@ -139,6 +140,26 @@
         }
       ]
     },
+    "SubmitResultOutboxEvent": {
+      "type": "object",
+      "required": ["schemaVersion", "eventId", "eventType", "path", "messageId", "channelId", "submitId", "payload", "createdAt"],
+      "properties": {
+        "schemaVersion": { "const": "v1" },
+        "eventId": { "type": "string", "pattern": "^submit:.+:(aggregate|segment:[1-9][0-9]*)$" },
+        "eventType": { "enum": ["submit_result", "submit_segment_result"] },
+        "path": { "enum": ["/gateway/events/submit-result", "/gateway/events/submit-segment-result"] },
+        "traceId": { "type": "string" },
+        "messageId": { "type": "string", "minLength": 1 },
+        "channelId": { "type": "string", "minLength": 1 },
+        "submitId": { "type": "string", "minLength": 1 },
+        "payload": {
+          "type": "object",
+          "required": ["eventId"],
+          "properties": { "eventId": { "type": "string", "minLength": 1 } }
+        },
+        "createdAt": { "type": "string", "format": "date-time" }
+      }
+    },
     "ReceiptEvent": {
       "allOf": [
         { "$ref": "#/$defs/Envelope" },

docs/contracts/send-chain-r10-completion.json

@@ -17,7 +17,7 @@
     {
       "name": "handleSubmitResult",
       "file": "send-gateway-result.service.ts",
-      "bodySha256": "6184170748eb3934496b060ea3b6704f1d1a831e7ffde7e7f8b73a7c223a869c"
+      "bodySha256": "9414f8d4e5e1c3cf6d0747e47ce01e101e142772af4f56900932bc6d4ac11ec7"
     },
     {
       "name": "resolveSubmitRecordForGatewayResult",

docs/contracts/upstream-r7-declarations.json

@@ -173,7 +173,7 @@
       "name": "Manager",
       "kind": "type",
       "file": "manager.go",
-      "sha256": "c7ead8b037bc87ad9800650ce191f5fcee9648b8805a133b9506743c762ea608"
+      "sha256": "b08726201c34da87ae735abd7fc56d2b904104d4b7f6a6a6365263ec5b0a43bc"
     },
     {
       "name": "defaultChannelConnectionID",
@@ -389,7 +389,7 @@
       "kind": "func",
       "receiver": "Manager",
       "file": "submit.go",
-        "sha256": "a25d30aeb87c1fe123929330fdabc99261e63d5b51e1cb6207197c43a15de07d"
+        "sha256": "9be92b0d32626ce93d0b2d721bf008305c4b9e5919e287d49b91c6f2474ddeb1"
     },
     {
       "name": "submitPart",
@@ -410,7 +410,7 @@
       "kind": "func",
       "receiver": "connectionPool",
       "file": "submit.go",
-        "sha256": "e3dbf2d433ef4ff95b2fe7a8494b17c6a8e185bdace017cce9c7d2e8c785bfb3"
+        "sha256": "577b7f942f4b95ea3868d7cf9aadae800df8edda0e7ca94a205b4124be58e9e3"
     },
     {
       "name": "defaultInt",