P09.b DiffT
Before 5211acfe95a0c6d82a60e2524b5e46b47fe67a3e
After bb35b941115a0a9f818e8512eebe67c29ee68355
Threshold: ZERO semantic mismatches to declared oracle; ZERO reducer mismatches; all mandatory head assertions PASS. Compare each stream and service/upstream channel independently; ignore only cross-channel arrival interleaving.

--- P09.b 5211acfe95a0c6d82a60e2524b5e46b47fe67a3e
+++ P09.b bb35b941115a0a9f818e8512eebe67c29ee68355
@@ -16,27 +16,20 @@
         {
           "actual": {
             "aheadCount": 0,
-            "aheadOfDefaultCount": 1,
-            "behindCount": 0,
-            "branchChanges": {
-              "baseRef": "origin/main",
-              "deletions": 0,
-              "insertions": 1
-            },
-            "hasPrimaryRemote": true,
-            "hasUpstream": true,
-            "hasWorkingTreeChanges": false,
-            "isDefaultRef": false,
-            "isRepo": true,
-            "pr": {
-              "baseRef": "main",
-              "headRef": "A",
-              "number": 613,
-              "state": "open",
-              "title": "Fixture A",
-              "url": "https://github.com/proof-audit/status-fixture/pull/613"
-            },
-            "refName": "A",
+            "aheadOfDefaultCount": 0,
+            "behindCount": 0,
+            "branchChanges": {
+              "baseRef": "origin/main",
+              "deletions": 0,
+              "insertions": 1
+            },
+            "hasPrimaryRemote": true,
+            "hasUpstream": false,
+            "hasWorkingTreeChanges": false,
+            "isDefaultRef": false,
+            "isRepo": true,
+            "pr": null,
+            "refName": "B",
             "workingTree": {
               "deletions": 0,
               "files": [],
@@ -44,8 +37,8 @@
             }
           },
           "expectedPredicate": true,
-          "observedPredicate": false,
-          "outcome": "FAIL",
+          "observedPredicate": true,
+          "outcome": "PASS",
           "test": "initial writer result rereads latest compatible local cache",
           "virtualTimeMs": 0
         },
@@ -125,7 +118,24 @@
           "virtualTimeMs": 0
         }
       ],
-      "branchProbeChannel": [],
+      "branchProbeChannel": [
+        {
+          "branch": "A",
+          "virtualTimeMs": 0
+        },
+        {
+          "branch": "B",
+          "virtualTimeMs": 0
+        },
+        {
+          "branch": "B",
+          "virtualTimeMs": 0
+        },
+        {
+          "branch": "B",
+          "virtualTimeMs": 0
+        }
+      ],
       "checkpoints": [],
       "clockAdvances": [
         {
@@ -137,27 +147,20 @@
         {
           "initial": {
             "aheadCount": 0,
-            "aheadOfDefaultCount": 1,
-            "behindCount": 0,
-            "branchChanges": {
-              "baseRef": "origin/main",
-              "deletions": 0,
-              "insertions": 1
-            },
-            "hasPrimaryRemote": true,
-            "hasUpstream": true,
-            "hasWorkingTreeChanges": false,
-            "isDefaultRef": false,
-            "isRepo": true,
-            "pr": {
-              "baseRef": "main",
-              "headRef": "A",
-              "number": 613,
-              "state": "open",
-              "title": "Fixture A",
-              "url": "https://github.com/proof-audit/status-fixture/pull/613"
-            },
-            "refName": "A",
+            "aheadOfDefaultCount": 0,
+            "behindCount": 0,
+            "branchChanges": {
+              "baseRef": "origin/main",
+              "deletions": 0,
+              "insertions": 1
+            },
+            "hasPrimaryRemote": true,
+            "hasUpstream": false,
+            "hasWorkingTreeChanges": false,
+            "isDefaultRef": false,
+            "isRepo": true,
+            "pr": null,
+            "refName": "B",
             "workingTree": {
               "deletions": 0,
               "files": [],
@@ -199,10 +202,22 @@
       ],
       "invalidationChannel": [
         {
+          "kind": "invalidate-remote"
+        },
+        {
           "kind": "invalidate-local"
         },
         {
+          "kind": "invalidate-local"
+        },
+        {
+          "kind": "invalidate-local"
+        },
+        {
           "kind": "invalidate-all"
+        },
+        {
+          "kind": "invalidate-remote"
         }
       ],
       "localReadChannel": [
@@ -238,7 +253,7 @@
             "hasWorkingTreeChanges": false,
             "isDefaultRef": false,
             "isRepo": true,
-            "refName": "A",
+            "refName": "B",
             "workingTree": {
               "deletions": 0,
               "files": [],
@@ -288,6 +303,27 @@
             }
           },
           "n": 4,
+          "virtualTimeMs": 0
+        },
+        {
+          "local": {
+            "branchChanges": {
+              "baseRef": "origin/main",
+              "deletions": 0,
+              "insertions": 1
+            },
+            "hasPrimaryRemote": true,
+            "hasWorkingTreeChanges": false,
+            "isDefaultRef": false,
+            "isRepo": true,
+            "refName": "B",
+            "workingTree": {
+              "deletions": 0,
+              "files": [],
+              "insertions": 0
+            }
+          },
+          "n": 5,
           "virtualTimeMs": 0
         }
       ],
@@ -570,24 +606,7 @@
       },
       {
         "event": {
-          "_tag": "snapshot",
-          "local": {
-            "branchChanges": {
-              "baseRef": "origin/main",
-              "deletions": 0,
-              "insertions": 1
-            },
-            "hasPrimaryRemote": true,
-            "hasWorkingTreeChanges": false,
-            "isDefaultRef": false,
-            "isRepo": true,
-            "refName": "B",
-            "workingTree": {
-              "deletions": 0,
-              "files": [],
-              "insertions": 0
-            }
-          },
+          "_tag": "remoteUpdated",
           "remote": {
             "aheadCount": 0,
             "aheadOfDefaultCount": 2,