P15.a 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.

--- P15.a 5211acfe95a0c6d82a60e2524b5e46b47fe67a3e
+++ P15.a bb35b941115a0a9f818e8512eebe67c29ee68355
@@ -37,11 +37,31 @@
                   "url": "https://github.com/proof-audit/status-fixture/pull/613"
                 }
               }
+            },
+            {
+              "_tag": "localUpdated",
+              "local": {
+                "branchChanges": {
+                  "baseRef": "origin/main",
+                  "deletions": 0,
+                  "insertions": 6
+                },
+                "hasPrimaryRemote": true,
+                "hasWorkingTreeChanges": false,
+                "isDefaultRef": true,
+                "isRepo": true,
+                "refName": "main",
+                "workingTree": {
+                  "deletions": 0,
+                  "files": [],
+                  "insertions": 0
+                }
+              }
             }
           ],
           "expectedPredicate": true,
-          "observedPredicate": false,
-          "outcome": "FAIL",
+          "observedPredicate": true,
+          "outcome": "PASS",
           "test": "pulled local published while second remote read held",
           "virtualTimeMs": 0
         },
@@ -90,10 +110,35 @@
           "virtualTimeMs": 0
         }
       ],
-      "branchProbeChannel": [],
+      "branchProbeChannel": [
+        {
+          "branch": "main",
+          "virtualTimeMs": 0
+        },
+        {
+          "branch": "main",
+          "virtualTimeMs": 0
+        },
+        {
+          "branch": "main",
+          "virtualTimeMs": 0
+        },
+        {
+          "branch": "main",
+          "virtualTimeMs": 0
+        },
+        {
+          "branch": "main",
+          "virtualTimeMs": 0
+        },
+        {
+          "branch": "main",
+          "virtualTimeMs": 0
+        }
+      ],
       "checkpoints": [
         {
-          "localReads": 4,
+          "localReads": 5,
           "name": "remote-held",
           "pending": true,
           "pulls": 1,
@@ -149,13 +194,28 @@
       ],
       "invalidationChannel": [
         {
+          "kind": "invalidate-remote"
+        },
+        {
+          "kind": "invalidate-local"
+        },
+        {
           "kind": "invalidate-all"
         },
         {
+          "kind": "invalidate-remote"
+        },
+        {
           "kind": "invalidate-local"
         },
         {
           "kind": "invalidate-all"
+        },
+        {
+          "kind": "invalidate-local"
+        },
+        {
+          "kind": "invalidate-remote"
         }
       ],
       "localReadChannel": [
@@ -227,6 +287,27 @@
             "branchChanges": {
               "baseRef": "origin/main",
               "deletions": 0,
+              "insertions": 1
+            },
+            "hasPrimaryRemote": true,
+            "hasWorkingTreeChanges": false,
+            "isDefaultRef": true,
+            "isRepo": true,
+            "refName": "main",
+            "workingTree": {
+              "deletions": 0,
+              "files": [],
+              "insertions": 0
+            }
+          },
+          "n": 4,
+          "virtualTimeMs": 0
+        },
+        {
+          "local": {
+            "branchChanges": {
+              "baseRef": "origin/main",
+              "deletions": 0,
               "insertions": 6
             },
             "hasPrimaryRemote": true,
@@ -240,7 +321,7 @@
               "insertions": 0
             }
           },
-          "n": 4,
+          "n": 5,
           "virtualTimeMs": 0
         }
       ],
@@ -545,7 +626,7 @@
       },
       {
         "event": {
-          "_tag": "snapshot",
+          "_tag": "localUpdated",
           "local": {
             "branchChanges": {
               "baseRef": "origin/main",
@@ -561,27 +642,13 @@
               "deletions": 0,
               "files": [],
               "insertions": 0
-            }
-          },
-          "remote": {
-            "aheadCount": 0,
-            "aheadOfDefaultCount": 1,
-            "behindCount": 0,
-            "hasUpstream": true,
-            "pr": {
-              "baseRef": "main",
-              "headRef": "main",
-              "number": 613,
-              "state": "open",
-              "title": "Fixture A",
-              "url": "https://github.com/proof-audit/status-fixture/pull/613"
             }
           }
         },
         "merged": {
           "aheadCount": 0,
           "aheadOfDefaultCount": 1,
-          "behindCount": 0,
+          "behindCount": 2,
           "branchChanges": {
             "baseRef": "origin/main",
             "deletions": 0,
@@ -608,6 +675,55 @@
           }
         },
         "virtualTimeMs": 0
+      },
+      {
+        "event": {
+          "_tag": "remoteUpdated",
+          "remote": {
+            "aheadCount": 0,
+            "aheadOfDefaultCount": 1,
+            "behindCount": 0,
+            "hasUpstream": true,
+            "pr": {
+              "baseRef": "main",
+              "headRef": "main",
+              "number": 613,
+              "state": "open",
+              "title": "Fixture A",
+              "url": "https://github.com/proof-audit/status-fixture/pull/613"
+            }
+          }
+        },
+        "merged": {
+          "aheadCount": 0,
+          "aheadOfDefaultCount": 1,
+          "behindCount": 0,
+          "branchChanges": {
+            "baseRef": "origin/main",
+            "deletions": 0,
+            "insertions": 6
+          },
+          "hasPrimaryRemote": true,
+          "hasUpstream": true,
+          "hasWorkingTreeChanges": false,
+          "isDefaultRef": true,
+          "isRepo": true,
+          "pr": {
+            "baseRef": "main",
+            "headRef": "main",
+            "number": 613,
+            "state": "open",
+            "title": "Fixture A",
+            "url": "https://github.com/proof-audit/status-fixture/pull/613"
+          },
+          "refName": "main",
+          "workingTree": {
+            "deletions": 0,
+            "files": [],
+            "insertions": 0
+          }
+        },
+        "virtualTimeMs": 0
       }
     ]
   }