diff --git a/mobile/rpc-foundation/goldens/host-worktree-actions-pin-open-delete.json b/mobile/rpc-foundation/goldens/host-worktree-actions-pin-open-delete.json
new file mode 100644
index 00000000000..af4b5e6c5cb
--- /dev/null
+++ b/mobile/rpc-foundation/goldens/host-worktree-actions-pin-open-delete.json
@@ -0,0 +1,328 @@
+{
+  "operation": "host.worktree-actions",
+  "family": "host.worktree-actions",
+  "namedDeltas": [],
+  "runnerVersion": 1,
+  "baseline": "c6a72169843ececf3a21da370ac50c5c5a4e6462",
+  "lockfileSha256": "788c1234b38a61fc882fca292341fce6690deee9cc6695673b0575cf2c4cf571",
+  "recorderSha256": "2e90933db32efc17d752cf5d506ecdd9ec54ce53ea30ba55021ea3d1bc1d3fb2",
+  "adapterSha256": "2bc320d05d944b5c47176d4462350c4825e414511af52f7743ec9b6d6ebf93c2",
+  "scenarioSha256": "720add498c79425ca8efc9764fd5d8307fe33bc891842604cfc899f770b79811",
+  "platform": "darwin",
+  "scenarioVersion": 1,
+  "projectionVersion": 2,
+  "goldenFormatVersion": 5,
+  "values": {
+    "04938673cbf5": {
+      "name": "worktree.activate#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.activate"
+        },
+        {
+          "name": "params",
+          "value": {
+            "navigation": "caller",
+            "notifyClients": false,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
+        "status": "fulfilled",
+        "startedAt": 0,
+        "settledAt": 0,
+        "value": {
+          "id": "frame-2",
+          "ok": true,
+          "result": {
+            "ok": true
+          }
+        }
+      }
+    },
+    "0ebfc1859f18": {
+      "name": "pinnedIds",
+      "value": ["wt-1"]
+    },
+    "2b635c2a4fbb": {
+      "name": "worktree.rm#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.rm"
+        },
+        {
+          "name": "params",
+          "value": {
+            "force": true,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
+        "status": "fulfilled",
+        "startedAt": 0,
+        "settledAt": 0,
+        "value": {
+          "id": "frame-3",
+          "ok": true,
+          "result": {
+            "ok": true
+          }
+        }
+      }
+    },
+    "32f21eaae959": {
+      "confirmRemoveHost": false,
+      "lastKnownWorktrees": [
+        {
+          "displayName": "marlin",
+          "isPinned": true,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ],
+      "optimisticActiveWorktreeIdentity": {
+        "$rpc": "null"
+      },
+      "pinnedIds": ["wt-1"],
+      "routeActionState": {},
+      "worktrees": [
+        {
+          "displayName": "marlin",
+          "isPinned": true,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ]
+    },
+    "4caf7515e224": {
+      "name": "worktree.set#1",
+      "json": "{\"id\":\"frame-1\",\"deviceToken\":\"recording-device\",\"method\":\"worktree.set\",\"params\":{\"worktree\":\"id:wt-1\",\"isPinned\":true}}"
+    },
+    "56b6d4fb8c56": {
+      "name": "worktree.set#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.set"
+        },
+        {
+          "name": "params",
+          "value": {
+            "isPinned": true,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
+        "status": "fulfilled",
+        "startedAt": 0,
+        "settledAt": 0,
+        "value": {
+          "id": "frame-1",
+          "ok": true,
+          "result": {
+            "ok": true
+          }
+        }
+      }
+    },
+    "5c186d67b84c": {
+      "name": "lastKnownWorktrees",
+      "value": []
+    },
+    "69d698d4f352": {
+      "name": "worktree.rm#1",
+      "json": "{\"id\":\"frame-3\",\"deviceToken\":\"recording-device\",\"method\":\"worktree.rm\",\"params\":{\"worktree\":\"id:wt-1\",\"force\":true}}"
+    },
+    "6e959a9dd70e": {
+      "confirmRemoveHost": false,
+      "lastKnownWorktrees": [],
+      "optimisticActiveWorktreeIdentity": "|wt-1",
+      "pinnedIds": ["wt-1"],
+      "routeActionState": {},
+      "worktrees": []
+    },
+    "7b87f237a7b6": {
+      "name": "worktrees",
+      "value": [
+        {
+          "displayName": "marlin",
+          "isPinned": true,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ]
+    },
+    "9270aeb7d9c6": {
+      "status": "pending",
+      "startedAt": 0
+    },
+    "b1509905fc66": {
+      "name": "optimisticActiveWorktreeIdentity",
+      "value": "|wt-1"
+    },
+    "ba357321dd85": {
+      "name": "lastKnownWorktrees",
+      "value": [
+        {
+          "displayName": "marlin",
+          "isPinned": true,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ]
+    },
+    "bf2b36bda2d2": {
+      "name": "worktree.set#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.set"
+        },
+        {
+          "name": "params",
+          "value": {
+            "isPinned": true,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
+        "status": "pending",
+        "startedAt": 0
+      }
+    },
+    "c3eecb0c6e96": {
+      "name": "worktree.activate#1",
+      "json": "{\"id\":\"frame-2\",\"deviceToken\":\"recording-device\",\"method\":\"worktree.activate\",\"params\":{\"worktree\":\"id:wt-1\",\"notifyClients\":false,\"navigation\":\"caller\"}}"
+    },
+    "d440bd87d1ce": {
+      "name": "worktrees",
+      "value": []
+    },
+    "e3e3c397a66a": {
+      "name": "worktree.rm#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.rm"
+        },
+        {
+          "name": "params",
+          "value": {
+            "force": true,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
+        "status": "pending",
+        "startedAt": 0
+      }
+    },
+    "eb79a9b3682a": {
+      "status": "fulfilled",
+      "startedAt": 0,
+      "settledAt": 0,
+      "value": {
+        "$rpc": "undefined"
+      }
+    }
+  },
+  "recording": {
+    "scenario": "host-worktree-actions-pin-open-delete",
+    "checkpoints": [
+      {
+        "id": "pin-optimistic",
+        "observation": {
+          "sender": ["bf2b36bda2d2"],
+          "payloads": ["4caf7515e224"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "toggle-pin": "eb79a9b3682a"
+          },
+          "state": "32f21eaae959",
+          "effects": ["7b87f237a7b6", "ba357321dd85", "0ebfc1859f18"]
+        }
+      },
+      {
+        "id": "delete-optimistic",
+        "observation": {
+          "sender": ["56b6d4fb8c56", "04938673cbf5", "e3e3c397a66a"],
+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "toggle-pin": "eb79a9b3682a",
+            "open-session": "eb79a9b3682a",
+            "delete": "9270aeb7d9c6"
+          },
+          "state": "6e959a9dd70e",
+          "effects": [
+            "7b87f237a7b6",
+            "ba357321dd85",
+            "0ebfc1859f18",
+            "b1509905fc66",
+            "d440bd87d1ce",
+            "5c186d67b84c"
+          ]
+        }
+      },
+      {
+        "id": "settled",
+        "observation": {
+          "sender": ["56b6d4fb8c56", "04938673cbf5", "2b635c2a4fbb"],
+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "toggle-pin": "eb79a9b3682a",
+            "open-session": "eb79a9b3682a",
+            "delete": "eb79a9b3682a"
+          },
+          "state": "6e959a9dd70e",
+          "effects": [
+            "7b87f237a7b6",
+            "ba357321dd85",
+            "0ebfc1859f18",
+            "b1509905fc66",
+            "d440bd87d1ce",
+            "5c186d67b84c"
+          ]
+        }
+      }
+    ]
+  }
+}
diff --git a/mobile/rpc-foundation/goldens/host-worktree-delete-refused.json b/mobile/rpc-foundation/goldens/host-worktree-delete-refused.json
new file mode 100644
index 00000000000..a25a5b6896e
--- /dev/null
+++ b/mobile/rpc-foundation/goldens/host-worktree-delete-refused.json
@@ -0,0 +1,189 @@
+{
+  "operation": "host.worktree-actions",
+  "family": "host.worktree-actions",
+  "namedDeltas": [],
+  "runnerVersion": 1,
+  "baseline": "c6a72169843ececf3a21da370ac50c5c5a4e6462",
+  "lockfileSha256": "788c1234b38a61fc882fca292341fce6690deee9cc6695673b0575cf2c4cf571",
+  "recorderSha256": "2e90933db32efc17d752cf5d506ecdd9ec54ce53ea30ba55021ea3d1bc1d3fb2",
+  "adapterSha256": "2bc320d05d944b5c47176d4462350c4825e414511af52f7743ec9b6d6ebf93c2",
+  "scenarioSha256": "5dd5e7eabaabba1e471b13958f59891c3b28f553087c96315598c83a14ded7e7",
+  "platform": "darwin",
+  "scenarioVersion": 1,
+  "projectionVersion": 2,
+  "goldenFormatVersion": 5,
+  "values": {
+    "3fd02e693647": {
+      "name": "worktree.rm#1",
+      "json": "{\"id\":\"frame-1\",\"deviceToken\":\"recording-device\",\"method\":\"worktree.rm\",\"params\":{\"worktree\":\"id:wt-1\",\"force\":true}}"
+    },
+    "5c186d67b84c": {
+      "name": "lastKnownWorktrees",
+      "value": []
+    },
+    "8056533b940f": {
+      "confirmRemoveHost": false,
+      "lastKnownWorktrees": [],
+      "optimisticActiveWorktreeIdentity": {
+        "$rpc": "null"
+      },
+      "pinnedIds": [],
+      "routeActionState": {},
+      "worktrees": []
+    },
+    "9270aeb7d9c6": {
+      "status": "pending",
+      "startedAt": 0
+    },
+    "b569ed5b8bd2": {
+      "name": "worktrees",
+      "value": [
+        {
+          "displayName": "marlin",
+          "isPinned": false,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ]
+    },
+    "b92861217ed8": {
+      "name": "lastKnownWorktrees",
+      "value": [
+        {
+          "displayName": "marlin",
+          "isPinned": false,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ]
+    },
+    "d440bd87d1ce": {
+      "name": "worktrees",
+      "value": []
+    },
+    "e3e3c397a66a": {
+      "name": "worktree.rm#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.rm"
+        },
+        {
+          "name": "params",
+          "value": {
+            "force": true,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
+        "status": "pending",
+        "startedAt": 0
+      }
+    },
+    "e97d1f006b72": {
+      "name": "worktree.rm#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.rm"
+        },
+        {
+          "name": "params",
+          "value": {
+            "force": true,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
+        "status": "fulfilled",
+        "startedAt": 0,
+        "settledAt": 0,
+        "value": {
+          "error": {
+            "code": "worktree_busy",
+            "message": "Worktree is busy"
+          },
+          "id": "frame-1",
+          "ok": false
+        }
+      }
+    },
+    "eb79a9b3682a": {
+      "status": "fulfilled",
+      "startedAt": 0,
+      "settledAt": 0,
+      "value": {
+        "$rpc": "undefined"
+      }
+    },
+    "f48071bb2e8c": {
+      "confirmRemoveHost": false,
+      "lastKnownWorktrees": [
+        {
+          "displayName": "marlin",
+          "isPinned": false,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ],
+      "optimisticActiveWorktreeIdentity": {
+        "$rpc": "null"
+      },
+      "pinnedIds": [],
+      "routeActionState": {},
+      "worktrees": [
+        {
+          "displayName": "marlin",
+          "isPinned": false,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ]
+    }
+  },
+  "recording": {
+    "scenario": "host-worktree-delete-refused",
+    "checkpoints": [
+      {
+        "id": "delete-optimistic",
+        "observation": {
+          "sender": ["e3e3c397a66a"],
+          "payloads": ["3fd02e693647"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "delete": "9270aeb7d9c6"
+          },
+          "state": "8056533b940f",
+          "effects": ["d440bd87d1ce", "5c186d67b84c"]
+        }
+      },
+      {
+        "id": "restored",
+        "observation": {
+          "sender": ["e97d1f006b72"],
+          "payloads": ["3fd02e693647"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "delete": "eb79a9b3682a"
+          },
+          "state": "f48071bb2e8c",
+          "effects": ["d440bd87d1ce", "5c186d67b84c", "b569ed5b8bd2", "b92861217ed8"]
+        }
+      }
+    ]
+  }
+}
diff --git a/mobile/rpc-foundation/goldens/matrix-host.worktree-actions-worktree.activate-1.json b/mobile/rpc-foundation/goldens/matrix-host.worktree-actions-worktree.activate-1.json
new file mode 100644
index 00000000000..644b333b216
--- /dev/null
+++ b/mobile/rpc-foundation/goldens/matrix-host.worktree-actions-worktree.activate-1.json
@@ -0,0 +1,1118 @@
+{
+  "operation": "host.worktree-actions",
+  "family": "host.worktree-actions",
+  "namedDeltas": [],
+  "runnerVersion": 1,
+  "baseline": "c6a72169843ececf3a21da370ac50c5c5a4e6462",
+  "lockfileSha256": "788c1234b38a61fc882fca292341fce6690deee9cc6695673b0575cf2c4cf571",
+  "recorderSha256": "2e90933db32efc17d752cf5d506ecdd9ec54ce53ea30ba55021ea3d1bc1d3fb2",
+  "adapterSha256": "2bc320d05d944b5c47176d4462350c4825e414511af52f7743ec9b6d6ebf93c2",
+  "scenarioSha256": "7e842584620018d5ec5560711d63a472302e8da80cfe65dfcd2952aebb509af2",
+  "platform": "darwin",
+  "scenarioVersion": 1,
+  "projectionVersion": 2,
+  "goldenFormatVersion": 5,
+  "values": {
+    "04938673cbf5": {
+      "name": "worktree.activate#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.activate"
+        },
+        {
+          "name": "params",
+          "value": {
+            "navigation": "caller",
+            "notifyClients": false,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
+        "status": "fulfilled",
+        "startedAt": 0,
+        "settledAt": 0,
+        "value": {
+          "id": "frame-2",
+          "ok": true,
+          "result": {
+            "ok": true
+          }
+        }
+      }
+    },
+    "0ebfc1859f18": {
+      "name": "pinnedIds",
+      "value": ["wt-1"]
+    },
+    "2b635c2a4fbb": {
+      "name": "worktree.rm#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.rm"
+        },
+        {
+          "name": "params",
+          "value": {
+            "force": true,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
+        "status": "fulfilled",
+        "startedAt": 0,
+        "settledAt": 0,
+        "value": {
+          "id": "frame-3",
+          "ok": true,
+          "result": {
+            "ok": true
+          }
+        }
+      }
+    },
+    "2d7fff77e4e1": {
+      "name": "worktree.activate#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.activate"
+        },
+        {
+          "name": "params",
+          "value": {
+            "navigation": "caller",
+            "notifyClients": false,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
+        "status": "rejected",
+        "startedAt": 0,
+        "settledAt": 0,
+        "error": {
+          "category": "Error",
+          "message": "transport failure",
+          "isRpcDeliveryUnknown": true
+        }
+      }
+    },
+    "2d8ad3ab13bb": {
+      "name": "worktree.activate#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.activate"
+        },
+        {
+          "name": "params",
+          "value": {
+            "navigation": "caller",
+            "notifyClients": false,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
+        "status": "fulfilled",
+        "startedAt": 0,
+        "settledAt": 0,
+        "value": {
+          "id": "frame-2",
+          "ok": true
+        }
+      }
+    },
+    "2eb4a9090f6f": {
+      "name": "worktree.activate#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.activate"
+        },
+        {
+          "name": "params",
+          "value": {
+            "navigation": "caller",
+            "notifyClients": false,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
+        "status": "fulfilled",
+        "startedAt": 0,
+        "settledAt": 0,
+        "value": {
+          "id": "frame-2",
+          "ok": true,
+          "result": {
+            "error": "refused"
+          }
+        }
+      }
+    },
+    "32f21eaae959": {
+      "confirmRemoveHost": false,
+      "lastKnownWorktrees": [
+        {
+          "displayName": "marlin",
+          "isPinned": true,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ],
+      "optimisticActiveWorktreeIdentity": {
+        "$rpc": "null"
+      },
+      "pinnedIds": ["wt-1"],
+      "routeActionState": {},
+      "worktrees": [
+        {
+          "displayName": "marlin",
+          "isPinned": true,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ]
+    },
+    "403256b7ebef": {
+      "name": "worktree.activate#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.activate"
+        },
+        {
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+            "toggle-pin": "eb79a9b3682a",
+            "open-session": "eb79a9b3682a",
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+      {
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+        "observation": {
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+            "open-session": "eb79a9b3682a",
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+      },
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+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
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+            "toggle-pin": "eb79a9b3682a",
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+            "delete": "eb79a9b3682a"
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+            "ba357321dd85",
+            "0ebfc1859f18",
+            "b1509905fc66",
+            "d440bd87d1ce",
+            "5c186d67b84c"
+          ]
+        }
+      },
+      {
+        "id": "host-worktree-actions-pin-open-delete.method-not-found:delete-optimistic",
+        "observation": {
+          "sender": ["56b6d4fb8c56", "f7f6b21128d9", "e3e3c397a66a"],
+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
+          "settlements": {
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+            "toggle-pin": "eb79a9b3682a",
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+        }
+      },
+      {
+        "id": "host-worktree-actions-pin-open-delete.transport-rejection:delete-optimistic",
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+      },
+      {
+        "id": "host-worktree-actions-pin-open-delete.transport-rejection:settled",
+        "observation": {
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+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "toggle-pin": "eb79a9b3682a",
+            "open-session": "eb79a9b3682a",
+            "delete": "eb79a9b3682a"
+          },
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+            "0ebfc1859f18",
+            "b1509905fc66",
+            "d440bd87d1ce",
+            "5c186d67b84c"
+          ]
+        }
+      },
+      {
+        "id": "host-worktree-actions-pin-open-delete.transport-rejection-no-message:delete-optimistic",
+        "observation": {
+          "sender": ["56b6d4fb8c56", "a0393e57105c", "e3e3c397a66a"],
+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
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+      {
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+        "observation": {
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+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
+          "settlements": {
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+            "toggle-pin": "eb79a9b3682a",
+            "open-session": "eb79a9b3682a",
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+            "d440bd87d1ce",
+            "5c186d67b84c"
+          ]
+        }
+      }
+    ]
+  }
+}
diff --git a/mobile/rpc-foundation/goldens/matrix-host.worktree-actions-worktree.rm-1.json b/mobile/rpc-foundation/goldens/matrix-host.worktree-actions-worktree.rm-1.json
new file mode 100644
index 00000000000..9c5bd2e94cd
--- /dev/null
+++ b/mobile/rpc-foundation/goldens/matrix-host.worktree-actions-worktree.rm-1.json
@@ -0,0 +1,998 @@
+{
+  "operation": "host.worktree-actions",
+  "family": "host.worktree-actions",
+  "namedDeltas": [],
+  "runnerVersion": 1,
+  "baseline": "c6a72169843ececf3a21da370ac50c5c5a4e6462",
+  "lockfileSha256": "788c1234b38a61fc882fca292341fce6690deee9cc6695673b0575cf2c4cf571",
+  "recorderSha256": "2e90933db32efc17d752cf5d506ecdd9ec54ce53ea30ba55021ea3d1bc1d3fb2",
+  "adapterSha256": "2bc320d05d944b5c47176d4462350c4825e414511af52f7743ec9b6d6ebf93c2",
+  "scenarioSha256": "c47656a4ca21762e4b5a247ddf9a96efb746bec81e942ffa308a774bab1449e2",
+  "platform": "darwin",
+  "scenarioVersion": 1,
+  "projectionVersion": 2,
+  "goldenFormatVersion": 5,
+  "values": {
+    "04938673cbf5": {
+      "name": "worktree.activate#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.activate"
+        },
+        {
+          "name": "params",
+          "value": {
+            "navigation": "caller",
+            "notifyClients": false,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
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+        "settledAt": 0,
+        "value": {
+          "id": "frame-2",
+          "ok": true,
+          "result": {
+            "ok": true
+          }
+        }
+      }
+    },
+    "0ebfc1859f18": {
+      "name": "pinnedIds",
+      "value": ["wt-1"]
+    },
+    "11e971c034ae": {
+      "name": "worktree.rm#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.rm"
+        },
+        {
+          "name": "params",
+          "value": {
+            "force": true,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
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+          }
+        }
+      }
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+    "2b635c2a4fbb": {
+      "name": "worktree.rm#1",
+      "args": [
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+          "name": "method",
+          "value": "worktree.rm"
+        },
+        {
+          "name": "params",
+          "value": {
+            "force": true,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
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+          }
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+        "value": {
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+          }
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+      }
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+      "name": "worktree.rm#1",
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+          "name": "method",
+          "value": "worktree.rm"
+        },
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+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
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+      ],
+      "settlement": {
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+        "startedAt": 0,
+        "settledAt": 0,
+        "value": {
+          "error": {
+            "code": "refused",
+            "message": ""
+          },
+          "id": "frame-3",
+          "ok": false
+        }
+      }
+    },
+    "32f21eaae959": {
+      "confirmRemoveHost": false,
+      "lastKnownWorktrees": [
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+          "isPinned": true,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ],
+      "optimisticActiveWorktreeIdentity": {
+        "$rpc": "null"
+      },
+      "pinnedIds": ["wt-1"],
+      "routeActionState": {},
+      "worktrees": [
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+          "displayName": "marlin",
+          "isPinned": true,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ]
+    },
+    "4caf7515e224": {
+      "name": "worktree.set#1",
+      "json": "{\"id\":\"frame-1\",\"deviceToken\":\"recording-device\",\"method\":\"worktree.set\",\"params\":{\"worktree\":\"id:wt-1\",\"isPinned\":true}}"
+    },
+    "4f1b109adcc0": {
+      "name": "worktree.rm#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.rm"
+        },
+        {
+          "name": "params",
+          "value": {
+            "force": true,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
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+        "value": {
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+          "ok": true,
+          "result": {
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+            "ok": false
+          }
+        }
+      }
+    },
+    "56b6d4fb8c56": {
+      "name": "worktree.set#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.set"
+        },
+        {
+          "name": "params",
+          "value": {
+            "isPinned": true,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
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+        "value": {
+          "id": "frame-1",
+          "ok": true,
+          "result": {
+            "ok": true
+          }
+        }
+      }
+    },
+    "5c186d67b84c": {
+      "name": "lastKnownWorktrees",
+      "value": []
+    },
+    "60cb8c68db7d": {
+      "name": "worktree.rm#1",
+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.rm"
+        },
+        {
+          "name": "params",
+          "value": {
+            "force": true,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
+      ],
+      "settlement": {
+        "status": "rejected",
+        "startedAt": 0,
+        "settledAt": 0,
+        "error": {
+          "category": "Error",
+          "message": "Connection closed",
+          "isRpcDeliveryUnknown": true
+        }
+      }
+    },
+    "69d698d4f352": {
+      "name": "worktree.rm#1",
+      "json": "{\"id\":\"frame-3\",\"deviceToken\":\"recording-device\",\"method\":\"worktree.rm\",\"params\":{\"worktree\":\"id:wt-1\",\"force\":true}}"
+    },
+    "6e959a9dd70e": {
+      "confirmRemoveHost": false,
+      "lastKnownWorktrees": [],
+      "optimisticActiveWorktreeIdentity": "|wt-1",
+      "pinnedIds": ["wt-1"],
+      "routeActionState": {},
+      "worktrees": []
+    },
+    "7b87f237a7b6": {
+      "name": "worktrees",
+      "value": [
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+          "displayName": "marlin",
+          "isPinned": true,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ]
+    },
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+          }
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+        },
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+            "worktree": "id:wt-1"
+          }
+        },
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+          "ok": true
+        }
+      }
+    },
+    "b1509905fc66": {
+      "name": "optimisticActiveWorktreeIdentity",
+      "value": "|wt-1"
+    },
+    "b569ed5b8bd2": {
+      "name": "worktrees",
+      "value": [
+        {
+          "displayName": "marlin",
+          "isPinned": false,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ]
+    },
+    "b92861217ed8": {
+      "name": "lastKnownWorktrees",
+      "value": [
+        {
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+          "isPinned": false,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
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+    },
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+          "worktreeId": "wt-1"
+        }
+      ]
+    },
+    "bf2b36bda2d2": {
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+      "args": [
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+          "name": "method",
+          "value": "worktree.set"
+        },
+        {
+          "name": "params",
+          "value": {
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+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
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+    },
+    "c3eecb0c6e96": {
+      "name": "worktree.activate#1",
+      "json": "{\"id\":\"frame-2\",\"deviceToken\":\"recording-device\",\"method\":\"worktree.activate\",\"params\":{\"worktree\":\"id:wt-1\",\"notifyClients\":false,\"navigation\":\"caller\"}}"
+    },
+    "ce97d2eedacb": {
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+      "args": [
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+          "value": "worktree.rm"
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+            "worktree": "id:wt-1"
+          }
+        },
+        {
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+          "value": {
+            "$rpc": "absent"
+          }
+        }
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+      }
+    ]
+  }
+}
diff --git a/mobile/rpc-foundation/goldens/matrix-host.worktree-actions-worktree.set-1.json b/mobile/rpc-foundation/goldens/matrix-host.worktree-actions-worktree.set-1.json
new file mode 100644
index 00000000000..421721000d5
--- /dev/null
+++ b/mobile/rpc-foundation/goldens/matrix-host.worktree-actions-worktree.set-1.json
@@ -0,0 +1,1108 @@
+{
+  "operation": "host.worktree-actions",
+  "family": "host.worktree-actions",
+  "namedDeltas": [],
+  "runnerVersion": 1,
+  "baseline": "c6a72169843ececf3a21da370ac50c5c5a4e6462",
+  "lockfileSha256": "788c1234b38a61fc882fca292341fce6690deee9cc6695673b0575cf2c4cf571",
+  "recorderSha256": "2e90933db32efc17d752cf5d506ecdd9ec54ce53ea30ba55021ea3d1bc1d3fb2",
+  "adapterSha256": "2bc320d05d944b5c47176d4462350c4825e414511af52f7743ec9b6d6ebf93c2",
+  "scenarioSha256": "054f1b1380fc6cfd4b0f4a85d6f143822a12a0a732d550dd85eef64a6556b3ba",
+  "platform": "darwin",
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+  "projectionVersion": 2,
+  "goldenFormatVersion": 5,
+  "values": {
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+      "args": [
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+          "value": "worktree.activate"
+        },
+        {
+          "name": "params",
+          "value": {
+            "navigation": "caller",
+            "notifyClients": false,
+            "worktree": "id:wt-1"
+          }
+        },
+        {
+          "name": "options",
+          "value": {
+            "$rpc": "absent"
+          }
+        }
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+        "value": {
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+          "result": {
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+          }
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+      }
+    },
+    "0ebfc1859f18": {
+      "name": "pinnedIds",
+      "value": ["wt-1"]
+    },
+    "1266cec86f6a": {
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+      "args": [
+        {
+          "name": "method",
+          "value": "worktree.set"
+        },
+        {
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+          "value": {
+            "isPinned": true,
+            "worktree": "id:wt-1"
+          }
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+        {
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+      ],
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+        }
+      }
+    },
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+            "worktree": "id:wt-1"
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+          "value": "worktree.rm"
+        },
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+          "value": {
+            "force": true,
+            "worktree": "id:wt-1"
+          }
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+          "value": {
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+          "result": {
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+      "lastKnownWorktrees": [
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+          "displayName": "marlin",
+          "isPinned": true,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ],
+      "optimisticActiveWorktreeIdentity": {
+        "$rpc": "null"
+      },
+      "pinnedIds": ["wt-1"],
+      "routeActionState": {},
+      "worktrees": [
+        {
+          "displayName": "marlin",
+          "isPinned": true,
+          "repo": "repo-1",
+          "worktreeId": "wt-1"
+        }
+      ]
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+      "args": [
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+          "value": "worktree.set"
+        },
+        {
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+          "value": {
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+            "worktree": "id:wt-1"
+          }
+        },
+        {
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+          "value": {
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+          }
+        }
+      ],
+      "settlement": {
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+        "value": {
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+            "message": "outer refused"
+          },
+          "id": "frame-1",
+          "ok": false
+        }
+      }
+    },
+    "4caf7515e224": {
+      "name": "worktree.set#1",
+      "json": "{\"id\":\"frame-1\",\"deviceToken\":\"recording-device\",\"method\":\"worktree.set\",\"params\":{\"worktree\":\"id:wt-1\",\"isPinned\":true}}"
+    },
+    "55d53d27027d": {
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+          "value": "worktree.set"
+        },
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+      },
+      {
+        "id": "host-worktree-actions-pin-open-delete.outer-refused-no-message:delete-optimistic",
+        "observation": {
+          "sender": ["6307d17334bd", "04938673cbf5", "e3e3c397a66a"],
+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "toggle-pin": "eb79a9b3682a",
+            "open-session": "eb79a9b3682a",
+            "delete": "9270aeb7d9c6"
+          },
+          "state": "6e959a9dd70e",
+          "effects": [
+            "7b87f237a7b6",
+            "ba357321dd85",
+            "0ebfc1859f18",
+            "b1509905fc66",
+            "d440bd87d1ce",
+            "5c186d67b84c"
+          ]
+        }
+      },
+      {
+        "id": "host-worktree-actions-pin-open-delete.outer-refused-no-message:settled",
+        "observation": {
+          "sender": ["6307d17334bd", "04938673cbf5", "2b635c2a4fbb"],
+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "toggle-pin": "eb79a9b3682a",
+            "open-session": "eb79a9b3682a",
+            "delete": "eb79a9b3682a"
+          },
+          "state": "6e959a9dd70e",
+          "effects": [
+            "7b87f237a7b6",
+            "ba357321dd85",
+            "0ebfc1859f18",
+            "b1509905fc66",
+            "d440bd87d1ce",
+            "5c186d67b84c"
+          ]
+        }
+      },
+      {
+        "id": "host-worktree-actions-pin-open-delete.method-not-found:delete-optimistic",
+        "observation": {
+          "sender": ["ba44a37bda16", "04938673cbf5", "e3e3c397a66a"],
+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "toggle-pin": "eb79a9b3682a",
+            "open-session": "eb79a9b3682a",
+            "delete": "9270aeb7d9c6"
+          },
+          "state": "6e959a9dd70e",
+          "effects": [
+            "7b87f237a7b6",
+            "ba357321dd85",
+            "0ebfc1859f18",
+            "b1509905fc66",
+            "d440bd87d1ce",
+            "5c186d67b84c"
+          ]
+        }
+      },
+      {
+        "id": "host-worktree-actions-pin-open-delete.method-not-found:settled",
+        "observation": {
+          "sender": ["ba44a37bda16", "04938673cbf5", "2b635c2a4fbb"],
+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "toggle-pin": "eb79a9b3682a",
+            "open-session": "eb79a9b3682a",
+            "delete": "eb79a9b3682a"
+          },
+          "state": "6e959a9dd70e",
+          "effects": [
+            "7b87f237a7b6",
+            "ba357321dd85",
+            "0ebfc1859f18",
+            "b1509905fc66",
+            "d440bd87d1ce",
+            "5c186d67b84c"
+          ]
+        }
+      },
+      {
+        "id": "host-worktree-actions-pin-open-delete.transport-rejection:delete-optimistic",
+        "observation": {
+          "sender": ["1266cec86f6a", "04938673cbf5", "e3e3c397a66a"],
+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "toggle-pin": "eb79a9b3682a",
+            "open-session": "eb79a9b3682a",
+            "delete": "9270aeb7d9c6"
+          },
+          "state": "6e959a9dd70e",
+          "effects": [
+            "7b87f237a7b6",
+            "ba357321dd85",
+            "0ebfc1859f18",
+            "b1509905fc66",
+            "d440bd87d1ce",
+            "5c186d67b84c"
+          ]
+        }
+      },
+      {
+        "id": "host-worktree-actions-pin-open-delete.transport-rejection:settled",
+        "observation": {
+          "sender": ["1266cec86f6a", "04938673cbf5", "2b635c2a4fbb"],
+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "toggle-pin": "eb79a9b3682a",
+            "open-session": "eb79a9b3682a",
+            "delete": "eb79a9b3682a"
+          },
+          "state": "6e959a9dd70e",
+          "effects": [
+            "7b87f237a7b6",
+            "ba357321dd85",
+            "0ebfc1859f18",
+            "b1509905fc66",
+            "d440bd87d1ce",
+            "5c186d67b84c"
+          ]
+        }
+      },
+      {
+        "id": "host-worktree-actions-pin-open-delete.transport-rejection-no-message:delete-optimistic",
+        "observation": {
+          "sender": ["f1b199e21211", "04938673cbf5", "e3e3c397a66a"],
+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "toggle-pin": "eb79a9b3682a",
+            "open-session": "eb79a9b3682a",
+            "delete": "9270aeb7d9c6"
+          },
+          "state": "6e959a9dd70e",
+          "effects": [
+            "7b87f237a7b6",
+            "ba357321dd85",
+            "0ebfc1859f18",
+            "b1509905fc66",
+            "d440bd87d1ce",
+            "5c186d67b84c"
+          ]
+        }
+      },
+      {
+        "id": "host-worktree-actions-pin-open-delete.transport-rejection-no-message:settled",
+        "observation": {
+          "sender": ["f1b199e21211", "04938673cbf5", "2b635c2a4fbb"],
+          "payloads": ["4caf7515e224", "c3eecb0c6e96", "69d698d4f352"],
+          "settlements": {
+            "mount": "eb79a9b3682a",
+            "toggle-pin": "eb79a9b3682a",
+            "open-session": "eb79a9b3682a",
+            "delete": "eb79a9b3682a"
+          },
+          "state": "6e959a9dd70e",
+          "effects": [
+            "7b87f237a7b6",
+            "ba357321dd85",
+            "0ebfc1859f18",
+            "b1509905fc66",
+            "d440bd87d1ce",
+            "5c186d67b84c"
+          ]
+        }
+      }
+    ]
+  }
+}
diff --git a/mobile/rpc-foundation/pilot-scenarios.json b/mobile/rpc-foundation/pilot-scenarios.json
index d1125bc6a9d..ab58e1425ff 100644
--- a/mobile/rpc-foundation/pilot-scenarios.json
+++ b/mobile/rpc-foundation/pilot-scenarios.json
@@ -7615,6 +7615,119 @@
           "checkpoint": "settled"
         }
       ]
+    },
+    {
+      "id": "host-worktree-actions-pin-open-delete",
+      "operation": "host.worktree-actions",
+      "version": 1,
+      "family": "host.worktree-actions",
+      "sites": ["mobile/src/host-screen/use-host-worktree-actions.ts"],
+      "schedules": [],
+      "steps": [
+        {
+          "action": "mount",
+          "id": "mount"
+        },
+        {
+          "action": "toggle-pin",
+          "id": "toggle-pin"
+        },
+        {
+          "checkpoint": "pin-optimistic"
+        },
+        {
+          "complete": "worktree.set#1",
+          "params": {
+            "worktree": "id:wt-1",
+            "isPinned": true
+          },
+          "reply": {
+            "ok": true,
+            "result": {
+              "ok": true
+            }
+          }
+        },
+        {
+          "action": "open-session",
+          "id": "open-session"
+        },
+        {
+          "complete": "worktree.activate#1",
+          "params": {
+            "worktree": "id:wt-1",
+            "notifyClients": false,
+            "navigation": "caller"
+          },
+          "reply": {
+            "ok": true,
+            "result": {
+              "ok": true
+            }
+          }
+        },
+        {
+          "action": "delete",
+          "id": "delete"
+        },
+        {
+          "checkpoint": "delete-optimistic"
+        },
+        {
+          "complete": "worktree.rm#1",
+          "params": {
+            "worktree": "id:wt-1",
+            "force": true
+          },
+          "reply": {
+            "ok": true,
+            "result": {
+              "ok": true
+            }
+          }
+        },
+        {
+          "checkpoint": "settled"
+        }
+      ]
+    },
+    {
+      "id": "host-worktree-delete-refused",
+      "operation": "host.worktree-actions",
+      "version": 1,
+      "family": "host.worktree-actions",
+      "sites": ["mobile/src/host-screen/use-host-worktree-actions.ts"],
+      "schedules": [],
+      "steps": [
+        {
+          "action": "mount",
+          "id": "mount"
+        },
+        {
+          "action": "delete",
+          "id": "delete"
+        },
+        {
+          "checkpoint": "delete-optimistic"
+        },
+        {
+          "complete": "worktree.rm#1",
+          "params": {
+            "worktree": "id:wt-1",
+            "force": true
+          },
+          "reply": {
+            "ok": false,
+            "error": {
+              "code": "worktree_busy",
+              "message": "Worktree is busy"
+            }
+          }
+        },
+        {
+          "checkpoint": "restored"
+        }
+      ]
     }
   ]
 }
diff --git a/mobile/src/test-support/rpc-recording/adapters/host-worktree-action-mount-adapters.ts b/mobile/src/test-support/rpc-recording/adapters/host-worktree-action-mount-adapters.ts
new file mode 100644
index 00000000000..1c6e1167af6
--- /dev/null
+++ b/mobile/src/test-support/rpc-recording/adapters/host-worktree-action-mount-adapters.ts
@@ -0,0 +1,77 @@
+import type { MountAdapter } from '../recording-scenario'
+import { hookMount, performHookAction } from '../hook-mount'
+import { observableModel, projectObservable } from '../observable-model'
+import type { operationModuleLoader } from '../operation-module-loader'
+
+const ROW = { worktreeId: 'wt-1', displayName: 'marlin', repo: 'repo-1', isPinned: false }
+
+/**
+ * The host screen's three worktree mutations: pin, delete and open.
+ *
+ * Mounted with no hostId, which is the only thing that keeps the hook off native storage: the
+ * pinned-id write is the sole native call and it sits behind `if (hostId)`.
+ */
+export function hostWorktreeActionMountAdapters(
+  modules: ReturnType<typeof operationModuleLoader>
+): Record<string, MountAdapter> {
+  return {
+    'host.worktree-actions': (context) => {
+      const useActions = modules.load<
+        typeof import('../../../host-screen/use-host-worktree-actions')
+      >('mobile/src/host-screen/use-host-worktree-actions.ts').useHostWorktreeActions
+      const state = observableModel(context, {
+        newWorktreeModalRef: { current: null },
+        newWorktreeModalVisibleRef: { current: false },
+        pinnedIds: new Set<string>(),
+        worktrees: [ROW],
+        lastKnownWorktrees: [ROW],
+        confirmRemoveHost: false,
+        optimisticActiveWorktreeIdentity: null,
+        routeActionState: {}
+      })
+      let actions: ReturnType<typeof useActions>
+      const hook = hookMount(() => {
+        actions = useActions({
+          client: context.client,
+          connState: 'connected',
+          embedded: false,
+          fetchWorktrees: async () => {},
+          // oxlint-disable-next-line typescript/consistent-type-assertions -- SAFETY: the hook only forwards this to host removal, which no scenario drives.
+          forgetHostClient: (() => {}) as unknown as Parameters<
+            typeof useActions
+          >[0]['forgetHostClient'],
+          hostId: undefined,
+          pathname: '/h/host-1',
+          // oxlint-disable-next-line typescript/consistent-type-assertions -- SAFETY: navigation is observed through the recorded sends, not the router.
+          router: { push: () => {}, replace: () => {} } as unknown as Parameters<
+            typeof useActions
+          >[0]['router'],
+          // oxlint-disable-next-line typescript/consistent-type-assertions -- SAFETY: the recorder supplies only the members the hook reads.
+          state: state as unknown as Parameters<typeof useActions>[0]['state']
+        })
+      })
+      return {
+        action(name) {
+          if (name === 'mount') {
+            return hook.mount()
+          }
+          if (name === 'toggle-pin') {
+            return performHookAction(() => actions.togglePin(ROW.worktreeId))
+          }
+          if (name === 'delete') {
+            return performHookAction(() => actions.handleDeleteWorktree(ROW))
+          }
+          if (name === 'open-session') {
+            return performHookAction(() => actions.openWorktreeSession(ROW))
+          }
+          throw new Error(`Unknown worktree action: ${name}`)
+        },
+        state: () =>
+          projectObservable(
+            Object.fromEntries(Object.entries(state).filter(([key]) => !key.endsWith('Ref')))
+          ),
+        dispose: hook.unmount
+      }
+    }
+  }
+}
diff --git a/mobile/src/test-support/rpc-recording/adapters/mounted-operation-modules.ts b/mobile/src/test-support/rpc-recording/adapters/mounted-operation-modules.ts
index 511f6c45ba3..516e941eaef 100644
--- a/mobile/src/test-support/rpc-recording/adapters/mounted-operation-modules.ts
+++ b/mobile/src/test-support/rpc-recording/adapters/mounted-operation-modules.ts
@@ -1,6 +1,7 @@
 import { fileInventoryMountAdapters } from './file-inventory-mount-adapters'
 import { fileRequestMountAdapters } from './file-request-mount-adapters'
 import { hostScreenMountAdapters } from './host-screen-mount-adapters'
+import { hostWorktreeActionMountAdapters } from './host-worktree-action-mount-adapters'
 import { hostedReviewMountAdapters } from './hosted-review-mount-adapters'
 import { newTabAgentMountAdapters } from './new-tab-agent-mount-adapters'
 import { newWorkspaceMountAdapters } from './new-workspace-mount-adapters'
@@ -22,6 +23,10 @@ export const MOUNTED_OPERATION_MODULES: readonly MountedOperationModule[] = [
   { source: 'file-inventory-mount-adapters.ts', mounts: fileInventoryMountAdapters },
   { source: 'file-request-mount-adapters.ts', mounts: fileRequestMountAdapters },
   { source: 'host-screen-mount-adapters.ts', mounts: hostScreenMountAdapters },
+  {
+    source: 'host-worktree-action-mount-adapters.ts',
+    mounts: hostWorktreeActionMountAdapters
+  },
   { source: 'hosted-review-mount-adapters.ts', mounts: hostedReviewMountAdapters },
   { source: 'new-tab-agent-mount-adapters.ts', mounts: newTabAgentMountAdapters },
   { source: 'new-workspace-mount-adapters.ts', mounts: newWorkspaceMountAdapters },