Plumb compaction counts to TUI clients

codex-rs/app-server-protocol/schema/json/ServerNotification.json

@@ -5115,6 +5115,13 @@
         },
         "turnId": {
           "type": "string"
+        },
+        "windowNumber": {
+          "default": 0,
+          "description": "Current context-window generation. This starts at zero and advances after compaction.",
+          "format": "uint64",
+          "minimum": 0.0,
+          "type": "integer"
         }
       },
       "required": [

codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json

@@ -19821,6 +19821,13 @@
           },
           "turnId": {
             "type": "string"
+          },
+          "windowNumber": {
+            "default": 0,
+            "description": "Current context-window generation. This starts at zero and advances after compaction.",
+            "format": "uint64",
+            "minimum": 0.0,
+            "type": "integer"
           }
         },
         "required": [

codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.v2.schemas.json

@@ -17600,6 +17600,13 @@
         },
         "turnId": {
           "type": "string"
+        },
+        "windowNumber": {
+          "default": 0,
+          "description": "Current context-window generation. This starts at zero and advances after compaction.",
+          "format": "uint64",
+          "minimum": 0.0,
+          "type": "integer"
         }
       },
       "required": [

codex-rs/app-server-protocol/schema/json/v2/ThreadTokenUsageUpdatedNotification.json

@@ -65,6 +65,13 @@
     },
     "turnId": {
       "type": "string"
+    },
+    "windowNumber": {
+      "default": 0,
+      "description": "Current context-window generation. This starts at zero and advances after compaction.",
+      "format": "uint64",
+      "minimum": 0.0,
+      "type": "integer"
     }
   },
   "required": [

codex-rs/app-server-protocol/schema/typescript/v2/ThreadTokenUsageUpdatedNotification.ts

@@ -3,4 +3,8 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 import type { ThreadTokenUsage } from "./ThreadTokenUsage";
 
-export type ThreadTokenUsageUpdatedNotification = { threadId: string, turnId: string, tokenUsage: ThreadTokenUsage, };
+export type ThreadTokenUsageUpdatedNotification = { threadId: string, turnId: string, tokenUsage: ThreadTokenUsage,
+/**
+ * Current context-window generation. This starts at zero and advances after compaction.
+ */
+windowNumber: number, };

codex-rs/app-server-protocol/src/protocol/v2/thread.rs

@@ -1373,6 +1373,10 @@ pub struct ThreadTokenUsageUpdatedNotification {
     pub thread_id: String,
     pub turn_id: String,
     pub token_usage: ThreadTokenUsage,
+    /// Current context-window generation. This starts at zero and advances after compaction.
+    #[serde(default)]
+    #[ts(type = "number")]
+    pub window_number: u64,
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]