schemas: allow *CLOSED* state in channel_state_changed notification.

Signed-off-by: Rusty Russell <[email protected]>

Author: rustyrussell

contrib/msggen/msggen/schema.json

@@ -37731,10 +37731,12 @@
               "DUALOPEND_AWAITING_LOCKIN",
               "CHANNELD_AWAITING_SPLICE",
               "DUALOPEND_OPEN_COMMITTED",
-              "DUALOPEND_OPEN_COMMIT_READY"
+              "DUALOPEND_OPEN_COMMIT_READY",
+              "CLOSED"
             ],
             "description": [
-              "The channel state, in particular \"CHANNELD_NORMAL\" and \"CHANNELD_AWAITING_SPLICE\" mean the channel can be used normally"
+              "The channel state, in particular \"CHANNELD_NORMAL\" and \"CHANNELD_AWAITING_SPLICE\" mean the channel can be used normally",
+              "Note: *CLOSED* state was only added in v25.12."
             ],
             "added": "pre-v0.10.1"
           },

doc/schemas/notification/channel_state_changed.json

@@ -87,10 +87,12 @@
           "DUALOPEND_AWAITING_LOCKIN",
           "CHANNELD_AWAITING_SPLICE",
           "DUALOPEND_OPEN_COMMITTED",
-          "DUALOPEND_OPEN_COMMIT_READY"
+          "DUALOPEND_OPEN_COMMIT_READY",
+          "CLOSED"
         ],
         "description": [
-          "The channel state, in particular \"CHANNELD_NORMAL\" and \"CHANNELD_AWAITING_SPLICE\" mean the channel can be used normally"
+          "The channel state, in particular \"CHANNELD_NORMAL\" and \"CHANNELD_AWAITING_SPLICE\" mean the channel can be used normally",
+          "Note: *CLOSED* state was only added in v25.12."
         ],
         "added": "pre-v0.10.1"
       },