chore(changelog): move today's work from the shipped 0.25.4 to 0.25.5

v0.25.4 was already released — tag v0.25.4 at 8113557, fourteen hours ago —
carrying exactly one entry, the WinKeyer probe. Everything since (cluster empty
state and timing, the generic HTTP relay, hardware following the profile, the
SteppIR read that never returned, the DXHunter tune unit) was written into that
block and would have been announced to operators as something they already have.

The 0.25.4 block is now byte-identical to the one that shipped, and the seven
later entries are under 0.25.5.

changelog.json

@@ -2,14 +2,7 @@
   {
     "version": "0.25.5",
     "date": "",
-    "en": [],
-    "fr": []
-  },
-  {
-    "version": "0.25.4",
-    "date": "",
     "en": [
-      "WinKeyer: the opening probe goes out as one write, matching a capture of a client that talks to the same K3NG keyer, and the handshake bytes are always logged so a keyer that stays silent can be diagnosed.",
       "DX cluster: when spots arrive and every one is filtered out, the panel says so, names the filters doing it and offers to clear them — it used to say “waiting for spots” beside a counter reading 76 live.",
       "DX cluster: the log times the connection and the first spot, so a slow first launch can be told apart from a quiet node.",
       "Generic HTTP relay: its URLs were never actually sent — fixed. {value} sends the relay's label, {relay-1} counts from zero, no host needed.",
@@ -19,7 +12,6 @@
       "DXHunter spot clicks tune the rig again: the frequency it sends is read in whatever unit it uses, not always as MHz."
     ],
     "fr": [
-      "WinKeyer : la sonde d’ouverture part en un seul envoi, calquée sur la capture d’un client qui dialogue avec le même manipulateur K3NG, et les octets de la poignée de main sont toujours journalisés pour diagnostiquer un manipulateur muet.",
       "Cluster DX : quand des spots arrivent et que tout est filtré, le panneau le dit, nomme les filtres responsables et propose de les effacer — il affichait « en attente de spots » à côté d’un compteur à 76 en direct.",
       "Cluster DX : le journal chronomètre la connexion et le premier spot, pour distinguer un premier lancement lent d’un nœud silencieux.",
       "Relais HTTP générique : ses URL n’étaient jamais envoyées — corrigé. {value} envoie le libellé du relais, {relay-1} compte de zéro, hôte inutile.",
@@ -29,6 +21,16 @@
       "Les clics de spot DXHunter accordent à nouveau le rig : la fréquence envoyée est lue dans son unité réelle, plus toujours en MHz."
     ]
   },
+  {
+    "version": "0.25.4",
+    "date": "",
+    "en": [
+      "WinKeyer: the opening probe goes out as one write, matching a capture of a client that talks to the same K3NG keyer, and the handshake bytes are always logged so a keyer that stays silent can be diagnosed."
+    ],
+    "fr": [
+      "WinKeyer : la sonde d’ouverture part en un seul envoi, calquée sur la capture d’un client qui dialogue avec le même manipulateur K3NG, et les octets de la poignée de main sont toujours journalisés pour diagnostiquer un manipulateur muet."
+    ]
+  },
   {
     "version": "0.25.3",
     "date": "",