v0.15.7

src/models/runtime.rs

@@ -124,8 +124,13 @@ pub struct LocalDiscoveryCandidate {
     pub ip: String,
     #[serde(default = "default_port")]
     pub port: u16,
-    /// Detected protocol: 1 = AES-ECB, 2 = AES-GCM.
+    /// Discovery protocol hint: 0 = unknown/auto, 1 = AES-ECB, 2 = AES-GCM.
     pub protocol_version: u8,
+    /// True only when the discovery request explicitly selected V1 or V2.
+    /// Auto discovery keeps this false so binding can verify/fallback and store
+    /// the protocol that actually succeeds.
+    #[serde(default)]
+    pub protocol_locked: bool,
     #[serde(default)]
     pub model: String,
     #[serde(default)]