Discovery: wide-area bridge DNS-SD

# Conflicts:
#	apps/ios/Sources/Bridge/BridgeDiscoveryModel.swift
#	src/cli/dns-cli.ts

src/gateway/protocol/schema.ts

@@ -8,6 +8,8 @@ export const PresenceEntrySchema = Type.Object(
     ip: Type.Optional(NonEmptyString),
     version: Type.Optional(NonEmptyString),
     platform: Type.Optional(NonEmptyString),
+    deviceFamily: Type.Optional(NonEmptyString),
+    modelIdentifier: Type.Optional(NonEmptyString),
     mode: Type.Optional(NonEmptyString),
     lastInputSeconds: Type.Optional(Type.Integer({ minimum: 0 })),
     reason: Type.Optional(NonEmptyString),
@@ -63,6 +65,8 @@ export const ConnectParamsSchema = Type.Object(
         name: NonEmptyString,
         version: NonEmptyString,
         platform: NonEmptyString,
+        deviceFamily: Type.Optional(NonEmptyString),
+        modelIdentifier: Type.Optional(NonEmptyString),
         mode: NonEmptyString,
         instanceId: Type.Optional(NonEmptyString),
       },

src/gateway/server.test.ts

@@ -2109,6 +2109,8 @@ describe("gateway server", () => {
         name: "fingerprint",
         version: "9.9.9",
         platform: "test",
+        deviceFamily: "iPad",
+        modelIdentifier: "iPad16,6",
         mode: "ui",
         instanceId: "abc",
       },
@@ -2133,6 +2135,8 @@ describe("gateway server", () => {
     expect(clientEntry?.host).toBe("fingerprint");
     expect(clientEntry?.version).toBe("9.9.9");
     expect(clientEntry?.mode).toBe("ui");
+    expect(clientEntry?.deviceFamily).toBe("iPad");
+    expect(clientEntry?.modelIdentifier).toBe("iPad16,6");
 
     ws.close();
     await server.close();

src/gateway/server.ts

@@ -1300,12 +1300,16 @@ export async function startGatewayServer(
           const ip = node.remoteIp?.trim();
           const version = node.version?.trim() || "unknown";
           const platform = node.platform?.trim() || undefined;
+          const deviceFamily = node.deviceFamily?.trim() || undefined;
+          const modelIdentifier = node.modelIdentifier?.trim() || undefined;
           const text = `Node: ${host}${ip ? ` (${ip})` : ""} · app ${version} · last input 0s ago · mode remote · reason iris-connected`;
           upsertPresence(node.nodeId, {
             host,
             ip,
             version,
             platform,
+            deviceFamily,
+            modelIdentifier,
             mode: "remote",
             reason: "iris-connected",
             lastInputSeconds: 0,
@@ -1342,12 +1346,16 @@ export async function startGatewayServer(
           const ip = node.remoteIp?.trim();
           const version = node.version?.trim() || "unknown";
           const platform = node.platform?.trim() || undefined;
+          const deviceFamily = node.deviceFamily?.trim() || undefined;
+          const modelIdentifier = node.modelIdentifier?.trim() || undefined;
           const text = `Node: ${host}${ip ? ` (${ip})` : ""} · app ${version} · last input 0s ago · mode remote · reason iris-disconnected`;
           upsertPresence(node.nodeId, {
             host,
             ip,
             version,
             platform,
+            deviceFamily,
+            modelIdentifier,
             mode: "remote",
             reason: "iris-disconnected",
             lastInputSeconds: 0,
@@ -1743,6 +1751,8 @@ export async function startGatewayServer(
               ip: isLoopbackAddress(remoteAddr) ? undefined : remoteAddr,
               version: connectParams.client.version,
               platform: connectParams.client.platform,
+              deviceFamily: connectParams.client.deviceFamily,
+              modelIdentifier: connectParams.client.modelIdentifier,
               mode: connectParams.client.mode,
               instanceId: connectParams.client.instanceId,
               reason: "connect",
@@ -2424,6 +2434,14 @@ export async function startGatewayServer(
               typeof params.version === "string" ? params.version : undefined;
             const platform =
               typeof params.platform === "string" ? params.platform : undefined;
+            const deviceFamily =
+              typeof params.deviceFamily === "string"
+                ? params.deviceFamily
+                : undefined;
+            const modelIdentifier =
+              typeof params.modelIdentifier === "string"
+                ? params.modelIdentifier
+                : undefined;
             const lastInputSeconds =
               typeof params.lastInputSeconds === "number" &&
               Number.isFinite(params.lastInputSeconds)
@@ -2444,6 +2462,8 @@ export async function startGatewayServer(
               mode,
               version,
               platform,
+              deviceFamily,
+              modelIdentifier,
               lastInputSeconds,
               reason,
               tags,