hicli/json: add resolve alias command

pkg/hicli/json-commands.go

@@ -79,6 +79,10 @@ func (h *HiClient) handleJSONCommand(ctx context.Context, req *JSONCommand) (any
 		return unmarshalAndCall(req.Data, func(params *ensureGroupSessionSharedParams) (bool, error) {
 			return true, h.EnsureGroupSessionShared(ctx, params.RoomID)
 		})
+	case "resolve_alias":
+		return unmarshalAndCall(req.Data, func(params *resolveAliasParams) (*mautrix.RespAliasResolve, error) {
+			return h.Client.ResolveAlias(ctx, params.Alias)
+		})
 	case "login":
 		return unmarshalAndCall(req.Data, func(params *loginParams) (bool, error) {
 			return true, h.LoginPassword(ctx, params.HomeserverURL, params.Username, params.Password)
@@ -158,6 +162,10 @@ type ensureGroupSessionSharedParams struct {
 	RoomID id.RoomID `json:"room_id"`
 }
 
+type resolveAliasParams struct {
+	Alias id.RoomAlias `json:"alias"`
+}
+
 type loginParams struct {
 	HomeserverURL string `json:"homeserver_url"`
 	Username      string `json:"username"`

web/src/api/rpc.ts

@@ -27,6 +27,8 @@ import type {
 	RPCEvent,
 	RawDBEvent,
 	ReceiptType,
+	ResolveAliasResponse,
+	RoomAlias,
 	RoomID,
 	TimelineRowID,
 	UserID,
@@ -161,6 +163,10 @@ export default abstract class RPCClient {
 		return this.request("paginate_server", { room_id, limit })
 	}
 
+	resolveAlias(alias: RoomAlias): Promise<ResolveAliasResponse> {
+		return this.request("resolve_alias", { alias })
+	}
+
 	discoverHomeserver(user_id: UserID): Promise<ClientWellKnown> {
 		return this.request("discover_homeserver", { user_id })
 	}

web/src/api/types/hitypes.ts

@@ -139,6 +139,11 @@ export interface PaginationResponse {
 	has_more: boolean
 }
 
+export interface ResolveAliasResponse {
+	room_id: RoomID
+	servers: string[]
+}
+
 export interface EventUnsigned {
 	prev_content?: unknown
 	prev_sender?: UserID