bring back the auths

src/powerbi-data-connector/Speckle.pq

@@ -247,7 +247,7 @@ GetByUrl.Icons = [
 Speckle = [
     // This is used when running the connector on an on-premises data gateway
     TestConnection = (path) => {"Speckle.GetUser", path},
-    // Authentication strategy - OAuth only
+    // Authentication strategy
     Authentication = [
         OAuth = [
             Label = "Speckle Account",
@@ -357,6 +357,13 @@ Speckle = [
                         ]
                 in
                     result
+        ],
+        Key = [
+            KeyLabel = "Personal Access Token",
+            Label = "Private Project"
+        ],
+        Implicit = [
+            Label = "Public Project"
         ]
     ],
     Label = "Speckle"

src/powerbi-data-connector/speckle/api/Api.Fetch.pqm

@@ -1,7 +1,7 @@
 (server as text, optional query as text, optional variables as record) as record =>
     let
         // Enhanced credential retrieval with OAuth2 support
-        apiKey = try Extension.CurrentCredential()[access_token] otherwise null,
+        apiKey = try Extension.CurrentCredential()[Key] otherwise try Extension.CurrentCredential()[access_token] otherwise null,
         
         defaultQuery = "query {
                 activeUser {

src/powerbi-data-connector/speckle/api/GetModel.pqm

@@ -29,7 +29,7 @@
         versionId = parsedUrl[versionId],
         
         // get API key if available
-        apiKey = try Extension.CurrentCredential()[access_token] otherwise null,
+        apiKey = try Extension.CurrentCredential()[Key] otherwise null,
         
         // graphql query to get model info including root object id
         // includes specific version if provided

src/powerbi-data-connector/speckle/api/GetUser.pqm

@@ -26,7 +26,7 @@ in
             parsedUrl = Parser(url),
             server = parsedUrl[baseUrl],
             
-            apiKey = try Extension.CurrentCredential()[access_token] otherwise "",
+            apiKey = try Extension.CurrentCredential()[Key] otherwise try Extension.CurrentCredential()[access_token] otherwise "",
             
             query = "query {
                     activeUser {