More PR feedback, standardize 'OAuth token' terms

docs/res/runner-auth-diags.txt

@@ -2,12 +2,15 @@
 
 title Runner Configuration (self-hosted only)
 
+note left of Runner: GitHub repo URL as input
+Runner->github.com: Retrieve Actions Service access using runner registration token
+github.com->Runner: Access token for Actions Service
 note left of Runner: Generate RSA key pair
 note left of Runner: Store encrypted RSA private key on disk
-Runner->Actions Service: Register runner (requires GitHub registration token)
-note right of Runner: GitHub repo URL, runner name, RSA public key sent
+Runner->Actions Service: Register runner using Actions Service access token
+note right of Runner: Runner name, RSA public key sent
 note right of Actions Service: Public key stored
-Actions Service->Token Service: Register runner as an application along with the RSA Public Key
+Actions Service->Token Service: Register runner as an app along with the RSA public key
 note right of Token Service: Public key stored
 Token Service->Actions Service: Client Id for the runner application
 Actions Service->Runner: Client Id and Token Endpoint URL
@@ -31,8 +34,8 @@ title Running workflow
 Runner.Listener->Service (Message Queue): Get message
 note right of Runner.Listener: Authenticate with exchanged OAuth token
 Event->Actions Service: Queue workflow
-Actions Service->Actions Service: Generate JWT token per job
-Actions Service->Actions Service: Build job message with the JWT token
+Actions Service->Actions Service: Generate OAuth token per job
+Actions Service->Actions Service: Build job message with the OAuth token
 Actions Service->Actions Service: Encrypt job message with the target runner's public key
 Actions Service->Service (Message Queue): Send encrypted job message to runner
 Service (Message Queue)->Runner.Listener: Send job
@@ -44,6 +47,6 @@ title Runner Configuration, Start and Running (hosted only)
 Machine Management Service->Runner.Listener: Construct .runner configuration file, store token in .credentials
 Runner.Listener->Runner.Listener: Start
 note left of Runner.Listener: Load config info from .runner
-note left of Runner.Listener: Load token from .credentials
-Runner.Listener->Actions Service: Connect to Actions Service with token in .credentials
+note left of Runner.Listener: Load OAuth token from .credentials
+Runner.Listener->Actions Service: Connect to Actions Service with OAuth token in .credentials
 Actions Service->Runner.Listener: Workflow job