Small fronend auth rework. Removed master api keys. Updated docs and terminology

Author: ThreeHats

.env.test.example

@@ -13,12 +13,13 @@
 # ========================================
 TEST_BASE_URL=http://localhost:3010
 
-# API key for your relay account.
-# OPTIONAL — if omitted, the test suite registers a fresh account at startup
-# and deletes it when all tests finish (ephemeral mode). Requires registration
-# to be enabled on the server (DISABLE_REGISTRATION must not be set).
+# A fully-scoped API key for your relay account (created via the dashboard after signup).
+# OPTIONAL — if omitted, the test suite registers a fresh account at startup,
+# creates a fully-scoped API key via the session, and deletes the account when
+# all tests finish (ephemeral mode). Requires registration to be enabled on the
+# server (DISABLE_REGISTRATION must not be set).
 # Set this to reuse a persistent account across test runs instead.
-# TEST_API_KEY=your-relay-api-key-here
+# TEST_API_KEY=your-scoped-api-key-here
 
 # ========================================
 # REQUIRED: Foundry Instances