feat(cloud): add scoped support admin sessions (#2369)

* feat(cloud): add scoped support admin sessions

* style(web): format support admin session changes

* fix(cloud): isolate support adapter sessions

* fix(cloud): authenticate plugin assets and report workspace resources

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Co-authored-by: dadachann <185672915+dadachann@users.noreply.github.com>

src/langbot/pkg/api/http/context.py

@@ -9,6 +9,7 @@ class PrincipalType(enum.StrEnum):
 
     ACCOUNT = 'account'
     API_KEY = 'api_key'
+    SUPPORT_ADMIN = 'support_admin'
     SYSTEM = 'system'
     PUBLIC_BOT = 'public_bot'
 
@@ -19,7 +20,9 @@ class PrincipalContext:
 
     principal_type: PrincipalType
     account_uuid: str | None = None
+    actor_account_uuid: str | None = None
     api_key_uuid: str | None = None
+    support_session_id: str | None = None
 
 
 @dataclasses.dataclass(frozen=True, slots=True)