[SDK] Rebuild the session core on PasswordSession behind an AtpAgent compat shim (#11343)

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

src/view/com/composer/drafts/state/api.ts

@@ -11,7 +11,7 @@ import {mimeToExt} from '#/lib/media/video/util'
 import {shortenLinks} from '#/lib/strings/rich-text-manip'
 import {type ComposerImage} from '#/state/gallery'
 import {threadgateAllowUISettingToAllowRecordValue} from '#/state/queries/threadgate/util'
-import {createPublicAgent} from '#/state/session/agent'
+import {createPublicAgent} from '#/state/session/bridge-agent'
 import {
   type ComposerState,
   type EmbedDraft,