fix: use Facebook Graph API for Instagram media operations#134
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All Instagram ability classes (Publish, Read, Update, Delete) were using graph.instagram.com which rejects FB-flavored access tokens with code 190 "Cannot parse access token". Our OAuth flow issues FB-flavored tokens via Facebook Login, so all media endpoints must go through graph.facebook.com. This is the same root cause fixed in v0.12.1 for username lookup (InstagramAuth), now applied to the media operations layer. Affects: container creation, status polling, media_publish, permalink fetch, media listing, caption editing, deletion, and archiving.
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Summary
graph.instagram.comtograph.facebook.com/v18.0— our OAuth flow uses Facebook Login which mints FB-flavored tokens;graph.instagram.comrejects these with error code 190 ("Cannot parse access token")InstagramAuth), now applied to the media operations layermedia_publish, permalink fetch, media listing, caption editing, deletion, and archivingChanged files
InstagramPublishAbility.phpGRAPH_API_URL→graph.facebook.com/v18.0InstagramReadAbility.phpGRAPH_API_URL→graph.facebook.com/v18.0InstagramUpdateAbility.phpGRAPH_API_URL→graph.facebook.com/v18.0InstagramDeleteAbility.phpGRAPH_API_URL→graph.facebook.com/v18.0Residual risk
InstagramAuth::do_refresh_token()still usesgraph.instagram.com/refresh_access_tokenwithig_refresh_tokengrant. May also reject FB-flavored tokens. Separate fix needed.InstagramAuth.InstagramCommentReplyAbilityand Facebook abilities use v23.0. Future alignment PR.