ChannelTalk docs/backend mapping prepared\n\nSaved ChannelTalk official docs locally under channel-talk/docs.\n\n- Snapshot: 298 fetched pages, 259 article rows, 162 canonical guide articles, 72 alias groups, 11 stale/failed URLs.\n- Mapping outputs: channel-talk/docs/meta/guide-backend-map.seed.json, channel-talk/docs/meta/guide-backend-map.unique.json, channel-talk/docs/meta/guide-backend-map.unique.tsv, channel-talk/docs/meta/priority-inbox-alf-guides.tsv.\n- Added: channel-talk/docs/README.md and channel-talk/docs/GUIDE_BACKEND_MAPPING_WORKPLAN.md.\n- Focus: Inbox and ALF. Backend/DB field names are clone-oriented/inferred unless later validated by runtime captures.