docs(upstream): record Cycle #667 and Cycle #669 adoptions in review ledger

[rynfar]

Summary

Records the completion and dispositions of:

• Cycle Upstream integration cycle: web chat rendering, navigation and diff safety #667: Group A (PR fix(web): keep composer banners readable and stop scroll jumps when the pill mounts #668, DEF-18) and Group B (PR fix(web): fix folder links, sidebar search and diff symlink crashes #671, navigation, search, and diff safety).
• Cycle Upstream integration cycle: chat accessibility and compact sidebar #669: Group A (PR feat(web): expose each chat message as a heading for screen readers (#11199) #679, chat message heading accessibility) and Group B (PR feat(web): add compact sidebar rail and compact thread row density (#11525, #9417, #11644, #11652, #11595) #680, compact sidebar rail and compact thread row density).

Updates ## Active cycle, ## Latest cycle, and appends the adoption rows to ## Review batches.

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1 Skipped Deployment

Project	Deployment	Actions	Updated
pylon-marketing	Ignored	Preview	Sep 20, 2026 9:03am UTC