/techniques (technique browser with filters) was an orphaned route —
only reachable via 'Back to techniques' button or direct URL.
Now exposed in the sidebar as part of a new ATT&CK group:
ATT&CK ▾
Techniques → /techniques
Coverage Matrix → /matrix
Review Queue → /techniques/review-queue (leads+admin only)
Child role filtering added to SidebarLink.
Review Queue badge moved to the ATT&CK group header.
kitos
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