openspec: archive the detail catch-up changes, sync specs

Archive the three implemented + merged changes (activity-sport-type,
activity-stats, journal-elevation-profile): their deltas are promoted into
openspec/specs/, the changes move to changes/archive/2026-06-12-*, and the
three new capabilities are added to the CAPABILITIES index.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Ullrich Schäfer 2026-06-12 15:58:17 +02:00
parent 1ba063a085
commit f1cae13605
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