UI opt-in for git-sync, mirroring the existing sharing/comments settings pattern
(no new endpoint, no new mechanism; orchestrator read query untouched):
- UpdateSpaceDto.gitSyncEnabled?: boolean.
- SpaceRepo.updateGitSyncSettings: jsonb-merge into settings.gitSync.<key>
(COALESCE || jsonb_build_object — never clobbers sibling sharing/comments);
stored as a real jsonb boolean so the orchestrator's
settings->'gitSync'->>'enabled' = 'true' matches.
- SpaceService.updateSpace handles the flag (audit diff) via the existing
CASL-guarded space update path (Manage/Settings).
- client: Switch in edit-space-form (optimistic mutate + revert-on-error,
readOnly-aware) + space types + 2 i18n keys.
- space.service.spec extended (calls updateGitSyncSettings; no-op when undefined).
tsc clean (server+client); jest src/core/space 4 pass.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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