Add a markdown "Cookie and Tracking Technologies Policy" template in
the policy-writer tone that covers cookies and other tracking
technologies, with GDPR, UK GDPR, FADP, and CCPA/CPRA privacy-rights
framing. Convert it to ProseMirror JSON and add PublishTrackerPolicy,
which builds the document from a banner's latest published version
snapshot and its tracker third parties. The document is GENERATED and
private in the trust center, linked to the banner via
policy_document_id.
Add CookieItem.HumanizedDuration so server-rendered lifetimes match the
banner's humanizeDuration helper, and reword the publish trigger and
backfill comment to reflect the broader tracker scope.
Signed-off-by: Émile Ré <emile@probo.com>
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