HA's config-entries store already carries the current schema minor_version,
so entries we append are never migrated — a missing created_at is an
unguarded KeyError in config_entries.async_initialize that crash-loops HA
at boot (hit on framework-pt during install verify). Write created_at/
modified_at/discovery_keys/subentries on both the anthropic and wyoming
entries.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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