Collection imports now warn on typos instead of guessing

A typo in a collection rule used to be applied silently as the default value, which could quietly change which products a collection holds. The Collections import now tells you when it can’t read a value and leaves your existing rules alone.

Fixes

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• Must Match typos - an unrecognized value such as anyy conditions no longer silently means all conditions. The import warns and keeps the source’s current matching logic. Short forms like any and all are accepted (see Must Match).
• Rule: Mode typos - a value such as Exclud no longer lands the rule in the include set. The row is skipped with a warning so an exclude rule can’t invert into an include rule.
• Unsupported exclude rules - an exclude rule on a column such as Title now reports a warning, matching how include rules already behave, instead of vanishing without a trace.
• Skipped source blocks on REPLACE - a stray Source Command of DELETE or IGNORE on a collection REPLACE (or a new collection) now reports which source was skipped, so a REPLACE can no longer complete as a silent no-op.