* Helper function to check if an expression is an aggregate

* Whether a value can be matched exactly by an index lookup, i.e. the index * result for it is not a superset that the caller must re-filter. * * O

* Check if a value is a primitive (string, number, boolean, null, undefined) * Primitives can use Set for fast lookups

* Check if a value is a proxiable object (not Date, RegExp, or Temporal)

* Performs a lookup operation

* Recursively maps optimized subqueries to their original queries for proper caching. * This ensures that when we encounter the same QueryRef object

* Recursively optimizes query expressions

* Processes collection mutation metadata for persistence to the database. * We only support storing string metadata. * @returns null if no metad

* Removes redundant subqueries that don't add value. * A subquery is redundant if it only wraps another query without adding * WHERE, SELECT, GROUP

* Queues a cleanup task and defers timeout selection to a microtask so * multiple synchronous registrations can share one root timer.

* Schedule a graph run via the transaction-scoped scheduler. * * When called within a transaction, the run is deferred until the * transactio

* Schedules a graph run with the transaction-scoped scheduler. * Ensures each builder runs at most once per transaction, with automatic dependency

* Send changes to the D2 input for the given alias. * Returns the number of multiset entries sent.

* Helper function to sort results by multiplicity, then index, then id

* Step 1: Split all AND clauses recursively into separate WHERE clauses. * * This enables more granular optimization by treating each condition inde

* Track a loadSubset promise and manage loading status

* Unwraps any Value expressions