InsertManyFast doc fixes for uniqueness

client.go

@@ -1508,9 +1508,9 @@ func (c *Client[TTx]) insertManyParams(params []InsertManyParams) ([]*riverdrive
 //		// handle error
 //	}
 //
-// Job uniqueness is not respected when using InsertMany due to unique inserts
-// using an internal transaction and advisory lock that might lead to
-// significant lock contention. Insert unique jobs using Insert instead.
+// Job uniqueness is supported using this path, but unlike `InsertMany` they
+// cannot be handled gracefully. If a unique constraint is violated, the
+// operation will fail and no jobs will be inserted.
 func (c *Client[TTx]) InsertManyFast(ctx context.Context, params []InsertManyParams) (int, error) {
 	if !c.driver.HasPool() {
 		return 0, errNoDriverDBPool
@@ -1554,9 +1554,9 @@ func (c *Client[TTx]) InsertManyFast(ctx context.Context, params []InsertManyPar
 //		// handle error
 //	}
 //
-// Job uniqueness is not respected when using InsertManyTx due to unique inserts
-// using an internal transaction and advisory lock that might lead to
-// significant lock contention. Insert unique jobs using InsertTx instead.
+// Job uniqueness is supported using this path, but unlike `InsertManyTx` they
+// cannot be handled gracefully. If a unique constraint is violated, the
+// operation will fail and no jobs will be inserted.
 //
 // This variant lets a caller insert jobs atomically alongside other database
 // changes. An inserted job isn't visible to be worked until the transaction