Hmmm.... doing it electronically means I can see from my statement where I spent the money. With cash, I'd have to write it down. Can't see me doing the accountant thing and going around with a little notebook.

But none of those things is going to change the main driver of inflation which seems to be energy prices, gas in particular.

I'm seeing continued BoE rate increases now, and that might help the pound (though the last one didn't seem to).

The house price crash is moving closer....

The high yield bond/credit funds I have are
BIPS, SMIF, RECI, and Royal London Global Bond Opps
All of these have handsomely beaten cash on deposit over the past 5 years on a lump sum basis, and even better if you had bought the dips, and I am reasonably confident that they will continue to do so. The FSCS point is not really relevant.

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An economic downturn which helps to tame inflation is a better option than prolonger runaway inflation. Also reduced domestic consumption will free goods and services for export which will help support employment and reduce our trade deficit.
Furthermore, reduced consumption will result in a reduction in imports, again helping to reduce our trade deficit and it would also have a dampening effect on imported inflation.
One of the major weakness of the British economy has been excessive domestic consumption especially of imported goods at the expense of investment in domestic productive capacity.
GDP growth equals growth of Consumption plus growth of Investment plus growth of Net exports.
The UK economy needs to focus more on increasing investment and growing exports rather than high levels of consumption which often involves imports of foreign goods.
We are not paying our way in the world.
The trade deficit could reach £150bn this year.
This could put pressure on the exchange rate of the pound resulting in higher imported inflation.
There is no magic bullet.
IMO an economic downturn, or recession, is likely.

Certainly expectations of persistent inflation in the future can be expected to bring consumption forward (for those lucky enough to be able to do it) - much as expectations of future deflation would subdue present demand. I believe this is the rationale for a low-but-positive target for inflation as adopted by central banks worldwide.

It has not gone unnoticed in my household that whisky prices have remained flat, despite energy being a huge part of a distiller’s cost base. I too have been taking the opportunity to stock up on some reliable staples - Bunnahabhain 12yo at <£40 and Laphroaig 10yo at <£30 may well look like the bargain of a lifetime in a few short years.

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Indeed.
Expected high future inflation can stimulate consumption in the short term for those able to afford it because they can avoid paying higher prices in future.
The result can be a short-term economic bounce.
Expected deflation can have the opposite effect. People delay purchases in the expectation that prices will become lower.
If you really need or want something, now could be the time to buy it.
I'm well stocked up on single malts.