Stop keeping all `DataStore` entries in-memory, add pagination - #1024

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tnull wants to merge 11 commits into

lightningdevkit:mainfrom

tnull:2026-08-data-store-cache-policy

Commits on Aug 11, 2026

wallet: Deduplicate payment lookup on TxReplaced
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51938c2
data_store: Make readers async and fallible
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473f63b
data_store: Let readers wait for in-flight writes
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3c4601e
data_store: Add a per-store cache policy
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01d67a7
Add an `InvalidPageToken` error variant
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3c44afa
tests: Introduce a payment listing helper
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0c92813
Paginate `Node::list_payments`
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2659cef
f Document pagination consistency
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6969ed6
f Qualify payment page token lifetime
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ee4c7bd
Bound the payment store's in-memory cache
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4ad88e7
io: Read only as many objects as a store needs
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84e38a4