Hendrik Liebau d0df62e826 Fix metadata propagation for deduplicated nested caches (#98808) ...

#94694 delayed shared metadata until handler writes settled to protect
cross-request retries. Same-request consumers also awaited this promise,
so an outer cache could save its result before inheriting the inner
cache's root-param dependencies, tags, and lifetime.

Metadata now becomes available when collection finishes. Cross-request
key verification and pending-invocation cleanup still wait for handler
writes to settle.

The regression tests hold an inner write pending while both outer caches
complete. They check metadata at write time and verify that a later
request with different root params cannot reuse the earlier result. The
fixtures disable startup preloading to isolate these tests from a
separate custom-handler registration race that we'll address in a
follow-up.

2026-09-17 19:50:29 +02:00

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app

Fix metadata propagation for deduplicated nested caches (#98808)

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public

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cache-writes.js

Fix metadata propagation for deduplicated nested caches (#98808)

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handler.js

Fix metadata propagation for deduplicated nested caches (#98808)

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next.config.js

Fix metadata propagation for deduplicated nested caches (#98808)

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use-cache-custom-handler.test.ts

Fix metadata propagation for deduplicated nested caches (#98808)

2026-09-17 19:50:29 +02:00