fetch: remove unsafe from FetchTasklet and fetch.rs - #40202

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Jarred-Sumner wants to merge 11 commits into

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claude/fetch-zero-unsafe

Commits on Sep 6, 2026

bun_ptr: RefPtr::new_cyclic + SelfRoot; BackRef::dangling only for Shared/Mut
Jarred-Sumner
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9894e91
ref_count: init_ref keeps its own doc block
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f05da9e
cron: CronJob stores a SelfRoot (RefPtr::new_cyclic) instead of a patched-in Root back-reference
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93483c6
fetch: take FetchTasklet and fetch.rs to zero unsafe
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19307ec
NetworkTask: comment names into_owned
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e4e316e
fetch: post the progress hop before the hand-back hop; release an unrun progress hop's slot so the terminal one still lands; Bun.write streams fetch bodies again
Jarred-Sumner
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5c2d6d9
VmHandle: InFlightTicket::post goes through the teardown test gate like Ticket::post
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fa0a913
Rebase fixups: AbortSignal::ref_ replaces retain, ResponseRef drops through CellRefCounted::deref_nn, NewSource destroy without destroy_box_with_mut
Jarred-Sumner
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3988266
HeadersRef is the only FetchHeaders release; SourceHandle::can_start_streaming; FetchRequestBodySink::end_from_stream closes a copied-out handle; Bun.serve upgrade/static-route header conversions h…
Jarred-Sumner
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0a9a1ec
server.fetch(url, { headers: Headers }) copies the Headers like new Request() does instead of adopting the wrapper's reference
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dc81365
test: server.upgrade headers variants via test.each
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95995c5