v1.20260818.1

What's Changed

• chore: bump capnp-es to 0.0.16 by @vicb in #7008
• Fix two GC strong-root leaks: tail event cf cycles and abandoned pipe writes by @guybedford in #7017
• Replace a few more raw references with kj::Ptr in standard.c++ by @jasnell in #6949
• Replace raw ReadableStream& ref with jsg::WeakRef by @jasnell in #6936
• Correct the jsg-visit-for-gc check's type lists and document its model by @guybedford in #7015
• Add wasm_memory_discard compatibility flag by @guybedford in #6999
• Update dependencies by @workers-devprod in #7030
• Add ci report opencode skill by @jasnell in #7023
• Update WPT by @workers-devprod in #7021
• Remove experimental streams adapters by @jasnell in #7028
• Fix incorrect comments misnaming jsgrs jsg::Rc by @LordGoatius in #6994
• properly allocate refcounted objects by @mikea in #7038
• More JsReadableStream/JsWritableStream work by @jasnell in #7029
• Add helper macros to Rust by @logan-gatlin in #7014

Full Changelog: v1.20260817.1...v1.20260818.1