fix(ext): ext-crate tests root values through RuntimeHandleScope

[steinybot]

Merge in this order:

1. fix(docs): the my-bindings fixture reads buffers inside a no-GC scope #12112
2. fix(ext): ext-crate tests root values through RuntimeHandleScope #12113 (this PR)
3. fix(runtime): audit the new raw stores and classify addresses with addr_class #12114
4. ci: register the dark GC witnesses and isolate the new test counters #12115
5. refactor: split five files back under the 2000-line cap #12116
6. fix(runtime): root raw handles across calls and correct the handle ratchets #12117
7. fix(runtime): instanceof never mints a class object for a builtin id #12118
8. fix(gc_effects): exempt aHash's random-source init from the indirect-call taint #12119
9. docs: regenerate the API reference #12120
10. fix(runtime): clear the gates that #12109 left red #12121
11. fix(runtime): match node on the gap-suite regressions #12149

Problem

CI on main is red again after #12025. Commits since then broke check, warnings, cargo-test, gc-call-effects, self-test-checkers, gap-suite and fourteen lint steps, so no PR can show a green build. Each later failure in a job was hidden behind an earlier one.

Solution

Fix each breakage in its own PR. Each PR targets main and holds every fix above it in the order list, so the last PR is the one that can run fully green. Merge in order: each diff then shrinks to its own fix.

In this PR

Fixes the rest of warnings. Since 9af2d89 the runtime exports no shadow-stack entry points on native stack-map targets (64-bit apple, linux, windows). The http, net, streams and ws test modules still called them.

Changes

1. Drop the guards' shadow frames (diff). On these targets the frame rooted nothing. The same change applies to the http, net and streams guards.

2. Root the values that must survive a collection (diff). The net and http tests hold them in a RuntimeHandleScope. The guards call gc_init(), which registers the runtime-handle scanner that program startup would register.

   perry/crates/perry-ext-net/src/tests.rs

   Line 9 in ee6659c

   struct GcTestGuard {

🤖 Generated with Claude Code

https://claude.ai/code/session_01V5MSmMLJm6sMdSS5r64ds7

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