feat: responses might be executed before canister_on_low_wasm_memory

[mraszyk]

This PR specifies that responses might still be executed after the condition for canister_on_low_wasm_memory is triggered and before the function canister_on_low_wasm_memory is actually executed.

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[Copilot]

Pull request overview

This PR clarifies the IC interface specification around the On Low Wasm Memory hook by documenting and formalizing that response callbacks may still execute after the low-memory condition is met but before canister_on_low_wasm_memory actually runs (e.g., when the hook is scheduled but cannot yet be executed).

Changes:

• Add an explicit note to the canister interface docs stating that responses may execute between condition trigger and hook execution.
• Update the abstract behavior “Message execution” rule to allow executing response callbacks even when on_low_wasm_memory_hook_status is Ready.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
docs/references/ic-interface-spec/canister-interface.md	Adds documentation clarifying execution ordering around canister_on_low_wasm_memory vs responses.
docs/references/ic-interface-spec/abstract-behavior.md	Adjusts the formal “Message execution” conditions to permit response callback execution while the low-memory hook is pending.

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[alin-at-dfinity]

LGTM, thank you.