[amishabenramani]

Summary

Qualify one sentence in future Windows paired-session notes: the boundary integrity check compares the installed WebView2 Evergreen registry version; equality of those observations does not verify the runtime build loaded by either measured arm.

This is a partial wording correction, not an engine-identity implementation or admission-policy fix. Actual arm-bound loaded engine identity remains unknown. The wording remains true when a publication-ineligible diagnostic is emitted after differing boundary values.

Reference: KEL-90, source-specific finding c1df6020-d830-422b-b1a1-81e4b9bd9633; bounded implementation claim b0eadf66-b41d-485b-a0a2-a50c65a1d3a6.

Scope preserved

• Only the engine sentence in windows/bench/Emit-PairedSession.ps1's session.notes changes.
• environment.engine.version still carries webview2_start; its field/value semantics are unchanged.
• No schema, admission policy, runtime behavior/instrumentation, metric value, statistic, or historical result/raw-evidence change.
• No historical engine mismatch or invalid performance number is asserted.

Validation

• Pinned original source matched Git blob 304e00dd7c3538bf8df291a276d8a2dca7cd4427.
• Exact replacement/reversal proved all bytes outside the target sentence unchanged; one changed physical line. Start-version interpolation, engine assignment, UTF-8/no-BOM, LF and trailing newline preserved.
• Four source-artifact mutation controls rejected the old assertion, missing qualification, engine-assignment change, and unrelated appended byte.
• git diff --check and reverse patch applicability passed.
• Existing unmodified ci/plan.py CLI on the exact one-file diff in a labeled synthetic Git fixture selected windows=true and other routed leaves false.

PowerShell parsing and hosted Windows harness checks were not run locally. The existing hosted job was inspected: syntax parsing, synthetic/loopback oracle and arithmetic controls, and temporary-copy historical-publication checks; no product GUI or benchmark launch. Any hosted pass is static/synthetic harness validation, not native product acceptance or loaded-engine evidence.

Draft for review; no merge or readiness action requested. KEL-90's broader engine/runner acceptance remains open.

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