docs(release): record v0.9 core gate evidence

[Hmbown]

Summary

• record exact-head local evidence for v0.9 fmt/check/clippy/test gates
• record crates dry-run evidence
• record npm wrapper smoke after release-profile build

Verification

• cargo fmt --all -- --check
• cargo check --workspace --all-targets --locked
• cargo clippy --workspace --all-targets --all-features --locked -- -D warnings
• cargo test --workspace --all-features --locked
  • first full run hit one transient localhost SSE reset in mcp::tests::legacy_sse_closed_stream_reconnects_and_retries_tool_call
  • exact test passed serially
  • full workspace rerun passed: 4254 passed, 0 failed, 4 ignored in codewhale-tui, with package integration/doctest suites green
• ./scripts/release/publish-crates.sh dry-run
• cargo build --release --locked -p codewhale-cli -p codewhale-tui
• node scripts/release/npm-wrapper-smoke.js
• git diff --check
• cmp -s CHANGELOG.md crates/tui/CHANGELOG.md
• ./scripts/release/check-versions.sh
• ./scripts/release/check-ohos-deps.sh

[greptile-apps]

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[gemini-code-assist]

Code Review

This pull request updates the release acceptance documentation in docs/V0_9_0_RELEASE_ACCEPTANCE.md to document the local verification evidence for various release gates, confirming that formatting, compilation, clippy, tests, and smoke tests have successfully passed. There are no review comments, and I have no feedback to provide.

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