extend the v0.9.x section with a new "v1.26.0 → v1.29.0 — sprint A
toward v2" block listing what each release delivered. trim the
v2.0.0 section to just the remaining HKDF identity work; everything
else from the original v2 spec is now shipped.
queue 1.30.0 (launch wizard), 1.31.0 (setup wizard), 1.32.0 (full
workspace rename) as the explicit remaining items before HKDF
ships as 2.0.0 in its own sprint.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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