.NET: [PREVIEW BREAKING] Promote `AgentSessionStore` into Agents.AI.Abstractions - #7991

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Roger Barreto (rogerbarreto) wants to merge 6 commits into

microsoft:mainfrom

rogerbarreto:rogerbarreto-agent-session-store

Commits on Sep 1, 2026

feat(dotnet): share agent session store abstraction
Roger Barreto (rogerbarreto)
committed
21d1ee9
fix(dotnet): address session store review findings
Roger Barreto (rogerbarreto)
committed
973592f