[backport release/v0.18.0] fix(mcp): recover after daemon port changes - #6409
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Rediscover the active daemon before local MCP calls, retry only safe reads after unreachable targets, and expose durable artifact references while marking preview and studio URLs as session-scoped. Validated with focused MCP tests, daemon typecheck/build, workspace typecheck, guard, and a live daemon port-switch smoke. Co-authored-by: Cheems <94773058+itscheems@users.noreply.github.com> (cherry picked from commit fe1231e)
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Aug 5, 2026
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Clean backport-bot pick to release/v0.18.0; merging as part of the workspace-team release backport sweep.
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Backport of #6391 to
release/v0.18.0.\n\n> Clean pick -> merge once CI is green. Conflict -> this is a draft, resolve conflicts then merge.