OpenCode MCP Orchestrator 0.2.0

What's Changed

• Fix session-scoped sandboxes and add Doctor execution probes by @Mesya82 in #5
• Add opt-in diagnostic session preservation by @Mesya82 in #6
• Add explicit opt-in network access for Runner by @Mesya82 in #9
• docs: clarify Runner host network policy by @Mesya82 in #10

Full Changelog: v0.1.11...v0.2.0