Fix secure mode external access permissions issue#16
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When running secure mode externally (in containers, VMs, or systems with restricted kernel configs), bwrap --unshare-net can fail with: "bwrap: loopback: Failed RTM_NEWADDR: Operation not permitted" This change: - Adds check_network_namespace_support() to detect this at startup - Auto-disables network isolation when unsupported (other sandbox features remain) - Adds GROVE_SANDBOX_NETWORK env var for manual control - Updates startup logging and /version endpoint to show network isolation status - Documents the issue and workarounds in CLAUDE.md
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When running secure mode externally (in containers, VMs, or systems with restricted kernel configs), bwrap --unshare-net can fail with: "bwrap: loopback: Failed RTM_NEWADDR: Operation not permitted"
This change: