Drop the nc MCP tool in favor of a standalone Bun CLI script at
container/agent-runner/src/cli/nc.ts. Same interface as host-side
bin/nc — all three callers (operator, Claude on host, agent in
container) now use the same nc CLI.
Container transport: writes cli_request to outbound.db (BEGIN
IMMEDIATE for seq safety), polls inbound.db for response, acks via
processing_ack. Dockerfile adds a /usr/local/bin/nc wrapper that
execs the mounted source.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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