Deploy configuration parsing and validation.
Reads deepagents.toml and produces a validated DeployConfig.
The new minimal surface has exactly two sections:
[agent]: name + model[sandbox]: sandbox provider settingsAGENTS.md is always seeded into a shared memory namespace so the agent can
read it at runtime, but writes/edits to that path are blocked by a read-only
middleware in the generated graph.
Skills (skills/) and MCP servers (mcp.json) are auto-detected from the
project layout. The agent's system prompt is read from AGENTS.md at bundle
time — there is no system_prompt key.