Vapora/config/server.ncl
Jesús Pérez c5f4caa2ab
feat(agents): stable identity + hot-reload for zero learning loss on config change
Introduce stable_id = role on AgentMetadata so learning profiles and KG
  execution records survive process restarts and hot-reloads. Previously
  every Uuid::new_v4() rotation orphaned accumulated expertise.

  - registry: add stable_id field (serde default, backward-compatible),
    stable_id_or_role() fallback helper, drain_role(), list_roles()
  - coordinator: profile lookup and KG writes use stable_id_or_role()
    instead of the ephemeral UUID; drain_role() drops Sender to close
    mpsc channels after in-flight messages drain; registry_arc() accessor
  - executor: agent_id written to KG now uses stable_id_or_role()
  - server: reload_agents() drain-and-respawn function; SIGHUP handler
    via while sighup.recv().await.is_some(); POST /reload endpoint;
    AppState extended with config_path, router, cap_registry
  - fix: SIGHUP recv() spin-loop guard (is_some())
  - fix: io_other_error clippy lint in vapora-agents, vapora-llm-router,
    vapora-workflow-engine (std::io::Error::other instead of Error::new)
  - docs: ADR-0040, CHANGELOG entry, README hot-reload section
2026-03-02 22:54:28 +00:00

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let C = import "../nickel/vapora/contracts.ncl" in
{
server | C.ServerConfig = {
host = "127.0.0.1",
port = 3000,
tls = {
enabled = false,
cert_path = "",
key_path = "",
},
},
database | C.DatabaseConfig = {
url = "ws://localhost:8000",
max_connections = 10,
},
nats | C.NatsConfig = {
url = "nats://localhost:4222",
stream_name = "vapora-tasks",
},
auth | C.AuthConfig = {
jwt_secret = "change-in-production",
jwt_expiration_hours = 24,
},
logging | C.LoggingConfig = {
level = "info",
json = false,
},
metrics | C.MetricsConfig = {
enabled = true,
port = 9090,
},
}