{
  "id": "shared-context-spec:agent-mux-observability-logger-iface",
  "_kind": "SharedContextSpec",
  "_file": "extensions/shared-context-specs/agent-mux-observability-types.yaml",
  "_cluster": "extensions",
  "attributes": {
    "displayName": "Logger (interface)",
    "contextKind": "interface-contract",
    "typescriptInterface": "Logger",
    "producerIface": "@a5c-ai/agent-mux-observability createLogger (logger.ts) / createSimpleLogger (logger-simple.ts)",
    "consumerIfaces": [
      "all @a5c-ai/agent-mux-* runtime callers (cli, gateway, core, adapters)"
    ],
    "fieldSchema": [
      "level:string:required:Active level",
      "trace|debug|info|warn|error|fatal:fn(msg|obj,msg?):required:Standard severity emitters",
      "child:fn(LogContext)->Logger:required:Bound child logger",
      "runStart:fn({runId,agent,prompt,model?}):required:Lifecycle helper",
      "runComplete:fn({runId,agent,duration,cost?}):required:Lifecycle helper",
      "runError:fn({runId,agent,error}):required:Lifecycle helper",
      "toolCallStart|toolCallComplete:fn(...):required:Tool-call helpers",
      "session:fn(message,LogContext&{action?}):required:Session lifecycle helper",
      "perf|auth|config:fn(...):optional:Extended helpers"
    ],
    "sourceCitation": "packages/agent-mux/observability/src/types.ts:57-97"
  },
  "outgoingEdges": [],
  "incomingEdges": [
    {
      "from": "package:a5c-ai-agent-mux-observability",
      "to": "shared-context-spec:agent-mux-observability-logger-iface",
      "kind": "has_payload_schema",
      "attributes": {}
    }
  ]
}