{
    "scheduler": {
        "enable_fallback": true,
        "queue_timeout_ms": 30000,
        "queue_aging_quantum_ms": 1000,
        "queue_aging_step": 5,
        "queue_aging_priority_cap": 89,
        "realtime_retrieval_quiet_ms": 200,
        "accelerator_foreground_microtask_ms": 500,
        "auto_init": false,
        "quarantine_after_failures": 3
    },
    "startup": {
        "preload_hot_models_on_start": true,
        "hot_models": [
            "embedding-int8",
            "llm-chat"
        ],
        "deferred_hot_models": [
            "llm-summary",
            "ocr-det",
            "ocr-rec",
            "reranker-int8",
            "tts-default",
            "vlm"
        ],
        "preload_deferred_hot_models_on_start": false,
        "deferred_hot_model_delay_ms": 30000
    },
    "warmup": {
        "reps_per_model": 3,
        "parallel": 1
    },
    "memory_governor": {
        "enabled": true,
        "soft_min_available_gb": 3.5,
        "hard_min_available_gb": 2.0,
        "block_non_hot_cold_start": true,
        "auto_trim_on_soft_warning": true,
        "auto_trim_idle_ms": 5000
    },
    "events": {
        "sse_ring_capacity": 256,
        "heartbeat_interval_ms": 5000
    },
    "http": {
        "listen_addr": "0.0.0.0",
        "listen_port": 8090,
        "request_timeout_ms": 60000,
        "read_idle_timeout_ms": 5000,
        "max_body_bytes": 16777216,
        "worker_threads": 20,
        "max_queued_requests": 24,
        "keep_alive_max_count": 1,
        "keep_alive_timeout_seconds": 15,
        "max_sync_handlers": 4,
        "max_sse_connections": 8,
        "auth_token": "",
        "admin_local_only": true
    },
    "async_jobs": {
        "max_active_jobs": 256,
        "default_ttl_ms": 0,
        "gc_ttl_seconds": 600
    },
    "tcm_health": {
        "enabled": true,
        "preflight_command": "/opt/k3-scheduler/bin/k3-tcm-preflight-clean",
        "postflight_command": "K3_REQUIRE_TCM_FREE=0 /opt/k3-scheduler/bin/k3-tcm-preflight-clean",
        "command_timeout_ms": 3000,
        "fail_closed": true,
        "meminfo_path": "/proc/meminfo",
        "min_cma_free_kb": 65536
    },
    "runtime_profiles": {
        "enabled": false,
        "llm_load_command": "",
        "rag_io_command": "",
        "balanced_command": "",
        "command_timeout_ms": 3000,
        "fail_closed": false,
        "cache_ttl_ms": 30000
    },
    "maintenance_windows": {
        "enabled": false,
        "windows": [
            {
                "start": "02:00",
                "end": "05:00"
            }
        ]
    },
    "api_surface": {
        "deprecated_infer_guard_enabled": true,
        "deprecated_api_header": "X-K3S-Allow-Deprecated-API"
    },
    "fleet": {
        "private_forwarding": {
            "enabled": false,
            "peer_bases": [],
            "timeout_ms": 30000
        }
    },
    "daemon": {
        "schema_version": "daemon.v1",
        "service_manager": "systemd",
        "logging": {
            "schema_version": "logging.v1",
            "level": "info",
            "flush_level": "warn",
            "console": {
                "enabled": true,
                "target": "stdout"
            },
            "file": {
                "enabled": false,
                "path": "/opt/k3-scheduler/logs/k3-scheduler.log"
            }
        }
    }
}