[management, proxy] Management-owned LLM pricing: file-backed defaults + (#6965)

management/cmd/management.go

@@ -23,6 +23,7 @@ import (
 	"github.com/netbirdio/netbird/management/server/types"
 
 	"github.com/netbirdio/netbird/formatter/hook"
+	agentnetworkpricing "github.com/netbirdio/netbird/management/internals/modules/agentnetwork/pricing"
 	"github.com/netbirdio/netbird/management/internals/server"
 	nbconfig "github.com/netbirdio/netbird/management/internals/server/config"
 	nbdomain "github.com/netbirdio/netbird/shared/management/domain"
@@ -112,6 +113,29 @@ var (
 				mgmtSingleAccModeDomain = ""
 			}
 
+			// Load the management-side LLM pricing defaults file: an
+			// explicitly configured path is required to load (a typo must
+			// fail startup — the operator believes those rates are live);
+			// otherwise <datadir>/defaults_llm_pricing.yaml is probed and
+			// may be absent (compiled-in defaults serve). A relative path
+			// is resolved against the datadir so a bare filename lands
+			// alongside the store. Either way the path stays watched: the
+			// reloader picks up edits — and the file appearing later —
+			// without a restart.
+			pricingPath := config.AgentNetwork.PricingDefaultsFile
+			pricingRequired := pricingPath != ""
+			if !pricingRequired {
+				pricingPath = agentnetworkpricing.DefaultFileName
+			}
+			if !filepath.IsAbs(pricingPath) {
+				pricingPath = filepath.Join(config.Datadir, pricingPath)
+			}
+			log.Infof("loading agent-network pricing defaults from %s (required: %v)", pricingPath, pricingRequired)
+			if err := agentnetworkpricing.LoadFile(pricingPath, pricingRequired); err != nil {
+				return fmt.Errorf("load agent-network pricing defaults: %v", err)
+			}
+			agentnetworkpricing.StartReloader(ctx, agentnetworkpricing.ReloadInterval)
+
 			srv := newServer(&server.Config{
 				NbConfig:                    config,
 				DNSDomain:                   dnsDomain,