provider manage instnace is now persisted across calls.

src/daemon/http/index.ts

@@ -3,6 +3,7 @@ import { type IncomingMessage, type ServerResponse } from "http";
 import {
   routeRequestsToNodeResponse,
   InsufficientBalanceError,
+  ProviderManager,
 } from "@routstr/sdk";
 import type { UsageTrackingDriver } from "@routstr/sdk";
 import { logger } from "../../utils/logger";
@@ -37,6 +38,7 @@ type DaemonDeps = {
   ensureProvidersBootstrapped: () => Promise<void>;
   getRoutstr21Models: (forceRefresh?: boolean) => Promise<any[]>;
   mode?: ClientMode;
+  providerManager: ProviderManager;
 };
 
 /**
@@ -277,6 +279,7 @@ export function createDaemonRequestHandler(deps: {
   getRoutstr21Models: (forceRefresh?: boolean) => Promise<any[]>;
   mode?: "xcashu" | "apikeys";
   usageTrackingDriver: UsageTrackingDriver;
+  providerManager: ProviderManager;
 }) {
   return async function handler(req: IncomingMessage, res: ServerResponse) {
     const host = req.headers.host || "localhost";
@@ -1193,6 +1196,7 @@ export function createDaemonRequestHandler(deps: {
         mode: deps.mode,
         usageTrackingDriver: deps.usageTrackingDriver,
         sdkStore: deps.store,
+        providerManager: deps.providerManager,
         res,
       });
       return;

src/daemon/index.ts

@@ -2,6 +2,7 @@ import { createServer } from "http";
 import { existsSync } from "fs";
 import {
   ModelManager,
+  ProviderManager,
   createDiscoveryAdapterFromStore,
   createProviderRegistryFromStore,
   createStorageAdapterFromStore,
@@ -46,6 +47,8 @@ async function main(): Promise<void> {
   const providerRegistry = createProviderRegistryFromStore(store);
   const storageAdapter = createStorageAdapterFromStore(store);
   const modelManager = new ModelManager(discoveryAdapter);
+  // Create shared ProviderManager for consistent failure tracking across all requests
+  const providerManager = new ProviderManager(providerRegistry, store);
   const { ensureProvidersBootstrapped, getRoutstr21Models } =
     createModelService(modelManager);
 
@@ -72,6 +75,7 @@ async function main(): Promise<void> {
       getRoutstr21Models,
       mode: config.mode || "apikeys",
       usageTrackingDriver,
+      providerManager,
     }),
   );
 

src/daemon/sse.ts

@@ -1,98 +0,0 @@
-import { Transform } from "stream";
-import type { UsageData } from "./types";
-
-export function createSSEParserTransform(
-  onUsage: (usage: UsageData) => void,
-  onResponseId?: (responseId: string) => void,
-): Transform {
-  let buffer = "";
-
-  const maybeCaptureUsageFromJson = (jsonText: string): void => {
-    try {
-      const data = JSON.parse(jsonText) as any;
-      const responseId = data.id;
-      if (typeof responseId === "string" && responseId.trim().length > 0) {
-        onResponseId?.(responseId.trim());
-      }
-
-      if (data.usage) {
-        const usageCost = data.usage.cost;
-        const cost =
-          typeof usageCost === "number"
-            ? usageCost
-            : usageCost?.total_usd ??
-              data.metadata?.routstr?.cost?.total_usd ??
-              0;
-        const msats =
-          data.metadata?.routstr?.cost?.total_msats ??
-          (typeof data.usage.cost_sats === "number"
-            ? data.usage.cost_sats * 1000
-            : 0);
-        onUsage({
-          promptTokens: data.usage.prompt_tokens ?? 0,
-          completionTokens: data.usage.completion_tokens ?? 0,
-          totalTokens: data.usage.total_tokens ?? 0,
-          cost,
-          satsCost: msats / 1000,
-        });
-      }
-    } catch {
-      // Ignore non-JSON lines/events.
-    }
-  };
-
-  const processLine = (self: Transform, line: string): void => {
-    const trimmed = line.trim();
-    if (!trimmed) {
-      return;
-    }
-
-    if (trimmed === "data: [DONE]" || trimmed === "[DONE]") {
-      self.push("data: [DONE]\n\n");
-      return;
-    }
-
-    if (trimmed.startsWith("data:")) {
-      const dataStr = trimmed.startsWith("data: ")
-        ? trimmed.slice(6)
-        : trimmed.slice(5).trimStart();
-      if (dataStr === "[DONE]") {
-        self.push("data: [DONE]\n\n");
-        return;
-      }
-      maybeCaptureUsageFromJson(dataStr);
-      self.push(`data: ${dataStr}\n\n`);
-      return;
-    }
-
-    if (trimmed.startsWith("{")) {
-      maybeCaptureUsageFromJson(trimmed);
-      self.push(`data: ${trimmed}\n\n`);
-      return;
-    }
-
-    self.push(line + "\n");
-  };
-
-  return new Transform({
-    transform(chunk, encoding, callback) {
-      buffer += chunk.toString();
-
-      const lines = buffer.split(/\r?\n/);
-      buffer = lines.pop() || "";
-
-      for (const line of lines) {
-        processLine(this, line);
-      }
-
-      callback();
-    },
-    flush(callback) {
-      if (buffer.trim()) {
-        processLine(this, buffer);
-      }
-      buffer = "";
-      callback();
-    },
-  });
-}