feat: prioritize explicit provider config over model registry lookup

apps/claude-bridge/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@mariozechner/claude-bridge",
-	"version": "1.0.10",
+	"version": "1.0.14",
 	"description": "Use non-Anthropic models with Claude Code by proxying requests through the lemmy unified interface",
 	"type": "module",
 	"main": "dist/index.js",

apps/claude-bridge/src/interceptor.ts

@@ -12,7 +12,7 @@ import {
 import { transformAnthropicToLemmy } from "./transforms/anthropic-to-lemmy.js";
 import { createAnthropicSSE } from "./transforms/lemmy-to-anthropic.js";
 import { jsonSchemaToZod } from "./transforms/tool-schemas.js";
-import type { MessageCreateParamsBase } from "@anthropic-ai/sdk/resources/messages/messages.js";
+import type { MessageCreateParamsBase, ThinkingConfigEnabled } from "@anthropic-ai/sdk/resources/messages/messages.js";
 import {
 	Context,
 	type AskResult,
@@ -31,7 +31,6 @@ import { parseSSE, extractAssistantFromSSE } from "./utils/sse.js";
 import {
 	parseAnthropicMessageCreateRequest,
 	parseResponse,
-	isAnthropicAPI,
 	generateRequestId,
 	type ParsedRequestData,
 } from "./utils/request-parser.js";
@@ -233,7 +232,16 @@ export class ClaudeBridgeInterceptor {
 			}
 
 			// Convert thinking parameters for provider
-			const askOptions = convertThinkingParameters(this.clientInfo.provider, originalRequest);
+			this.logger.log(`Original thinking config: ${JSON.stringify(originalRequest.thinking)}`);
+			const askOptions: any = {
+				...(originalRequest.thinking?.type === "enabled" && {
+					thinking: {
+						type: "enabled",
+						budget_tokens: originalRequest.thinking.budget_tokens,
+					} as ThinkingConfigEnabled,
+				}),
+			};
+			this.logger.log(`Converted thinking config: ${JSON.stringify(askOptions.thinking)}`);
 
 			// Apply capability adjustments
 			if (validation.adjustments.maxOutputTokens) {
@@ -456,3 +464,10 @@ export async function initializeInterceptor(config?: BridgeConfig): Promise<Clau
 export function getInterceptor(): ClaudeBridgeInterceptor | null {
 	return globalInterceptor;
 }
+
+/**
+ * Check if URL is an Anthropic API endpoint
+ */
+export function isAnthropicAPI(url: string): boolean {
+	return url.includes("api.anthropic.com") && url.includes("/v1/messages");
+}

apps/claude-bridge/src/transforms/lemmy-to-anthropic.ts

@@ -84,7 +84,7 @@ export function createAnthropicSSE(askResult: AskResult, model: string): Readabl
 					writeEvent("content_block_start", {
 						type: "content_block_start",
 						index: blockIndex,
-						content_block: { type: "tool_use", id: toolCall.id, name: toolCall.name, input: {} },
+						content_block: { type: "tool_use", id: toolCall.id, name: toolCall.name, input: toolCall.arguments },
 					});
 					const argsJson = JSON.stringify(toolCall.arguments);
 					for (let i = 0; i < argsJson.length; i += 50) {

apps/claude-bridge/src/types.ts

@@ -1,5 +1,5 @@
 import type { SerializedContext, ChatClient } from "@mariozechner/lemmy";
-import type { MessageCreateParamsBase } from "@anthropic-ai/sdk/resources/messages/messages.js";
+import type { MessageCreateParamsBase, ThinkingConfigEnabled } from "@anthropic-ai/sdk/resources/messages/messages.js";
 import type { AnthropicConfig, OpenAIConfig, GoogleConfig } from "@mariozechner/lemmy";
 import type { ModelData } from "@mariozechner/lemmy";
 
@@ -24,7 +24,7 @@ export interface RawPair {
 	note?: string;
 }
 
-export type Provider = "anthropic" | "openai" | "google";
+export type Provider = "anthropic" | "openai" | "google" | "proxy";
 
 // JSON Schema types
 export interface JSONSchema {
@@ -73,7 +73,7 @@ export interface ProviderClientInfo {
 	modelData: ModelData | null; // null for unknown models
 }
 
-export type ProviderConfig = AnthropicConfig | OpenAIConfig | GoogleConfig;
+export type ProviderConfig = AnthropicConfig | OpenAIConfig | GoogleConfig | OpenAIConfig; // Proxy uses OpenAI config
 
 export interface TransformationEntry {
 	timestamp: number;