feat(provider): add SAP AI Core provider (types, API, extension wiring, UI, validation, tests)

packages/types/src/provider-settings.ts

@@ -21,6 +21,7 @@ import {
 	qwenCodeModels,
 	rooModels,
 	sambaNovaModels,
+	sapAiCoreModels,
 	vertexModels,
 	vscodeLlmModels,
 	xaiModels,
@@ -66,6 +67,7 @@ export const providerNames = [
 	"featherless",
 	"io-intelligence",
 	"roo",
+	"sapaicore",
 	"vercel-ai-gateway",
 ] as const
 
@@ -330,6 +332,15 @@ const rooSchema = apiModelIdProviderModelSchema.extend({
 	// No additional fields needed - uses cloud authentication
 })
 
+const sapAiCoreSchema = apiModelIdProviderModelSchema.extend({
+	sapAiCoreClientId: z.string().optional(),
+	sapAiCoreClientSecret: z.string().optional(),
+	sapAiCoreTokenUrl: z.string().optional(),
+	sapAiResourceGroup: z.string().optional(),
+	sapAiCoreBaseUrl: z.string().optional(),
+	reasoningEffort: reasoningEffortWithMinimalSchema.optional(),
+	thinkingBudgetTokens: z.number().optional(),
+})
 const vercelAiGatewaySchema = baseProviderSettingsSchema.extend({
 	vercelAiGatewayApiKey: z.string().optional(),
 	vercelAiGatewayModelId: z.string().optional(),
@@ -374,6 +385,7 @@ export const providerSettingsSchemaDiscriminated = z.discriminatedUnion("apiProv
 	ioIntelligenceSchema.merge(z.object({ apiProvider: z.literal("io-intelligence") })),
 	qwenCodeSchema.merge(z.object({ apiProvider: z.literal("qwen-code") })),
 	rooSchema.merge(z.object({ apiProvider: z.literal("roo") })),
+	sapAiCoreSchema.merge(z.object({ apiProvider: z.literal("sapaicore") })),
 	vercelAiGatewaySchema.merge(z.object({ apiProvider: z.literal("vercel-ai-gateway") })),
 	defaultSchema,
 ])
@@ -414,6 +426,7 @@ export const providerSettingsSchema = z.object({
 	...ioIntelligenceSchema.shape,
 	...qwenCodeSchema.shape,
 	...rooSchema.shape,
+	...sapAiCoreSchema.shape,
 	...vercelAiGatewaySchema.shape,
 	...codebaseIndexProviderSchema.shape,
 })
@@ -543,6 +556,11 @@ export const MODELS_BY_PROVIDER: Record<
 		label: "SambaNova",
 		models: Object.keys(sambaNovaModels),
 	},
+	sapaicore: {
+		id: "sapaicore",
+		label: "SAP AI Core",
+		models: Object.keys(sapAiCoreModels),
+	},
 	vertex: {
 		id: "vertex",
 		label: "GCP Vertex AI",

packages/types/src/providers/index.ts

@@ -23,6 +23,7 @@ export * from "./qwen-code.js"
 export * from "./requesty.js"
 export * from "./roo.js"
 export * from "./sambanova.js"
+export * from "./sapaicore.js"
 export * from "./unbound.js"
 export * from "./vertex.js"
 export * from "./vscode-llm.js"

packages/types/src/providers/sapaicore.ts

@@ -0,0 +1,156 @@
+import type { ModelInfo } from "../model.js"
+
+export type SapAiCoreModelId = keyof typeof sapAiCoreModels
+export const sapAiCoreDefaultModelId: SapAiCoreModelId = "anthropic--claude-3.5-sonnet"
+const sapAiCoreModelDescription = "Pricing is calculated using SAP's Capacity Units rather than direct USD pricing."
+export const sapAiCoreModels = {
+	"anthropic--claude-4-sonnet": {
+		maxTokens: 8192,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: true,
+		description: sapAiCoreModelDescription,
+	},
+	"anthropic--claude-4-opus": {
+		maxTokens: 8192,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: true,
+		description: sapAiCoreModelDescription,
+	},
+	"anthropic--claude-3.7-sonnet": {
+		maxTokens: 64_000,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: true,
+		description: sapAiCoreModelDescription,
+	},
+	"anthropic--claude-3.5-sonnet": {
+		maxTokens: 8192,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: false,
+		description: sapAiCoreModelDescription,
+	},
+	"anthropic--claude-3-sonnet": {
+		maxTokens: 4096,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: false,
+		description: sapAiCoreModelDescription,
+	},
+	"anthropic--claude-3-haiku": {
+		maxTokens: 4096,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: false,
+		description: sapAiCoreModelDescription,
+	},
+	"anthropic--claude-3-opus": {
+		maxTokens: 4096,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: false,
+		description: sapAiCoreModelDescription,
+	},
+	"gemini-2.5-pro": {
+		maxTokens: 65536,
+		contextWindow: 1_048_576,
+		supportsImages: true,
+		supportsPromptCache: true,
+		maxThinkingTokens: 32_768,
+		description: sapAiCoreModelDescription,
+	},
+	"gemini-2.5-flash": {
+		maxTokens: 65536,
+		contextWindow: 1_048_576,
+		supportsImages: true,
+		supportsPromptCache: true,
+		maxThinkingTokens: 24_576,
+		description: sapAiCoreModelDescription,
+	},
+	"gpt-4": {
+		maxTokens: 4096,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: false,
+		description: sapAiCoreModelDescription,
+	},
+	"gpt-4o": {
+		maxTokens: 4096,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: false,
+		description: sapAiCoreModelDescription,
+	},
+	"gpt-4o-mini": {
+		maxTokens: 4096,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: false,
+		description: sapAiCoreModelDescription,
+	},
+	"gpt-4.1": {
+		maxTokens: 32_768,
+		contextWindow: 1_047_576,
+		supportsImages: true,
+		supportsPromptCache: true,
+		description: sapAiCoreModelDescription,
+	},
+	"gpt-4.1-nano": {
+		maxTokens: 32_768,
+		contextWindow: 1_047_576,
+		supportsImages: true,
+		supportsPromptCache: true,
+		description: sapAiCoreModelDescription,
+	},
+	"gpt-5": {
+		maxTokens: 128_000,
+		contextWindow: 272_000,
+		supportsImages: true,
+		supportsPromptCache: true,
+		description: sapAiCoreModelDescription,
+	},
+	"gpt-5-nano": {
+		maxTokens: 128_000,
+		contextWindow: 272_000,
+		supportsImages: true,
+		supportsPromptCache: true,
+		description: sapAiCoreModelDescription,
+	},
+	"gpt-5-mini": {
+		maxTokens: 128_000,
+		contextWindow: 272_000,
+		supportsImages: true,
+		supportsPromptCache: true,
+		description: sapAiCoreModelDescription,
+	},
+	o1: {
+		maxTokens: 4096,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: false,
+		description: sapAiCoreModelDescription,
+	},
+	o3: {
+		maxTokens: 100_000,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: true,
+		description: sapAiCoreModelDescription,
+	},
+	"o3-mini": {
+		maxTokens: 4096,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: false,
+		description: sapAiCoreModelDescription,
+	},
+	"o4-mini": {
+		maxTokens: 100_000,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: true,
+		description: sapAiCoreModelDescription,
+	},
+} as const satisfies Record<string, ModelInfo>

src/api/index.ts

@@ -38,6 +38,7 @@ import {
 	FireworksHandler,
 	RooHandler,
 	FeatherlessHandler,
+	SapAiCoreHandler,
 	VercelAiGatewayHandler,
 } from "./providers"
 import { NativeOllamaHandler } from "./providers/native-ollama"
@@ -160,6 +161,8 @@ export function buildApiHandler(configuration: ProviderSettings): ApiHandler {
 			return new RooHandler(options)
 		case "featherless":
 			return new FeatherlessHandler(options)
+		case "sapaicore":
+			return new SapAiCoreHandler(options)
 		case "vercel-ai-gateway":
 			return new VercelAiGatewayHandler(options)
 		default: