feat: add Jina as embedding provider for code indexing

- Add Jina to EmbedderProvider type and model profiles
- Implement JinaEmbedder class with multi-vector embeddings support
- Configure jina-embeddings-v4 model with code.query downstream task
- Add UI components for Jina provider selection and API key input
- Include proper error handling and rate limiting
- Add localization support for Jina-related messages

Author: Onnson

packages/types/src/codebase-index.ts

@@ -21,7 +21,9 @@ export const CODEBASE_INDEX_DEFAULTS = {
 export const codebaseIndexConfigSchema = z.object({
 	codebaseIndexEnabled: z.boolean().optional(),
 	codebaseIndexQdrantUrl: z.string().optional(),
-	codebaseIndexEmbedderProvider: z.enum(["openai", "ollama", "openai-compatible", "gemini", "mistral"]).optional(),
+	codebaseIndexEmbedderProvider: z
+		.enum(["openai", "ollama", "openai-compatible", "gemini", "mistral", "jina"])
+		.optional(),
 	codebaseIndexEmbedderBaseUrl: z.string().optional(),
 	codebaseIndexEmbedderModelId: z.string().optional(),
 	codebaseIndexEmbedderModelDimension: z.number().optional(),
@@ -48,6 +50,7 @@ export const codebaseIndexModelsSchema = z.object({
 	"openai-compatible": z.record(z.string(), z.object({ dimension: z.number() })).optional(),
 	gemini: z.record(z.string(), z.object({ dimension: z.number() })).optional(),
 	mistral: z.record(z.string(), z.object({ dimension: z.number() })).optional(),
+	jina: z.record(z.string(), z.object({ dimension: z.number() })).optional(),
 })
 
 export type CodebaseIndexModels = z.infer<typeof codebaseIndexModelsSchema>
@@ -64,6 +67,7 @@ export const codebaseIndexProviderSchema = z.object({
 	codebaseIndexOpenAiCompatibleModelDimension: z.number().optional(),
 	codebaseIndexGeminiApiKey: z.string().optional(),
 	codebaseIndexMistralApiKey: z.string().optional(),
+	codebaseIndexJinaApiKey: z.string().optional(),
 })
 
 export type CodebaseIndexProvider = z.infer<typeof codebaseIndexProviderSchema>

packages/types/src/global-settings.ts

@@ -186,6 +186,7 @@ export const SECRET_STATE_KEYS = [
 	"codebaseIndexOpenAiCompatibleApiKey",
 	"codebaseIndexGeminiApiKey",
 	"codebaseIndexMistralApiKey",
+	"codebaseIndexJinaApiKey",
 	"huggingFaceApiKey",
 ] as const satisfies readonly (keyof ProviderSettings)[]
 export type SecretState = Pick<ProviderSettings, (typeof SECRET_STATE_KEYS)[number]>

src/core/webview/webviewMessageHandler.ts

@@ -2036,6 +2036,9 @@ export const webviewMessageHandler = async (
 						settings.codebaseIndexMistralApiKey,
 					)
 				}
+				if (settings.codebaseIndexJinaApiKey !== undefined) {
+					await provider.contextProxy.storeSecret("codebaseIndexJinaApiKey", settings.codebaseIndexJinaApiKey)
+				}
 
 				// Send success response first - settings are saved regardless of validation
 				await provider.postMessageToWebview({
@@ -2157,6 +2160,7 @@ export const webviewMessageHandler = async (
 			))
 			const hasGeminiApiKey = !!(await provider.context.secrets.get("codebaseIndexGeminiApiKey"))
 			const hasMistralApiKey = !!(await provider.context.secrets.get("codebaseIndexMistralApiKey"))
+			const hasJinaApiKey = !!(await provider.context.secrets.get("codebaseIndexJinaApiKey"))
 
 			provider.postMessageToWebview({
 				type: "codeIndexSecretStatus",
@@ -2166,6 +2170,7 @@ export const webviewMessageHandler = async (
 					hasOpenAiCompatibleApiKey,
 					hasGeminiApiKey,
 					hasMistralApiKey,
+					hasJinaApiKey,
 				},
 			})
 			break

src/i18n/locales/en/embeddings.json

@@ -47,6 +47,7 @@
 		"openAiCompatibleConfigMissing": "OpenAI Compatible configuration missing for embedder creation",
 		"geminiConfigMissing": "Gemini configuration missing for embedder creation",
 		"mistralConfigMissing": "Mistral configuration missing for embedder creation",
+		"jinaConfigMissing": "Jina configuration missing for embedder creation",
 		"invalidEmbedderType": "Invalid embedder type configured: {{embedderProvider}}",
 		"vectorDimensionNotDeterminedOpenAiCompatible": "Could not determine vector dimension for model '{{modelId}}' with provider '{{provider}}'. Please ensure the 'Embedding Dimension' is correctly set in the OpenAI-Compatible provider settings.",
 		"vectorDimensionNotDetermined": "Could not determine vector dimension for model '{{modelId}}' with provider '{{provider}}'. Check model profiles or configuration.",

src/services/code-index/config-manager.ts

@@ -19,6 +19,7 @@ export class CodeIndexConfigManager {
 	private openAiCompatibleOptions?: { baseUrl: string; apiKey: string }
 	private geminiOptions?: { apiKey: string }
 	private mistralOptions?: { apiKey: string }
+	private jinaOptions?: { apiKey: string }
 	private qdrantUrl?: string = "http://localhost:6333"
 	private qdrantApiKey?: string
 	private searchMinScore?: number
@@ -69,6 +70,7 @@ export class CodeIndexConfigManager {
 		const openAiCompatibleApiKey = this.contextProxy?.getSecret("codebaseIndexOpenAiCompatibleApiKey") ?? ""
 		const geminiApiKey = this.contextProxy?.getSecret("codebaseIndexGeminiApiKey") ?? ""
 		const mistralApiKey = this.contextProxy?.getSecret("codebaseIndexMistralApiKey") ?? ""
+		const jinaApiKey = this.contextProxy?.getSecret("codebaseIndexJinaApiKey") ?? ""
 
 		// Update instance variables with configuration
 		this.codebaseIndexEnabled = codebaseIndexEnabled ?? true
@@ -104,6 +106,8 @@ export class CodeIndexConfigManager {
 			this.embedderProvider = "gemini"
 		} else if (codebaseIndexEmbedderProvider === "mistral") {
 			this.embedderProvider = "mistral"
+		} else if (codebaseIndexEmbedderProvider === "jina") {
+			this.embedderProvider = "jina"
 		} else {
 			this.embedderProvider = "openai"
 		}
@@ -124,6 +128,7 @@ export class CodeIndexConfigManager {
 
 		this.geminiOptions = geminiApiKey ? { apiKey: geminiApiKey } : undefined
 		this.mistralOptions = mistralApiKey ? { apiKey: mistralApiKey } : undefined
+		this.jinaOptions = jinaApiKey ? { apiKey: jinaApiKey } : undefined
 	}
 
 	/**
@@ -141,6 +146,7 @@ export class CodeIndexConfigManager {
 			openAiCompatibleOptions?: { baseUrl: string; apiKey: string }
 			geminiOptions?: { apiKey: string }
 			mistralOptions?: { apiKey: string }
+			jinaOptions?: { apiKey: string }
 			qdrantUrl?: string
 			qdrantApiKey?: string
 			searchMinScore?: number
@@ -160,6 +166,7 @@ export class CodeIndexConfigManager {
 			openAiCompatibleApiKey: this.openAiCompatibleOptions?.apiKey ?? "",
 			geminiApiKey: this.geminiOptions?.apiKey ?? "",
 			mistralApiKey: this.mistralOptions?.apiKey ?? "",
+			jinaApiKey: this.jinaOptions?.apiKey ?? "",
 			qdrantUrl: this.qdrantUrl ?? "",
 			qdrantApiKey: this.qdrantApiKey ?? "",
 		}
@@ -184,6 +191,7 @@ export class CodeIndexConfigManager {
 				openAiCompatibleOptions: this.openAiCompatibleOptions,
 				geminiOptions: this.geminiOptions,
 				mistralOptions: this.mistralOptions,
+				jinaOptions: this.jinaOptions,
 				qdrantUrl: this.qdrantUrl,
 				qdrantApiKey: this.qdrantApiKey,
 				searchMinScore: this.currentSearchMinScore,
@@ -221,6 +229,11 @@ export class CodeIndexConfigManager {
 			const qdrantUrl = this.qdrantUrl
 			const isConfigured = !!(apiKey && qdrantUrl)
 			return isConfigured
+		} else if (this.embedderProvider === "jina") {
+			const apiKey = this.jinaOptions?.apiKey
+			const qdrantUrl = this.qdrantUrl
+			const isConfigured = !!(apiKey && qdrantUrl)
+			return isConfigured
 		}
 		return false // Should not happen if embedderProvider is always set correctly
 	}
@@ -292,6 +305,7 @@ export class CodeIndexConfigManager {
 		const currentModelDimension = this.modelDimension
 		const currentGeminiApiKey = this.geminiOptions?.apiKey ?? ""
 		const currentMistralApiKey = this.mistralOptions?.apiKey ?? ""
+		const currentJinaApiKey = this.jinaOptions?.apiKey ?? ""
 		const currentQdrantUrl = this.qdrantUrl ?? ""
 		const currentQdrantApiKey = this.qdrantApiKey ?? ""
 
@@ -318,6 +332,11 @@ export class CodeIndexConfigManager {
 			return true
 		}
 
+		const prevJinaApiKey = prev?.jinaApiKey ?? ""
+		if (prevJinaApiKey !== currentJinaApiKey) {
+			return true
+		}
+
 		// Check for model dimension changes (generic for all providers)
 		if (prevModelDimension !== currentModelDimension) {
 			return true
@@ -375,6 +394,7 @@ export class CodeIndexConfigManager {
 			openAiCompatibleOptions: this.openAiCompatibleOptions,
 			geminiOptions: this.geminiOptions,
 			mistralOptions: this.mistralOptions,
+			jinaOptions: this.jinaOptions,
 			qdrantUrl: this.qdrantUrl,
 			qdrantApiKey: this.qdrantApiKey,
 			searchMinScore: this.currentSearchMinScore,