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Drake Thomsen 2026-01-30 09:21:43 -05:00 committed by GitHub
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10 changed files with 538 additions and 29 deletions

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@ -152,7 +152,7 @@
"engines": {
"node": ">=22.12.0"
},
"packageManager": "pnpm@10.23.0",
"packageManager": "pnpm@10.28.2",
"dependencies": {
"@agentclientprotocol/sdk": "0.13.1",
"@aws-sdk/client-bedrock": "^3.975.0",

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@ -5,12 +5,13 @@ import type { OpenClawConfig, MemorySearchConfig } from "../config/config.js";
import { resolveStateDir } from "../config/paths.js";
import { clampInt, clampNumber, resolveUserPath } from "../utils.js";
import { resolveAgentConfig } from "./agent-scope.js";
import { DEFAULT_MISTRAL_EMBEDDING_MODEL } from "../memory/embeddings-mistral.js";
export type ResolvedMemorySearchConfig = {
enabled: boolean;
sources: Array<"memory" | "sessions">;
extraPaths: string[];
provider: "openai" | "local" | "gemini" | "auto";
provider: "openai" | "local" | "gemini" | "mistral" | "auto";
remote?: {
baseUrl?: string;
apiKey?: string;
@ -26,7 +27,7 @@ export type ResolvedMemorySearchConfig = {
experimental: {
sessionMemory: boolean;
};
fallback: "openai" | "gemini" | "local" | "none";
fallback: "openai" | "gemini" | "mistral" | "local" | "none";
model: string;
local: {
modelPath?: string;
@ -129,7 +130,11 @@ function mergeConfig(
defaultRemote?.headers,
);
const includeRemote =
hasRemoteConfig || provider === "openai" || provider === "gemini" || provider === "auto";
hasRemoteConfig ||
provider === "openai" ||
provider === "gemini" ||
provider === "mistral" ||
provider === "auto";
const batch = {
enabled: overrideRemote?.batch?.enabled ?? defaultRemote?.batch?.enabled ?? true,
wait: overrideRemote?.batch?.wait ?? defaultRemote?.batch?.wait ?? true,
@ -154,9 +159,11 @@ function mergeConfig(
const modelDefault =
provider === "gemini"
? DEFAULT_GEMINI_MODEL
: provider === "openai"
? DEFAULT_OPENAI_MODEL
: undefined;
: provider === "mistral"
? DEFAULT_MISTRAL_EMBEDDING_MODEL
: provider === "openai"
? DEFAULT_OPENAI_MODEL
: undefined;
const model = overrides?.model ?? defaults?.model ?? modelDefault ?? "";
const local = {
modelPath: overrides?.local?.modelPath ?? defaults?.local?.modelPath,

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@ -504,14 +504,15 @@ const FIELD_HELP: Record<string, string> = {
"Extra paths to include in memory search (directories or .md files; relative paths resolved from workspace).",
"agents.defaults.memorySearch.experimental.sessionMemory":
"Enable experimental session transcript indexing for memory search (default: false).",
"agents.defaults.memorySearch.provider": 'Embedding provider ("openai", "gemini", or "local").',
"agents.defaults.memorySearch.provider":
'Embedding provider ("openai", "gemini", "mistral", or "local").',
"agents.defaults.memorySearch.remote.baseUrl":
"Custom base URL for remote embeddings (OpenAI-compatible proxies or Gemini overrides).",
"agents.defaults.memorySearch.remote.apiKey": "Custom API key for the remote embedding provider.",
"agents.defaults.memorySearch.remote.headers":
"Extra headers for remote embeddings (merged; remote overrides OpenAI headers).",
"agents.defaults.memorySearch.remote.batch.enabled":
"Enable batch API for memory embeddings (OpenAI/Gemini; default: true).",
"Enable batch API for memory embeddings (OpenAI/Gemini/Mistral; default: true).",
"agents.defaults.memorySearch.remote.batch.wait":
"Wait for batch completion when indexing (default: true).",
"agents.defaults.memorySearch.remote.batch.concurrency":
@ -523,7 +524,7 @@ const FIELD_HELP: Record<string, string> = {
"agents.defaults.memorySearch.local.modelPath":
"Local GGUF model path or hf: URI (node-llama-cpp).",
"agents.defaults.memorySearch.fallback":
'Fallback provider when embeddings fail ("openai", "gemini", "local", or "none").',
'Fallback provider when embeddings fail ("openai", "gemini", "mistral", "local", or "none").',
"agents.defaults.memorySearch.store.path":
"SQLite index path (default: ~/.openclaw/memory/{agentId}.sqlite).",
"agents.defaults.memorySearch.store.vector.enabled":

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@ -234,13 +234,13 @@ export type MemorySearchConfig = {
sessionMemory?: boolean;
};
/** Embedding provider mode. */
provider?: "openai" | "gemini" | "local";
provider?: "openai" | "gemini" | "mistral" | "local";
remote?: {
baseUrl?: string;
apiKey?: string;
headers?: Record<string, string>;
batch?: {
/** Enable batch API for embedding indexing (OpenAI/Gemini; default: true). */
/** Enable batch API for embedding indexing (OpenAI/Gemini/Mistral; default: true). */
enabled?: boolean;
/** Wait for batch completion (default: true). */
wait?: boolean;
@ -253,7 +253,7 @@ export type MemorySearchConfig = {
};
};
/** Fallback behavior when embeddings fail. */
fallback?: "openai" | "gemini" | "local" | "none";
fallback?: "openai" | "gemini" | "mistral" | "local" | "none";
/** Embedding model id (remote) or alias (local). */
model?: string;
/** Local embedding settings (node-llama-cpp). */

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@ -311,7 +311,9 @@ export const MemorySearchSchema = z
})
.strict()
.optional(),
provider: z.union([z.literal("openai"), z.literal("local"), z.literal("gemini")]).optional(),
provider: z
.union([z.literal("openai"), z.literal("local"), z.literal("gemini"), z.literal("mistral")])
.optional(),
remote: z
.object({
baseUrl: z.string().optional(),
@ -331,7 +333,13 @@ export const MemorySearchSchema = z
.strict()
.optional(),
fallback: z
.union([z.literal("openai"), z.literal("gemini"), z.literal("local"), z.literal("none")])
.union([
z.literal("openai"),
z.literal("gemini"),
z.literal("mistral"),
z.literal("local"),
z.literal("none"),
])
.optional(),
model: z.string().optional(),
local: z

172
src/memory/batch-mistral.ts Normal file
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@ -0,0 +1,172 @@
import type { MistralEmbeddingClient } from "./embeddings-mistral.js";
export type MistralBatchRequest = {
custom_id: string;
text: string;
};
export type MistralBatchStatus = {
id?: string;
status?: string;
output?: Map<string, number[]>;
error?: string;
};
const MISTRAL_BATCH_MAX_REQUESTS = 100;
function getMistralBaseUrl(mistral: MistralEmbeddingClient): string {
return mistral.baseUrl?.replace(/\/$/, "") ?? "";
}
function getMistralHeaders(mistral: MistralEmbeddingClient): Record<string, string> {
const headers = mistral.headers ? { ...mistral.headers } : {};
if (!headers["Content-Type"] && !headers["content-type"]) {
headers["Content-Type"] = "application/json";
}
return headers;
}
function splitMistralBatchRequests(requests: MistralBatchRequest[]): MistralBatchRequest[][] {
if (requests.length <= MISTRAL_BATCH_MAX_REQUESTS) return [requests];
const groups: MistralBatchRequest[][] = [];
for (let i = 0; i < requests.length; i += MISTRAL_BATCH_MAX_REQUESTS) {
groups.push(requests.slice(i, i + MISTRAL_BATCH_MAX_REQUESTS));
}
return groups;
}
async function submitMistralBatch(params: {
mistral: MistralEmbeddingClient;
requests: MistralBatchRequest[];
}): Promise<Map<string, number[]>> {
if (params.requests.length === 0) return new Map();
const baseUrl = getMistralBaseUrl(params.mistral);
const url = `${baseUrl}/embeddings`;
const byCustomId = new Map<string, number[]>();
// Process all requests in one batch API call
const inputTexts = params.requests.map((req) => req.text);
const res = await fetch(url, {
method: "POST",
headers: getMistralHeaders(params.mistral),
body: JSON.stringify({
model: params.mistral.model,
input: inputTexts,
}),
});
if (!res.ok) {
const text = await res.text();
throw new Error(`mistral batch failed: ${res.status} ${text}`);
}
const payload = (await res.json()) as {
data?: Array<{ embedding?: number[]; index?: number }>;
error?: { message?: string };
};
if (payload.error?.message) {
throw new Error(`mistral batch failed: ${payload.error.message}`);
}
const data = payload.data ?? [];
if (data.length !== params.requests.length) {
throw new Error(
`mistral batch failed: expected ${params.requests.length} results, got ${data.length}`,
);
}
// Map results back to custom IDs
for (let i = 0; i < data.length; i++) {
const result = data[i];
const customId = params.requests[i].custom_id;
const embedding = result.embedding ?? [];
if (embedding.length === 0) {
throw new Error(`mistral batch failed: empty embedding for ${customId}`);
}
byCustomId.set(customId, embedding);
}
return byCustomId;
}
async function runWithConcurrency<T>(tasks: Array<() => Promise<T>>, limit: number): Promise<T[]> {
if (tasks.length === 0) return [];
const resolvedLimit = Math.max(1, Math.min(limit, tasks.length));
const results: T[] = Array.from({ length: tasks.length });
let next = 0;
let firstError: unknown = null;
const workers = Array.from({ length: resolvedLimit }, async () => {
while (true) {
if (firstError) return;
const index = next;
next += 1;
if (index >= tasks.length) return;
try {
results[index] = await tasks[index]();
} catch (err) {
firstError = err;
return;
}
}
});
await Promise.allSettled(workers);
if (firstError) throw firstError;
return results;
}
export async function runMistralEmbeddingBatches(params: {
mistral: MistralEmbeddingClient;
agentId: string;
requests: MistralBatchRequest[];
wait: boolean;
pollIntervalMs: number;
timeoutMs: number;
concurrency: number;
debug?: (message: string, data?: Record<string, unknown>) => void;
}): Promise<Map<string, number[]>> {
if (params.requests.length === 0) return new Map();
const groups = splitMistralBatchRequests(params.requests);
const byCustomId = new Map<string, number[]>();
const tasks = groups.map((group, groupIndex) => async () => {
params.debug?.("memory embeddings: mistral batch start", {
group: groupIndex + 1,
groups: groups.length,
requests: group.length,
});
const results = await submitMistralBatch({
mistral: params.mistral,
requests: group,
});
params.debug?.("memory embeddings: mistral batch complete", {
group: groupIndex + 1,
results: results.size,
});
// Merge results into main map
for (const [customId, embedding] of results.entries()) {
byCustomId.set(customId, embedding);
}
});
params.debug?.("memory embeddings: mistral batch submit", {
requests: params.requests.length,
groups: groups.length,
wait: params.wait,
concurrency: params.concurrency,
pollIntervalMs: params.pollIntervalMs,
timeoutMs: params.timeoutMs,
});
await runWithConcurrency(tasks, params.concurrency);
return byCustomId;
}

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@ -0,0 +1,90 @@
import { requireApiKey, resolveApiKeyForProvider } from "../agents/model-auth.js";
import type { EmbeddingProvider, EmbeddingProviderOptions } from "./embeddings.js";
export type MistralEmbeddingClient = {
baseUrl: string;
headers: Record<string, string>;
model: string;
};
export const DEFAULT_MISTRAL_EMBEDDING_MODEL = "mistral-embed";
const DEFAULT_MISTRAL_BASE_URL = "https://api.mistral.ai/v1";
export function normalizeMistralModel(model: string): string {
const trimmed = model.trim();
if (!trimmed) return DEFAULT_MISTRAL_EMBEDDING_MODEL;
if (trimmed.startsWith("mistral/")) return trimmed.slice("mistral/".length);
return trimmed;
}
export async function createMistralEmbeddingProvider(
options: EmbeddingProviderOptions,
): Promise<{ provider: EmbeddingProvider; client: MistralEmbeddingClient }> {
const client = await resolveMistralEmbeddingClient(options);
const url = `${client.baseUrl.replace(/\/$/, "")}/embeddings`;
const embed = async (input: string[]): Promise<number[][]> => {
if (input.length === 0) return [];
const res = await fetch(url, {
method: "POST",
headers: client.headers,
body: JSON.stringify({ model: client.model, input }),
});
if (!res.ok) {
const text = await res.text();
throw new Error(`mistral embeddings failed: ${res.status} ${text}`);
}
const payload = (await res.json()) as {
data?: Array<{ embedding?: number[] }>;
error?: { message?: string };
};
if (payload.error?.message) {
throw new Error(`mistral embeddings failed: ${payload.error.message}`);
}
const data = payload.data ?? [];
return data.map((entry) => entry.embedding ?? []);
};
return {
provider: {
id: "mistral",
model: client.model,
embedQuery: async (text) => {
const [vec] = await embed([text]);
return vec ?? [];
},
embedBatch: embed,
},
client,
};
}
export async function resolveMistralEmbeddingClient(
options: EmbeddingProviderOptions,
): Promise<MistralEmbeddingClient> {
const remote = options.remote;
const remoteApiKey = remote?.apiKey?.trim();
const remoteBaseUrl = remote?.baseUrl?.trim();
const apiKey = remoteApiKey
? remoteApiKey
: requireApiKey(
await resolveApiKeyForProvider({
provider: "mistral",
cfg: options.config,
agentDir: options.agentDir,
}),
"mistral",
);
const providerConfig = options.config.models?.providers?.mistral;
const baseUrl = remoteBaseUrl || providerConfig?.baseUrl?.trim() || DEFAULT_MISTRAL_BASE_URL;
const headerOverrides = Object.assign({}, providerConfig?.headers, remote?.headers);
const headers: Record<string, string> = {
"Content-Type": "application/json",
Authorization: `Bearer ${apiKey}`,
...headerOverrides,
};
const model = normalizeMistralModel(options.model);
return { baseUrl, headers, model };
}

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@ -18,6 +18,109 @@ const createFetchMock = () =>
})) as unknown as typeof fetch;
describe("embedding provider remote overrides", () => {
it("builds Mistral embeddings requests with api key header", async () => {
const fetchMock = vi.fn(async () => ({
ok: true,
status: 200,
json: async () => ({ data: [{ embedding: [1, 2, 3] }] }),
})) as unknown as typeof fetch;
vi.stubGlobal("fetch", fetchMock);
const { createEmbeddingProvider } = await import("./embeddings.js");
const authModule = await import("../agents/model-auth.js");
vi.mocked(authModule.resolveApiKeyForProvider).mockResolvedValue({
apiKey: "mistral-key",
mode: "api-key",
source: "test",
});
const cfg = {
models: {
providers: {
mistral: {
baseUrl: "https://api.mistral.ai/v1",
},
},
},
};
const result = await createEmbeddingProvider({
config: cfg as never,
provider: "mistral",
remote: {
apiKey: "mistral-key",
},
model: "mistral-embed",
fallback: "openai",
});
await result.provider.embedQuery("hello");
const [url, init] = fetchMock.mock.calls[0] ?? [];
expect(url).toBe("https://api.mistral.ai/v1/embeddings");
const headers = (init?.headers ?? {}) as Record<string, string>;
expect(headers.Authorization).toBe("Bearer mistral-key");
expect(headers["Content-Type"]).toBe("application/json");
});
it("uses Mistral remote baseUrl/apiKey and merges headers", async () => {
const fetchMock = vi.fn(async () => ({
ok: true,
status: 200,
json: async () => ({ data: [{ embedding: [1, 2, 3] }] }),
})) as unknown as typeof fetch;
vi.stubGlobal("fetch", fetchMock);
const { createEmbeddingProvider } = await import("./embeddings.js");
const authModule = await import("../agents/model-auth.js");
vi.mocked(authModule.resolveApiKeyForProvider).mockResolvedValue({
apiKey: "provider-key",
mode: "api-key",
source: "test",
});
const cfg = {
models: {
providers: {
mistral: {
baseUrl: "https://provider.example/v1",
headers: {
"X-Provider": "p",
"X-Shared": "provider",
},
},
},
},
};
const result = await createEmbeddingProvider({
config: cfg as never,
provider: "mistral",
remote: {
baseUrl: "https://remote.example/v1",
apiKey: " remote-key ",
headers: {
"X-Shared": "remote",
"X-Remote": "r",
},
},
model: "mistral-embed",
fallback: "openai",
});
await result.provider.embedQuery("hello");
expect(authModule.resolveApiKeyForProvider).not.toHaveBeenCalled();
const [url, init] = fetchMock.mock.calls[0] ?? [];
expect(url).toBe("https://remote.example/v1/embeddings");
const headers = (init?.headers ?? {}) as Record<string, string>;
expect(headers.Authorization).toBe("Bearer remote-key");
expect(headers["Content-Type"]).toBe("application/json");
expect(headers["X-Provider"]).toBe("p");
expect(headers["X-Shared"]).toBe("remote");
expect(headers["X-Remote"]).toBe("r");
});
afterEach(() => {
vi.resetAllMocks();
vi.resetModules();
@ -167,6 +270,27 @@ describe("embedding provider remote overrides", () => {
});
describe("embedding provider auto selection", () => {
it("prefers mistral when a key resolves", async () => {
const { createEmbeddingProvider } = await import("./embeddings.js");
const authModule = await import("../agents/model-auth.js");
vi.mocked(authModule.resolveApiKeyForProvider).mockImplementation(async ({ provider }) => {
if (provider === "mistral") {
return { apiKey: "mistral-key", source: "env: MISTRAL_API_KEY", mode: "api-key" };
}
throw new Error(`No API key found for provider "${provider}".`);
});
const result = await createEmbeddingProvider({
config: {} as never,
provider: "auto",
model: "",
fallback: "none",
});
expect(result.requestedProvider).toBe("auto");
expect(result.provider.id).toBe("mistral");
});
afterEach(() => {
vi.resetAllMocks();
vi.resetModules();

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@ -4,10 +4,15 @@ import type { Llama, LlamaEmbeddingContext, LlamaModel } from "node-llama-cpp";
import type { OpenClawConfig } from "../config/config.js";
import { resolveUserPath } from "../utils.js";
import { createGeminiEmbeddingProvider, type GeminiEmbeddingClient } from "./embeddings-gemini.js";
import {
createMistralEmbeddingProvider,
type MistralEmbeddingClient,
} from "./embeddings-mistral.js";
import { createOpenAiEmbeddingProvider, type OpenAiEmbeddingClient } from "./embeddings-openai.js";
import { importNodeLlamaCpp } from "./node-llama.js";
export type { GeminiEmbeddingClient } from "./embeddings-gemini.js";
export type { MistralEmbeddingClient } from "./embeddings-mistral.js";
export type { OpenAiEmbeddingClient } from "./embeddings-openai.js";
export type EmbeddingProvider = {
@ -19,24 +24,25 @@ export type EmbeddingProvider = {
export type EmbeddingProviderResult = {
provider: EmbeddingProvider;
requestedProvider: "openai" | "local" | "gemini" | "auto";
fallbackFrom?: "openai" | "local" | "gemini";
requestedProvider: "openai" | "local" | "gemini" | "mistral" | "auto";
fallbackFrom?: "openai" | "local" | "gemini" | "mistral";
fallbackReason?: string;
openAi?: OpenAiEmbeddingClient;
gemini?: GeminiEmbeddingClient;
mistral?: MistralEmbeddingClient;
};
export type EmbeddingProviderOptions = {
config: OpenClawConfig;
agentDir?: string;
provider: "openai" | "local" | "gemini" | "auto";
provider: "openai" | "local" | "gemini" | "mistral" | "auto";
remote?: {
baseUrl?: string;
apiKey?: string;
headers?: Record<string, string>;
};
model: string;
fallback: "openai" | "gemini" | "local" | "none";
fallback: "openai" | "gemini" | "mistral" | "local" | "none";
local?: {
modelPath?: string;
modelCacheDir?: string;
@ -116,7 +122,7 @@ export async function createEmbeddingProvider(
const requestedProvider = options.provider;
const fallback = options.fallback;
const createProvider = async (id: "openai" | "local" | "gemini") => {
const createProvider = async (id: "openai" | "local" | "gemini" | "mistral") => {
if (id === "local") {
const provider = await createLocalEmbeddingProvider(options);
return { provider };
@ -125,11 +131,15 @@ export async function createEmbeddingProvider(
const { provider, client } = await createGeminiEmbeddingProvider(options);
return { provider, gemini: client };
}
if (id === "mistral") {
const { provider, client } = await createMistralEmbeddingProvider(options);
return { provider, mistral: client };
}
const { provider, client } = await createOpenAiEmbeddingProvider(options);
return { provider, openAi: client };
};
const formatPrimaryError = (err: unknown, provider: "openai" | "local" | "gemini") =>
const formatPrimaryError = (err: unknown, provider: "openai" | "local" | "gemini" | "mistral") =>
provider === "local" ? formatLocalSetupError(err) : formatError(err);
if (requestedProvider === "auto") {
@ -145,7 +155,7 @@ export async function createEmbeddingProvider(
}
}
for (const provider of ["openai", "gemini"] as const) {
for (const provider of ["openai", "gemini", "mistral"] as const) {
try {
const result = await createProvider(provider);
return { ...result, requestedProvider };
@ -224,3 +234,5 @@ function formatLocalSetupError(err: unknown): string {
.filter(Boolean)
.join("\n");
}
export { createMistralEmbeddingProvider } from "./embeddings-mistral.js";

View File

@ -19,9 +19,11 @@ import {
type EmbeddingProvider,
type EmbeddingProviderResult,
type GeminiEmbeddingClient,
type MistralEmbeddingClient,
type OpenAiEmbeddingClient,
} from "./embeddings.js";
import { DEFAULT_GEMINI_EMBEDDING_MODEL } from "./embeddings-gemini.js";
import { DEFAULT_MISTRAL_EMBEDDING_MODEL } from "./embeddings-mistral.js";
import { DEFAULT_OPENAI_EMBEDDING_MODEL } from "./embeddings-openai.js";
import {
OPENAI_BATCH_ENDPOINT,
@ -29,6 +31,7 @@ import {
runOpenAiEmbeddingBatches,
} from "./batch-openai.js";
import { runGeminiEmbeddingBatches, type GeminiBatchRequest } from "./batch-gemini.js";
import { runMistralEmbeddingBatches, type MistralBatchRequest } from "./batch-mistral.js";
import {
buildFileEntry,
chunkMarkdown,
@ -123,11 +126,12 @@ export class MemoryIndexManager {
private readonly workspaceDir: string;
private readonly settings: ResolvedMemorySearchConfig;
private provider: EmbeddingProvider;
private readonly requestedProvider: "openai" | "local" | "gemini" | "auto";
private fallbackFrom?: "openai" | "local" | "gemini";
private readonly requestedProvider: "openai" | "local" | "gemini" | "mistral" | "auto";
private fallbackFrom?: "openai" | "local" | "gemini" | "mistral";
private fallbackReason?: string;
private openAi?: OpenAiEmbeddingClient;
private gemini?: GeminiEmbeddingClient;
private mistral?: MistralEmbeddingClient;
private batch: {
enabled: boolean;
wait: boolean;
@ -224,6 +228,7 @@ export class MemoryIndexManager {
this.fallbackReason = params.providerResult.fallbackReason;
this.openAi = params.providerResult.openAi;
this.gemini = params.providerResult.gemini;
this.mistral = params.providerResult.mistral;
this.sources = new Set(params.settings.sources);
this.db = this.openDatabase();
this.providerKey = this.computeProviderKey();
@ -1303,7 +1308,8 @@ export class MemoryIndexManager {
const enabled = Boolean(
batch?.enabled &&
((this.openAi && this.provider.id === "openai") ||
(this.gemini && this.provider.id === "gemini")),
(this.gemini && this.provider.id === "gemini") ||
(this.mistral && this.provider.id === "mistral")),
);
return {
enabled,
@ -1318,14 +1324,16 @@ export class MemoryIndexManager {
const fallback = this.settings.fallback;
if (!fallback || fallback === "none" || fallback === this.provider.id) return false;
if (this.fallbackFrom) return false;
const fallbackFrom = this.provider.id as "openai" | "gemini" | "local";
const fallbackFrom = this.provider.id as "openai" | "gemini" | "mistral" | "local";
const fallbackModel =
fallback === "gemini"
? DEFAULT_GEMINI_EMBEDDING_MODEL
: fallback === "openai"
? DEFAULT_OPENAI_EMBEDDING_MODEL
: this.settings.model;
: fallback === "mistral"
? DEFAULT_MISTRAL_EMBEDDING_MODEL
: fallback === "openai"
? DEFAULT_OPENAI_EMBEDDING_MODEL
: this.settings.model;
const fallbackResult = await createEmbeddingProvider({
config: this.cfg,
@ -1342,6 +1350,7 @@ export class MemoryIndexManager {
this.provider = fallbackResult.provider;
this.openAi = fallbackResult.openAi;
this.gemini = fallbackResult.gemini;
this.mistral = fallbackResult.mistral;
this.providerKey = this.computeProviderKey();
this.batch = this.resolveBatchConfig();
log.warn(`memory embeddings: switched to fallback provider (${fallback})`, { reason });
@ -1758,6 +1767,20 @@ export class MemoryIndexManager {
}),
);
}
if (this.provider.id === "mistral" && this.mistral) {
const entries = Object.entries(this.mistral.headers)
.filter(([key]) => key.toLowerCase() !== "authorization")
.sort(([a], [b]) => a.localeCompare(b))
.map(([key, value]) => [key, value]);
return hashText(
JSON.stringify({
provider: "mistral",
baseUrl: this.mistral.baseUrl,
model: this.mistral.model,
headers: entries,
}),
);
}
return hashText(JSON.stringify({ provider: this.provider.id, model: this.provider.model }));
}
@ -1772,6 +1795,9 @@ export class MemoryIndexManager {
if (this.provider.id === "gemini" && this.gemini) {
return this.embedChunksWithGeminiBatch(chunks, entry, source);
}
if (this.provider.id === "mistral" && this.mistral) {
return this.embedChunksWithMistralBatch(chunks, entry, source);
}
return this.embedChunksInBatches(chunks);
}
@ -1918,6 +1944,75 @@ export class MemoryIndexManager {
return embeddings;
}
private async embedChunksWithMistralBatch(
chunks: MemoryChunk[],
entry: MemoryFileEntry | SessionFileEntry,
source: MemorySource,
): Promise<number[][]> {
const mistral = this.mistral;
if (!mistral) {
return this.embedChunksInBatches(chunks);
}
if (chunks.length === 0) return [];
const cached = this.loadEmbeddingCache(chunks.map((chunk) => chunk.hash));
const embeddings: number[][] = Array.from({ length: chunks.length }, () => []);
const missing: Array<{ index: number; chunk: MemoryChunk }> = [];
for (let i = 0; i < chunks.length; i += 1) {
const chunk = chunks[i];
const hit = chunk?.hash ? cached.get(chunk.hash) : undefined;
if (hit && hit.length > 0) {
embeddings[i] = hit;
} else if (chunk) {
missing.push({ index: i, chunk });
}
}
if (missing.length === 0) return embeddings;
const requests: MistralBatchRequest[] = [];
const mapping = new Map<string, { index: number; hash: string }>();
for (const item of missing) {
const chunk = item.chunk;
const customId = hashText(
`${source}:${entry.path}:${chunk.startLine}:${chunk.endLine}:${chunk.hash}:${item.index}`,
);
mapping.set(customId, { index: item.index, hash: chunk.hash });
requests.push({
custom_id: customId,
text: chunk.text,
});
}
const batchResult = await this.runBatchWithFallback({
provider: "mistral",
run: async () =>
await runMistralEmbeddingBatches({
mistral,
agentId: this.agentId,
requests,
wait: this.batch.wait,
concurrency: this.batch.concurrency,
pollIntervalMs: this.batch.pollIntervalMs,
timeoutMs: this.batch.timeoutMs,
debug: (message, data) => log.debug(message, { ...data, source, chunks: chunks.length }),
}),
fallback: async () => await this.embedChunksInBatches(chunks),
});
if (Array.isArray(batchResult)) return batchResult;
const byCustomId = batchResult;
const toCache: Array<{ hash: string; embedding: number[] }> = [];
for (const [customId, embedding] of byCustomId.entries()) {
const mapped = mapping.get(customId);
if (!mapped) continue;
embeddings[mapped.index] = embedding;
toCache.push({ hash: mapped.hash, embedding });
}
this.upsertEmbeddingCache(toCache);
return embeddings;
}
private async embedBatchWithRetry(texts: string[]): Promise<number[][]> {
if (texts.length === 0) return [];
let attempt = 0;