fix: align Gemini viewer embedding test

apps/memos-local-openclaw/src/embedding/providers/gemini.ts

@@ -5,7 +5,7 @@ export async function embedGemini(
   cfg: EmbeddingConfig,
   log: Logger,
 ): Promise<number[][]> {
-  const model = cfg.model ?? "text-embedding-004";
+  const model = cfg.model ?? "gemini-embedding-001";
   const endpoint =
     cfg.endpoint ??
     `https://generativelanguage.googleapis.com/v1beta/models/${model}:batchEmbedContents`;

apps/memos-local-openclaw/src/viewer/html.ts

@@ -7234,7 +7234,7 @@ var _providerDefaults={
   cohere:{endpoint:'https://api.cohere.com/v2',embModel:'embed-english-v3.0'},
   mistral:{endpoint:'https://api.mistral.ai/v1',embModel:'mistral-embed'},
   voyage:{endpoint:'https://api.voyageai.com/v1',embModel:'voyage-3'},
-  gemini:{endpoint:'',embModel:'text-embedding-004',chatModel:'gemini-2.0-flash'},
+  gemini:{endpoint:'',embModel:'gemini-embedding-001',chatModel:'gemini-2.0-flash'},
   zhipu:{endpoint:'https://open.bigmodel.cn/api/paas/v4',embModel:'embedding-3',chatModel:'glm-4-flash'},
   deepseek:{endpoint:'https://api.deepseek.com/v1',chatModel:'deepseek-chat'},
   bailian:{endpoint:'https://coding.dashscope.aliyuncs.com/v1',embModel:'text-embedding-v3',chatModel:'qwen-max'},

apps/memos-local-openclaw/src/viewer/server.ts

@@ -3812,19 +3812,30 @@ export class ViewerServer {
       return vecs[0].length;
     }
     if (provider === "gemini") {
-      const url = `https://generativelanguage.googleapis.com/v1/models/${model || "text-embedding-004"}:embedContent?key=${apiKey}`;
+      const geminiModel = model || "gemini-embedding-001";
+      const geminiEndpoint = (
+        endpoint ||
+        `https://generativelanguage.googleapis.com/v1beta/models/${geminiModel}:batchEmbedContents`
+      ).replace(/\/+$/, "");
+      const separator = geminiEndpoint.includes("?") ? "&" : "?";
+      const url = `${geminiEndpoint}${separator}key=${apiKey}`;
       const resp = await fetch(url, {
         method: "POST",
         headers: { "Content-Type": "application/json" },
-        body: JSON.stringify({ content: { parts: [{ text: "test embedding vector" }] } }),
+        body: JSON.stringify({
+          requests: [{
+            model: `models/${geminiModel}`,
+            content: { parts: [{ text: "test embedding vector" }] },
+          }],
+        }),
         signal: AbortSignal.timeout(15_000),
       });
       if (!resp.ok) {
         const txt = await resp.text();
         throw new Error(`Gemini embed ${resp.status}: ${txt}`);
       }
       const json = await resp.json() as any;
-      const vec = json?.embedding?.values;
+      const vec = json?.embeddings?.[0]?.values;
       if (!Array.isArray(vec) || vec.length === 0) {
         throw new Error("Gemini returned empty embedding vector");
       }

apps/memos-local-openclaw/tests/gemini-viewer-test.test.ts

@@ -0,0 +1,24 @@
+import { describe, expect, it } from "vitest";
+import fs from "node:fs";
+import path from "node:path";
+
+const root = process.cwd();
+
+describe("Gemini viewer embedding test", () => {
+  it("uses the batch embedding API and current default model", () => {
+    const server = fs.readFileSync(path.join(root, "src/viewer/server.ts"), "utf-8");
+    const provider = fs.readFileSync(
+      path.join(root, "src/embedding/providers/gemini.ts"),
+      "utf-8",
+    );
+    const html = fs.readFileSync(path.join(root, "src/viewer/html.ts"), "utf-8");
+
+    expect(server).toContain("v1beta/models/${geminiModel}:batchEmbedContents");
+    expect(server).toContain("const geminiEndpoint = (");
+    expect(server).toContain("requests: [{");
+    expect(server).toContain("json?.embeddings?.[0]?.values");
+    expect(server).not.toContain(":embedContent?key=${apiKey}");
+    expect(provider).toContain('cfg.model ?? "gemini-embedding-001"');
+    expect(html).toContain("embModel:'gemini-embedding-001'");
+  });
+});