fix: resolve env vars in retrieval rerank config (#414)

Author: ChaoYang78

index.ts

@@ -3929,7 +3929,25 @@ export function parsePluginConfig(value: unknown): PluginConfig {
       ? cfg.autoRecallExcludeAgents.filter((id: unknown): id is string => typeof id === "string" && id.trim() !== "")
       : undefined,
     captureAssistant: cfg.captureAssistant === true,
-    retrieval: typeof cfg.retrieval === "object" && cfg.retrieval !== null ? cfg.retrieval as any : undefined,
+    retrieval:
+      typeof cfg.retrieval === "object" && cfg.retrieval !== null
+        ? (() => {
+          const retrieval = { ...(cfg.retrieval as Record<string, unknown>) } as Record<string, unknown>;
+          if (typeof retrieval.rerankApiKey === "string") {
+            retrieval.rerankApiKey = resolveEnvVars(retrieval.rerankApiKey);
+          }
+          if (typeof retrieval.rerankEndpoint === "string") {
+            retrieval.rerankEndpoint = resolveEnvVars(retrieval.rerankEndpoint);
+          }
+          if (typeof retrieval.rerankModel === "string") {
+            retrieval.rerankModel = resolveEnvVars(retrieval.rerankModel);
+          }
+          if (typeof retrieval.rerankProvider === "string") {
+            retrieval.rerankProvider = resolveEnvVars(retrieval.rerankProvider);
+          }
+          return retrieval as any;
+        })()
+        : undefined,
     decay: typeof cfg.decay === "object" && cfg.decay !== null ? cfg.decay as any : undefined,
     tier: typeof cfg.tier === "object" && cfg.tier !== null ? cfg.tier as any : undefined,
     // Smart extraction config (Phase 1)

test/resolve-env-vars-array.test.mjs

@@ -179,3 +179,34 @@ test("parsePluginConfig rejects empty array apiKey", () => {
     /apiKey/,
   );
 });
+
+test("parsePluginConfig resolves env vars in retrieval rerank config", () => {
+  process.env.__TEST_RERANK_KEY = "rerank-key-from-env";
+  process.env.__TEST_RERANK_ENDPOINT = "https://api.jina.ai/v1/rerank";
+  process.env.__TEST_RERANK_MODEL = "jina-reranker-v2-base-multilingual";
+  process.env.__TEST_RERANK_PROVIDER = "jina";
+  try {
+    const config = parsePluginConfig({
+      embedding: {
+        apiKey: "embed-key",
+        model: "text-embedding-3-small",
+      },
+      retrieval: {
+        rerank: "cross-encoder",
+        rerankApiKey: "${__TEST_RERANK_KEY}",
+        rerankEndpoint: "${__TEST_RERANK_ENDPOINT}",
+        rerankModel: "${__TEST_RERANK_MODEL}",
+        rerankProvider: "${__TEST_RERANK_PROVIDER}",
+      },
+    });
+    assert.equal(config.retrieval.rerankApiKey, "rerank-key-from-env");
+    assert.equal(config.retrieval.rerankEndpoint, "https://api.jina.ai/v1/rerank");
+    assert.equal(config.retrieval.rerankModel, "jina-reranker-v2-base-multilingual");
+    assert.equal(config.retrieval.rerankProvider, "jina");
+  } finally {
+    delete process.env.__TEST_RERANK_KEY;
+    delete process.env.__TEST_RERANK_ENDPOINT;
+    delete process.env.__TEST_RERANK_MODEL;
+    delete process.env.__TEST_RERANK_PROVIDER;
+  }
+});