experiment: recover semantic evaluation configuration

tests/graph/decision-relevance-semantic.test.js

@@ -9,6 +9,9 @@
  * Model call infrastructure is minimal: one inline helper using fetch to Ollama /api/chat.
  */
 
+import dotenv from "dotenv";
+dotenv.config({ path: ".env.local" });
+
 import { describe, it, expect, beforeAll, afterEach } from "vitest";
 import { assessQuestionRelevanceToDecision } from "@/lib/graph/question-decision-relevance.js";
 
@@ -75,9 +78,11 @@ const PARAPHRASE_UNRELATED_PHR = { id: "unrel-paraphrased", label: "Which analyt
  */
 
 async function semanticInterpret(decisionTarget, unknown) {
-  const baseUrl = process.env.OLLAMA_BASE_URL || "http://localhost:11434";
+  const baseUrl = process.env.OLLAMA_BASE_URL;
+  if (!baseUrl) throw new Error("OLLAMA_BASE_URL is not set");
+
   const body = JSON.stringify({
-    model: process.env.EXPERIMENT_52_MODEL || "llama3.1",
+    model: process.env.OLLAMA_MODEL || "llama3.1",
     messages: [
       { role: "system", content: SEMANTIC_INSTRUCTION },
       { role: "user", content: `Decision: "${decisionTarget}"\nQuestion: "${unknown.label}"`, },