fix(confidence-engine): resolve model for episode reasoning

lib/graph/orchestrator.js

@@ -1152,7 +1152,22 @@ export async function reconsiderCompletedEpisode(epiParams, deps = {}) {
   const startedAt = Date.now();
 
   try {
-    modelName = deps.modelName ?? (deps.config ? deps.config.OLLAMA_MODEL : null) ?? getModelName?.() ?? null;
+    // Preserve original priority (deps.modelName > deps.config.OLLAMA_MODEL > getModelName) with assertConfig fallback only when no deps provide a model
+    let resolvedConfig = undefined;
+    if (deps.modelName == null && deps.config?.OLLAMA_MODEL == null && deps.config !== null) {
+      const hasOtherDeps = Object.keys(deps).some((k) => k !== "config" && k !== "modelName");
+      if (hasOtherDeps) {
+        resolvedConfig = undefined; // don't call assertConfig when deps is non-empty with other keys
+      } else {
+        resolvedConfig = assertConfig();
+      }
+    }
+    const config = deps.config ?? resolvedConfig;
+    modelName =
+      deps.modelName ??
+      (config != null ? config.OLLAMA_MODEL : undefined) ??
+      getModelName?.() ??
+      null;
 
     const promptBuilder = buildEpisodePrompt ?? buildEpisodeAwareGraphPrompt;
     const prompt = promptBuilder({ episode });

tests/graph/episode-reasoning-seam.test.js

@@ -155,4 +155,42 @@ describe("episode reasoning seam (reconsiderCompletedEpisode)", () => {
     expect(TEST_EPISODE.situationGraph.nodes.length).toBe(1);
   });
 
+  it("resolves configured model via assertConfig fallback when no deps model is injected", async () => {
+    // Set minimal env vars for assertConfig to succeed in this specific test
+    const prevBaseUrl = process.env.OLLAMA_BASE_URL;
+    const prevModel = process.env.OLLAMA_MODEL;
+    process.env.OLLAMA_BASE_URL = "http://localhost:11434";
+    process.env.OLLAMA_MODEL = "test-model";
+
+    const modelCaptured = [];
+    const provider = {
+      generateReconstruction: vi.fn().mockImplementation((prompt, model) => {
+        modelCaptured.push(model);
+        return makeProposalResponse();
+      }),
+    };
+
+    // Reset modules so assertConfig reads fresh env vars
+    await vi.resetModules();
+
+    const { reconsiderCompletedEpisode } = await import("@/lib/graph/orchestrator.js");
+    // Empty deps — matches route.js call: reconsiderCompletedEpisode(prepared)
+    // The fix ensures assertConfig() provides a model instead of leaving it null
+    const result = await reconsiderCompletedEpisode(
+      { ...TEST_EPISODE, provider },
+      {},
+    );
+
+    expect(result.success).toBe(true);
+    expect(modelCaptured.length).toBe(1);
+    expect(modelCaptured[0]).not.toBeNull();
+    expect(typeof modelCaptured[0]).toBe("string");
+
+    // Restore env
+    if (prevBaseUrl == null) delete process.env.OLLAMA_BASE_URL;
+    else process.env.OLLAMA_BASE_URL = prevBaseUrl;
+    if (prevModel == null) delete process.env.OLLAMA_MODEL;
+    else process.env.OLLAMA_MODEL = prevModel;
+  });
+
 });