fix(confidence-engine): sanitize public health response

app/api/health/route.js

@@ -3,47 +3,31 @@ import { getConfig } from "@/lib/config";
 export async function GET() {
   try {
     const result = getConfig();
-    
+
     if (!result.ok) {
-      return Response.json({
-        configPresent: false,
-        baseUrl: null,
-        model: null,
-        reachable: false,
-        error: "Missing or invalid environment configuration",
-      }, { status: 500 });
+      return Response.json({ healthy: false }, { status: 500 });
     }
 
     const { OLLAMA_BASE_URL, OLLAMA_MODEL } = result.config;
 
     // Test reachability with a short timeout
     let reachable = false;
-    let reachError = null;
-    
+
     try {
       const controller = new AbortController();
       const timeout = setTimeout(() => controller.abort(), 3000);
-      
-      const res = await fetch(`${OLLAMA_BASE_URL}/api/tags`, { 
-        signal: controller.signal 
+
+      const res = await fetch(`${OLLAMA_BASE_URL}/api/tags`, {
+        signal: controller.signal
       });
       clearTimeout(timeout);
       reachable = res.ok;
-    } catch (e) {
-      reachError = e.message || "Connection failed";
+    } catch {
+      reachable = false;
     }
 
-    return Response.json({
-      configPresent: true,
-      baseUrl: OLLAMA_BASE_URL,
-      model: OLLAMA_MODEL,
-      reachable,
-      error: reachable ? null : (`Could not reach Ollama at ${OLLAMA_BASE_URL}: ${reachError || "timeout"}`),
-    });
-  } catch (e) {
-    return Response.json(
-      { configPresent: false, error: e.message },
-      { status: 500 }
-    );
+    return Response.json({ healthy: reachable }, { status: reachable ? 200 : 503 });
+  } catch {
+    return Response.json({ healthy: false }, { status: 500 });
   }
 }