fix(reco): fria sökord + mjuk-filter så råvaru-sökning (kyckling) ger rätt recept (MIKRO 60)

apps/api/src/routes/recommendations.ts

@@ -393,7 +393,22 @@ export async function recommendationRoutes(app: FastifyInstance) {
     const weights = personalizationEnabled
       ? viewWeights(q.view)
       : depersonalize(viewWeights(q.view));
-    let recommendations = rankAll(scoredCandidates, ctx, weights, q.limit);
+
+    // Om användaren sökte specifikt (t.ex. "kyckling") – visa matchande recept först.
+    let pool = scoredCandidates;
+    if (craving && (craving.keywords.length > 0 || craving.cuisine)) {
+      const matches = scoredCandidates.filter((c) => {
+        const title = c.titleSv.toLowerCase();
+        const tagSet = new Set<string>(c.tags as unknown as string[]);
+        return (
+          (!!craving.cuisine && c.cuisine === craving.cuisine) ||
+          craving.keywords.some((k) => title.includes(k) || tagSet.has(k))
+        );
+      });
+      if (matches.length > 0) pool = matches; // annars behåll alla (aldrig tomt)
+    }
+
+    let recommendations = rankAll(pool, ctx, weights, q.limit);
 
     // --- 9. AAMOS-omrankning bakom feature flag (aldrig obligatorisk) ---
     if (await app.flags.isEnabled("ai_rerank", req.userId)) {

packages/recommendation-engine/src/craving.ts

@@ -4,6 +4,7 @@ export interface ParsedCraving {
   tags: string[];
   cuisine?: Cuisine | undefined;
   maxKcal?: number | undefined;
+  keywords: string[];
 }
 
 /**
@@ -66,5 +67,34 @@ export function parseCraving(text: string): ParsedCraving {
   const kcalMatch = lower.match(/under\s+(\d{2,4})\s*(?:kcal|kalorier)/);
   if (kcalMatch?.[1]) maxKcal = Number(kcalMatch[1]);
 
-  return { tags, cuisine, maxKcal };
+  const STOPWORDS = new Set([
+    "jag",
+    "är",
+    "sugen",
+    "på",
+    "vill",
+    "ha",
+    "något",
+    "lite",
+    "och",
+    "med",
+    "gärna",
+    "känner",
+    "för",
+    "mig",
+    "idag",
+    "ikväll",
+    "kväll",
+    "mat",
+    "äta",
+    "laga",
+    "göra",
+    "en",
+    "ett",
+  ]);
+  const keywords = lower
+    .split(/[^a-zåäö0-9]+/)
+    .filter((w) => w.length >= 3 && !STOPWORDS.has(w));
+
+  return { tags, cuisine, maxKcal, keywords };
 }