Improve modal fit and Gemini search refinement

backend/services/gemini_test.go

@@ -77,6 +77,28 @@ func TestNormalizeKnownMediaPhrases(t *testing.T) {
 	}
 }
 
+func TestBuildSupplementalQueriesReturnsGeneratedLines(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"candidates":[{"content":{"parts":[{"text":"authentic couple city walk\ncandid couple park footage\nnatural lifestyle b-roll"}]}}]}`))
+	}))
+	defer server.Close()
+
+	service := NewGeminiService("dummy-key")
+	service.Client = &http.Client{Timeout: 2 * time.Second}
+	service.GenerateEndpoint = server.URL
+
+	queries, err := service.BuildSupplementalQueries("다정한 커플", []string{"friendly couple"}, []AIRecommendation{
+		{Assessment: "irrelevant", SearchHint: "authentic lifestyle couple"},
+	})
+	if err != nil {
+		t.Fatalf("expected supplemental query generation to succeed, got %v", err)
+	}
+	if len(queries) < 3 || queries[0] != "authentic couple city walk" {
+		t.Fatalf("unexpected supplemental queries: %#v", queries)
+	}
+}
+
 func TestSelectUnevaluatedCandidatesSkipsReviewedLinks(t *testing.T) {
 	ranked := []SearchResult{
 		{Link: "https://a.example"},
@@ -172,3 +194,22 @@ func TestRankSearchResultsPrefersUsableVisuals(t *testing.T) {
 		t.Fatalf("expected usable thumbnail result first, got %#v", ranked)
 	}
 }
+
+func TestMergeRecommendationsExcludesIrrelevantAndPendingFiller(t *testing.T) {
+	recommended := []AIRecommendation{
+		{Title: "keep", Link: "https://a.example", Recommended: true, Assessment: "positive", ThumbnailURL: "https://example.com/a.jpg"},
+		{Title: "drop", Link: "https://b.example", Recommended: false, Assessment: "irrelevant", ThumbnailURL: "https://example.com/b.jpg", Reason: "관련이 없습니다."},
+	}
+	ranked := []SearchResult{
+		{Title: "keep", Link: "https://a.example", ThumbnailURL: "https://example.com/a.jpg"},
+		{Title: "extra", Link: "https://c.example", ThumbnailURL: "https://example.com/c.jpg"},
+	}
+
+	merged := MergeRecommendations(recommended, ranked, 16)
+	if len(merged) != 1 {
+		t.Fatalf("expected only the positive recommendation without pending filler, got %#v", merged)
+	}
+	if merged[0].Link != "https://a.example" {
+		t.Fatalf("unexpected merged result: %#v", merged)
+	}
+}