Restore standard MiniMax resolutions and client mapping

apps/api/internal/runner/pricing_test.go

@@ -46,7 +46,7 @@ func TestVideoBillingEstimateUsesFiveSecondUnitsAndDynamicWeights(t *testing.T)
 			"video": map[string]any{
 				"basePrice": 100,
 				"dynamicWeight": map[string]any{
-					"resolutionWeights":        map[string]any{"1080p": 1.5},
+					"resolutionWeights":        map[string]any{"720p": 1.25, "1080p": 1.5},
 					"audioWeights":             map[string]any{"true": 2},
 					"referenceVideoWeights":    map[string]any{"true": 1.5},
 					"voiceSpecifiedWeights":    map[string]any{"true": 1.2},
@@ -59,7 +59,7 @@ func TestVideoBillingEstimateUsesFiveSecondUnitsAndDynamicWeights(t *testing.T)
 	items := service.billings(context.Background(), nil, "videos.generations", map[string]any{
 		"audio":      true,
 		"duration":   12,
-		"resolution": "1080p",
+		"resolution": "1080P",
 		"voice_id":   "voice-a",
 		"content": []any{
 			map[string]any{"type": "video_url", "video_url": map[string]any{"url": "https://example.com/reference.mp4"}},
@@ -82,6 +82,15 @@ func TestVideoBillingEstimateUsesFiveSecondUnitsAndDynamicWeights(t *testing.T)
 	if got, want := line["audioSource"], "preprocessed_request"; got != want {
 		t.Fatalf("video audio source = %v, want %v", got, want)
 	}
+
+	items = service.billings(context.Background(), nil, "videos.generations", map[string]any{
+		"duration":   5,
+		"resolution": "768P",
+	}, candidate, clients.Response{}, true)
+	line = firstBillingLine(t, items)
+	if got, want := floatFromAny(line["amount"]), 125.0; got != want {
+		t.Fatalf("768P should use 720p billing weight, got %v, want %v", got, want)
+	}
 }
 
 func TestMusicBillingUsesSongResourceAndOutputCount(t *testing.T) {