refactor(colors, icons): enhance trend-related color and icon handling

Updated color and icon logic to include additional keys for price trends, outlooks, and trajectories. This improves the visual representation of price changes in the UI.

Impact: Users will see more accurate color coding and icons for price trends and forecasts.

custom_components/tibber_prices/entity_utils/colors.py

@@ -65,10 +65,14 @@ def get_icon_color(
         return BINARY_SENSOR_COLOR_MAPPING[key].get(state_key)
 
     # Trend sensor colors (based on trend state)
-    if key.startswith("price_trend_") and isinstance(state_value, str):
+    if (
+        key.startswith(("price_trend_", "price_outlook_", "price_trajectory_")) or key == "current_price_trend"
+    ) and isinstance(state_value, str):
         trend_colors = {
+            "strongly_rising": "var(--error-color)",
             "rising": "var(--error-color)",  # Red/Orange for rising prices
             "falling": "var(--success-color)",  # Green for falling prices
+            "strongly_falling": "var(--success-color)",
             "stable": "var(--state-icon-color)",  # Default gray for stable
         }
         return trend_colors.get(state_value)

custom_components/tibber_prices/entity_utils/icons.py

@@ -91,7 +91,7 @@ def get_trend_icon(key: str, value: Any) -> str | None:
     if key == "next_price_trend_change":
         return None  # Will be handled by sensor's icon property using attributes
 
-    if not key.startswith("price_trend_") and key != "current_price_trend":
+    if not key.startswith(("price_trend_", "price_outlook_", "price_trajectory_")) and key != "current_price_trend":
         return None
 
     if not isinstance(value, str):