refactor: rename project to LedGrab, split HA integration into separate repo

- Rename Python package: wled_controller -> ledgrab
- Rename env var prefix: WLED_ -> LEDGRAB_ (with auto-migration for old vars)
- Rename localStorage key: wled_api_key -> ledgrab_api_key (with migration)
- Rename HA integration domain: wled_screen_controller -> ledgrab
- Update all imports, build scripts, Docker, installer, config, docs
- Remove HA integration (moved to ledgrab-haos-integration repo)
- Remove hacs.json (belongs in HA repo now)
- Add startup warning for users with old WLED_ env vars
- All tests pass (715/715), ruff clean, tsc clean, frontend builds

server/tests/test_calibration.py

@@ -3,7 +3,7 @@
 import numpy as np
 import pytest
 
-from wled_controller.core.capture.calibration import (
+from ledgrab.core.capture.calibration import (
     CalibrationSegment,
     CalibrationConfig,
     PixelMapper,
@@ -13,7 +13,7 @@ from wled_controller.core.capture.calibration import (
     EDGE_ORDER,
     EDGE_REVERSE,
 )
-from wled_controller.core.capture.screen_capture import BorderPixels
+from ledgrab.core.capture.screen_capture import BorderPixels
 
 
 def test_calibration_segment():
@@ -139,16 +139,19 @@ def test_build_segments_skips_zero_edges():
     assert "bottom" not in edges
 
 
-@pytest.mark.parametrize("start_position,layout", [
-    ("bottom_left", "clockwise"),
-    ("bottom_left", "counterclockwise"),
-    ("bottom_right", "clockwise"),
-    ("bottom_right", "counterclockwise"),
-    ("top_left", "clockwise"),
-    ("top_left", "counterclockwise"),
-    ("top_right", "clockwise"),
-    ("top_right", "counterclockwise"),
-])
+@pytest.mark.parametrize(
+    "start_position,layout",
+    [
+        ("bottom_left", "clockwise"),
+        ("bottom_left", "counterclockwise"),
+        ("bottom_right", "clockwise"),
+        ("bottom_right", "counterclockwise"),
+        ("top_left", "clockwise"),
+        ("top_left", "counterclockwise"),
+        ("top_right", "clockwise"),
+        ("top_right", "counterclockwise"),
+    ],
+)
 def test_build_segments_all_combinations(start_position, layout):
     """Test build_segments matches lookup tables for all 8 combinations."""
     config = CalibrationConfig(
@@ -171,8 +174,9 @@ def test_build_segments_all_combinations(start_position, layout):
     # Verify reverse flags match EDGE_REVERSE table
     expected_reverse = EDGE_REVERSE[(start_position, layout)]
     for seg in segments:
-        assert seg.reverse == expected_reverse[seg.edge], \
-            f"Mismatch for {start_position}/{layout}/{seg.edge}: expected reverse={expected_reverse[seg.edge]}"
+        assert (
+            seg.reverse == expected_reverse[seg.edge]
+        ), f"Mismatch for {start_position}/{layout}/{seg.edge}: expected reverse={expected_reverse[seg.edge]}"
 
     # Verify led_start values are cumulative
     expected_start = 0
@@ -240,11 +244,11 @@ def test_pixel_mapper_test_calibration():
 
     # Top edge should be lit (red)
     top_segment = config.get_segment_for_edge("top")
-    top_leds = led_colors[top_segment.led_start:top_segment.led_start + top_segment.led_count]
+    top_leds = led_colors[top_segment.led_start : top_segment.led_start + top_segment.led_count]
     assert all(color == (255, 0, 0) for color in top_leds)
 
     # Other LEDs should be off
-    other_leds = led_colors[:top_segment.led_start]
+    other_leds = led_colors[: top_segment.led_start]
     assert all(color == (0, 0, 0) for color in other_leds)
 
 
@@ -317,7 +321,6 @@ def test_calibration_from_dict():
     assert config.get_total_leds() == 140
 
 
-
 def test_calibration_from_dict_missing_field():
     """Test calibration from dict with missing field."""
     data = {