diff --git a/.devcontainer/devcontainer-extensions.json b/.devcontainer/devcontainer-extensions.json
index 5444bb7..7d01943 100644
--- a/.devcontainer/devcontainer-extensions.json
+++ b/.devcontainer/devcontainer-extensions.json
@@ -1,6 +1,4 @@
 {
-    "recommendations": [],
-    "unwantedRecommendations": [
-        "ms-python.pylint"
-    ]
+  "recommendations": [],
+  "unwantedRecommendations": ["ms-python.pylint"]
 }
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 153d8f7..734788b 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -7,11 +7,7 @@
     "PYTHONASYNCIODEBUG": "1",
     "TIBBER_PRICES_DEV": "1"
   },
-  "forwardPorts": [
-    8123,
-    3000,
-    3001
-  ],
+  "forwardPorts": [8123, 3000, 3001],
   "portsAttributes": {
     "8123": {
       "label": "Home Assistant",
@@ -56,9 +52,7 @@
           "reportUnusedCoroutine": "none",
           "reportMissingTypeStubs": "none"
         },
-        "python.analysis.include": [
-          "custom_components/tibber_prices"
-        ],
+        "python.analysis.include": ["custom_components/tibber_prices"],
         "python.analysis.exclude": [
           "**/.venv/**",
           "**/venv/**",
@@ -74,9 +68,7 @@
         ],
         "python.terminal.activateEnvironment": true,
         "python.terminal.activateEnvInCurrentTerminal": true,
-        "python.testing.pytestArgs": [
-          "--no-cov"
-        ],
+        "python.testing.pytestArgs": ["--no-cov"],
         "[json]": {
           "editor.defaultFormatter": "esbenp.prettier-vscode",
           "editor.formatOnSave": true,
@@ -112,15 +104,11 @@
         "markdown.validate.fragmentLinks.enabled": "ignore",
         "json.schemas": [
           {
-            "fileMatch": [
-              "homeassistant/components/*/manifest.json"
-            ],
+            "fileMatch": ["homeassistant/components/*/manifest.json"],
             "url": "${containerWorkspaceFolder}/schemas/json/manifest_schema.json"
           },
           {
-            "fileMatch": [
-              "homeassistant/components/*/translations/*.json"
-            ],
+            "fileMatch": ["homeassistant/components/*/translations/*.json"],
             "url": "${containerWorkspaceFolder}/schemas/json/translation_schema.json"
           }
         ],
diff --git a/.markdownlint.json b/.markdownlint.json
index 80715ae..efe7ed5 100644
--- a/.markdownlint.json
+++ b/.markdownlint.json
@@ -1,9 +1,9 @@
 {
-    "default": true,
-    "MD013": false,
-    "MD033": false,
-    "MD041": false,
-    "no-inline-html": false,
-    "line-length": false,
-    "first-line-heading": false
+  "default": true,
+  "MD013": false,
+  "MD033": false,
+  "MD041": false,
+  "no-inline-html": false,
+  "line-length": false,
+  "first-line-heading": false
 }
diff --git a/custom_components/tibber_prices/icons.json b/custom_components/tibber_prices/icons.json
index d2756cd..498b32e 100644
--- a/custom_components/tibber_prices/icons.json
+++ b/custom_components/tibber_prices/icons.json
@@ -1,79 +1,79 @@
 {
-    "services": {
-        "get_price": {
-            "service": "mdi:table-search"
-        },
-        "get_chartdata": {
-            "service": "mdi:chart-bar",
-            "sections": {
-                "general": "mdi:identifier",
-                "selection": "mdi:calendar-range",
-                "filters": "mdi:filter-variant",
-                "transformation": "mdi:tune",
-                "format": "mdi:file-table",
-                "arrays_of_objects": "mdi:code-json",
-                "arrays_of_arrays": "mdi:code-brackets"
-            }
-        },
-        "get_apexcharts_yaml": {
-            "service": "mdi:chart-line",
-            "sections": {
-                "entry_id": "mdi:identifier",
-                "day": "mdi:calendar-range",
-                "level_type": "mdi:format-list-bulleted-type",
-                "resolution": "mdi:timer-sand",
-                "highlight_best_price": "mdi:battery-charging-low",
-                "highlight_peak_price": "mdi:battery-alert"
-            }
-        },
-        "refresh_user_data": {
-            "service": "mdi:refresh"
-        },
-        "find_cheapest_block": {
-            "service": "mdi:washing-machine",
-            "sections": {
-                "search_range": "mdi:calendar-search",
-                "time_alternatives": "mdi:clock-time-eight-outline",
-                "price_filter": "mdi:filter-variant",
-                "output": "mdi:tune-variant"
-            }
-        },
-        "find_most_expensive_block": {
-            "service": "mdi:lightning-bolt-circle",
-            "sections": {
-                "search_range": "mdi:calendar-search",
-                "time_alternatives": "mdi:clock-time-eight-outline",
-                "price_filter": "mdi:filter-variant",
-                "output": "mdi:tune-variant"
-            }
-        },
-        "find_cheapest_hours": {
-            "service": "mdi:ev-station",
-            "sections": {
-                "search_range": "mdi:calendar-search",
-                "time_alternatives": "mdi:clock-time-eight-outline",
-                "price_filter": "mdi:filter-variant",
-                "output": "mdi:tune-variant"
-            }
-        },
-        "find_most_expensive_hours": {
-            "service": "mdi:flash-alert",
-            "sections": {
-                "search_range": "mdi:calendar-search",
-                "time_alternatives": "mdi:clock-time-eight-outline",
-                "price_filter": "mdi:filter-variant",
-                "output": "mdi:tune-variant"
-            }
-        },
-        "find_cheapest_schedule": {
-            "service": "mdi:calendar-check",
-            "sections": {
-                "scheduling_options": "mdi:format-list-numbered",
-                "search_range": "mdi:calendar-search",
-                "time_alternatives": "mdi:clock-time-eight-outline",
-                "price_filter": "mdi:filter-variant",
-                "output": "mdi:tune-variant"
-            }
-        }
+  "services": {
+    "get_price": {
+      "service": "mdi:table-search"
+    },
+    "get_chartdata": {
+      "service": "mdi:chart-bar",
+      "sections": {
+        "general": "mdi:identifier",
+        "selection": "mdi:calendar-range",
+        "filters": "mdi:filter-variant",
+        "transformation": "mdi:tune",
+        "format": "mdi:file-table",
+        "arrays_of_objects": "mdi:code-json",
+        "arrays_of_arrays": "mdi:code-brackets"
+      }
+    },
+    "get_apexcharts_yaml": {
+      "service": "mdi:chart-line",
+      "sections": {
+        "entry_id": "mdi:identifier",
+        "day": "mdi:calendar-range",
+        "level_type": "mdi:format-list-bulleted-type",
+        "resolution": "mdi:timer-sand",
+        "highlight_best_price": "mdi:battery-charging-low",
+        "highlight_peak_price": "mdi:battery-alert"
+      }
+    },
+    "refresh_user_data": {
+      "service": "mdi:refresh"
+    },
+    "find_cheapest_block": {
+      "service": "mdi:washing-machine",
+      "sections": {
+        "search_range": "mdi:calendar-search",
+        "time_alternatives": "mdi:clock-time-eight-outline",
+        "price_filter": "mdi:filter-variant",
+        "output": "mdi:tune-variant"
+      }
+    },
+    "find_most_expensive_block": {
+      "service": "mdi:lightning-bolt-circle",
+      "sections": {
+        "search_range": "mdi:calendar-search",
+        "time_alternatives": "mdi:clock-time-eight-outline",
+        "price_filter": "mdi:filter-variant",
+        "output": "mdi:tune-variant"
+      }
+    },
+    "find_cheapest_hours": {
+      "service": "mdi:ev-station",
+      "sections": {
+        "search_range": "mdi:calendar-search",
+        "time_alternatives": "mdi:clock-time-eight-outline",
+        "price_filter": "mdi:filter-variant",
+        "output": "mdi:tune-variant"
+      }
+    },
+    "find_most_expensive_hours": {
+      "service": "mdi:flash-alert",
+      "sections": {
+        "search_range": "mdi:calendar-search",
+        "time_alternatives": "mdi:clock-time-eight-outline",
+        "price_filter": "mdi:filter-variant",
+        "output": "mdi:tune-variant"
+      }
+    },
+    "find_cheapest_schedule": {
+      "service": "mdi:calendar-check",
+      "sections": {
+        "scheduling_options": "mdi:format-list-numbered",
+        "search_range": "mdi:calendar-search",
+        "time_alternatives": "mdi:clock-time-eight-outline",
+        "price_filter": "mdi:filter-variant",
+        "output": "mdi:tune-variant"
+      }
     }
+  }
 }
diff --git a/custom_components/tibber_prices/manifest.json b/custom_components/tibber_prices/manifest.json
index 6d954d8..e8b10ff 100644
--- a/custom_components/tibber_prices/manifest.json
+++ b/custom_components/tibber_prices/manifest.json
@@ -1,15 +1,11 @@
 {
   "domain": "tibber_prices",
   "name": "Tibber Price Information & Ratings",
-  "codeowners": [
-    "@jpawlowski"
-  ],
+  "codeowners": ["@jpawlowski"],
   "config_flow": true,
   "documentation": "https://github.com/jpawlowski/hass.tibber_prices",
   "iot_class": "cloud_polling",
   "issue_tracker": "https://github.com/jpawlowski/hass.tibber_prices/issues",
-  "requirements": [
-    "aiofiles>=23.2.1"
-  ],
+  "requirements": ["aiofiles>=23.2.1"],
   "version": "0.30.0"
 }
diff --git a/hacs.json b/hacs.json
index 27b11b1..55fc2f7 100644
--- a/hacs.json
+++ b/hacs.json
@@ -1,5 +1,5 @@
 {
-    "name": "Tibber Price Information & Ratings",
-    "homeassistant": "2026.4.0",
-    "hacs": "2.0.5"
-}
\ No newline at end of file
+  "name": "Tibber Price Information & Ratings",
+  "homeassistant": "2026.4.0",
+  "hacs": "2.0.5"
+}
diff --git a/schemas/json/translation_schema.json b/schemas/json/translation_schema.json
index fba26f9..06d8358 100644
--- a/schemas/json/translation_schema.json
+++ b/schemas/json/translation_schema.json
@@ -1,372 +1,372 @@
 {
-    "$schema": "http://json-schema.org/draft-07/schema#",
-    "title": "Home Assistant Translation File Schema",
-    "description": "Schema for Home Assistant custom integration translation files based on https://developers.home-assistant.io/docs/internationalization/core",
-    "type": "object",
-    "properties": {
-        "title": {
-            "type": "string",
-            "description": "Title of the integration (optional, will fallback to integration name if omitted). Only include if not a product brand."
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Home Assistant Translation File Schema",
+  "description": "Schema for Home Assistant custom integration translation files based on https://developers.home-assistant.io/docs/internationalization/core",
+  "type": "object",
+  "properties": {
+    "title": {
+      "type": "string",
+      "description": "Title of the integration (optional, will fallback to integration name if omitted). Only include if not a product brand."
+    },
+    "common": {
+      "type": "object",
+      "description": "Shared strings that can be referenced using [%key:component::domain::common::key_path%]",
+      "additionalProperties": true
+    },
+    "config": {
+      "type": "object",
+      "description": "Translations for the configuration flow",
+      "properties": {
+        "flow_title": {
+          "type": "string",
+          "description": "Title shown in list (only rendered if placeholders required), e.g. 'Discovered Device ({host})'"
         },
-        "common": {
-            "type": "object",
-            "description": "Shared strings that can be referenced using [%key:component::domain::common::key_path%]",
-            "additionalProperties": true
+        "entry_type": {
+          "type": "string",
+          "description": "Label explaining what an entry represents (optional, only if default translations are misleading)"
         },
-        "config": {
+        "initiate_flow": {
+          "type": "object",
+          "description": "Menu or button labels for starting flows",
+          "properties": {
+            "reconfigure": {
+              "type": "string",
+              "description": "Label for reconfigure flow"
+            },
+            "user": {
+              "type": "string",
+              "description": "Label for user flow"
+            }
+          }
+        },
+        "step": {
+          "type": "object",
+          "description": "Translations for each config flow step",
+          "additionalProperties": {
             "type": "object",
-            "description": "Translations for the configuration flow",
             "properties": {
-                "flow_title": {
-                    "type": "string",
-                    "description": "Title shown in list (only rendered if placeholders required), e.g. 'Discovered Device ({host})'"
-                },
-                "entry_type": {
-                    "type": "string",
-                    "description": "Label explaining what an entry represents (optional, only if default translations are misleading)"
-                },
-                "initiate_flow": {
-                    "type": "object",
-                    "description": "Menu or button labels for starting flows",
-                    "properties": {
-                        "reconfigure": {
-                            "type": "string",
-                            "description": "Label for reconfigure flow"
-                        },
-                        "user": {
-                            "type": "string",
-                            "description": "Label for user flow"
-                        }
-                    }
-                },
-                "step": {
-                    "type": "object",
-                    "description": "Translations for each config flow step",
-                    "additionalProperties": {
-                        "type": "object",
-                        "properties": {
-                            "title": {
-                                "type": "string",
-                                "description": "User-visible title of the step (will show integration name if omitted)"
-                            },
-                            "description": {
-                                "type": "string",
-                                "description": "Markdown description shown with the step (optional)"
-                            },
-                            "data": {
-                                "type": "object",
-                                "description": "Labels for input fields",
-                                "additionalProperties": {
-                                    "type": "string"
-                                }
-                            },
-                            "data_description": {
-                                "type": "object",
-                                "description": "Descriptions for input fields",
-                                "additionalProperties": {
-                                    "type": "string"
-                                }
-                            },
-                            "sections": {
-                                "type": "object",
-                                "description": "Labels for form sections (only if form has sections)",
-                                "additionalProperties": {
-                                    "type": "object",
-                                    "properties": {
-                                        "name": {
-                                            "type": "string",
-                                            "description": "Section label"
-                                        }
-                                    }
-                                }
-                            }
-                        }
-                    }
-                },
-                "error": {
-                    "type": "object",
-                    "description": "Error messages returned by the flow",
-                    "additionalProperties": {
-                        "type": "string"
-                    }
-                },
-                "abort": {
-                    "type": "object",
-                    "description": "Abort messages (supports Markdown)",
-                    "additionalProperties": {
-                        "type": "string"
-                    }
-                },
-                "progress": {
-                    "type": "object",
-                    "description": "Progress messages for async_show_progress (supports Markdown)",
-                    "additionalProperties": {
-                        "type": "string"
-                    }
-                },
-                "create_entry": {
-                    "type": "object",
-                    "description": "Success dialog messages (supports Markdown)",
-                    "properties": {
-                        "default": {
-                            "type": "string",
-                            "description": "Default message if async_create_entry called with description=None"
-                        }
-                    },
-                    "additionalProperties": {
-                        "type": "string",
-                        "description": "Custom messages for specific description keys"
-                    }
-                }
-            }
-        },
-        "options": {
-            "type": "object",
-            "description": "Translations for the options flow (same format as config)"
-        },
-        "config_subentries": {
-            "type": "object",
-            "description": "Translations for config subentry flows (map of subentry types, each with same format as config)",
-            "additionalProperties": {
-                "type": "object"
-            }
-        },
-        "selector": {
-            "type": "object",
-            "description": "Translations for selector options. The key is the translation_key set in SelectSelectorConfig. CRITICAL: Use selector.{translation_key}.options.{value}, NOT selector.select.{translation_key}",
-            "additionalProperties": {
+              "title": {
+                "type": "string",
+                "description": "User-visible title of the step (will show integration name if omitted)"
+              },
+              "description": {
+                "type": "string",
+                "description": "Markdown description shown with the step (optional)"
+              },
+              "data": {
                 "type": "object",
-                "properties": {
-                    "options": {
-                        "type": "object",
-                        "description": "Option label translations for select selectors. Keys must match the values passed in the options list.",
-                        "additionalProperties": {
-                            "type": "string"
-                        }
-                    },
-                    "unit_of_measurement": {
-                        "type": "object",
-                        "description": "Unit translations for number selectors",
-                        "additionalProperties": {
-                            "type": "string"
-                        }
-                    }
-                }
-            }
-        },
-        "services": {
-            "type": "object",
-            "description": "Translations for service actions",
-            "additionalProperties": {
-                "type": "object",
-                "properties": {
-                    "name": {
-                        "type": "string",
-                        "description": "Service action name"
-                    },
-                    "description": {
-                        "type": "string",
-                        "description": "Service action description"
-                    },
-                    "fields": {
-                        "type": "object",
-                        "description": "Field translations",
-                        "additionalProperties": {
-                            "type": "object",
-                            "properties": {
-                                "name": {
-                                    "type": "string",
-                                    "description": "Field name"
-                                },
-                                "description": {
-                                    "type": "string",
-                                    "description": "Field description"
-                                }
-                            }
-                        }
-                    },
-                    "sections": {
-                        "type": "object",
-                        "description": "Collapsible section labels",
-                        "additionalProperties": {
-                            "type": "object",
-                            "properties": {
-                                "name": {
-                                    "type": "string",
-                                    "description": "Section name"
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        },
-        "entity": {
-            "type": "object",
-            "description": "Translations for entities",
-            "additionalProperties": {
-                "type": "object",
-                "description": "Entity domain (sensor, binary_sensor, etc.)",
+                "description": "Labels for input fields",
                 "additionalProperties": {
-                    "type": "object",
-                    "description": "Entity translation_key",
-                    "properties": {
-                        "name": {
-                            "type": "string",
-                            "description": "Entity name (only for entities with has_entity_name=True)"
-                        },
-                        "state": {
-                            "type": "object",
-                            "description": "State translations",
-                            "additionalProperties": {
-                                "type": "string"
-                            }
-                        },
-                        "state_attributes": {
-                            "type": "object",
-                            "description": "Entity state attribute translations",
-                            "additionalProperties": {
-                                "type": "object",
-                                "properties": {
-                                    "name": {
-                                        "type": "string",
-                                        "description": "Attribute name"
-                                    },
-                                    "state": {
-                                        "type": "object",
-                                        "description": "Attribute state translations",
-                                        "additionalProperties": {
-                                            "type": "string"
-                                        }
-                                    }
-                                }
-                            }
-                        },
-                        "unit_of_measurement": {
-                            "type": "string",
-                            "description": "Unit of measurement translation (for sensor/number entities)"
-                        }
-                    }
+                  "type": "string"
                 }
-            }
-        },
-        "entity_component": {
-            "type": "object",
-            "description": "Translations for entity components (if integration provides entities under its domain)",
-            "additionalProperties": {
+              },
+              "data_description": {
                 "type": "object",
-                "description": "Device class or '_' for default",
-                "properties": {
-                    "state": {
-                        "type": "object",
-                        "description": "State translations for this device class",
-                        "additionalProperties": {
-                            "type": "string"
-                        }
-                    },
-                    "state_attributes": {
-                        "type": "object",
-                        "description": "Attribute name and state translations",
-                        "additionalProperties": {
-                            "type": "object",
-                            "properties": {
-                                "name": {
-                                    "type": "string",
-                                    "description": "Attribute name"
-                                },
-                                "state": {
-                                    "type": "object",
-                                    "description": "Attribute state values",
-                                    "additionalProperties": {
-                                        "type": "string"
-                                    }
-                                }
-                            }
-                        }
-                    }
+                "description": "Descriptions for input fields",
+                "additionalProperties": {
+                  "type": "string"
                 }
-            }
-        },
-        "device": {
-            "type": "object",
-            "description": "Translations for device names",
-            "additionalProperties": {
+              },
+              "sections": {
                 "type": "object",
-                "properties": {
+                "description": "Labels for form sections (only if form has sections)",
+                "additionalProperties": {
+                  "type": "object",
+                  "properties": {
                     "name": {
-                        "type": "string",
-                        "description": "Device name (set device's translation_key to use this)"
+                      "type": "string",
+                      "description": "Section label"
                     }
+                  }
                 }
+              }
             }
+          }
         },
-        "device_automation": {
-            "type": "object",
-            "description": "Translations for device automations",
-            "properties": {
-                "action_type": {
-                    "type": "object",
-                    "description": "Device action translations",
-                    "additionalProperties": {
-                        "type": "string"
-                    }
-                },
-                "condition_type": {
-                    "type": "object",
-                    "description": "Device condition translations",
-                    "additionalProperties": {
-                        "type": "string"
-                    }
-                },
-                "trigger_type": {
-                    "type": "object",
-                    "description": "Device trigger translations",
-                    "additionalProperties": {
-                        "type": "string"
-                    }
-                },
-                "trigger_subtype": {
-                    "type": "object",
-                    "description": "Device trigger subtype translations (e.g., button names)",
-                    "additionalProperties": {
-                        "type": "string"
-                    }
-                }
-            }
+        "error": {
+          "type": "object",
+          "description": "Error messages returned by the flow",
+          "additionalProperties": {
+            "type": "string"
+          }
         },
-        "exceptions": {
-            "type": "object",
-            "description": "Translations for HomeAssistantError and subclasses",
-            "additionalProperties": {
-                "type": "object",
-                "properties": {
-                    "message": {
-                        "type": "string",
-                        "description": "Exception message (supports placeholders)"
-                    }
-                }
-            }
+        "abort": {
+          "type": "object",
+          "description": "Abort messages (supports Markdown)",
+          "additionalProperties": {
+            "type": "string"
+          }
         },
-        "issues": {
-            "type": "object",
-            "description": "Translations for repairs issues",
-            "additionalProperties": {
-                "type": "object",
-                "properties": {
-                    "title": {
-                        "type": "string",
-                        "description": "Issue title"
-                    },
-                    "description": {
-                        "type": "string",
-                        "description": "Issue description (exactly one of 'description' or 'fix_flow' must be present)"
-                    },
-                    "fix_flow": {
-                        "type": "object",
-                        "description": "Repair flow translations (same format as config flow, exactly one of 'description' or 'fix_flow' must be present)"
-                    }
-                }
+        "progress": {
+          "type": "object",
+          "description": "Progress messages for async_show_progress (supports Markdown)",
+          "additionalProperties": {
+            "type": "string"
+          }
+        },
+        "create_entry": {
+          "type": "object",
+          "description": "Success dialog messages (supports Markdown)",
+          "properties": {
+            "default": {
+              "type": "string",
+              "description": "Default message if async_create_entry called with description=None"
             }
+          },
+          "additionalProperties": {
+            "type": "string",
+            "description": "Custom messages for specific description keys"
+          }
         }
+      }
+    },
+    "options": {
+      "type": "object",
+      "description": "Translations for the options flow (same format as config)"
+    },
+    "config_subentries": {
+      "type": "object",
+      "description": "Translations for config subentry flows (map of subentry types, each with same format as config)",
+      "additionalProperties": {
+        "type": "object"
+      }
+    },
+    "selector": {
+      "type": "object",
+      "description": "Translations for selector options. The key is the translation_key set in SelectSelectorConfig. CRITICAL: Use selector.{translation_key}.options.{value}, NOT selector.select.{translation_key}",
+      "additionalProperties": {
+        "type": "object",
+        "properties": {
+          "options": {
+            "type": "object",
+            "description": "Option label translations for select selectors. Keys must match the values passed in the options list.",
+            "additionalProperties": {
+              "type": "string"
+            }
+          },
+          "unit_of_measurement": {
+            "type": "object",
+            "description": "Unit translations for number selectors",
+            "additionalProperties": {
+              "type": "string"
+            }
+          }
+        }
+      }
+    },
+    "services": {
+      "type": "object",
+      "description": "Translations for service actions",
+      "additionalProperties": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string",
+            "description": "Service action name"
+          },
+          "description": {
+            "type": "string",
+            "description": "Service action description"
+          },
+          "fields": {
+            "type": "object",
+            "description": "Field translations",
+            "additionalProperties": {
+              "type": "object",
+              "properties": {
+                "name": {
+                  "type": "string",
+                  "description": "Field name"
+                },
+                "description": {
+                  "type": "string",
+                  "description": "Field description"
+                }
+              }
+            }
+          },
+          "sections": {
+            "type": "object",
+            "description": "Collapsible section labels",
+            "additionalProperties": {
+              "type": "object",
+              "properties": {
+                "name": {
+                  "type": "string",
+                  "description": "Section name"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "entity": {
+      "type": "object",
+      "description": "Translations for entities",
+      "additionalProperties": {
+        "type": "object",
+        "description": "Entity domain (sensor, binary_sensor, etc.)",
+        "additionalProperties": {
+          "type": "object",
+          "description": "Entity translation_key",
+          "properties": {
+            "name": {
+              "type": "string",
+              "description": "Entity name (only for entities with has_entity_name=True)"
+            },
+            "state": {
+              "type": "object",
+              "description": "State translations",
+              "additionalProperties": {
+                "type": "string"
+              }
+            },
+            "state_attributes": {
+              "type": "object",
+              "description": "Entity state attribute translations",
+              "additionalProperties": {
+                "type": "object",
+                "properties": {
+                  "name": {
+                    "type": "string",
+                    "description": "Attribute name"
+                  },
+                  "state": {
+                    "type": "object",
+                    "description": "Attribute state translations",
+                    "additionalProperties": {
+                      "type": "string"
+                    }
+                  }
+                }
+              }
+            },
+            "unit_of_measurement": {
+              "type": "string",
+              "description": "Unit of measurement translation (for sensor/number entities)"
+            }
+          }
+        }
+      }
+    },
+    "entity_component": {
+      "type": "object",
+      "description": "Translations for entity components (if integration provides entities under its domain)",
+      "additionalProperties": {
+        "type": "object",
+        "description": "Device class or '_' for default",
+        "properties": {
+          "state": {
+            "type": "object",
+            "description": "State translations for this device class",
+            "additionalProperties": {
+              "type": "string"
+            }
+          },
+          "state_attributes": {
+            "type": "object",
+            "description": "Attribute name and state translations",
+            "additionalProperties": {
+              "type": "object",
+              "properties": {
+                "name": {
+                  "type": "string",
+                  "description": "Attribute name"
+                },
+                "state": {
+                  "type": "object",
+                  "description": "Attribute state values",
+                  "additionalProperties": {
+                    "type": "string"
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "device": {
+      "type": "object",
+      "description": "Translations for device names",
+      "additionalProperties": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string",
+            "description": "Device name (set device's translation_key to use this)"
+          }
+        }
+      }
+    },
+    "device_automation": {
+      "type": "object",
+      "description": "Translations for device automations",
+      "properties": {
+        "action_type": {
+          "type": "object",
+          "description": "Device action translations",
+          "additionalProperties": {
+            "type": "string"
+          }
+        },
+        "condition_type": {
+          "type": "object",
+          "description": "Device condition translations",
+          "additionalProperties": {
+            "type": "string"
+          }
+        },
+        "trigger_type": {
+          "type": "object",
+          "description": "Device trigger translations",
+          "additionalProperties": {
+            "type": "string"
+          }
+        },
+        "trigger_subtype": {
+          "type": "object",
+          "description": "Device trigger subtype translations (e.g., button names)",
+          "additionalProperties": {
+            "type": "string"
+          }
+        }
+      }
+    },
+    "exceptions": {
+      "type": "object",
+      "description": "Translations for HomeAssistantError and subclasses",
+      "additionalProperties": {
+        "type": "object",
+        "properties": {
+          "message": {
+            "type": "string",
+            "description": "Exception message (supports placeholders)"
+          }
+        }
+      }
+    },
+    "issues": {
+      "type": "object",
+      "description": "Translations for repairs issues",
+      "additionalProperties": {
+        "type": "object",
+        "properties": {
+          "title": {
+            "type": "string",
+            "description": "Issue title"
+          },
+          "description": {
+            "type": "string",
+            "description": "Issue description (exactly one of 'description' or 'fix_flow' must be present)"
+          },
+          "fix_flow": {
+            "type": "object",
+            "description": "Repair flow translations (same format as config flow, exactly one of 'description' or 'fix_flow' must be present)"
+          }
+        }
+      }
     }
+  }
 }