ha(H4): сквозной тест repair-пути key_error -> reconfigure -> online

Ручная форма с исправленным lanip_key_id: реальная пробная сессия, reload
записи, исчезновение issue key_mismatch после выхода на связь.

tests/components/fglair/test_repairs.py

@@ -49,3 +49,56 @@ async def test_key_error_creates_and_fixes_issue(
     assert registry.async_get_issue(DOMAIN, issue_id) is None
 
     await hass.config_entries.async_unload(entry.entry_id)
+
+
+async def test_reconfigure_fixes_key_error(
+    hass: HomeAssistant, mock_ac, socket_enabled
+):
+    """Repair-путь целиком: bad key_id → issue → reconfigure → online → issue снят."""
+    from homeassistant.config_entries import SOURCE_RECONFIGURE
+    from test_config_flow import MANUAL_INPUT, PREVIEW_INPUT
+
+    proc = mock_ac(
+        ["--set", "operation_mode=6"], key_id=KEY_ID + 1
+    )
+    entry = await _setup_entry(hass, proc.port)
+    runtime = entry.runtime_data
+    await _wait_for(lambda: runtime.client.state == State.KEY_ERROR)
+
+    registry = ir.async_get(hass)
+    issue_id = f"key_mismatch_{DSN}"
+    assert registry.async_get_issue(DOMAIN, issue_id) is not None
+
+    # Mock помнит только один app_addr; останавливаем «залипшую» сессию,
+    # чтобы пробная сессия config flow получила KE (штатно это делает reload).
+    await runtime.client.async_stop()
+
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN,
+        context={"source": SOURCE_RECONFIGURE, "entry_id": entry.entry_id},
+    )
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"], {"next_step_id": "manual"}
+    )
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        {
+            **MANUAL_INPUT,
+            "host": "127.0.0.1",
+            "device_port": proc.port,
+            "lanip_key_id": KEY_ID + 1,
+        },
+    )
+    assert result["step_id"] == "preview", result.get("errors")
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"], PREVIEW_INPUT
+    )
+    assert result["type"] == "abort"
+    assert result["reason"] == "reconfigure_successful"
+    await hass.async_block_till_done()
+
+    runtime = entry.runtime_data
+    await _wait_for(lambda: runtime.client.state == State.ONLINE)
+    assert registry.async_get_issue(DOMAIN, issue_id) is None
+    assert entry.data["lanip_key_id"] == KEY_ID + 1
+    assert await hass.config_entries.async_unload(entry.entry_id)