Fix help link target and options-flow back navigation

- manifest documentation/issue_tracker now point to kapilmahawar/realme-scale-ha (was oliexdev/openScale)

- add async_step_menu handler so Back from options sub-steps no longer surfaces not_implemented

Author: kapilmahawar

CHANGELOG.md

@@ -11,6 +11,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Repository branding: realme logo added as `icon.png`/`logo.png`.
 - README: AI-use disclosure and contributor credits (DeepSeek).
 
+### Fixed
+- Integration **Help** link now points to this repository's documentation
+  (was the upstream openScale repo).
+- Options-flow **Back** navigation no longer raises `not_implemented`
+  (missing `async_step_menu` handler for the menu step).
+
 ## [0.4.0] - 2026-09-07
 
 ### Added

custom_components/realme_scale/config_flow.py

@@ -443,6 +443,17 @@ async def async_step_init(
             },
         )
 
+    async def async_step_menu(
+        self, user_input: dict[str, Any] | None = None
+    ) -> ConfigFlowResult:
+        """Re-render the menu when the user navigates back to it.
+
+        Home Assistant re-enters the flow at the last *shown* step when the
+        Back button is pressed; ``async_step_init`` registered the menu under
+        the step id ``menu``, so a handler with that name must exist.
+        """
+        return await self.async_step_init(user_input)
+
     # -- add / edit / remove users ----------------------------------------
 
     async def async_step_add_user(

custom_components/realme_scale/manifest.json

@@ -4,7 +4,8 @@
   "codeowners": [],
   "config_flow": true,
   "dependencies": ["bluetooth"],
-  "documentation": "https://github.com/oliexdev/openScale",
+  "documentation": "https://github.com/kapilmahawar/realme-scale-ha",
+  "issue_tracker": "https://github.com/kapilmahawar/realme-scale-ha/issues",
   "iot_class": "local_push",
   "integration_type": "device",
   "version": "0.4.0",