Fix GitBook broken-reference placeholders

Replace broken-reference and /broken/pages/ links with correct targets:
- mobile-sdks "wide variety of IoT devices" → device integration overview
- ASSA ABLOY Credential Service references → assa-abloy-vingcard-credential-services.md
- ASSA ABLOY Credential Services sandbox references → same

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: louis-pre

docs/guides/core-concepts/connect-webviews/customizing-connect-webviews.md

@@ -52,7 +52,7 @@ When you create a Connect Webview, you can customize the providers—that is, th
 | [4SUITES](../../device-and-system-integration-guides/4suites-locks/)                                                                   | `four_suites`                   |
 | [Akiles](../../device-and-system-integration-guides/akiles-locks/)                                                                     | `akiles`                        |
 | [Akuvox](https://akuvox.com/)                                                                                                          | `akuvox`                        |
-| [ASSA ABLOY Credential Service](/broken/pages/E3681tQ6WZ6d1IId3ygF)                                                                    | `assa_abloy_credential_service` |
+| [ASSA ABLOY Credential Service](../../device-and-system-integration-guides/assa-abloy-vingcard-credential-services.md)                                                                    | `assa_abloy_credential_service` |
 | [ASSA ABLOY Visionline Access Control System](../../device-and-system-integration-guides/assa-abloy-visionline-access-control-system/) | `visionline`                    |
 | [August Home](../../device-and-system-integration-guides/august-locks.md)                                                                                     | `august`                        |
 | [Avigilon Alta](../../device-guides/avigilon-alta-access-system.md)                                                                    | `avigilon_alta`                 |

docs/guides/developer-tools/mobile-sdks/README.md

@@ -1,6 +1,6 @@
 # Mobile SDKs
 
-Our mobile device helper libraries (also known as Mobile device SDKs) help you create native applications for Apple’s and Android’s devices and platforms. These SDKs simplify integration with various mobile access providers and streamline your development process through a single unified interface. With a broad range of functionalities, they allow you to build a fully custom experience for your users. Further, these universal mobile SDKs are compatible with a [wide variety of IoT devices and access systems](broken-reference).
+Our mobile device helper libraries (also known as Mobile device SDKs) help you create native applications for Apple’s and Android’s devices and platforms. These SDKs simplify integration with various mobile access providers and streamline your development process through a single unified interface. With a broad range of functionalities, they allow you to build a fully custom experience for your users. Further, these universal mobile SDKs are compatible with a [wide variety of IoT devices and access systems](../../device-and-system-integration-guides/overview.md).
 
 <table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Seam Android SDK</strong></td><td></td><td></td><td><a href="https://github.com/seamapi/docs/blob/main/docs/developer-tools/mobile-sdks/android-sdk.md">Android SDK</a></td></tr><tr><td><strong>Seam iOS SDK</strong></td><td></td><td></td><td><a href="https://github.com/seamapi/docs/blob/main/docs/developer-tools/mobile-sdks/ios-sdk.md">iOS SDK</a></td></tr></tbody></table>
 

docs/guides/developer-tools/sandbox-and-sample-data/sandbox-assa-abloy-vingcard-credential-services.md

@@ -5,7 +5,7 @@ noIndex: true
 
 # Sandbox ASSA ABLOY Vingcard Credential Services
 
-Use the following set of credentials to add virtual [ASSA ABLOY Credential Services](/broken/pages/E3681tQ6WZ6d1IId3ygF) to your Seam [sandbox workspace](../../core-concepts/workspaces/#sandbox-workspaces):
+Use the following set of credentials to add virtual [ASSA ABLOY Credential Services](../../device-and-system-integration-guides/assa-abloy-vingcard-credential-services.md) to your Seam [sandbox workspace](../../core-concepts/workspaces/#sandbox-workspaces):
 
 {% hint style="info" %}
 Use the virtual ASSA ABLOY Credential Services with a [virtual Visionline ACS](../../device-guides/sandbox-and-sample-data/assa-abloy-visionline-access-management-system-sample-data.md) to issue mobile keys in a sandbox workspace.

docs/guides/developer-tools/sandbox-and-sample-data/sandbox-assa-abloy-vostio-access-control-system.md

@@ -3,7 +3,7 @@
 Use the following set of credentials to add virtual Assa Abloy Vingcard Vostio locks to your Seam [sandbox workspace](../../core-concepts/workspaces/#sandbox-workspaces):
 
 {% hint style="info" %}
-To use the virtual Visionline Access Control System (ACS) to issue mobile keys in a sandbox workspace, you must also connect the [virtual ASSA ABLOY Credential Services](/broken/pages/grFDq7ngzXxrhkYvBSQr).
+To use the virtual Visionline Access Control System (ACS) to issue mobile keys in a sandbox workspace, you must also connect the [virtual ASSA ABLOY Credential Services](../../device-and-system-integration-guides/assa-abloy-vingcard-credential-services.md).
 {% endhint %}
 
 ## Vostio Credentials

docs/guides/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/special-requirements-for-android-mobile-access-sdk-development.md

@@ -8,7 +8,7 @@ description: >-
 
 ## Add XML File with ASSA ABLOY AID
 
-To develop an Android mobile app that integrates with the ASSA ABLOY Visionline ACS, you must register for the ASSA ABLOY partnership program. Note that if you plan to integrate with the [ASSA ABLOY Visionline credential manager](/broken/pages/E3681tQ6WZ6d1IId3ygF), you must also register for this program. For details, see [https://www.abloy.com/global/en/partnership-and-integrations](https://www.abloy.com/global/en/partnership-and-integrations).
+To develop an Android mobile app that integrates with the ASSA ABLOY Visionline ACS, you must register for the ASSA ABLOY partnership program. Note that if you plan to integrate with the [ASSA ABLOY Visionline credential manager](../assa-abloy-vingcard-credential-services.md), you must also register for this program. For details, see [https://www.abloy.com/global/en/partnership-and-integrations](https://www.abloy.com/global/en/partnership-and-integrations).
 
 After you register for the ASSA ABLOY partnership program, ASSA ABLOY provides a Host-based Card Emulation application ID (HCE AID).
 

docs/guides/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/special-requirements-for-ios-mobile-access-sdk-development.md

@@ -8,7 +8,7 @@ description: >-
 
 ## Register for ASSA ABLOY Partnership Program
 
-To develop an iOS mobile app that integrates with the ASSA ABLOY Visionline ACS, you must register for the ASSA ABLOY partnership program. Note that if you plan to integrate with the [ASSA ABLOY Visionline credential manager](/broken/pages/E3681tQ6WZ6d1IId3ygF), you must also register for this program. For details, see [https://www.abloy.com/global/en/partnership-and-integrations](https://www.abloy.com/global/en/partnership-and-integrations).
+To develop an iOS mobile app that integrates with the ASSA ABLOY Visionline ACS, you must register for the ASSA ABLOY partnership program. Note that if you plan to integrate with the [ASSA ABLOY Visionline credential manager](../assa-abloy-vingcard-credential-services.md), you must also register for this program. For details, see [https://www.abloy.com/global/en/partnership-and-integrations](https://www.abloy.com/global/en/partnership-and-integrations).
 
 ***
 

docs/guides/device-guides/sandbox-and-sample-data/assa-abloy-visionline-access-management-system-sample-data.md

@@ -3,7 +3,7 @@
 Use the following set of credentials to add virtual [ASSA ABLOY Visionline Access Control System](../../device-and-system-integration-guides/assa-abloy-visionline-access-control-system/)-connected devices to your Seam [sandbox workspace](../../core-concepts/workspaces/#sandbox-workspaces):
 
 {% hint style="info" %}
-To use the virtual Vostio Access System to issue mobile keys in a sandbox workspace, you must also connect a [virtual ASSA ABLOY Credential Services](/broken/pages/grFDq7ngzXxrhkYvBSQr).
+To use the virtual Vostio Access System to issue mobile keys in a sandbox workspace, you must also connect a [virtual ASSA ABLOY Credential Services](../../device-and-system-integration-guides/assa-abloy-vingcard-credential-services.md).
 {% endhint %}
 
 ## Sandbox Seam Bridge Connection Credentials