docs(influxdb3): clarify auth token usage and add CLI/API code tabs

content/shared/influxdb3-admin/tokens/admin/list.md

@@ -8,8 +8,39 @@ data and resources in your InfluxDB 3 instance.
 > Token metadata includes the hashed token string.
 > InfluxDB 3 does not store the raw token string.
 
-In the following examples, replace {{% code-placeholder-key %}}`AUTH_TOKEN`{{% /code-placeholder-key %}} with your InfluxDB {{% token-link "admin" %}}
-{{% show-in "enterprise" %}} or a token with read permission on the `_internal` system database`{{% /show-in %}}.
+To run the following examples, you must set the `INFLUXDB3_AUTH_TOKEN` environment variable with a valid InfluxDB {{% token-link "admin" %}}. {{% show-in "enterprise" %}}Alternatively use a token with read permission on the `_internal` system database.{{% /show-in %}} Use one of the following methods to set or include your token:
+
+{{% code-placeholders "your-token" %}}
+
+{{< code-tabs-wrapper >}}
+
+{{% code-tabs %}}
+[CLI](#cli-auth)
+[HTTP API](#http-api-auth)
+{{% /code-tabs %}}
+
+{{% code-tab-content %}}
+```bash
+# Set your InfluxDB 3 token as an environment variable
+export INFLUXDB3_AUTH_TOKEN=your-token
+```
+{{% /code-tab-content %}}
+
+{{% code-tab-content %}}
+
+```bash
+# Add your token to the HTTP Authorization header
+--header "Authorization: Bearer your-token"
+```
+
+{{% /code-tab-content %}}
+
+{{< /code-tabs-wrapper >}}
+
+{{% /code-placeholders %}}
+
+Replace `your-token` with your actual InfluxDB 3 token.
+
 
 ## List all tokens