Fix MAS adminapi listener missing — Element Admin panel broken

Add `adminapi` resource to MAS HTTP listener in deploy.sh and quickstart.sh.
Without it, MAS never served /api/admin/v1/... causing Element Admin to always
throw TypeError: Failed to fetch. Updated docs and added regression test.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

BUGFIXES.md

@@ -78,6 +78,7 @@ http:
         - name: graphql
           playground: true
         - name: assets    # ← Critical: This is required!
+        - name: adminapi  # ← Required for Element Admin panel
       binds:
         - address: '[::]:8080'
 ```

QUICK_REFERENCE.md

@@ -198,5 +198,6 @@ docker compose restart mas
 | `homeserver.domain not configured` (bridge) | Run `setup-bridges.sh` |
 | `as_token was not accepted` | Registration not loaded in Synapse — check `homeserver.yaml` |
 | MAS CSS missing | Add `- name: assets` to MAS listener resources |
+| Element Admin: `TypeError: Failed to fetch` | Add `- name: adminapi` to MAS listener resources |
 | `Template rendered to empty string` | Set `fetch_userinfo: true` in MAS upstream provider |
 | Bridge: `Connection refused` | Bridge hostname is 127.0.0.1 — must be 0.0.0.0 in config |

deploy.sh

@@ -734,6 +734,7 @@ http:
         - name: graphql
           playground: true
         - name: assets    # Required for CSS/JS files
+        - name: adminapi
       binds:
         - address: '[::]:8080'
     - name: internal

quickstart.sh

@@ -134,6 +134,7 @@ http:
         - name: graphql
           playground: true
         - name: assets
+        - name: adminapi
       binds:
         - address: '[::]:8080'
     - name: internal

test_deploy.sh

@@ -154,6 +154,8 @@ assert_configs() {
     assert_file "mas/config/config.yaml" "mas/config/config.yaml generated"
     assert_contains "mas/config/config.yaml" \
         "homeserver: '${server_name}'"                           "MAS → homeserver"
+    assert_contains "mas/config/config.yaml" \
+        "name: adminapi"                                         "MAS → adminapi listener present"
 
     # Element Web config (heredoc format has spaces: `"key": "value"`)
     assert_file "element/config/config.json" "element/config/config.json generated"