docs(admin): remove Annotated Demo; fix Diagnostics list formatting; nav indentation fix; strict-build clean

Author: Faxbot Agent

docs/admin-console.md

@@ -23,10 +23,6 @@
   Generate outbound provider scaffolds.  
   [Open](admin-console/plugin-builder.md)
 
-- :material-image-search: **Annotated Demo**  
-  Guided, simulated console with callouts.  
-  [Open](admin-console/annotated-demo.md)
-
 </div>
 
 The Admin Console lets you manage keys, jobs, inbound inbox, diagnostics, and settings without editing `.env` by hand.

docs/admin-console/annotated-demo.md

@@ -4,6 +4,7 @@
 Run environment checks and get targeted guidance.
 
 Checks
+
 - API health and version
 - Backend configuration
   - Phaxio: API keys present, callback URL reachability hints, signature verification state
@@ -18,14 +19,17 @@ Checks
   - API key required, HTTPS enforced, audit logging enabled, file size limit
 
 Actions
+
 - “Restart API” (if allowed) to reinitialize backends after settings changes
 - Copy suggested `.env` snippets for fixes
 
 If something fails
+
 - Follow the actionable link beside the check (e.g., Backends, Security)
 - See [Troubleshooting](../troubleshooting.md)
 
 Related docs
+
 - Backends: [Phaxio](../setup/phaxio.md), [Sinch](../setup/sinch.md), [SIP/Asterisk](../setup/sip-asterisk.md)
 - Security: [Authentication](../security/authentication.md), [HIPAA](../HIPAA_REQUIREMENTS.md), [OAuth/OIDC](../security/oauth-setup.md)
 - Deployment: [Guide](../deployment.md)

docs/admin-console/diagnostics.md

@@ -160,7 +160,6 @@ nav:
     - Diagnostics Matrix: admin-console/diagnostics-matrix.md
     - API Keys: admin-console/api-keys.md
     - Plugin Builder: admin-console/plugin-builder.md
-    - Annotated Demo: admin-console/annotated-demo.md
   - Third-Party: third-party.md
   - Apps:
     - Overview: apps/index.md