Fix CI failures: remove unicode and fix lean build

- Replace all unicode (emojis, checkmarks, arrows, em-dashes) with ASCII in .claude/ docs
- Comment out OperatingSystemsList route in core.js - breaks lean builds without computers plugin
- Comment out Operating Systems tab in ModelCatalogHub
- TODO: Plugins should dynamically register their settings routes

Fixes #2 CI check failures on wj branch

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

.claude/plans/SAML-FEATURE-PLAN.md

@@ -1162,13 +1162,13 @@ def test_saml_group_to_role_mapping():
 - HTTPS enabled on ShopDB (required for SAML)
 
 ## Step 1: Create M365 Enterprise Application
-1. Go to Azure AD / Entra ID → Enterprise Applications
-2. New Application → Create your own
+1. Go to Azure AD / Entra ID -> Enterprise Applications
+2. New Application -> Create your own
 3. Name: "ShopDB Production"
 4. Click Assign users and groups
 
 ## Step 2: Configure SAML in Azure
-1. In Enterprise App, go to Single sign-on → SAML
+1. In Enterprise App, go to Single sign-on -> SAML
 2. Basic SAML Configuration:
    - Identifier (Entity ID): `https://shopdb.yourdomain.com`
    - Reply URL (ACS): `https://shopdb.yourdomain.com/api/auth/saml/acs`
@@ -1182,7 +1182,7 @@ def test_saml_group_to_role_mapping():
 
 ## Step 3: Configure ShopDB
 1. Login to ShopDB as admin
-2. Settings → Authentication
+2. Settings -> Authentication
 3. Enable SAML SSO toggle
 4. Paste Federation Metadata URL from Azure
 5. Set Entity ID: `https://shopdb.yourdomain.com`
@@ -1344,7 +1344,7 @@ If complete failure:
 2. **Plugin Hooks for Auth**
    - `get_authentication_providers()` - Contribute new auth methods
    - `on_user_authenticated()` - Post-auth callbacks
-   - `map_external_groups_to_roles()` - Custom group→role logic
+   - `map_external_groups_to_roles()` - Custom group->role logic
    - `provision_user_attributes()` - Custom user provisioning
 
 3. **Core SAML Implementation**
@@ -1420,7 +1420,7 @@ If complete failure:
 
 ## Success Criteria
 
-✅ **Functional Requirements:**
+[X] **Functional Requirements:**
 - [ ] M365 SAML login works end-to-end
 - [ ] Auto-user-creation provisions users correctly
 - [ ] Group-based admin assignment works
@@ -1429,7 +1429,7 @@ If complete failure:
 - [ ] Plugin can contribute custom auth provider
 - [ ] Plugin can extend user provisioning
 
-✅ **Non-Functional Requirements:**
+[X] **Non-Functional Requirements:**
 - [ ] No breaking changes to existing auth
 - [ ] Follows ShopDB plugin architecture patterns
 - [ ] Works in air-gapped deployment
@@ -1437,7 +1437,7 @@ If complete failure:
 - [ ] Comprehensive error handling
 - [ ] Audit logging for all auth events
 
-✅ **Documentation:**
+[X] **Documentation:**
 - [ ] Admin setup guide complete
 - [ ] Plugin extension guide complete
 - [ ] ADR documenting auth service architecture