UI styling improvements: dashboard headers and navigation

- Restore blue PageHeader on Dashboard (/app-components)
- Update homepage (/) with subtle header design without blue bar
- Add uniform PageHeader styling to application edit page
- Fix Rapporten link on homepage to point to /reports overview
- Improve header descriptions spacing for better readability

backend/scripts/generate-schema.ts

@@ -752,18 +752,12 @@ function generateDatabaseSchema(generatedAt: Date): string {
     '-- =============================================================================',
     '-- Core Tables',
     '-- =============================================================================',
-    '',
-    '-- Cached CMDB objects (all types stored in single table with JSON data)',
-    'CREATE TABLE IF NOT EXISTS cached_objects (',
-    '  id TEXT PRIMARY KEY,',
-    '  object_key TEXT NOT NULL UNIQUE,',
-    '  object_type TEXT NOT NULL,',
-    '  label TEXT NOT NULL,',
-    '  data JSON NOT NULL,',
-    '  jira_updated_at TEXT,',
-    '  jira_created_at TEXT,',
-    '  cached_at TEXT NOT NULL',
-    ');',
+    '--',
+    '-- NOTE: This schema is LEGACY and deprecated.',
+    '-- The current system uses the normalized schema defined in',
+    '-- backend/src/services/database/normalized-schema.ts',
+    '--',
+    '-- This file is kept for reference and migration purposes only.',
     '',
     '-- Object relations (references between objects)',
     'CREATE TABLE IF NOT EXISTS object_relations (',
@@ -787,10 +781,6 @@ function generateDatabaseSchema(generatedAt: Date): string {
     '-- Indices for Performance',
     '-- =============================================================================',
     '',
-    'CREATE INDEX IF NOT EXISTS idx_objects_type ON cached_objects(object_type);',
-    'CREATE INDEX IF NOT EXISTS idx_objects_key ON cached_objects(object_key);',
-    'CREATE INDEX IF NOT EXISTS idx_objects_updated ON cached_objects(jira_updated_at);',
-    'CREATE INDEX IF NOT EXISTS idx_objects_label ON cached_objects(label);',
     '',
     'CREATE INDEX IF NOT EXISTS idx_relations_source ON object_relations(source_id);',
     'CREATE INDEX IF NOT EXISTS idx_relations_target ON object_relations(target_id);',