Phase 4.8 -- Settings Page

Parent: #762 | Wave 3

Scope

• Search: fuzzy search across all settings by name, description, namespace
• Grouped rendering: settings organized by namespace with collapsible sections
• Dependency indicators: show when changing one setting affects others
• Floating save button: prominent, always visible when dirty (not easy to miss)
• Advanced mode toggle: warning dialog before enabling, banner when active
• Edit modes: GUI view + JSON/YAML code editor toggle (CodeMirror)
• Setting source badges: show where value comes from (DB, env, YAML, code default)
• Restart badges: indicate settings that require restart to take effect

Deliverables

• Settings page with search
• Grouped rendering with collapse
• Dependency indicator system
• Save button, advanced mode, edit modes
• Unit tests

Blocked by

• feat: interaction components and animation patterns #776 (interaction components)