362 lines
		
	
	
		
			9.4 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			362 lines
		
	
	
		
			9.4 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| # Graph Settings Implementation Summary
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| 
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| ## ✅ Implementation Complete
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| 
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| A comprehensive Graph Settings feature has been successfully implemented for ObsiViewer, providing full Obsidian compatibility for graph customization.
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| 
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| ## 📦 What Was Built
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| 
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| ### Core Architecture
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| 
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| #### 1. **Type System** (`src/app/graph/graph-settings.types.ts`)
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| - `GraphConfig` interface matching Obsidian's graph.json structure
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| - `GraphColor` and `GraphColorGroup` types for color management
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| - Color conversion utilities (HEX ↔ RGB Integer ↔ RGBA)
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| - Validation and bounds checking for all numeric values
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| - Default configuration constants
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| 
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| #### 2. **Service Layer** (`src/app/graph/graph-settings.service.ts`)
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| - Load/save configuration from `.obsidian/graph.json`
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| - Debounced writes (250ms) to prevent excessive I/O
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| - External file change detection (2-second polling)
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| - Section-specific and global reset functionality
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| - Signal-based reactive state management
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| - Conflict resolution with revision tracking
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| 
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| #### 3. **Runtime Adapter** (`src/app/graph/graph-runtime-adapter.ts`)
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| - Converts `GraphConfig` to `GraphDisplayOptions`
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| - Applies filters (search, tags, attachments, orphans, unresolved)
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| - Processes color groups with query matching
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| - Translates Obsidian ranges to d3-force parameters
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| - Node coloring based on tag/file/path queries
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| 
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| #### 4. **UI Components**
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| 
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| **Settings Button** (`ui/settings-button.component.ts`)
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| - Gear icon (⚙️) in top-right corner
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| - Smooth rotation animation on hover
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| - Keyboard accessible (Enter/Space)
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| - Dark mode support
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| 
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| **Settings Panel** (`ui/settings-panel.component.ts`)
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| - Slide-over panel (400px desktop, full-screen mobile)
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| - Collapsible sections with persist state
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| - Close on Esc key, backdrop click
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| - Reset all/reset section buttons
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| - Focus trap when open
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| 
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| **Section Components**:
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| - **Filters** (`sections/filters-section.component.ts`)
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|   - Search input
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|   - Tag/Attachment/Orphan/Unresolved toggles
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|   
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| - **Groups** (`sections/groups-section.component.ts`)
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|   - Color group list with color picker
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|   - Query input (tag:/file:/path:)
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|   - Add/Duplicate/Delete actions
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|   - Help text with examples
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|   
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| - **Display** (`sections/display-section.component.ts`)
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|   - Arrows toggle
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|   - Text fade/Node size/Link thickness sliders
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|   - Animate button
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|   
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| - **Forces** (`sections/forces-section.component.ts`)
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|   - Center/Repel/Link force sliders
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|   - Link distance slider
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|   - Real-time value display
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| 
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| ### Backend Integration
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| 
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| #### Server Endpoints (`server/index.mjs`)
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| 
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| **GET /api/vault/graph**
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| - Load graph configuration
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| - Returns `{ config, rev }`
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| - Creates default config if missing
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| 
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| **PUT /api/vault/graph**
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| - Save graph configuration
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| - Supports `If-Match` header for conflict detection
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| - Atomic writes (temp file + rename)
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| - Auto-backup to `.bak` file
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| - Returns new revision
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| 
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| ### Frontend Integration
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| 
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| #### Updated Components
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| 
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| **graph-view-container.component.ts**
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| - Integrated settings button and panel
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| - Applied filters to graph data
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| - Computed display options from config
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| - Applied color groups to nodes
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| - Maintained backward compatibility with old panel
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| 
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| **graph-view.component.ts**
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| - Added `nodeColors` to `GraphDisplayOptions`
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| - Implemented `getNodeColor()` method
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| - Dynamic node coloring based on groups
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| - SVG circle fill from color map
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| 
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| ## 🎯 Features Implemented
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| 
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| ### ✅ Filters Section
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| - [x] Search text filter
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| - [x] Show/hide Tags toggle
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| - [x] Show/hide Attachments toggle
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| - [x] Existing files only (hideUnresolved) toggle
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| - [x] Show/hide Orphans toggle
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| 
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| ### ✅ Groups Section
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| - [x] Color group list
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| - [x] Add new group with default color
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| - [x] Color picker (hex/RGB)
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| - [x] Query input with validation
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| - [x] Duplicate group
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| - [x] Delete group
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| - [x] Query types: tag:, file:, path:
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| 
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| ### ✅ Display Section
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| - [x] Show arrows toggle
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| - [x] Text fade threshold slider (-3 to 3)
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| - [x] Node size multiplier (0.25 to 3)
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| - [x] Link thickness multiplier (0.25 to 3)
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| - [x] Animate button
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| 
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| ### ✅ Forces Section
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| - [x] Center strength (0 to 2)
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| - [x] Repel strength (0 to 20)
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| - [x] Link strength (0 to 2)
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| - [x] Link distance (20 to 300)
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| 
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| ### ✅ Persistence & Sync
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| - [x] Read from `.obsidian/graph.json`
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| - [x] Write with 250ms debounce
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| - [x] Atomic file writes
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| - [x] Backup to `.bak` file
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| - [x] Conflict detection via revisions
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| - [x] External change polling (2s interval)
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| - [x] Auto-reload on external change
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| 
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| ### ✅ UX & Accessibility
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| - [x] Responsive design (desktop/mobile)
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| - [x] Dark mode support
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| - [x] Keyboard navigation
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| - [x] Focus management
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| - [x] Esc to close
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| - [x] ARIA labels
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| - [x] Smooth animations
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| - [x] Real-time updates
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| 
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| ## 📁 File Structure
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| 
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| ```
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| src/app/graph/
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| ├── graph-settings.types.ts              # Types & utilities
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| ├── graph-settings.service.ts            # Service layer
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| ├── graph-runtime-adapter.ts             # Config → Runtime
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| └── ui/
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|     ├── settings-button.component.ts     # Gear button
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|     ├── settings-panel.component.ts      # Main panel
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|     └── sections/
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|         ├── filters-section.component.ts
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|         ├── groups-section.component.ts
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|         ├── display-section.component.ts
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|         └── forces-section.component.ts
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| 
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| docs/
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| ├── GRAPH_SETTINGS.md                    # Full documentation
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| └── GRAPH_SETTINGS_QUICK_START.md        # Quick start guide
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| 
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| server/
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| └── index.mjs                            # API endpoints added
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| ```
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| 
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| ## 🔧 Configuration Reference
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| 
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| ### JSON Structure
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| ```json
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| {
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|   "collapse-filter": boolean,
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|   "search": string,
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|   "showTags": boolean,
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|   "showAttachments": boolean,
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|   "hideUnresolved": boolean,
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|   "showOrphans": boolean,
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|   
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|   "collapse-color-groups": boolean,
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|   "colorGroups": [
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|     {
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|       "query": string,
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|       "color": { "a": number, "rgb": number }
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|     }
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|   ],
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|   
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|   "collapse-display": boolean,
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|   "showArrow": boolean,
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|   "textFadeMultiplier": number,
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|   "nodeSizeMultiplier": number,
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|   "lineSizeMultiplier": number,
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|   
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|   "collapse-forces": boolean,
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|   "centerStrength": number,
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|   "repelStrength": number,
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|   "linkStrength": number,
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|   "linkDistance": number,
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|   
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|   "scale": number,
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|   "close": boolean
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| }
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| ```
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| 
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| ### Default Values
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| ```typescript
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| {
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|   'collapse-filter': false,
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|   search: '',
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|   showTags: false,
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|   showAttachments: false,
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|   hideUnresolved: false,
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|   showOrphans: true,
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|   'collapse-color-groups': false,
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|   colorGroups: [],
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|   'collapse-display': false,
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|   showArrow: false,
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|   textFadeMultiplier: 0,
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|   nodeSizeMultiplier: 1,
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|   lineSizeMultiplier: 1,
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|   'collapse-forces': false,
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|   centerStrength: 0.5,
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|   repelStrength: 10,
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|   linkStrength: 1,
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|   linkDistance: 250,
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|   scale: 1,
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|   close: false
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| }
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| ```
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| 
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| ## 🚀 How to Use
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| 
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| ### For Users
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| 
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| 1. **Open Settings**: Click gear icon (⚙️) in graph view
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| 2. **Customize**: Adjust filters, groups, display, forces
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| 3. **See Live**: Changes apply immediately
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| 4. **Close**: Click X, press Esc, or click backdrop
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| 
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| ### For Developers
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| 
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| ```typescript
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| // Inject service
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| import { GraphSettingsService } from './app/graph/graph-settings.service';
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| 
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| constructor(private settings: GraphSettingsService) {}
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| 
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| // Get current config
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| const config = this.settings.config();
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| 
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| // Update settings
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| this.settings.save({ showArrow: true });
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| 
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| // Watch changes
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| this.settings.watch(config => {
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|   console.log('Updated:', config);
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| });
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| 
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| // Reset
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| this.settings.resetToDefaults();
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| this.settings.resetSection('display');
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| ```
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| 
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| ## 🧪 Testing Checklist
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| 
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| ### Manual Tests
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| - [x] Settings button appears in graph view
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| - [x] Click button opens panel
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| - [x] All sections expand/collapse
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| - [x] Search filters nodes
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| - [x] Toggles show/hide elements
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| - [x] Color groups work with queries
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| - [x] Sliders update in real-time
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| - [x] Animate restarts simulation
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| - [x] Settings persist after reload
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| - [x] External edits reload config
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| - [x] Reset all/section works
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| - [x] Esc closes panel
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| - [x] Mobile responsive
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| - [x] Dark mode correct
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| 
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| ### Integration Tests
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| - [x] graph.json created on startup
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| - [x] Atomic writes work
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| - [x] Backup files created
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| - [x] Conflict detection (409)
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| - [x] Polling detects changes
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| - [x] Debounce prevents spam
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| - [x] Invalid JSON handled
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| - [x] Missing file uses defaults
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| 
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| ## 📊 Performance
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| 
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| - **Write Debounce**: 250ms (configurable)
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| - **Polling Interval**: 2 seconds (configurable)
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| - **File Operations**: Atomic (temp + rename)
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| - **Validation**: Bounds clamping on all numeric values
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| - **Rendering**: Signal-based, minimal re-renders
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| 
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| ## 🌐 Browser Support
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| 
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| - Chrome/Edge: ✅ Full support
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| - Firefox: ✅ Full support
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| - Safari: ✅ Full support
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| - Mobile: ✅ Responsive design
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| 
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| ## 🔮 Future Enhancements
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| 
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| - [ ] Drag & drop for group reordering
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| - [ ] Advanced query builder UI
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| - [ ] Preset configurations
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| - [ ] Export/import settings
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| - [ ] Undo/redo
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| - [ ] More query types (outlinks, backlinks, etc.)
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| - [ ] Animation presets
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| - [ ] Layout algorithm selector
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| 
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| ## 📚 Documentation
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| 
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| - **Full Docs**: [GRAPH_SETTINGS.md](./docs/GRAPH_SETTINGS.md)
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| - **Quick Start**: [GRAPH_SETTINGS_QUICK_START.md](./docs/GRAPH_SETTINGS_QUICK_START.md)
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| - **This Summary**: Current file
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| 
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| ## 🎉 Summary
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| 
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| The Graph Settings feature is **production-ready** with:
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| 
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| ✅ **Complete Obsidian Compatibility**
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| - Exact JSON format matching
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| - All settings implemented
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| - Same UX/UI patterns
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| 
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| ✅ **Robust Implementation**
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| - Type-safe TypeScript
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| - Reactive Angular signals
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| - Atomic file operations
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| - Conflict resolution
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| - Error handling
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| 
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| ✅ **Great UX**
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| - Real-time updates
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| - Responsive design
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| - Keyboard accessible
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| - Dark mode support
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| - Smooth animations
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| 
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| ✅ **Well Documented**
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| - Comprehensive docs
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| - Quick start guide
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| - Code examples
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| - API reference
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| 
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| The feature is ready for user testing and can be deployed immediately! 🚀
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