feat: Enhanced frontmatter rules with universal field support

.env

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+export const obsidianExportPath =
+  '/Users/kayajones/Library/Mobile Documents/iCloud~md~obsidian/Documents/my brain/.obsidian/plugins/obsidian-iconize/';;
+

.env copy

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+export const obsidianExportPath =
+  '/Users/kayajones/Library/Mobile Documents/iCloud~md~obsidian/Documents/my brain/.obsidian/plugins/obsidian-iconize/';
+

.history/.env copy_20250714222050

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+export const obsidianExportPath =
+  '/Users/kayajones/Library/Mobile Documents/iCloud~md~obsidian/Documents/my brain/.obsidian/plugins/obsidian-iconize/';;
+

.history/.env copy_20250714222052

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+export const obsidianExportPath =
+  '/Users/kayajones/Library/Mobile Documents/iCloud~md~obsidian/Documents/my brain/.obsidian/plugins/obsidian-iconize/';;
+

.history/.env copy_20250714222119

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+export const obsidianExportPath =
+  '/Users/kayajones/Library/Mobile Documents/iCloud~md~obsidian/Documents/my brain/.obsidian/plugins/obsidian-iconize/';
+

.history/.env_20250714221515

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+export const obsidianExportPath =
+  '/Users/kayajones/Library/Mobile Documents/iCloud~md~obsidian/Documents/my brain/.obsidian/plugins/obsidian-iconize/';

.history/.env_20250714221531

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+export const obsidianExportPath =
+  '/Users/kayajones/Library/Mobile Documents/iCloud~md~obsidian/Documents/my brain/.obsidian/plugins/obsidian-iconize/';

.history/.env_20250714221935

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+export const obsidianExportPath =
+  '/Users/kayajones/Library/Mobile Documents/iCloud~md~obsidian/Documents/my brain/.obsidian/plugins/obsidian-iconize/';;
+

.history/FRONTMATTER_RULES_EXAMPLE_20250714220354.md

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+

.history/FRONTMATTER_RULES_EXAMPLE_20250714220357.md

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+# Frontmatter-Based Icon Rules Example
+
+This document demonstrates how to use the new automatic frontmatter-based icon management feature in Obsidian Iconize.
+
+## What it does
+
+The feature automatically manages file icons based on frontmatter properties, such as quality scores, ratings, or any other metadata. Icons are:
+- **Added** to files that meet the criteria and don't already have manually set icons
+- **Removed** from files that no longer meet the criteria (but only if they were set by this system)
+- **Avoided conflicts** with manually set icons or other plugin settings
+
+## Example Usage
+
+### Setup Rules
+
+1. Go to Settings → Iconize → Frontmatter-based icon rules
+2. Enable "Automatic frontmatter-based icon rules"
+3. Add a new rule:
+   - **Rule name**: "High Quality Notes"
+   - **Apply to**: Files only
+   - **Frontmatter field**: quality
+   - **Condition**: greater than or equal
+   - **Value**: 8
+   - **Icon**: ⭐ (or any icon from icon packs)
+
+### Example Files
+
+**File with high quality score** (gets icon automatically):
+```yaml
+---
+quality: 9
+title: "Important Research Notes"
+---
+
+This file will automatically get a star icon because quality >= 8.
+```
+
+**File with low quality score** (no icon):
+```yaml
+---
+quality: 5
+title: "Draft Notes"
+---
+
+This file won't get an icon because quality < 8.
+```
+
+**File without quality metadata** (no icon):
+```yaml
+---
+title: "Regular Notes"
+---
+
+This file won't get an icon because it has no quality field.
+```
+
+## Supported Operators
+
+- **equals**: Field value exactly matches
+- **not-equals**: Field value does not match  
+- **greater-than**: Numeric field value is greater than
+- **greater-equal**: Numeric field value is greater than or equal
+- **less-than**: Numeric field value is less than
+- **less-equal**: Numeric field value is less than or equal
+- **contains**: String field value contains substring
+- **not-contains**: String field value does not contain substring
+- **exists**: Field exists in frontmatter
+- **not-exists**: Field does not exist in frontmatter
+
+## Advanced Examples
+
+### Rating System
+```yaml
+# Rule: rating >= 4 → ⭐
+# Rule: rating <= 2 → ❌
+---
+rating: 5
+---
+```
+
+### Status-Based Icons
+```yaml
+# Rule: status equals "completed" → ✅
+# Rule: status equals "in-progress" → 🔄
+# Rule: status equals "todo" → 📝
+---
+status: completed
+---
+```
+
+### Tag-Based Icons
+```yaml
+# Rule: tags contains "important" → ❗
+---
+tags: ["work", "important", "project"]
+---
+```
+
+## Priority System
+
+1. **Manual icons** (highest priority) - never overridden
+2. **Frontmatter rules** (medium priority) - applied automatically
+3. **Custom path rules** (lowest priority) - existing system
+
+The system will never override manually set icons, ensuring your intentional choices are preserved. 

.history/FRONTMATTER_RULES_EXAMPLE_20250714221218.md

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+

.history/env_20250714221143.js

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+

.history/env_20250714221146.js

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+export const obsidianExportPath = './build/'; 

.history/env_20250714221214.js

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+

.history/env_20250714221726.js

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+// Replace this path with your actual Obsidian vault path
+export const obsidianExportPath = '/path/to/your/obsidian/vault/.obsidian/plugins/obsidian-iconize/'; 

.history/env_20250714222638.js

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+// Replace this path with your actual Obsidian vault path
+export const obsidianExportPath =
+  '/Users/kayajones/Library/Mobile Documents/iCloud~md~obsidian/Documents/my brain/.obsidian/plugins/obsidian-iconize/';
+

.history/env_20250714222639.js

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+// Replace this path with your actual Obsidian vault path
+export const obsidianExportPath =
+  '/Users/kayajones/Library/Mobile Documents/iCloud~md~obsidian/Documents/my brain/.obsidian/plugins/obsidian-iconize/';
+

.history/env_20250714222705.js

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+// Update this path to point to your actual Obsidian vault
+// Example: If your vault is at /Users/kayajones/Documents/MyVault
+// Then set this to: /Users/kayajones/Documents/MyVault/.obsidian/plugins/obsidian-iconize/
+export const obsidianExportPath = '/Users/kayajones/Documents/YourVaultName/.obsidian/plugins/obsidian-iconize/';
+

.history/env_20250714222714.js

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+// Path to your Obsidian vault's plugin directory
+export const obsidianExportPath = '/Users/kayajones/Library/Mobile Documents/iCloud~md~obsidian/Documents/my brain/.obsidian/plugins/obsidian-iconize/';
+

.history/env_20250714231207.js

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+// Path to your Obsidian vault's plugin directory
+export const obsidianExportPath = '/Users/kayajones/Library/Mobile Documents/iCloud~md~obsidian/Documents/my brain/.obsidian/plugins/obsidian-iconize/';
+

.history/src/lib/frontmatter-rule_20250714215920.ts

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+