feat: support inherit from frontmatter

Author: Quorafind

.claude/settings.local.json

@@ -0,0 +1,9 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(npm test)",
+      "Bash(npm test:*)"
+    ],
+    "deny": []
+  }
+}

src/__tests__/FileMetadataInheritance.test.ts

@@ -457,8 +457,8 @@ describe("File Metadata Inheritance", () => {
 			const tasks = parser.parseLegacy(content, "test.md", fileMetadata);
 
 			expect(tasks).toHaveLength(1);
-			// Should inherit as a single tag
-			expect(tasks[0].metadata.tags).toContain("single-tag");
+			// Should inherit as a single tag with # prefix
+			expect(tasks[0].metadata.tags).toContain("#single-tag");
 		});
 	});
 

src/components/task-view/TagViewComponent.ts

@@ -39,6 +39,28 @@ export class TagViewComponent extends TwoColumnViewBase<string> {
 		super(parentEl, app, plugin, config);
 	}
 
+	/**
+	 * Normalize a tag to ensure it has a # prefix
+	 * @param tag The tag to normalize
+	 * @returns Normalized tag with # prefix
+	 */
+	private normalizeTag(tag: string): string {
+		if (typeof tag !== 'string') {
+			return tag;
+		}
+		
+		// Trim whitespace
+		const trimmed = tag.trim();
+		
+		// If empty or already starts with #, return as is
+		if (!trimmed || trimmed.startsWith('#')) {
+			return trimmed;
+		}
+		
+		// Add # prefix
+		return `#${trimmed}`;
+	}
+
 	/**
 	 * 重写基类中的索引构建方法，为标签创建索引
 	 */
@@ -55,10 +77,13 @@ export class TagViewComponent extends TwoColumnViewBase<string> {
 						return;
 					}
 
-					if (!this.allTagsMap.has(tag)) {
-						this.allTagsMap.set(tag, new Set());
+					// 规范化标签格式
+					const normalizedTag = this.normalizeTag(tag);
+
+					if (!this.allTagsMap.has(normalizedTag)) {
+						this.allTagsMap.set(normalizedTag, new Set());
 					}
-					this.allTagsMap.get(tag)?.add(task.id);
+					this.allTagsMap.get(normalizedTag)?.add(task.id);
 				});
 			}
 		});

src/utils/workers/ConfigurableTaskParser.ts

@@ -1303,16 +1303,42 @@ export class MarkdownTaskParser {
 		return metadata;
 	}
 
+	/**
+	 * Normalize a tag to ensure it has a # prefix
+	 * @param tag The tag to normalize
+	 * @returns Normalized tag with # prefix
+	 */
+	private normalizeTag(tag: string): string {
+		if (typeof tag !== 'string') {
+			return tag;
+		}
+		
+		// Trim whitespace
+		const trimmed = tag.trim();
+		
+		// If empty or already starts with #, return as is
+		if (!trimmed || trimmed.startsWith('#')) {
+			return trimmed;
+		}
+		
+		// Add # prefix
+		return `#${trimmed}`;
+	}
+
 	/**
 	 * Merge tags from different sources, removing duplicates
 	 * @param baseTags Base tags array (from task)
 	 * @param inheritedTags Tags to inherit (from file metadata)
 	 * @returns Merged tags array with duplicates removed
 	 */
 	private mergeTags(baseTags: string[], inheritedTags: string[]): string[] {
-		const merged = [...baseTags];
+		// Normalize all tags before merging
+		const normalizedBaseTags = baseTags.map(tag => this.normalizeTag(tag));
+		const normalizedInheritedTags = inheritedTags.map(tag => this.normalizeTag(tag));
+		
+		const merged = [...normalizedBaseTags];
 
-		for (const tag of inheritedTags) {
+		for (const tag of normalizedInheritedTags) {
 			if (!merged.includes(tag)) {
 				merged.push(tag);
 			}
@@ -1461,7 +1487,9 @@ export class MarkdownTaskParser {
 							inherited["tags"] === null ||
 							inherited["tags"] === "")
 					) {
-						inherited["tags"] = JSON.stringify(value);
+						// Normalize tags before storing
+						const normalizedTags = value.map(tag => this.normalizeTag(tag));
+						inherited["tags"] = JSON.stringify(normalizedTags);
 					}
 				} else {
 					// Only inherit if: