Add tests and search simulator TUI

tools/obsidian-shim.ts

@@ -0,0 +1,15 @@
+export class TFile {
+  path: string
+  basename: string
+  stat = { mtime: 1 }
+  constructor(path: string) {
+    this.path = path
+    this.basename = path.split('/').pop()!.replace(/\.md$/, '')
+  }
+}
+export class Notice { constructor(..._args: unknown[]) {} }
+export class MarkdownView {}
+export const Platform = { isMacOS: false }
+export const getAllTags = (metadata: any) => metadata?.tags ?? []
+export const parseFrontMatterAliases = (frontmatter: any) => frontmatter?.aliases ?? []
+export const normalizePath = (value: string) => value.replaceAll('\\', '/')