ci: switch to Yarn to resolve peer dependency conflicts

- Replace npm ci with yarn install for better peer dependency handling
- Generate yarn.lock file for consistent dependency resolution
- Update GitHub Actions cache configuration to use Yarn
- Resolves @amanda-mitchell/semantic-release-npm-multiple compatibility issues

Author: Mearman

.github/workflows/main.yml

@@ -36,7 +36,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
-          cache: 'npm'
+          cache: 'yarn'
 
       - name: Cache TypeScript build
         uses: actions/cache@v4
@@ -61,7 +61,7 @@ jobs:
             ${{ runner.os }}-test-
           
       - name: Install dependencies
-        run: npm ci --legacy-peer-deps
+        run: yarn install --frozen-lockfile
 
       # Auto-fix linting issues (only on push to main)
       - name: Check for fixable linting issues
@@ -187,11 +187,11 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '20.x'
-          cache: 'npm'
+          cache: 'yarn'
           registry-url: 'https://registry.npmjs.org'
 
       - name: Install dependencies
-        run: npm ci --legacy-peer-deps
+        run: yarn install --frozen-lockfile
 
       - name: Download coverage artifacts
         uses: actions/download-artifact@v4
@@ -443,10 +443,10 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '20.x'
-          cache: 'npm'
+          cache: 'yarn'
 
       - name: Install dependencies
-        run: npm ci --legacy-peer-deps
+        run: yarn install --frozen-lockfile
 
       - name: Build project
         run: npm run build

package.json

@@ -4,9 +4,7 @@
   "description": "TypeScript CLI for markdown file operations with intelligent link refactoring",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
-  "bin": {
-    "markmv": "./dist/cli.js"
-  },
+  "bin": "./dist/cli.js",
   "exports": {
     ".": {
       "types": "./dist/index.d.ts",