feat: Update workflow to remove feature branch support and streamline OS matrix for improved clarity

Author: yaonyan

.github/workflows/test.yml

@@ -2,7 +2,7 @@ name: MCPC Core - Deno Tests
 
 on:
   push:
-    branches: [main, develop, "feature/**"]
+    branches: [main, develop]
     paths:
       - "packages/core/**"
       - ".github/workflows/**"
@@ -21,7 +21,7 @@ jobs:
     strategy:
       matrix:
         deno-version: ["2.4.x", "2.x"]
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest]
       fail-fast: false
 
     steps:
@@ -90,24 +90,3 @@ jobs:
         with:
           file: ./packages/core/coverage.lcov
           flags: mcpc-core
-
-  security:
-    name: Security Check
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Git Checkout
-        uses: actions/checkout@v4
-
-      - name: Use Deno
-        uses: denoland/setup-deno@v2
-        with:
-          deno-version: 2.x
-
-      - name: Check Dependencies
-        working-directory: packages/core
-        run: |
-          echo "=== Dependency Info ==="
-          deno info mod.ts
-          echo "=== Checking for HTTP imports ==="
-          ! grep -r "http://" . --include="*.ts" || (echo "Found insecure HTTP imports" && exit 1)