fix(ci): 🐛 test typescript-dev alone (installs essential-dev automatically)

- Remove essential-dev from features list in test matrix
- typescript-dev declares essential-dev in installsAfter
- CLI will install both features automatically

Author: baxyz

.github/workflows/test.yml

@@ -51,8 +51,8 @@ jobs:
             baseImage: mcr.microsoft.com/devcontainers/typescript-node:20
 
           # typescript-dev - requires VS Code (extensions only, no install.sh logic)
-          # Tested with essential-dev as it's a dependency
-          - features: essential-dev,typescript-dev
+          # Will automatically install essential-dev via installsAfter dependency
+          - features: typescript-dev
             baseImage: mcr.microsoft.com/devcontainers/typescript-node:20
 
           # auto-header - works on any base image with bash and python3

src/typescript-dev/devcontainer-feature.json

@@ -3,7 +3,7 @@
   "version": "1.0.5",
   "name": "TypeScript Development Environment",
   "description": "TypeScript/JavaScript development setup with indexing, import management, HTML/CSS intelligence, and web tools. Requires essential-dev for Git, Copilot, and editor enhancements.",
-  "documentationURL": "https://github.com/helpers4/devcontainer/tree/main/features/typescript-dev",
+  "documentationURL": "https://github.com/helpers4/devcontainer/tree/main/src/typescript-dev",
   "installsAfter": [
     "ghcr.io/helpers4/devcontainer/essential-dev"
   ],