feat: enhance GitHub PAT retrieval and add MCP server configuration

.devcontainer/library-scripts/load-env.sh

@@ -12,12 +12,22 @@ set -o pipefail
 # Try to get PAT from environment first
 pat="${GITHUB_PERSONAL_ACCESS_TOKEN:-}"
 
-# If not in environment, try to get from GitHub CLI
+# If not in environment, try to get from .env file
+if [[ -z "${pat}" ]] || [[ "${#pat}" -lt 30 ]]; then
+    if [[ -f "${containerWorkspaceFolder}/.devcontainer/.env" ]]; then
+        source "${containerWorkspaceFolder}/.devcontainer/.env"
+        pat="${GITHUB_PERSONAL_ACCESS_TOKEN:-}"
+    fi
+fi
+
+# If still not set, try to get from GitHub CLI
 if [[ -z "${pat}" ]] || [[ "${#pat}" -lt 30 ]]; then
     if command -v gh &> /dev/null; then
         if gh auth status &> /dev/null; then
             pat=$(gh auth token)
             if [[ -n "${pat}" ]] && [[ "${#pat}" -gt 30 ]]; then
+                # Export the token to environment
+                export GITHUB_PERSONAL_ACCESS_TOKEN="${pat}"
                 # Save the token to .env file if it's valid
                 ENV_FILE="/workspaces/finance/.devcontainer/.env"
                 echo "# GitHub Finance Devcontainer Configuration" > "${ENV_FILE}"

.vscode/settings.json

@@ -18,5 +18,23 @@
       "port": "443",
       "baseUrl": "https://finance-app-production.example.com/api"
     }
+  },
+  "mcp": {
+    "servers": {
+      "github": {
+        "command": "docker",
+        "args": [
+          "run",
+          "-i",
+          "--rm",
+          "-e",
+          "GITHUB_PERSONAL_ACCESS_TOKEN=${env:GITHUB_PERSONAL_ACCESS_TOKEN}",
+          "ghcr.io/github/github-mcp-server"
+        ],
+        "env": {
+          "GITHUB_PERSONAL_ACCESS_TOKEN": "${env:GITHUB_PERSONAL_ACCESS_TOKEN}"
+        }
+      }
+    }
   }
 }