debug: add more logging and fix ~/.gemini directory issue

Author: cocosheng-g

action.yml

@@ -233,7 +233,8 @@ runs:
         USE_PNPM: '${{ inputs.use_pnpm }}'
       shell: 'bash'
       run: |-
-        set -euo pipefail
+        set -exuo pipefail
+        mkdir -p ~/.gemini
         echo "Starting Gemini CLI installation..."
 
         VERSION_INPUT="${GEMINI_CLI_VERSION:-latest}"
@@ -290,7 +291,12 @@ runs:
       id: 'gemini_run'
       shell: 'bash'
       run: |-
-        set -euo pipefail
+        set -exuo pipefail
+        echo "Starting Gemini CLI execution..."
+
+        echo "--- Environment variables ---"
+        env | sort | grep -vE "TOKEN|KEY|PASS|SECRET" || true
+        echo "--- End environment variables ---"
 
         # Create a temporary directory for storing the output, and ensure it's
         # cleaned up later