diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..50e50eb
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,7 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: monthly
+    labels: [dependencies, ci]
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..b4dbc90
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,21 @@
+name: CI
+on:
+  push:
+    branches: [main, dev, 'feat/**', 'fix/**']
+  pull_request:
+    branches: [main, dev]
+jobs:
+  shellcheck:
+    name: ShellCheck
+    runs-on: ubuntu-latest
+    container:
+      image: debian:trixie-slim
+    steps:
+      - run: apt-get update && apt-get install -y --no-install-recommends ca-certificates git shellcheck
+      - uses: actions/checkout@v6
+      - run: find . -name '*.sh' -exec shellcheck --severity=warning {} +
+
+  # No ansible-lint job: despite the repo name there are no roles or
+  # playbooks here — only shell scripts, ansible.cfg variants and Python
+  # callback plugins. Re-add it (profile: basic + .ansible-lint config,
+  # like the sibling repos) if Ansible YAML ever lands in this tree.
diff --git a/devkit_proxmox.STDIN.normalize.to.jsons.sh b/devkit_proxmox.STDIN.normalize.to.jsons.sh
index 0bf33d1..66b5d92 100755
--- a/devkit_proxmox.STDIN.normalize.to.jsons.sh
+++ b/devkit_proxmox.STDIN.normalize.to.jsons.sh
@@ -5,7 +5,6 @@
 parse_stdin_schema() {
     local SCHEMA=("$@")
     local STDIN_DATA KEY_NAME KEY_TYPE
-    local SIMPLE_VALUE SIMPLE_TYPE
     local KV_PAIR=()
 
     if [ -t 0 ]; then
@@ -15,15 +14,6 @@ parse_stdin_schema() {
 
     STDIN_DATA=$(cat -)
 
-    if [[ "$STDIN_DATA" =~ ^[0-9]+$ ]]; then
-        SIMPLE_TYPE="INT"
-        SIMPLE_VALUE="$STDIN_DATA"
-
-    elif [[ "$STDIN_DATA" =~ ^[a-zA-Z0-9._-]+$ ]]; then
-        SIMPLE_TYPE="STR"
-        SIMPLE_VALUE="$STDIN_DATA"
-    fi
-
     #
     # PURE TEXT CASE
     #
diff --git a/proxmox_vm.list_with_api.to.jsons.sh b/proxmox_vm.list_with_api.to.jsons.sh
index a2980be..e587615 100755
--- a/proxmox_vm.list_with_api.to.jsons.sh
+++ b/proxmox_vm.list_with_api.to.jsons.sh
@@ -11,7 +11,6 @@
 
 set -euo pipefail
 
-ACTION="vm_list"
 SOURCE_TAG="proxmox-api"
 DEFAULT_OUTPUT_JSON=true
 ARG_VM_NAME_FILTER=""
diff --git a/proxmox_vm.vm_id.get_usage.to.jsons.sh b/proxmox_vm.vm_id.get_usage.to.jsons.sh
index 0717d73..9d29192 100755
--- a/proxmox_vm.vm_id.get_usage.to.jsons.sh
+++ b/proxmox_vm.vm_id.get_usage.to.jsons.sh
@@ -9,8 +9,6 @@
 set -euo pipefail
 
 ACTION="vm_list_usage"
-# DEFAULT_OUTPUT_JSON=true # todo
-DEFAULT_OUTPUT_JSON=true
 # ARG_VM_NAME_FILTER=""
 
 #### #### #### #### #### #### #### #### #### #### #### #### #### #### #### ####
@@ -75,16 +73,12 @@ proxmox__inc.warmup_checks_stdin.sh
 #
 #### #### #### #### #### #### #### #### #### #### #### #### #### #### #### ####
 
-OUTPUT_JSON="$DEFAULT_OUTPUT_JSON"
-
 while [[ $# -gt 0 ]]; do
   case "$1" in
   --json)
-    OUTPUT_JSON=true
     shift
     ;;
   --text)
-    OUTPUT_JSON=false
     shift
     ;;
   -*)
diff --git a/proxmox_vm.vm_id.list_vm_and_extract_vm_name_with_api.to.jsons.sh b/proxmox_vm.vm_id.list_vm_and_extract_vm_name_with_api.to.jsons.sh
index 49e85d3..93eeb54 100755
--- a/proxmox_vm.vm_id.list_vm_and_extract_vm_name_with_api.to.jsons.sh
+++ b/proxmox_vm.vm_id.list_vm_and_extract_vm_name_with_api.to.jsons.sh
@@ -10,7 +10,6 @@
 
 set -euo pipefail
 
-ACTION="vm_list"
 SOURCE_TAG="proxmox-api"
 DEFAULT_OUTPUT_JSON=true