Find all logical errors, inconsistencies and bugs in following ansible code (tasks in role context):

```yaml
---
# tasks file for service-actions
- name: Load service descriptors
  ansible.builtin.slurp:
    src: "{{ service_descriptors_file }}"
  register: loaded_service_descriptors
  changed_when: false

- name: Decode and parse service descriptors
  ansible.builtin.set_fact:
    service_descriptors: "{{ loaded_service_descriptors.content | b64decode | from_yaml }}"

- name: Validate service descriptors structure
  ansible.builtin.fail:
    msg: "Invalid service descriptors format - missing 'services' list"
  when: 
    - service_descriptors.services is undefined

- name: debug service descriptors
  ansible.builtin.debug:
    msg: "appname: {{ appname }}, action: {{ saction }}, descriptors {{ service_descriptors.services | selectattr('name', 'equalto', appname) | selectattr('service_group', 'in', group_names) }}" 

- name: Extract target service matching name and group
  ansible.builtin.set_fact:
    service: >-
      {{ service_descriptors.services 
         | selectattr('name', 'equalto', appname)
         | selectattr('service_group', 'in', group_names)
         | list | first }}
  when: service_descriptors.services is defined

- name: Validate service exists
  ansible.builtin.fail:
    msg: "Service '{{ appname }}' not found or not part of host's service groups"
  when: service is undefined

- name: Handle library apptype
  ansible.builtin.debug:
    msg: "Skipping '{{ appname }}' - library apptype has no actions"
  when: 
    - service.apptype == 'library'
  changed_when: false

- name: Validate action exists
  ansible.builtin.debug:
    msg: "Action '{{ saction }}' is not defined for service '{{ appname }}'. Please correct the service descriptor!"
  when: 
    - service.apptype != 'library'
    - not saction in service.actions

- name: Debug apptype
  ansible.builtin.debug:
    msg: "APPTYPE: {{ service.apptype }}"

- name: Check process status
  ansible.builtin.shell:
    cmd: "pgrep -of '{{ service.procname }}'"
  register: proc_check
  changed_when: false
  ignore_errors: true
  when: service.apptype != 'library' and 'procname' in service.keys()

- name: debug proc check
  ansible.builtin.debug:
    msg: "proc_check: {{ proc_check }}"
  when: service.apptype != 'spa' and proc_check is defined

- block:
    - block:  # Start action block
        - name: Check if already running (start)
          ansible.builtin.debug:
            msg: "Process '{{ service.procname }}' is already running"
          when: proc_check is defined and ('rc' in proc_check.keys() and proc_check.rc == 0)


        - name: Assure pid file is gone if app is not running anymore
          ansible.builtin.file:
            path: "/opt/mercateo/var/run/{{ service.name }}.pid"
            state: absent
          when: (proc_check is undefined or proc_check.rc != 0)

        - name: Assure log directory for service.log is present
          ansible.builtin.file:
            path: "{{ logdir }}/{{ service.name }}"
            state: directory
            owner: "{{ service.deployment_user }}"
            group: "{{ service.group }}"
            mode: "{{ service.mode }}"

        - name: Intent to restart the service
          ansible.builtin.debug:
            msg: "Action: {{ service.actions.start }} on host {{ short_hostname }}"

        - name: Execute start command
          ansible.builtin.shell: "/usr/bin/nohup {{ service.actions.start }}"
          become_user: "{{ service.deployment_user }}"
          become: yes
          become_flags: '-i'
          register: startoutput
          when: proc_check is defined and proc_check.rc != 0 and saction == 'start' and service.apptype not in ['catalog-server']

        - name: Execute debug command
          ansible.builtin.shell: "/usr/bin/nohup {{ service.actions.debug }}"
          become_user: "{{ service.deployment_user }}"
          become: yes
          become_flags: '-i'
          register: debugoutput
          when: proc_check is defined and proc_check.rc != 0 and saction == 'debug' and service.apptype in ['standalone', 'sub-meerkat']

        - name: Show the start action output
          ansible.builtin.debug:
            msg: |
              TIMEOUT: {{ timeout_seconds }}
              {{ startoutput if saction == 'start' else debugoutput }}

        - name: Wait for service availability
          ansible.builtin.wait_for:
            port: "{{ service.statusport }}"
            timeout: "{{ timeout_seconds | int | default(600) }}"
            state: present
            delay: 1
          when: proc_check.rc != 0  and service.apptype in ['standalone', 'springboot', 'tomcat-instance', 'sub-meerkat'] and service.statusport is defined and service.statusport is not none
      when: saction == 'start' or saction == 'debug' and saction in service.actions.keys() and service.apptype not in ['catalog-server', 'library']

    - block:  # Stop action block
        - name: Check if not running (stop)
          ansible.builtin.debug:
            msg: "Process '{{ service.procname }}' is not running"
          when: proc_check is defined and proc_check.rc != 0

        - name: Debug stop command
          ansible.builtin.debug:
            msg: "Command  '{{ service.actions.stop }}' will be issued to stop the process"

        - name: Execute stop command
          ansible.builtin.shell: "{{ service.actions.stop }}"
          become_user: "{{ service.deployment_user }}"
          become: yes
          become_flags: '-i'
          register: stopoutput
          when: proc_check is defined and proc_check.rc == 0

        - name: Show the stop action output
          ansible.builtin.debug:
            msg: "{{ stopoutput }}, waiting for statusport to be released"
          when: stopoutput is defined

        - name: Wait for service termination (status port based)
          ansible.builtin.wait_for:
            port: "{{ service.statusport }}"
            state: stopped
            delay: 1
            timeout: "{{ timeout_seconds | default(60) }}"
          when: proc_check is defined and proc_check.rc == 0 and service.apptype in ['standalone', 'springboot', 'tomcat-instance', 'sub-meerkat'] and service.statusport is defined and service.statusport is not none

        - name: Wait for service termination (pid based)
          ansible.builtin.wait_for:
            path: "/proc/{{ proc_check.stdout }}"
            state: absent
            timeout: "{{ timeout_seconds }}"
          register: wait_result
          failed_when: false
          when: proc_check is defined and proc_check.rc == 0 and service.apptype in ['standalone', 'springboot', 'tomcat-instance', 'sub-meerkat'] and service.statusport is defined and (service.statusport is undefined or service.statusport is none)
      when: saction == 'stop' and saction in service.actions.keys()

    - block:  # Restart action block (meerkat only)
        - name: Execute restart command
          ansible.builtin.command:
            cmd: "{{ service.actions.restart }}"
          become_user: "{{ service.deployment_user }}"
          become: yes
          become_flags: '-i'
          register: restartoutput

        - name: Show the stop action output
          ansible.builtin.debug:
            msg: "{{ stopoutput }}"
      when: saction == 'restart' and service.apptype == 'meerkat'

    - block:  # Restart action block (non-meerkat)
        - name: Execute stop command for restart
          ansible.builtin.shell: "{{ service.actions.stop }}"
          become_user: "{{ service.deployment_user }}"
          become: yes
          become_flags: '-i'
          register: stopoutput
          when: proc_check is defined and proc_check.rc == 0

        - name: Wait for service termination during restart
          ansible.builtin.wait_for:
            port: "{{ service.statusport }}"
            state: stopped
            delay: 1
            timeout: "{{ timeout_seconds | default(60) }}"
          when: service.apptype in ['standalone', 'springboot', 'tomcat-instance', 'sub-meerkat'] and service.statusport is defined and service.statusport is not none

        - name: Wait for service termination (pid based)
          ansible.builtin.wait_for:
            path: "/proc/{{ proc_check.stdout }}"
            state: absent
            timeout: "{{ timeout_seconds }}"
          register: wait_result
          failed_when: false
          when: proc_check is defined and proc_check.rc == 0 and service.apptype in ['standalone', 'springboot', 'tomcat-instance', 'sub-meerkat'] and service.statusport is defined and (service.statusport is undefined or service.statusport is none)

        - name: Assure pid file is gone before restart
          ansible.builtin.file:
            path: "/opt/mercateo/var/run/{{ service.name }}.pid"
            state: absent
          when: (proc_check is undefined or proc_check.rc != 0)

        - name: Intent to restart the service
          ansible.builtin.debug:
            msg: "Action: {{ service.actions.start }} on host {{ short_hostname }}"

        - name: Execute start command for restart
          ansible.builtin.shell: "/usr/bin/nohup {{ service.actions.start }}"
          become_user: "{{ service.deployment_user }}"
          become: yes
          become_flags: '-i'
          register: startoutput
          when: saction == 'restart'

        - name: Execute debug command for restart
          ansible.builtin.shell: "/usr/bin/nohup {{ service.actions.debug }}"
          become_user: "{{ service.deployment_user }}"
          become: yes
          become_flags: '-i'
          register: startoutput
          when: saction == 'restartdebug'

        - name: Wait for service availability after restart
          ansible.builtin.wait_for:
            port: "{{ service.statusport }}"
            state: started
            delay: 1
            timeout: "{{ timeout_seconds | default(600) }}"
          when: service.apptype in ['standalone', 'springboot', 'tomcat-instance', 'sub-meerkat'] and service.statusport is defined and service.statusport is not none and startoutput is defined
      when: saction in ['restart', 'restartdebug'] and service.apptype not in ['meerkat', 'library', 'spa', 'catalog-server']

    - block:  # Status action block
      - name: Check process status details
        ansible.builtin.debug:
          msg: "Process {{ service.procname }} is {{ 'running' if proc_check.rc == 0 else 'not running' }}"
        when: proc_check is defined and service.procname is defined

      - name: Execute status command
        ansible.builtin.shell: "{{ service.actions.status }}"
        become_user: "{{ service.deployment_user }}"
        become: yes
        become_flags: '-i'
        register: statusoutput

      - name: Show status command output
        ansible.builtin.debug:
          msg: "{{ statusoutput.stdout_lines }}"
        when: statusoutput is defined
      when: saction in service.actions and saction == 'status'
  when:  (saction in service.actions) or (saction in ['restart','restartdebug'] and saction not in service.actions and service.apptype not in ['meerkat', 'library']) and service.apptype not in ['library', 'catalog-server']

- block: # Kill block

  - name: Soft-Kill process with SIGTERM
    shell: "kill -15 {{ proc_check.stdout }}"
    register: kill_result
    failed_when: false

  - name: Wait for process to terminate
    ansible.builtin.wait_for:
      path: "/proc/{{ proc_check.stdout }}"
      state: absent
      timeout: "{{ timeout_seconds }}"
    register: wait_result
    failed_when: false

  - name: Force kill process with SIGKILL
    shell: "kill -9 {{ proc_check.stdout }}"
    when: wait_result is defined and wait_result.failed is defined and wait_result.failed
    changed_when: true
  when: proc_check is defined and ('rc' in proc_check.keys() and proc_check.rc == 0) and ('stdout' in proc_check.keys() and proc_check.stdout != "") and kill_on_host is defined and inventory_hostname == kill_on_host and 'procname' in service.keys()

```

Please be laconic and report with the list of found bugs, inconsistencies and errors.