feat: 按 doc_id 重组 ansible/files 与验证框架

- ansible/files 改为与文档 XX-YY 对齐的目录结构，更新相关 playbook 路径
- 新增 scripts/verify.sh 与 ansible/playbooks/verify/*.yml，移除单体 verify-matrix.yml
- 补充 docs/00-02 矩阵状态、00-05 验证框架与流程、00-04 环境与 ylc65 工作机说明
- 增加 k3s 存储准备、Longhorn、local-path 等 playbook 与辅助脚本

Made-with: Cursor

ansible/playbooks/verify/03-07.yml

@@ -0,0 +1,41 @@
+- import_playbook: "{{ playbook_dir }}/../longhorn-install.yml"
+
+- name: Verify 03-07 Longhorn (namespace pods)
+  hosts: k3s_server
+  become: true
+  run_once: true
+  vars:
+    k3s_kubeconfig: /etc/rancher/k3s/k3s.yaml
+    longhorn_ns: "{{ longhorn_namespace | default('longhorn-system') }}"
+  tasks:
+    - name: Check longhorn pods
+      ansible.builtin.shell: |
+        set -e
+        KUBECONFIG={{ k3s_kubeconfig }} kubectl get pods -n {{ longhorn_ns }} -o wide
+      args:
+        executable: /bin/bash
+      changed_when: false
+
+- name: Teardown 03-07 Longhorn (optional)
+  hosts: k3s_server
+  become: true
+  run_once: true
+  vars:
+    k3s_kubeconfig: /etc/rancher/k3s/k3s.yaml
+    verify_teardown: "{{ (VERIFY_TEARDOWN | default('1')) | string }}"
+    longhorn_ns: "{{ longhorn_namespace | default('longhorn-system') }}"
+  tasks:
+    - name: Uninstall longhorn helm release when VERIFY_TEARDOWN=1
+      when: verify_teardown == "1"
+      ansible.builtin.shell: |
+        set -e
+        export KUBECONFIG={{ k3s_kubeconfig }}
+        if helm -n {{ longhorn_ns }} list 2>/dev/null | grep -q longhorn; then
+          timeout 180s helm -n {{ longhorn_ns }} uninstall longhorn --no-hooks || true
+        fi
+        kubectl delete ns {{ longhorn_ns }} --ignore-not-found=true --wait=false || true
+      args:
+        executable: /bin/bash
+      changed_when: true
+      failed_when: false
+