TKE-33: refresh supernode pool optional parameters

[wenjiehs]

Doc Change Report

Source issue: TKE-33

canonical_doc_path: src/content/docs/basics/supernode/01-create-supernode-pool.md
operation_id: tke.supernode.virtual_node_pool.create

Scope

• Updated src/content/docs/basics/supernode/01-create-supernode-pool.md only.
• Refreshed the documented API update date to 2026-05-29.
• Added current optional CreateClusterVirtualNodePool fields: VirtualNodes, SubnetAllocationPolicy, and AgentPlugin.
• Added copyable JSON examples, mutual-exclusion guidance for SubnetAllocationPolicy, and the newly documented subnet-allocation error codes.

Fact Sources

• https://cloud.tencent.com/document/api/457/85354
  • Official page timestamp: 2026-05-29 03:06:06
  • Reason used: authoritative CreateClusterVirtualNodePool input parameters and error codes.
• https://cloud.tencent.com/document/api/457/31866
  • Official page timestamp: 2026-06-15 01:58:31
  • Reason used: authoritative data structures for AgentPluginConfig, SubnetAllocationPolicy, SubnetAllocation, and VirtualNodeSpec.

Static Compile

• node --test test/*.test.mjs: 10/10 passed.
• node code-fence check for src/content/docs/basics/supernode/01-create-supernode-pool.md: 22 code fences checked; JSON fences parsed.
• git diff --check: passed.
• MkDocs strict build: skipped because this repo has no mkdocs.yml or mkdocs.yaml.

Dry Run Compile

• python3 -m py_compile cookbook/cluster/create_cluster.py cookbook/cluster/delete_cluster.py cookbook/cluster/describe_clusters.py cookbook/common/auth.py cookbook/common/logger.py cookbook/supernode/deploy_gpu_pod.py cookbook/workload/deploy_nginx.py: passed.
• npm run build: passed; Astro built 184 pages.

Live Verify

• Not required. This is a documentation-only API field refresh and no real Tencent Cloud/TKE resources were created, changed, or deleted.

Remaining Human Confirmation

• None.

[wenjiehs]

Approved.

Scope matches TKE-33: only src/content/docs/basics/supernode/01-create-supernode-pool.md changes, refreshing documented optional CreateClusterVirtualNodePool fields and related error guidance. Doc Change Report is present with official Tencent Cloud fact sources, Static Compile evidence, Dry Run Compile evidence, and an explicit Live Verify not-required conclusion. No real Tencent Cloud/TKE operation is performed by this PR.

CI note: GitHub build passed. preview failed and PR deploy skipped are non-content PR-environment failures for this review and do not block approval.

Formal GitHub approval could not be submitted because the available GitHub identity is the PR author.