Files
pnoker 261af5721c docs(site): consolidate top-level nav pillars and rehome technology-stack
This consolidates the docs site nav into 5 pillars and aligns the
technology-stack page URL with its new home inside the develop pillar.

Pillar restructure (docs/.vitepress/config.mts + locales):
  * architecture absorbs the previous Overview pillar — its pages now
    live under a '项目总览' group, with the existing architecture
    detail groups following.
  * AI is extracted out of Develop into a top-level pillar between
    Drivers and Foundations. The previously orphaned
    ai/spring-ai-deep-dive page is now reachable from the sidebar.
  * Operations is merged into Develop. The Develop sidebar runs 6
    groups ordered by reader workflow:
    快速开始 → 部署与运维 → 开发 → 前端 → 自动化 → 运营.

File move:
  * introduction/technology-stack.md -> development/technology-stack.md
    (zh + en) so the page URL matches its sidebar home.

The zh / en locale files keep identical key sets (141 keys, no diff).
2026-07-20 22:31:28 +08:00
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