…ht (#176)

* wip

* feat(website): build landing page sections and migrate docs content

Landing page:
- Add Features.astro (6 feature cards, responsive 3×2 grid, hover animation)
- Add QuickStart.astro (3-step install/configure/run with code blocks)
- Add Philosophy.astro (born-in-group-chats storytelling, pull quote, highlights)
- Add Footer.astro (brand, nav links, copyright, built-with)
- Wire all new sections into pages/index.astro and pages/zh-cn/index.astro
- Extend landing-page.ts with full EN and zh-cn i18n copy for all sections
- Add section divider rule to global.css

Docs migration (from docs/ source of truth):
- Migrate docs/architecture.md → concepts/architecture.mdx (EN + zh-cn)
- Migrate docs/channels/{index,cli,telegram}.md → guides/{channels,cli,telegram}.mdx
- Migrate docs/skills.md → guides/skills.mdx
- Migrate docs/deployment.md → guides/deployment.mdx
- Split docs/extension-guide.md → extending/{plugins,hooks}.mdx
- Migrate blog posts → blog/{socialized-evaluation,bootstrap-milestone}.mdx
- Create reference/index.mdx placeholder (EN + zh-cn)
- Remove orphaned en/docs/index.mdx and zh-cn/docs/index.mdx
- Switch astro.config.mjs sidebar to autogenerate per directory

Build: 37 static pages, zero errors

Closes #3, #4, #5, #6, #7, #8, #9, #10, #11, #12

Co-authored-by: Copilot <[email protected]>

* refactor(website): brand-new design with shadcn create

* wip

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* feat: make all landing page components mobile-responsive

- Features: hide center logo on <lg, 1col mobile/2col sm/3col lg grid,
  responsive padding and min-height
- NavBar: icons + borders in mobile dropdown, slide-down animation
- Hero: full-width CTA buttons on mobile, overflow-x-auto on terminal
- HookIntro: hide hook-note text on <md, overflow-hidden on stage container
- TapeModel: hide time column on <sm, responsive cell padding, scroll
  fade indicator
- Testimonials: responsive height (320/380/440px)
- Footer: vertical stack on mobile, centered, flex-wrap links
- Contributors: show 5 avatars on mobile (10 on md+), smaller avatar size

Co-authored-by: Copilot <[email protected]>

* wip

* wip

* wip

* refactor(website/i18n): Optimize i18n configuration and route path

* feat(website): Set real repository data and enable SSR mode

* style(website/hook): Redesign the hook intro illustration and animation

* refactor(website/tape): Redesign tape section illustration and animation

* improve(website): Optimize website UI/UX

- Unified the theme between main site and docs
- Unified the theme storage key
- fix the i18n route path issue

Co-authored-by: Copilot <[email protected]>

* wip

* wip

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* feat(website/i18n): Optimize chinese translation content

* og and userwall avatar

* feat(website): switch OG fonts to fontsource, add zh-cn index card

- Replace Google Fonts API with @fontsource/outfit and
  @fontsource/noto-sans-sc (.woff files read directly by satori)
- Use unicode-range subset matching to load only needed CJK subsets
- Give each CJK subset a unique font name to work around satori's
  deduplication of same-name+weight entries
- Add /og/zh-cn/index.png OG card with Chinese site description
- Wire locale-specific ogImage through LandingLayout → BaseLayout
- Remove wawoff2 dependency (satori supports WOFF natively)

Co-authored-by: Copilot <[email protected]>

* extract site url environment variable

* optimize og and html background

* fix the navbar issue

* remove duplicated title

* fix x icon and ui i18n issue

* chore: switch website adapter to cloudflare

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Co-authored-by: Copilot <[email protected]>
Co-authored-by: Chojan Shang <[email protected]>