Add under-anything knowledge dashboard

Understand-Anything-main/docs/superpowers/specs/2026-03-29-homepage-update-design.md

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+# Homepage Update Design — 2026-03-29
+
+## Goal
+
+Update the Astro homepage (`homepage/`) to reflect features added across v1.2.0, v1.3.0, and v2.0.0 releases. The README and homepage structure/layout stay unchanged.
+
+## Scope
+
+Three areas to update:
+
+### 1. Features Section — Expand from 3 to 6 Cards
+
+Current (3 cards):
+- Interactive Knowledge Graph
+- Plain-English Summaries
+- Guided Tours
+
+Updated (6 cards, 2 rows of 3):
+
+| # | Title | Icon | Description |
+|---|-------|------|-------------|
+| 1 | Interactive Knowledge Graph | `◈` | Visualize files, functions, and dependencies as an explorable graph with hierarchical drill-down and smart layout. |
+| 2 | Beyond Code Analysis | `⬡` | Analyze your entire project — Dockerfiles, Terraform, SQL, Markdown, and 26+ file types mapped into one unified graph. |
+| 3 | Smart Filtering & Search | `⊘` | Filter by node type, complexity, layer, or edge category. Fuzzy and semantic search to find anything instantly. |
+| 4 | Export & Share | `⎙` | Export your knowledge graph as high-quality PNG, SVG, or filtered JSON — ready for docs, presentations, or further analysis. |
+| 5 | Dependency Path Finder | `⟿` | Find the shortest path between any two components. Understand how parts of your system connect at a glance. |
+| 6 | Guided Tours & Onboarding | `⟐` | AI-generated walkthroughs that teach the codebase step by step, plus onboarding guides for new team members. |
+
+### 2. Install Section
+
+Update the note from Claude Code-only to multi-platform:
+- Before: "Works with Claude Code — Anthropic's official CLI for Claude."
+- After: "Works with Claude Code, Codex, OpenCode, Gemini CLI, and more."
+
+### 3. Footer
+
+Update tagline:
+- Before: "Built as a Claude Code plugin"
+- After: "Built for AI coding assistants"
+
+## Files to Modify
+
+- `homepage/src/components/Features.astro` — replace 3 cards with 6
+- `homepage/src/components/Install.astro` — update platform note
+- `homepage/src/components/Footer.astro` — update tagline
+
+## Out of Scope
+
+- README.md updates
+- Showcase section / screenshot
+- Nav component
+- Hero section
+- Layout / global CSS structure changes