feat(plugins): add Design Taste Libraries router

plugins/community/design-taste-libraries/SKILL.md

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+---
+name: design-taste-libraries
+description: 'TRIGGER when: designing, redesigning, critiquing, or prototyping frontend, mobile, dashboard, landing-page, shadcn, or motion-led UI in Open Design. DO NOT TRIGGER when: the user asks for a single fixed brand system, backend-only work, copy-only edits, or production coding without design judgment.'
+version: 0.1.0
+---
+
+# Design Taste Libraries
+
+Use this skill as a source-backed taste router before generating or critiquing UI. It is a library pack, not a visual theme. Do not stack every library. Pick the smallest set that matches the surface.
+
+## First Pass
+
+1. Read the user brief and any attached screenshot, code, brand file, or existing artifact.
+2. Use the **Routing**, **Runtime Source Index**, and **Selection Matrix** in this `SKILL.md` as the authoritative runtime catalog. `references/LIBRARIES.md` is a review and provenance appendix only; do not search `.od-skills`, glob staged copies, or depend on that side file during a run.
+3. Check whether Open Design already has a matching local plugin or design system.
+4. Select one primary library and at most two secondary libraries.
+5. State the selected libraries, the local Open Design plugin ids used, and any external-only gap.
+6. Discard one tempting but wrong library when it would push the design toward generic AI output.
+
+## Routing
+
+- General taste or high-end web visual direction: use `community-hallmark` plus the Anthropic Frontend Design method.
+- Existing React component systems: use `design-system-shadcn` first, then custom code only for gaps.
+- Dense operational interfaces: use `design-system-dashboard` or `example-dashboard`.
+- Mobile app surfaces: use `example-mobile-app`, `example-mobile-onboarding`, and the external mobile/native rules; treat mobile as its own product surface, not a shrunken website.
+- Motion-led or cinematic interaction: use Open Design HyperFrames/video templates first; add GSAP rules only when animation needs timeline-level code.
+- Taste presets such as Minimalist UI, Premium, or Industrial Brutalist UI: use the existing OD design systems/examples as constraints, never as a pile-on.
+- Material 3 or SwiftUI: use `design-system-material` for Material visual grammar; use external platform rules when production native behavior matters.
+
+## Runtime Source Index
+
+Use these canonical sources only when their dimension is needed:
+
+- Visual thesis and expressive web composition: [Anthropic Frontend Design](https://github.com/anthropics/claude-code/blob/main/plugins/frontend-design/skills/frontend-design/SKILL.md).
+- Anti-slop critique and structural variety: local `community-hallmark`, upstream [Hallmark](https://github.com/Nutlope/hallmark).
+- React component composition: local `design-system-shadcn`, upstream [shadcn UI skill](https://github.com/shadcn-ui/ui/blob/main/skills/shadcn/SKILL.md).
+- Dense enterprise and dashboard grammar: local `design-system-dashboard` / `example-dashboard`, upstream [Enterprise Design Skill](https://github.com/bergside/awesome-design-skills/blob/main/skills/enterprise/SKILL.md).
+- Category-first exploration: [UI UX Pro Max](https://github.com/nextlevelbuilder/ui-ux-pro-max-skill).
+- Timeline and scroll choreography: [GSAP Skills](https://github.com/greensock/gsap-skills), after checking local `example-hyperframes`, `example-video-hyperframes`, and `example-motion-frames`.
+- Mobile product grammar: local `example-mobile-app` / `example-mobile-onboarding`, plus [Mobile App UI Design](https://github.com/ceorkm/mobile-app-ui-design) and [Expo Native UI](https://github.com/expo/skills/blob/main/plugins/expo/skills/expo-native-ui/SKILL.md).
+- Native Apple or Material behavior: [SwiftUI Skills](https://github.com/ameyalambat128/swiftui-skills) or [Material 3 Skill](https://github.com/hamen/material-3-skill); prefer local `design-system-material` for Material visual grammar.
+- Taste presets: [Minimalist](https://github.com/Leonxlnx/taste-skill/blob/main/skills/minimalist-skill/SKILL.md), [Industrial Brutalist](https://github.com/Leonxlnx/taste-skill/blob/main/skills/brutalist-skill/SKILL.md), or [Premium Frontend UI](https://github.com/github/awesome-copilot/blob/main/skills/premium-frontend-ui/SKILL.md), never all three.
+
+## Selection Matrix
+
+- Web app: Anthropic Frontend Design + `community-hallmark` + `design-system-shadcn` when React components are needed.
+- Mobile app: Mobile App UI Design + Expo Native UI + the closest local mobile example.
+- Dashboard: Enterprise Design Skill + `design-system-dashboard` or `example-dashboard` + `community-hallmark` for critique.
+- Landing page: Anthropic Frontend Design + one premium or taste preset.
+- Motion prototype: local HyperFrames/motion examples + GSAP only for timeline-level implementation.
+
+## Design Rules
+
+- Commit to a visual thesis before writing files.
+- Bind the design to the subject matter in the first viewport or first app screen.
+- Use real content, real product states, and real constraints where available.
+- Prefer established components and registries before inventing primitives.
+- Prefer existing Open Design plugin ids over new local library plugins when coverage exists.
+- Keep dashboards dense but calm; keep landing pages visual and specific; keep tools ergonomic over decorative.
+- Use motion to explain state, reveal hierarchy, or make a moment memorable. Remove motion that only makes the artifact feel busy.
+- Check mobile thumb zones, safe areas, navigation placement, and content density separately from desktop.
+
+## Output Contract
+
+For a design generation:
+
+1. Selected library set.
+2. Visual thesis.
+3. Surface-specific layout and interaction plan.
+4. Missing source material that would change the result.
+5. Generated artifact.
+6. Self-critique against the chosen libraries.
+
+For a critique:
+
+1. What library standards were applied.
+2. The three highest-impact fixes.
+3. What to delete.
+4. What to keep.
+5. Proof needed: screenshot sizes, interaction path, accessibility/contrast/state checks.
+
+## Hard Rejections
+
+- no generic purple-blue SaaS gradients unless the brand specifically requires them;
+- no decorative card walls for serious tools;
+- no mobile design that is just a compressed desktop layout;
+- no invented brand, product, social, price, metric, or event facts;
+- no animation library recommendation unless the interaction needs a timeline, scroll choreography, gesture choreography, or video-quality motion.

plugins/community/design-taste-libraries/open-design.json

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+{
+  "$schema": "https://open-design.ai/schemas/plugin.v1.json",
+  "specVersion": "1.0.0",
+  "name": "community-design-taste-libraries",
+  "title": "Design Taste Libraries",
+  "version": "0.1.0",
+  "description": "General Open Design skill that routes agents through high-quality design, UI, dashboard, mobile, shadcn, and motion libraries before generating or critiquing frontend work.",
+  "license": "MIT",
+  "author": {
+    "name": "Konstantin Baltsat",
+    "url": "https://github.com/Baltsat"
+  },
+  "homepage": "https://github.com/nexu-io/open-design/tree/main/plugins/community/design-taste-libraries",
+  "tags": [
+    "community",
+    "design",
+    "frontend",
+    "taste",
+    "libraries",
+    "mobile",
+    "dashboard",
+    "shadcn",
+    "motion",
+    "source-backed"
+  ],
+  "compat": {
+    "agentSkills": [
+      {
+        "path": "./SKILL.md"
+      }
+    ]
+  },
+  "od": {
+    "kind": "skill",
+    "taskKind": "new-generation",
+    "mode": "prototype",
+    "platform": "desktop",
+    "scenario": "frontend-design",
+    "useCase": {
+      "query": {
+        "en": "Use Design Taste Libraries for this {{surface}} request: {{brief}}\n\nChoose the smallest source-backed library set, cite the local Open Design plugin ids used, then generate or critique with visual proof gates."
+      }
+    },
+    "context": {
+      "skills": [
+        {
+          "path": "./SKILL.md"
+        }
+      ],
+      "assets": ["./references/LIBRARIES.md"]
+    },
+    "inputs": [
+      {
+        "name": "surface",
+        "label": "Surface",
+        "type": "select",
+        "required": true,
+        "options": ["web app", "mobile app", "dashboard", "landing page", "motion prototype"],
+        "default": "web app"
+      },
+      {
+        "name": "brief",
+        "label": "Brief",
+        "type": "text",
+        "default": "Use the user's current request, attachments, and project context.",
+        "placeholder": "What should the design accomplish?"
+      }
+    ],
+    "capabilities": ["prompt:inject"]
+  },
+  "plugin": {
+    "repo": "https://github.com/nexu-io/open-design/tree/main/plugins/community/design-taste-libraries"
+  }
+}