Add Edison design decision skill

README.md

@@ -488,6 +488,7 @@ Thirty-five curated skill modules included in this repo, with access to **400,00
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 | [Reepl - LinkedIn Content Creation](https://github.com/reepl-io/skills) | `npx skillkit@latest install reepl-io/skills` | 18 tools for LinkedIn content management: drafts, publishing, scheduling, voice profiles, contacts, collections, templates, and AI image generation |
 | [avoid-ai-writing](https://github.com/conorbronsdon/avoid-ai-writing) | `git clone https://github.com/conorbronsdon/avoid-ai-writing ~/.claude/skills/avoid-ai-writing` | AI writing pattern detection and rewriting (21 categories, 43 replacements) |
+| [Edison](https://github.com/kilnside/edison) | `git clone https://github.com/kilnside/edison ~/.claude/skills/edison` | Design decision skill — the phase between brainstorming and building. Research-first progressive deepening with self-executing specs. Three modes: Check, Explore, Audit |
 | [MUSE](https://github.com/myths-labs/muse) | `git clone` + `./scripts/install.sh --tool claude` | Pure-Markdown memory OS with 48 skills, cross-conversation memory, 8 roles with permission isolation. Works with 6 AI coding tools. |
 | [Product Manager Skills](https://github.com/Digidai/product-manager-skills) | `clawhub install product-manager-skills` | Senior PM agent with 6 knowledge domains, 12 templates, and 30+ frameworks covering discovery, strategy, delivery, SaaS metrics, PM career coaching (IC to CPO), and AI product craft |
 | [x-twitter-scraper](https://github.com/Xquik-dev/x-twitter-scraper) | `npx skills add Xquik-dev/x-twitter-scraper` | X API & Twitter scraper skill for AI coding agents -- tweet search, user lookup, follower extraction, engagement metrics, giveaway draws, trending topics, account monitoring, and 19 extraction tools |