improve: update skill categories and titles (#168)

- Rename category Architecture → Core (Motoko, Multi-Canister, Stable Memory)
- Move icrc-ledger and wallet-integration from Tokens/Wallet → DeFi
  (removes Tokens and Wallet as standalone categories)
- ckBTC Integration → ckBTC (chain-key Bitcoin)
- ICRC Ledger Standard → ICRC Token Ledgers
- EVM RPC Integration → EVM RPC
- Internet Identity Auth → Internet Identity
- Asset Canister & Frontend → Asset Canister (title + H1)
- Update Icons.tsx: Architecture → Core, remove Tokens/Wallet cases
- Update KNOWN_CATEGORIES in check-project.js
- Update category lists in CLAUDE.md, CONTRIBUTING.md, skill.schema.json

Author: marc0olo

.claude/CLAUDE.md

@@ -78,7 +78,7 @@ Results are saved to `evaluations/results/` (gitignored). See `evaluations/icp-c
 
 ## Categories
 
-Known categories: DeFi, Tokens, Auth, Architecture, Integration, Governance, Frontend, Security, Infrastructure, Wallet. New categories are allowed — the validator warns but does not block.
+Known categories: Auth, Core, DeFi, Frontend, Governance, Infrastructure, Integration, Security. New categories are allowed — the validator warns but does not block.
 
 ## Tech Stack
 

CONTRIBUTING.md

@@ -241,6 +241,6 @@ The website auto-generates from SKILL.md frontmatter — no need to edit any sou
 
 Use an existing category when possible. The validator warns on unknown categories to catch typos, but new categories are not blocked.
 
-Current categories: **DeFi**, **Tokens**, **Auth**, **Architecture**, **Integration**, **Governance**, **Frontend**, **Security**, **Infrastructure**, **Wallet**
+Current categories: **Auth**, **Core**, **DeFi**, **Frontend**, **Governance**, **Infrastructure**, **Integration**, **Security**
 
 To add a new category: update the enum in `skills/skill.schema.json` and the icon in `src/components/Icons.tsx`.

scripts/check-project.js

@@ -9,16 +9,14 @@ import { join } from "path";
 import { listSkillDirs, readSkill, SKILLS_DIR } from "./lib/parse-skill.js";
 
 const KNOWN_CATEGORIES = [
-  "DeFi",
-  "Tokens",
   "Auth",
-  "Architecture",
-  "Integration",
-  "Governance",
+  "Core",
+  "DeFi",
   "Frontend",
-  "Security",
+  "Governance",
   "Infrastructure",
-  "Wallet",
+  "Integration",
+  "Security",
 ];
 
 const evalsDir = join(SKILLS_DIR, "..", "evaluations");

skills/asset-canister/SKILL.md

@@ -4,11 +4,11 @@ description: "Deploy frontend assets to the IC. Covers certified assets, SPA rou
 license: Apache-2.0
 compatibility: "icp-cli >= 0.2.2, Node.js >= 22"
 metadata:
-  title: "Asset Canister & Frontend"
+  title: Asset Canister
   category: Frontend
 ---
 
-# Asset Canister & Frontend Hosting
+# Asset Canister
 
 ## What This Is
 

skills/ckbtc/SKILL.md

@@ -4,7 +4,7 @@ description: "Accept, send, and manage ckBTC (chain-key Bitcoin). Covers BTC dep
 license: Apache-2.0
 compatibility: "icp-cli >= 0.2.2"
 metadata:
-  title: ckBTC Integration
+  title: ckBTC (chain-key Bitcoin)
   category: DeFi
 ---
 

skills/evm-rpc/SKILL.md

@@ -4,7 +4,7 @@ description: "Call Ethereum and EVM chains from IC canisters (Rust) via the EVM
 license: Apache-2.0
 compatibility: "icp-cli >= 0.2.2"
 metadata:
-  title: EVM RPC Integration
+  title: EVM RPC
   category: Integration
 ---
 

skills/icrc-ledger/SKILL.md

@@ -4,8 +4,8 @@ description: "Deploy and interact with ICRC-1/ICRC-2 token ledgers (ICP, ckBTC,
 license: Apache-2.0
 compatibility: "icp-cli >= 0.2.2"
 metadata:
-  title: ICRC Ledger Standard
-  category: Tokens
+  title: ICRC Token Ledgers
+  category: DeFi
 ---
 
 # ICRC Ledger Standards

skills/internet-identity/SKILL.md

@@ -4,7 +4,7 @@ description: "Integrate Internet Identity authentication. Covers passkey and Ope
 license: Apache-2.0
 compatibility: "icp-cli >= 0.2.2, Node.js >= 22"
 metadata:
-  title: Internet Identity Auth
+  title: Internet Identity
   category: Auth
 ---
 

skills/motoko/SKILL.md

@@ -5,7 +5,7 @@ license: Apache-2.0
 compatibility: "moc >= 1.0.0, mops with core >= 2.0.0"
 metadata:
   title: Motoko Language
-  category: Architecture
+  category: Core
 ---
 
 # Motoko Language

skills/multi-canister/SKILL.md

@@ -5,7 +5,7 @@ license: Apache-2.0
 compatibility: "icp-cli >= 0.2.2"
 metadata:
   title: Multi-Canister Architecture
-  category: Architecture
+  category: Core
 ---
 
 # Multi-Canister Architecture