chore: remove old agent schema tests and fix CI

Agent YAML files no longer exist after skill conversion.
Remove test/ directory, schema validation scripts, and
CI validate job. Add package-lock.json for CI cache support.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: bmadcode

.github/workflows/quality.yaml

@@ -4,10 +4,6 @@ name: Quality & Validation
 # - Prettier (formatting)
 # - ESLint (linting)
 # - markdownlint (markdown quality)
-# - Schema validation (YAML structure)
-# - Agent schema tests (fixture-based validation)
-# - Installation component tests (compilation)
-# - Bundle validation (web bundle integrity)
 
 "on":
   pull_request:
@@ -68,27 +64,3 @@ jobs:
 
       - name: markdownlint
         run: npm run lint:md
-
-  validate:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup Node
-        uses: actions/setup-node@v4
-        with:
-          node-version-file: ".nvmrc"
-          cache: "npm"
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Validate YAML schemas
-        run: npm run validate:schemas
-
-      - name: Run agent schema validation tests
-        run: npm run test:schemas
-
-      - name: Test agent compilation components
-        run: npm run test:install

.gitignore

@@ -4,7 +4,6 @@ pnpm-lock.yaml
 bun.lock
 deno.lock
 pnpm-workspace.yaml
-package-lock.json
 
 test-output/*
 coverage/