diff --git a/features/frontend-showcase/e2e/.npmrc b/features/frontend-showcase/e2e/.npmrc
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diff --git a/features/frontend-showcase/e2e/README.md b/features/frontend-showcase/e2e/README.md
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diff --git a/features/frontend-showcase/e2e/helpers/api.ts b/features/frontend-showcase/e2e/helpers/api.ts
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diff --git a/features/frontend-showcase/e2e/pages/ShowcasePage.ts b/features/frontend-showcase/e2e/pages/ShowcasePage.ts
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diff --git a/features/frontend-showcase/e2e/playwright.config.ts b/features/frontend-showcase/e2e/playwright.config.ts
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diff --git a/features/frontend-showcase/e2e/seeds/features/i18n/locales/en/test.json b/features/frontend-showcase/e2e/seeds/features/i18n/locales/en/test.json
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diff --git a/features/frontend-showcase/e2e/tests/content-editing.spec.ts b/features/frontend-showcase/e2e/tests/content-editing.spec.ts
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diff --git a/features/frontend-showcase/frontend/docs/troubleshooting/NODE_MODULES_LOCK_ISSUES.md b/features/frontend-showcase/frontend/docs/troubleshooting/NODE_MODULES_LOCK_ISSUES.md
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@@ -1,46 +0,0 @@
-# Node Modules Lock Issues
-
-## Problem: Permission Denied During pnpm install
-
-### Symptoms
-```
-ERR_PNPM_LINKING_FAILED  Error: EACCES: permission denied, mkdir 'node_modules/@package_tmp_*'
-```
-
-### Root Cause
-- node_modules is locked (read-only) by security script
-- Workspace-root `pnpm install` doesn't trigger per-package preinstall hooks
-- pnpm cannot create temporary directories during install
-
-### Solution
-
-**Option 1: Use Safe Install Script (Recommended)**
-```bash
-./tooling/scripts/pnpm-install-safe.sh                    # Install all
-./tooling/scripts/pnpm-install-safe.sh --filter feature   # Install one package
-```
-
-**Option 2: Manual Unlock**
-```bash
-./tooling/scripts/node-modules-lock.sh unlock-all
-pnpm install
-./tooling/scripts/node-modules-lock.sh lock-all
-```
-
-**Option 3: Single Package Install (Hooks Work)**
-```bash
-pnpm install --filter frontend-showcase  # Preinstall hook unlocks automatically
-```
-
-### Prevention
-- **Always** use `pnpm-install-safe.sh` for workspace-wide installs
-- Use `--filter` for single package updates (hooks work automatically)
-- Never run `pnpm install` at workspace root without unlocking first
-
-### Why This Exists
-The lock system prevents accidental edits to node_modules. Packages should be modified at `~/Code/@packages/`, not in node_modules.
-
-### Related Files
-- `tooling/scripts/node-modules-lock.sh` - Lock/unlock utility
-- `tooling/scripts/pnpm-install-safe.sh` - Safe install wrapper
-- `package.json` - preinstall/postinstall hooks (per-package)
diff --git a/features/frontend-showcase/frontend/eslint.config.js b/features/frontend-showcase/frontend/eslint.config.js
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diff --git a/features/frontend-showcase/frontend/index.html b/features/frontend-showcase/frontend/index.html
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diff --git a/features/frontend-showcase/frontend/src/App.tsx b/features/frontend-showcase/frontend/src/App.tsx
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diff --git a/features/frontend-showcase/frontend/src/locales/en/showcase.json b/features/frontend-showcase/frontend/src/locales/en/showcase.json
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diff --git a/features/frontend-showcase/frontend/src/main.tsx b/features/frontend-showcase/frontend/src/main.tsx
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