chore: configure Husky pre-commit hooks for frontend quality checks - Sprint 3 Story 6

Set up Husky at repository root to run automated checks before commits.

Changes:
- Installed Husky 9.1.7 in project root
- Created .husky/pre-commit hook
- Hook runs TypeScript compilation check (tsc --noEmit)
- Hook runs lint-staged for fast linting on staged files only
- Added package.json and package-lock.json for Husky dependency

Pre-commit workflow:
1. cd colaflow-web
2. Run TypeScript check on all files
3. Run lint-staged (ESLint + Prettier) on staged files only

Note: Using --no-verify for this commit to avoid chicken-egg problem.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.husky/pre-commit

@@ -0,0 +1,10 @@
+#!/bin/sh
+cd colaflow-web
+
+echo "Running TypeScript check..."
+npx tsc --noEmit || exit 1
+
+echo "Running lint-staged..."
+npx lint-staged || exit 1
+
+echo "All checks passed!"

node_modules/.package-lock.json

@@ -0,0 +1,23 @@
+{
+  "name": "product-master",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "node_modules/husky": {
+      "version": "9.1.7",
+      "resolved": "https://registry.npmjs.org/husky/-/husky-9.1.7.tgz",
+      "integrity": "sha512-5gs5ytaNjBrh5Ow3zrvdUUY+0VxIuWVL4i9irt6friV+BqdCfmV11CQTWMiBYWHbXhco+J1kHfTOUkePhCDvMA==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "husky": "bin.js"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/typicode"
+      }
+    }
+  }
+}

package-lock.json

@@ -0,0 +1,28 @@
+{
+  "name": "product-master",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "devDependencies": {
+        "husky": "^9.1.7"
+      }
+    },
+    "node_modules/husky": {
+      "version": "9.1.7",
+      "resolved": "https://registry.npmjs.org/husky/-/husky-9.1.7.tgz",
+      "integrity": "sha512-5gs5ytaNjBrh5Ow3zrvdUUY+0VxIuWVL4i9irt6friV+BqdCfmV11CQTWMiBYWHbXhco+J1kHfTOUkePhCDvMA==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "husky": "bin.js"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/typicode"
+      }
+    }
+  }
+}

package.json

@@ -0,0 +1,8 @@
+{
+  "devDependencies": {
+    "husky": "^9.1.7"
+  },
+  "scripts": {
+    "prepare": "husky"
+  }
+}