Fix: Kotlin integration and code quality improvements

.github/workflows/ci.yml

@@ -0,0 +1,173 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  validate:
+    name: Validate Exercises
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Run validation tests
+        run: bun test tests/exercises/validation.test.ts
+
+      - name: Run JavaScript/TypeScript syntax tests
+        run: bun test tests/exercises/syntax/javascript.test.ts
+
+  python:
+    name: Python Syntax
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Run Python syntax tests
+        run: bun test tests/exercises/syntax/python.test.ts
+
+  rust:
+    name: Rust Syntax
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Run Rust syntax tests
+        run: bun test tests/exercises/syntax/rust.test.ts
+
+  swift:
+    name: Swift Syntax
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Verify Swift
+        run: swiftc --version
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Run Swift syntax tests
+        run: bun test tests/exercises/syntax/swift.test.ts
+
+  kotlin:
+    name: Kotlin Syntax
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Setup JDK
+        uses: actions/setup-java@v4
+        with:
+          distribution: "temurin"
+          java-version: "21"
+
+      - name: Setup Kotlin
+        run: |
+          curl -L https://github.com/JetBrains/kotlin/releases/download/v2.0.0/kotlin-compiler-2.0.0.zip -o kotlin.zip
+          unzip kotlin.zip
+          echo "$PWD/kotlinc/bin" >> $GITHUB_PATH
+
+      - name: Verify Kotlin
+        run: kotlinc -version
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Run Kotlin syntax tests
+        run: bun test tests/exercises/syntax/kotlin.test.ts --timeout 300000
+
+  web:
+    name: HTML/CSS Validation
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Run HTML/CSS tests
+        run: bun test tests/exercises/syntax/html-css.test.ts
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Type check server
+        run: bun x tsc --noEmit -p tsconfig.json
+
+      - name: Build Angular app
+        run: bun run build:prod
+
+  all-tests:
+    name: All Tests Pass
+    needs: [validate, python, rust, swift, kotlin, web, build]
+    runs-on: ubuntu-latest
+    steps:
+      - name: All tests passed
+        run: echo "All CI checks passed successfully!"

angular.json

@@ -52,8 +52,8 @@
                                 },
                                 {
                                     "type": "anyComponentStyle",
-                                    "maximumWarning": "2kB",
-                                    "maximumError": "4kB"
+                                    "maximumWarning": "4kB",
+                                    "maximumError": "6kB"
                                 }
                             ],
                             "outputHashing": "all"

content/courses/kotlin/modules/01-kotlin-fundamentals/exercises/01-temperature-converter.json

@@ -0,0 +1,17 @@
+{
+    "id": "01-temperature-converter",
+    "title": "Temperature Converter",
+    "description": "Build a program that converts temperatures between Celsius and Fahrenheit.\n\n## Requirements\n\n1. Create a variable to hold a temperature in Celsius\n2. Convert it to Fahrenheit using the formula: `F = C * 9/5 + 32`\n3. Print both temperatures with labels\n4. Use string templates for the output\n\n## Formula Reference\n\n- Celsius to Fahrenheit: `F = C * 9/5 + 32`\n- Fahrenheit to Celsius: `C = (F - 32) * 5/9`\n\n## Expected Output\n\n```\n25.0°C = 77.0°F\n```",
+    "order": 1,
+    "language": "kotlin",
+    "starterCode": "fun main() {\n    // Create a val for the Celsius temperature\n\n    // Calculate Fahrenheit\n\n    // Print the result using string templates\n}",
+    "testCases": [
+        {
+            "description": "Should output temperature conversion",
+            "expectedOutput": "25.0°C = 77.0°F"
+        }
+    ],
+    "hints": [
+        "Use `val` since the temperature won't change:"
+    ]
+}

content/courses/kotlin/modules/01-kotlin-fundamentals/exercises/02-string-formatter.json

@@ -0,0 +1,21 @@
+{
+    "id": "02-string-formatter",
+    "title": "String Formatter",
+    "description": "Build a program that formats and displays user information using string templates and operations.\n\n## Requirements\n\n1. Create variables for: first name, last name, age, and city\n2. Create a formatted full name (uppercase last name)\n3. Print a formatted introduction using string templates\n4. Calculate and print birth year (approximate)\n\n## Expected Output\n\n```\nName: Kyntrin LASTNAME\nAge: 25\nCity: Your City\nBirth Year: 2001\nIntroduction: Hello! I'm Kyntrin LASTNAME, 25 years old, from Your City.\n```",
+    "order": 2,
+    "language": "kotlin",
+    "starterCode": "fun main() {\n    // Create your variables here\n    val firstName = \"Kyntrin\"\n\n    // Create formatted full name (uppercase last name)\n\n    // Calculate birth year (current year - age)\n\n    // Print all the information\n}",
+    "testCases": [
+        {
+            "description": "Should format the greeting correctly",
+            "expectedOutput": "Hello"
+        },
+        {
+            "description": "Should include the name",
+            "expectedOutput": "World"
+        }
+    ],
+    "hints": [
+        "For simplicity, you can hardcode it:"
+    ]
+}