feat: support LaTeX (#9)

Author: zhu-xiaowei

.github/workflows/release.yml

@@ -0,0 +1,56 @@
+name: Release Next Version
+on:
+  workflow_dispatch:
+    inputs:
+      release_tag:
+        description: 'Release Version'
+        required: true
+        type: string
+      release_code:
+        description: 'Release Version Code'
+        required: true
+        type: string
+env:
+  NEW_VERSION: ${{ github.event.inputs.release_tag }}
+  NEW_VERSION_CODE: ${{ github.event.inputs.release_code }}
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: main
+          fetch-depth: 0
+          token: ${{ secrets.PROJECT_TOKEN }}
+      - uses: actions/setup-java@v4
+        with:
+          distribution: 'corretto'
+          java-version: '17'
+      - name: Modify for next release
+        run: |
+          cd react-native
+          chmod +x release.sh
+          ./release.sh ${{ env.NEW_VERSION }} ${{ env.NEW_VERSION_CODE }}
+          npm i
+          cd ..
+          git diff
+          git add .
+          git config user.name '${{ vars.USER_NAME }}'
+          git config user.email '${{ vars.USER_EMAIL }}'
+          git commit -m 'release: SwiftChat v${{ env.NEW_VERSION }}'
+          git push
+          git tag ${{ env.NEW_VERSION }}
+          git push origin ${{ env.NEW_VERSION }}
+      - name: Prepare release file
+        run: |
+          cd react-native/android
+          ./gradlew assembleRelease
+      - name: Create GitHub release
+        uses: softprops/action-gh-release@v2
+        with:
+          name: "SwiftChat v${{ env.NEW_VERSION }}"
+          files: |
+            react-native/android/app/build/outputs/apk/release/*.apk
+          tag_name: "${{ env.NEW_VERSION }}"
+          prerelease: true
+          generate_release_notes: true

README.md

@@ -12,6 +12,7 @@ macOS platforms.
 **Key Features:**
 
 - Real-time streaming chat with AI
+- Rich Markdown Support: Tables, Code Blocks, LaTeX and More
 - AI image generation with progress
 - Multimodal support (images, videos & documents)
 - Conversation history list view and management
@@ -28,6 +29,14 @@ macOS platforms.
 - Upload large videos (1080p/4K) beyond 8MB with auto compression
 - Support using natural language to make Nova Canvas generate images, remove backgrounds, replace backgrounds, and
   create images in similar styles.
+- Support LaTeX formula rendering for Amazon Nova.
+
+The image below demonstrates SwiftChat rich markdown content support. We redesigned the UI with optimized font sizes and
+line spacing for a more elegant and clean presentation.
+
+![](assets/markdown.png)
+
+All of these features are seamlessly displayed across all supported platforms with native UI.
 
 ## Architecture
 
@@ -47,11 +56,12 @@ this [example](https://github.com/awslabs/aws-lambda-web-adapter/tree/main/examp
 
 Ensure you have access to Amazon Bedrock foundation models. SwiftChat default settings are:
 
-* Region: `us-west-2`
-* Text Model: `Claude 3.5 Sonnet`
-* Image Model: `Stable Image Core 1.0`
+- Region: `us-west-2`
+- Text Model: `Amazon Nova Pro`
+- Image Model: `Stable Image Core 1.0`
 
-Follow the [Amazon Bedrock User Guide](https://docs.aws.amazon.com/bedrock/latest/userguide/model-access-modify.html) to
+If you are using the image generation feature, please make sure you have enabled access to the `Amazon Nova Lite` model.
+Please follow the [Amazon Bedrock User Guide](https://docs.aws.amazon.com/bedrock/latest/userguide/model-access-modify.html) to
 enable your models.
 
 ### Step 1: Set up your API Key
@@ -61,29 +71,30 @@ enable your models.
 2. Check whether you are in the [supported region](#supported-region), then click on the **Create parameter** button.
 3. Fill in the parameters below, leaving other options as default:
 
-    * **Name**: Enter a parameter name (e.g., "SwiftChatAPIKey", will be used as `ApiKeyParam` in Step 2).
+   - **Name**: Enter a parameter name (e.g., "SwiftChatAPIKey", will be used as `ApiKeyParam` in Step 2).
 
-    * **Type**: Select `SecureString`
+   - **Type**: Select `SecureString`
 
-    * **Value**: Enter any string without spaces.(this will be your `API Key` in Step 3)
+   - **Value**: Enter any string without spaces.(this will be your `API Key` in Step 3)
 
 4. Click **Create parameter**.
 
 ### Step 2: Deploy stack and get your API URL
 
 1. Click one of the following buttons to launch the CloudFormation Stack in the same region where your API Key was
    created.
-    - **App Runner**
 
-      [![Launch Stack](assets/launch-stack.png)](https://console.aws.amazon.com/cloudformation/home#/stacks/create/template?stackName=SwiftChatAPI&templateURL=https://aws-gcr-solutions.s3.amazonaws.com/swift-chat/latest/SwiftChatAppRunner.template)
+   - **App Runner**
+
+     [![Launch Stack](assets/launch-stack.png)](https://console.aws.amazon.com/cloudformation/home#/stacks/create/template?stackName=SwiftChatAPI&templateURL=https://aws-gcr-solutions.s3.amazonaws.com/swift-chat/latest/SwiftChatAppRunner.template)
 
-    - **Lambda** (Note: For AWS customer use only)
+   - **Lambda** (Note: For AWS customer use only)
 
-      [![Launch Stack](assets/launch-stack.png)](https://console.aws.amazon.com/cloudformation/home#/stacks/create/template?stackName=SwiftChatLambda&templateURL=https://aws-gcr-solutions.s3.amazonaws.com/swift-chat/latest/SwiftChatLambda.template)
+     [![Launch Stack](assets/launch-stack.png)](https://console.aws.amazon.com/cloudformation/home#/stacks/create/template?stackName=SwiftChatLambda&templateURL=https://aws-gcr-solutions.s3.amazonaws.com/swift-chat/latest/SwiftChatLambda.template)
 
 2. Click **Next**, On the "Specify stack details" page, provide the following information:
-    - Fill the `ApiKeyParam` with the parameter name you used for storing the API key (e.g., "SwiftChatAPIKey").
-    - For App Runner, choose an `InstanceTypeParam` based on your needs.
+   - Fill the `ApiKeyParam` with the parameter name you used for storing the API key (e.g., "SwiftChatAPIKey").
+   - For App Runner, choose an `InstanceTypeParam` based on your needs.
 3. Click **Next**, Keep the "Configure stack options" page as default, Read the Capabilities and Check the "I
    acknowledge that AWS CloudFormation might create IAM resources" checkbox at the bottom.
 4. Click **Next**, In the "Review and create" Review your configuration and click **Submit**.
@@ -94,9 +105,10 @@ can find the **API URL** which looks like: `https://xxx.xxx.awsapprunner.com` or
 ### Step 3: Download the app and setup with API URL and API Key
 
 1. Download the App
-    - Android App click to [Download](https://github.com/aws-samples/swift-chat/releases/download/1.7.0/SwiftChat.apk)
-    - macOS App click to [Download](https://github.com/aws-samples/swift-chat/releases/download/1.7.0/SwiftChat.dmg)
-    - iOS (Currently we do not provide the iOS version, you can build it locally with Xcode)
+
+   - Android App click to [Download](https://github.com/aws-samples/swift-chat/releases/download/1.7.0/SwiftChat.apk)
+   - macOS App click to [Download](https://github.com/aws-samples/swift-chat/releases/download/1.7.0/SwiftChat.dmg)
+   - iOS (Currently we do not provide the iOS version, you can build it locally with Xcode)
 
 2. Launch the App, open the drawer menu, and tap **Settings**.
 3. Paste the `API URL` and `API Key` then select the Region.
@@ -120,27 +132,30 @@ Congratulations 🎉 Your SwiftChat App is ready to use!
 
 ## Detailed Features
 
+We feature streamlined chat History, Settings pages, and intuitive Usage statistics:
+
+![](assets/history_settings.png)
+
 ### Message Handling
 
 - [x] Text copy support:
-    * Copy button in message header
-    * Copy button in code blocks
-    * Direct Select and copy code on macOS (double click or long click on iOS)
-    * Long press text to copy entire sentence (Right-click on macOS)
+  - Copy button in message header
+  - Copy button in code blocks
+  - Direct Select and copy code on macOS (double click or long click on iOS)
+  - Long press text to copy entire sentence (Right-click on macOS)
 - [x] Text selection mode by tapping message title or double-clicking text
 - [x] Message timeline view in history
 - [x] Delete messages through long press in history
 - [x] Click to preview for uploaded documents and images
 - [x] Support Markdown format for both questions and answers
-- [x] Support table display and code syntax highlighting
 - [x] Maximum 20 images and 5 documents per conversation
 
 ### Image Features
 
-- [x] Support image generation with Chinese prompts(Make sure `Claude 3 Haiku` is enabled in your selected region)
+- [x] Support image generation with Chinese prompts(Make sure `Amazon Nova Lite` is enabled in your selected region)
 - [x] View and zoom generated images
 - [x] Long press images to save or share
-- [x] Automatic image compression to optimize token usage
+- [x] Automatic image compression to improve response speed
 
 ### User Experience
 
@@ -152,6 +167,12 @@ Congratulations 🎉 Your SwiftChat App is ready to use!
 - [x] Check detailed token usage and image generation count in Settings
 - [x] In-app upgrade notifications (Android & macOS)
 
+We have optimized the layout for landscape mode. As shown below, you can comfortably view table and code contents in 
+landscape orientation.
+
+![](assets/landscape.png)
+![](assets/landscape_code.png)
+
 ## What Makes SwiftChat Really "Swift"?
 
 🚀 **Fast Launch Speed**
@@ -193,7 +214,7 @@ following command to download dependencies.
 
 ```bash
 cd react-native && npm i
-``` 
+```
 
 ### Build for Android
 
@@ -215,83 +236,7 @@ npm start && npm run ios
 
 ## API Reference
 
-### API Schema
-
-First, please configure you `API URL` and `API Key` like:
-
-```bash
-export API_URL=<API URL>
-export API_KEY=<API Key>
-```
-
-1. `/api/converse`
-   ```bash
-   curl -N "${API_URL}/api/converse" \
-   --header 'Content-Type: application/json' \
-   --header "Authorization: Bearer ${API_KEY}" \
-   --data '{
-     "messages": [
-       {
-         "role": "user",
-         "content": [
-           {
-             "text": "Hi"
-           }
-         ]
-       }
-     ],
-     "modelId": "anthropic.claude-3-5-sonnet-20240620-v1:0",
-     "region": "us-west-2"
-   }'
-   ```
-   This API is used to implement streaming conversations, and it only returns the text and token usage for display.
-
-   The `messages` under body fully complies with the messages structure specification in Amazon
-   Bedrock [converse stream](https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/bedrock-runtime/client/converse_stream.html)
-   API. You can also add `image` or `document` according to the specification to support multimodal conversations.
-
-2. `/api/image`
-   ```bash
-   curl "${API_URL}/api/image" \
-   --header 'Content-Type: application/json' \
-   --header "Authorization: Bearer ${API_KEY}" \
-   --data '{
-     "prompt": "Beautiful countryside",
-     "modelId": "stability.stable-image-core-v1:0",
-     "region": "us-west-2",
-     "width": "1024",
-     "height": "1024"
-   }'
-   ```
-   This API is used to generate images and returns a base64 encoded string of the image.
-
-3. `/api/models`
-   ```bash
-   curl "${API_URL}/api/models" \
-   --header 'Content-Type: application/json' \
-   --header 'accept: application/json' \
-   --header "Authorization: Bearer ${API_KEY}" \
-   --data '{
-     "region": "us-west-2"
-   }'
-   ```
-   This API is used to get a list of all streaming-supported text models and image generation models in the specified
-   region.
-
-4. `/api/upgrade`
-   ```bash
-   curl "${API_URL}/api/upgrade" \
-   --header 'Content-Type: application/json' \
-   --header 'accept: application/json' \
-   --header "Authorization: Bearer ${API_KEY}"
-   ```
-   This API is used to get the new version of SwiftChat for Android and macOS App updates.
-
-### API Code Reference
-
-- Client code: [bedrock-api.ts](/react-native/src/api/bedrock-api.ts)
-
-- Server code: [main.py](server/src/main.py)
+Please refer [API Reference](server/README.md)
 
 ## How to upgrade?
 
@@ -319,4 +264,3 @@ See [CONTRIBUTING](CONTRIBUTING.md#security-issue-notifications) for more inform
 ## License
 
 This library is licensed under the MIT-0 License. See the [LICENSE](LICENSE) file.
-