0.0.6 - Improved Test Coverage and Code Quality

What's Changed

Test Coverage Improvements

• ChatConfiguration: Increased coverage from 0% to 100% with new test for streamingChatClient bean
• StreamingRequestBuilder: Increased coverage from 32.3% to 90.4% with comprehensive execute() method tests
• ChatCompletionEmitter: Added callback registration tests and static factory method tests
• Total test count increased from 56 to 70 tests

Code Quality Fixes

• Fixed all 19+ SonarQube code quality issues:
  • Removed unused variables and imports
  • Replaced lambdas with method references where appropriate
  • Changed Throwable to Exception in catch blocks
  • Removed Thread.sleep() from concurrent tests
  • Chained assertions for better readability
  • Consolidated duplicate tests properly

New Features

• Prompt History Navigation in demo UI with up/down arrow keys
• StreamingChatClient: New high-level abstraction for SSE streaming with fluent builder API
• Handler-based API with onStart(), onChunk(), and onComplete() callbacks
• Support for both static and dynamic system prompts
• Auto-generated conversation IDs when null/empty/whitespace
• Easy SSE timeout configuration

Architecture Improvements

• Refactored StreamingRequestBuilder.execute() to reduce cognitive complexity with 6 helper methods
• Simplified ChatController from 14 lines to 7 lines using new streaming client
• Removed UncheckedSseEmitter in favor of enhanced ChatCompletionEmitter
• Improved conversation ID validation with idiomatic Java 11+ Optional pattern

Full Changelog

Commits:

• 492246f Add prompt history navigation with up/down arrows in demo UI
• 9d4ab7a Add comprehensive unit tests for ChatCompletionEmitter and remove UncheckedSseEmitter
• dc5f8f3 Add StreamingChatClient wrapper for simplified SSE streaming
• c24b033 Handle empty/whitespace conversation IDs by generating UUIDs
• 2409d39 Refactor conversation ID validation to use ensureConversationId method
• 52ba0fb Improve test coverage and code quality
• 109af3b Add comprehensive tests for ChatCompletionEmitter callbacks
• 37804b1 Fix all SonarQube code quality issues
• 7545786 Fix: Replace fake parameterized test with single test

Full Diff: 0.0.5...0.0.6

0.0.5 - Documentation & Cleanup

Release 0.0.5

Documentation

• Add Conversation History section to README documenting ChatJournalEntryRepository for querying full conversation history
• Document pagination support and available repository methods

Improvements

• Simplify ChatJournalEntryMapper to only handle USER and ASSISTANT messages
• Remove ObjectMapper dependency from mapper (no longer needed without TOOL message serialization)
• Reduce code complexity by removing unused message type handling

Internal

• Improve release command with build verification step and javadoc goal
• Add tag existence check to prevent duplicate releases

0.0.4 - Persistent Chat History

Release 0.0.4

New Features

• Conversation Persistence in Example App: Conversations now persist across page refreshes using localStorage
• Infinite Scroll: Load older messages automatically when scrolling up in the chat UI
• History API Endpoint: New GET /chat/history endpoint for paginated message retrieval
• Scroll-to-Bottom Button: Floating button appears when scrolled up for quick navigation back to latest messages

Improvements

• Repository Layer Refactoring: Separated ChatJournalEntryRepository (general-purpose) from ChatJournalCheckpointRepository (ChatMemory-specific)
• New Components:
  • ChatJournalEntryMapper for bidirectional Message ↔ Entry conversion
  • ChatJournalCheckpointFactory for creating checkpoint summaries
• Simplified Checkpointer: ChatJournalCheckpointer now exposes cleaner requiresCheckpoint() and checkpoint() methods
• Better Exception Handling: Added ConversationLimitExceededException with detailed context
• Naming Clarity: Renamed maxEntries to maxConversationLength
• JDBC Improvements: Added column name constants and extracted mapRow helper methods
• TaskExecutor: Now uses Spring Boot's default TaskExecutor

Testing

• Added comprehensive tests for ChatJournalCheckpointFactory and ChatJournalCheckpointer
• Added tests for history endpoint in ChatController
• Fixed duplicate test implementation

Documentation

• Updated README with complete configuration reference and table documentation

0.0.3

Add syntax highlighting and copy buttons to chat UI

- Replace marked.js with markdown-it for better markdown parsing
- Add highlight.js with GitHub theme for syntax highlighting
- Add Font Awesome for icons
- Add copy buttons to code blocks and blockquotes
- Style blockquotes with GitHub-like appearance (gray background, left border)
- Style code blocks with GitHub-like appearance

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

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

0.0.2

Add validation to JDBC repository, JTokkit calculator, and properties

- JdbcChatJournalEntryRepository: validate conversationId (not null/empty),
  entries not null, and summaryEntry not null in all methods
- JTokkitTokenUsageCalculator: validate encoding and encodingType not null
- ChatJournalProperties: add @Validated with @Positive and @NotNull annotations
- Add hibernate-validator test dependency for Bean Validation support

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

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

0.0.1

Fixing warning message during build.