v0.2.0 - Enhanced MCP server with structured outputs and resource management 🎯

🎉 New features

1. Structured Output Models: Added comprehensive dataclass models for all MCP tools in slack_mcp/mcp/model/output.py for better type safety and consistency. (PR#276)
2. Emoji Resource: Added slack://emojis resource for workspace emoji list, replacing the deprecated read_slack_emojis tool. (PR#276)
3. Enhanced Metadata: Added comprehensive metadata (title and annotations) for all MCP tools to improve LLM discovery and user experience. (PR#276)
4. Comprehensive Docstrings: Added detailed documentation for all modules, objects, and functions throughout the codebase for better developer experience. (PR#263)

🔄 Changes

1. MCP Export Normalization: Normalized MCP exports to clearly distinguish between tools and resources (no behavior changes). (PR#276)
2. Consolidated Prompts: Merged instruction prompts into tool docstrings for better LLM discovery and reduced complexity. (PR#276)
3. Tool Deprecation: Marked read_slack_emojis tool as deprecated in favor of the new slack://emojis resource. (PR#276)
4. Pydantic Settings Migration: Migrated from direct environment variable access to Pydantic-based settings models for better type safety and configuration management. (PR#281)
5. Dependency Cleanup: Removed python-dotenv dependency and replaced with Pydantic settings for secret management. (PR#281)

🗑️ Removed

1. Prompt Endpoints: Removed explicit @mcp.prompt endpoints (functionality merged into tool descriptions). (PR#276)
2. python-dotenv: Removed dependency in favor of Pydantic settings for environment variable management. (PR#281)

🧑‍💻 Developer

1. Code Owner Updates: Updated code owner settings for document scope management. (PR#290)
2. Enhanced Type Safety: Improved type checking and data validation through Pydantic models. (PR#281)
3. Better Configuration Management: Centralized configuration through Pydantic settings with proper secret handling. (PR#281)

🤖 Upgrade dependencies

1. Major MCP Upgrade: Bumped MCP from 1.10.1 to 1.23.0 with significant protocol improvements. (PR#285)
2. FastAPI Updates: Multiple FastAPI upgrades from 0.121.0 to 0.135.3 for performance and security improvements. ([PRs#270,271,274,258,257,246,241,238,313,339])
3. Pydantic Settings Upgrade: Upgraded from 2.10.1 to 2.13.0 for enhanced settings management. ([PRs#286,303])
4. Slack SDK Updates: Upgraded slack-sdk from 3.37.0 to 3.39.0 for latest API support. ([PRs#243,237])
5. Testing Framework Updates: Upgraded pytest ecosystem (pytest, pytest-cov, pytest-asyncio, pytest-rerunfailures) for better testing capabilities. ([PRs#249,250,248,236])
6. Development Tools: Upgraded mypy, pylint, coverage, and pre-commit for enhanced code quality. ([PRs#254,252,247,267,269,244,291])
7. Documentation Dependencies: Updated TypeScript from 5.9.3 to 6.0.2 in documentation build. (PR#330)
8. Core Python Dependencies: Multiple dependency updates including coverage, ruff, and development tools. ([PRs#291,305,313,339])