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SlackServer Implementation Status

Last Updated: 2026-03-26

✅ COMPLETED

Phase 1: Core Architecture

  • Configuration Models - SlackServerConfig, BotDefinition
  • Bot Action Models - All JSON protocol action classes
  • MessageReferenceStore - Store/retrieve message timestamps
  • ActionProcessor - Parse and execute JSON actions
  • BotExecutor - Execute scripts and stream stdout
  • SlackListenerService - Main service with Socket Mode connection
  • Program.cs - Application entry point
  • Build Success - Project compiles without errors

Phase 2: Core Actions (Working)

  • post_message - Post text messages to channels/threads
  • update_message - Update previously posted messages
  • delete_message - Delete messages
  • post_blocks - Post rich Block Kit messages
  • update_blocks - Update messages with new blocks
  • log - Bot logging to SlackServer logs

Documentation ✅ 100% Complete

  • README.md - Complete user guide with @mention setup
  • QUICKSTART.md - 15-minute step-by-step setup guide
  • DESIGN.md - Complete architecture and JSON protocol spec
  • ARCHITECTURE.md - System diagrams and component details
  • STATUS.md - Implementation status (this file)
  • config.example.yaml - Configuration examples
  • Test Bots - PowerShell and C# example bots
  • question-bot.ps1 - @Mention bot example with CLI integration

⚠️ PARTIALLY IMPLEMENTED

Actions (Temporarily Disabled - API Signature Issues)

  • add_reaction - Add emoji reactions (needs SlackNet API research)
  • remove_reaction - Remove emoji reactions (needs SlackNet API research)
  • post_ephemeral - Post private messages (needs SlackNet API research)
  • upload_file - Upload files to Slack (needs SlackNet API research)

Reason: SlackNet 0.17.10 API signatures don't match expected parameters. Need to:

  1. Research correct SlackNet API usage
  2. Or upgrade to newer SlackNet version
  3. Or implement custom Slack API calls

🚧 TODO

Phase 3: Fix Remaining Actions

  • Investigate SlackNet API for reactions
  • Implement add_reaction / remove_reaction
  • Implement post_ephemeral
  • Implement upload_file

Phase 4: Testing

  • Test with real Slack workspace
  • Test all implemented actions
  • Test error handling
  • Test timeouts
  • Test multiple concurrent bots

Phase 5: Polish

  • Fix BotExecutor warning about EndOfStream in async
  • Add retry logic for failed Slack API calls
  • Add rate limiting per bot
  • Add bot execution metrics
  • Add comprehensive logging

Phase 6: Advanced Features

  • Interactive components (buttons, modals)
  • Slash command support
  • Bot state persistence
  • Web dashboard for monitoring
  • Hot-reload configuration

🏗️ Project Structure

SlackServer/
├── Models/
│   ├── BotConfig.cs          ✅ Configuration models
│   └── BotActions.cs          ✅ JSON protocol actions
├── Services/
│   ├── SlackListenerService.cs    ✅ Main Slack service
│   ├── BotExecutor.cs             ✅ Execute bot scripts
│   ├── ActionProcessor.cs         ✅ Process JSON actions
│   └── MessageReferenceStore.cs   ✅ Message reference storage
├── scripts/
│   └── test-bot.ps1          ✅ PowerShell test bot
├── TestBotCli/
│   └── Program.cs             ✅ C# test bot
├── Program.cs                 ✅ Application entry
├── SlackServer.csproj         ✅ Project file
├── config.yaml                ✅ Configuration (gitignored)
├── config.example.yaml        ✅ Config template
├── DESIGN.md                  ✅ Architecture docs
├── README.md                  ✅ User docs
└── STATUS.md                  ✅ This file

📊 Action Support Matrix

Action Status Notes
post_message ✅ Working Full support with threads
update_message ✅ Working Uses message references
delete_message ✅ Working By reference or timestamp
post_blocks ✅ Working Rich Block Kit messages
update_blocks ✅ Working Update with new blocks
add_reaction ⚠️ Disabled API signature TBD
remove_reaction ⚠️ Disabled API signature TBD
post_ephemeral ⚠️ Disabled API signature TBD
upload_file ⚠️ Disabled API signature TBD
log ✅ Working Bot logging to server

🚀 Next Steps

  1. Test Core Functionality

    • Set up Slack app with Socket Mode
    • Configure real tokens in config.yaml
    • Test post_message, update_message, post_blocks
    • Verify bot execution and JSON parsing
  2. Fix Disabled Actions

    • Research SlackNet 0.17.10 documentation
    • Find correct API signatures
    • Implement and test remaining actions
  3. Production Readiness

    • Add error recovery
    • Add rate limiting
    • Add metrics/monitoring
    • Create deployment guide

📝 Notes

  • Build Status: ✅ Compiles successfully
  • Dependencies: .NET 10.0, SlackNet 0.17.10, YamlDotNet 16.3.0
  • Platform: Cross-platform (.NET 10.0)
  • Deployment: Can run as Windows Service or systemd service

🐛 Known Issues

  1. Warning CA2024: EndOfStream usage in async method (non-critical)
  2. Reactions API: SlackNet signature unclear - temporarily disabled
  3. Ephemeral Messages: API signature unclear - temporarily disabled
  4. File Uploads: API signature unclear - temporarily disabled

💡 Implementation Highlights

  • Streaming stdout: Bot actions are processed line-by-line in real-time
  • Message references: Bots can store message IDs and update them later
  • Error resilience: Failed actions are logged but don't crash the bot
  • Environment variables: Rich context passed to bots (user, channel, timestamp)
  • Concurrent execution: Multiple bots can match and execute in parallel
  • Socket Mode: No webhooks needed, works behind firewalls