Connect to Discord, switch to NVIDIA NIM providers

- Enable Discord channel, respond to all messages from allowed users
- Switch all agents to NVIDIA NIM (Kimi K2.5, DeepSeek V3.1)
- Auto-approve all tools for non-interactive Docker deployment
- Fix tool call arguments serialization (dict → JSON string)
- Fix Dockerfile to copy source before uv sync

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

config.yaml

@@ -1,27 +1,25 @@
 llm:
   providers:
-    anthropic:
-      model: claude-sonnet-4-5-20250929
-      max_tokens: 8192
-    deepseek:
-      provider: litellm
-      model: deepseek/deepseek-chat-v3.1
     kimi:
       provider: litellm
-      model: openrouter/moonshotai/kimi-k2.5
+      model: nvidia_nim/moonshotai/kimi-k2.5
+    deepseek:
+      provider: litellm
+      model: nvidia_nim/deepseek-ai/deepseek-v3.1
     minimax:
       provider: litellm
-      model: minimax/MiniMax-M2.1
+      model: nvidia_nim/minimaxai/minimax-m2.1
 
 channels:
   cli:
     enabled: true
     default_agent: coder
   discord:
-    enabled: false
+    enabled: true
     token_env: DISCORD_BOT_TOKEN
     default_agent: coder
-    allowed_users: []
+    allowed_users:
+      - "1367816056244273243"
 
 tools:
   workspace: ./data
@@ -30,10 +28,9 @@ tools:
     - list_dir
     - web_fetch
     - delegate
-  require_approval:
-    - bash
     - write_file
     - edit_file
+    - bash
 
 mcp_servers: {}