Refactor MCP server structure and add AI commit tool

- Restructure src/ into package src/crazy_mcp with modular tools
- Add jj.py and sandbox.py tool modules for jujutsu and sandbox management
- Remove circular dependency on crazy-mcp from pyproject.toml
- Fix async get_state call in PMOCrazyCoder.py increment tool
- Add bin/jj-ai-commit.sh for AI-generated commit messages from diffs
- Update entrypoint to copy all bin scripts and create config directory

bin/jj-ai-commit.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+LOCAL_LLM_API=${LOCAL_LLM_API:-http://host.docker.internal:1248/v1}
+
+DIFF=$(jj diff)
+PROMPT='Analyse ce diff et réponds UNIQUEMENT avec un objet JSON valide contenant "title" (string) et "message" (string) pour le message de commit. Pas de texte avant ou après le JSON.'
+
+CONTENT="${PROMPT}
+${DIFF}"
+
+REQUEST=$(jq -n --arg content "$CONTENT" '{"model": "qwen3-coder", "messages": [{"role": "user", "content": $content}]}')
+
+curl -s -X POST \
+  -H "Content-Type: application/json" \
+  -d "$REQUEST" \
+  "$LOCAL_LLM_API/chat/completions" | jq -r '.choices[0].message.content' | jq -r '.title + "\n\n" + .message'