Initial commit: Chat-to-diagram v1.0

- Chat interface with OpenAI GPT integration
- Automatic diagram generation from text descriptions
- Tldraw canvas with Dagre layout engine
- REST API instead of WebSocket approach

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

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

.claude/settings.local.json

@@ -0,0 +1,26 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(cat:*)",
+      "WebSearch",
+      "Bash(mkdir:*)",
+      "Bash(claude mcp add:*)",
+      "mcp__archon__manage_project",
+      "Bash(dir:*)",
+      "mcp__archon__manage_task",
+      "Bash(npm install)",
+      "Bash(npm run relay:*)",
+      "Bash(netstat:*)",
+      "Bash(findstr:*)",
+      "Bash(taskkill:*)",
+      "Bash(timeout:*)",
+      "Bash(npm run dev:*)",
+      "Bash(npm run build:*)",
+      "Bash(npm start)",
+      "Bash(find:*)",
+      "Bash(git init:*)",
+      "Bash(git add:*)",
+      "Bash(git commit:*)"
+    ]
+  }
+}