feat(infra): add CopilotKit runtime and update deployment infrastructure

- Add CopilotKit Lambda runtime to CDK and Terraform stacks
- Add SSM parameters and outputs for CopilotKit runtime URL
- Update frontend deployment scripts to include CopilotKit runtime config

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

Author: tylerslaton

.dockerignore

@@ -1,23 +1,15 @@
-# Exclude large directories to keep build context small
-node_modules/
-.git/
-frontend/node_modules/
-frontend/dist/
-infra-cdk/node_modules/
-infra-cdk/cdk.out/
-.ruff_cache/
-__pycache__/
-*.pyc
-.pytest_cache/
-.coverage
-htmlcov/
-dist/
-build/
-*.egg-info/
-.vscode/
-.idea/
+# Default-deny the repo root and only include the runtime inputs we need.
+**
 
-# Keep only what we need for Docker builds
-!gateway/
+!.dockerignore
 !pyproject.toml
+!gateway/
+!gateway/**
 !patterns/
+!patterns/**
+!tools/
+!tools/**
+!ag_ui_langgraph/
+!ag_ui_langgraph/**
+!copilotkit/
+!copilotkit/**

infra-cdk/config.yaml

@@ -1,14 +1,15 @@
-stack_name_base: FAST-stack
+stack_name_base: langgraph-stack
 
 # Optional: Set to automatically create an admin user and email credentials
 # If not provided, you'll need to manually create users via AWS Console
-admin_user_email: # Example: admin@example.com
+admin_user_email:
 
 backend:
-  pattern: strands-single-agent # Available patterns: strands-single-agent, langgraph-single-agent, claude-agent-sdk
+  pattern: langgraph-single-agent # Available patterns: strands-single-agent, langgraph-single-agent, claude-agent-sdk
   deployment_type: docker # Available deployment types: docker (default), zip (not supported for claude-agent-sdk)
   network_mode: PUBLIC # Available network modes: PUBLIC (default), VPC
 
+
   # VPC configuration - required when network_mode is VPC
   # Your VPC must have the necessary VPC endpoints for AWS services.
   # See docs/DEPLOYMENT.md for the full list of required VPC endpoints.