# AWS reference-architecture replica — Lex chatbot + Bedrock RAG.
# Mirrors aws-1.png (sibling).

canvas:   1280 x 680

# ── Regions (leaves placed by absolute @ positions; inner nested in outer) ─
# outer = administrative boundary (AWS region, navy + AWS logo).
# inner = logical subgroup (the company's app domain, purple + site glyph).
useast1 outer "us-east-1" padding (40, 56) icon aws-logo {
  yourcompany inner "<your-company>.com" padding (24, 24) icon site-globe {
    amplify  aws-tile/aws-amplify/orange       "AWS Amplify"     "Website"                  @ (320, 176)
    lex      aws-tile/aws-lex/orange           "Amazon Lex"      "Natural Language Chatbot" @ (320, 344)
    lambda   aws-tile-hero/aws-lambda/orange   "AWS Lambda"      "Lex Bot Logic Handler"    @ (568, 344)
    connect  aws-tile/aws-connect/orange       "Amazon Connect"  "Contact Center"           @ (448, 512)
  }
  # Inside us-east-1 but outside <your-company>.com
  dynamodb  aws-tile/aws-dynamodb/blue    "Amazon DynamoDB"  "User Account Info"        @ (832, 176)
  bedrock   aws-tile/aws-bedrock/green    "Amazon Bedrock"   "Anthropic Claude 2.1 FM"  @ (832, 344)
  s3        aws-tile/aws-s3/green         "Amazon S3"        "Customer Data"            @ (1064, 344)
  kendra    aws-tile/aws-kendra/orange    "Amazon Kendra"    "FAQ Search"               @ (1024, 520)
}

# ── Actors and annotations outside AWS (centres snap to 8 px, §6.6.2) ─
customer  circle/customer-person/blue  "Customer"  ""  @ (72, 344)
internet  circle/internet-cloud/blue   "Internet"  ""  @ (1200, 424)

# Slack badge beside Connect (icon-only annotation)
slack  badge/slack/blue  ""  ""  @ (560, 512)

# Numbered step badges (§6.7.3)
step1  badge/step-1/orange  ""  ""  @ (184, 296)
step2  badge/step-2/orange  ""  ""  @ (440, 160)
step3  badge/step-3/orange  ""  ""  @ (704, 160)

# ── Edges ─────────────────────────────────────────────────────────────
# Customer → entry channels (three rails from Customer's right edge)
customer --> amplify  : "Web"    { src=right(0,-24), dst=left, label_offset=(-40,-8), small }
customer --> lex      : "SMS"    { src=right, dst=left, label_offset=(-50,-8), small }
customer --> connect  : "Voice"  { src=bottom, dst=left, via=(72,512), label_pos=(232,504), small }

# Main numbered flow: Amplify → Lambda → DynamoDB
amplify --> lambda
# Lambda → DynamoDB is part of the request flow AND a Lambda fan-out — draw dashed.
lambda  --> dynamodb  { src=top, dst=left, dashed }

# Lex ↔ Lambda (bidirectional, parallel rails)
lex    --> lambda  { src=right(0,-12), dst=left(0,-12) }
lambda --> lex     { src=left(0,12), dst=right(0,12) }

# Lambda fan-out to data services (dashed = async/parallel)
lambda --> bedrock  { dashed }

# Bedrock → S3 (fine-tuning data, solid — direct dependency)
bedrock --> s3  : "fine-tunable"  { label_offset=(0,-10), small }

# Lambda → Kendra (fan-out to FAQ search)
lambda --> kendra  { src=bottom, dst=left, via=(568,520), dashed }

# Internet → Kendra (Web Crawler from outside)
internet --> kendra  : "Web Crawler"  { src=bottom, dst=right, via=(1200,520), label_pos=(1136,512), small }

# Connect → Lambda (Voice channel meets Lex logic)
connect --> lambda  { src=top, dst=bottom }