=== Week 6 Autograder ===
  ✓ PASS  found Dockerfile
  ✓ PASS  found requirements.txt
  ✓ PASS  found src/pipeline.py
  ✓ PASS  found AI_ASSIST.md
  ✓ PASS  found README.md
  ✓ PASS  found docs/ directory
  ✓ PASS  Level 1: required files (10/10 pts)
  ✓ PASS  requirements.txt pins azure-storage-blob
  ✓ PASS  requirements.txt pins psycopg2-binary
  ✓ PASS  Level 2: pinned dependencies (10/10 pts)
  ✓ PASS  Dockerfile uses a python:3.11 base image
  ✓ PASS  Dockerfile copies requirements before src/ (layer cache stays warm)
  ✓ PASS  Dockerfile has a real CMD instruction
  ✓ PASS  Level 3: Dockerfile (10/10 pts)
  ✓ PASS  pipeline.py reads POSTGRES_URL and AZURE_STORAGE_CONNECTION_STRING from env
  ✗ FAIL  pipeline.py does not use 'from contextlib import closing' + 'with closing(...)' (Chapter 4 pattern)
  ✓ PASS  pipeline.py silences the azure SDK logger
  ⚠ WARN  pipeline.py still contains 'raise NotImplementedError' — finish the stubs before submitting
  ✓ PASS  Level 4: pipeline shape (10/15 pts)
  ✗ FAIL  pipeline.py does not use ON CONFLICT ... DO UPDATE (idempotent upsert)
  ✗ FAIL  pipeline.py does not use %s placeholders for parameterised SQL
  ✓ PASS  Level 5: idempotent upsert (0/15 pts)
  ✓ PASS  connection string includes sslmode=require
  ✓ PASS  pipeline.py uses the azure-storage-blob SDK (BlobServiceClient)
  ✓ PASS  Level 6: connection + SDK (10/10 pts)
  ✗ FAIL  AI_ASSIST.md has section headers but is not filled in (1148 chars, 0 TODO line(s); target 1800+ chars, 0 TODOs)
  ✓ PASS  Level 7: AI report (0/10 pts)
  ✓ PASS  README.md has '## Verification' heading and embeds a docs/ image
  ✓ PASS  Level 8: README verification (10/10 pts)
  ✓ PASS  execution-history screenshot present at execution_history.png (73508 bytes)
  ✓ PASS  Level 9: execution screenshot (10/10 pts)
  ✓ PASS  .gitignore correctly excludes __pycache__/, *.pyc, and .env

Score: 70 / 100  (passing: 60)  pass=true