changes db init hours to resemble a natural rhythm

Makefile

@@ -1,49 +1,132 @@
+# List of phony targets (targets that don't represent files)
 .PHONY: all clean venv run format format-check lint mypy test dist reformat dev
 
+# Define Python and pip executables inside virtual environment
 PYTHON := venv/bin/python
 PIP := venv/bin/pip
 
+# Default target that runs the application
 all: run
 
+# Remove all generated files and directories
 clean:
 	rm -rf venv build dist .pytest_cache .mypy_cache *.egg-info
 
+# Define database path
 DB_PATH=scipaperloader/papers.db
 
+# Backup the database with timestamp
+backup-db:
+	@mkdir -p backups
+	@timestamp=$$(date +%Y%m%d_%H%M%S); \
+	cp $(DB_PATH) backups/papers_$$timestamp.db && \
+	echo "Database backed up to backups/papers_$$timestamp.db"
+
+# Create sample test data for development and testing
+sample-data: venv
+	$(PYTHON) scipaperloader/scripts/create_sample_data.py
+
+# Export database as SQL script with timestamp
+export-db: venv
+	@mkdir -p exports
+	@timestamp=$$(date +%Y%m%d_%H%M%S); \
+	$(PYTHON) -c "import sqlite3; conn = sqlite3.connect('$(DB_PATH)'); with open('exports/papers_$$timestamp.sql', 'w') as f: f.write(''.join(conn.iterdump()));" && \
+	echo "Database exported to exports/papers_$$timestamp.sql"
+
+# Run the application with production settings
+run-prod: venv
+	FLASK_ENV=production venv/bin/flask --app scipaperloader run --host=0.0.0.0
+
+# Check for security vulnerabilities in dependencies
+security-check: venv
+	$(PIP) install safety
+	venv/bin/safety check
+
+# Create a new database migration with provided message
+db-migrate: venv
+	venv/bin/flask --app scipaperloader db migrate -m "$(message)"
+
+# Apply pending database migrations
+db-upgrade: venv
+	venv/bin/flask --app scipaperloader db upgrade
+
+# Revert the last database migration
+db-downgrade: venv
+	venv/bin/flask --app scipaperloader db downgrade
+
+# Generate API documentation using Sphinx
+docs: venv
+	$(PIP) install sphinx sphinx_rtd_theme
+	cd docs && venv/bin/sphinx-build -b html source build
+
+# Create a code coverage report for the test suite
+coverage: venv
+	$(PYTHON) -m pytest --cov=scipaperloader --cov-report=html
+	@echo "Coverage report generated in htmlcov/"
+
+# Generate a requirements.txt file from current environment
+requirements: venv
+	$(PIP) freeze > requirements.txt
+	@echo "Requirements file updated"
+
+# Show project statistics (code lines, routes, database size)
+stats:
+	@echo "Lines of Python code:"
+	@find scipaperloader -name "*.py" | xargs wc -l | sort -nr
+	@echo "Number of routes:"
+	@grep -r "@bp.route" scipaperloader | wc -l
+	@echo "Database file size:"
+	@du -h $(DB_PATH) 2>/dev/null || echo "Database file not found"
+
+# Show TODOs and FIXMEs in code
+todos:
+	@grep -r "TODO\|FIXME" scipaperloader || echo "No TODOs found"
+
+# Reset the database: delete, initialize, and migrate
 reset-db:
 	rm -f $(DB_PATH)
 	flask db init || true
 	flask db migrate -m "Initial migration"
 	flask db upgrade
 
+# Create and set up virtual environment
 venv:
 	python3 -m venv venv && \
 		$(PIP) install --upgrade pip setuptools && \
 		$(PIP) install --editable ".[dev]"
 
+# Run the application in debug mode
 run: venv
 	venv/bin/flask --app scipaperloader --debug run
 
+# Format code using Black and isort
 format:
 	venv/bin/black .
 	venv/bin/isort .
 
+# Check if code meets formatting standards
 format-check:
 	venv/bin/black --check .
 	venv/bin/isort --check .
 
+# Reformat and lint code
 reformat: format lint
 
+# Check code for style issues using flake8
 lint:
 	venv/bin/flake8 .
 
+# Run static type checking with mypy
 mypy:
 	venv/bin/mypy scipaperloader
 
+# Run the test suite
 test:
 	venv/bin/pytest
 
+# Build distribution package after running checks
 dist: format-check lint mypy test
 	$(PIP) wheel --wheel-dir dist --no-deps .
 
+# Set up complete development environment
 dev: clean venv

scipaperloader/models.py

@@ -39,15 +39,16 @@ def init_schedule_config():
         # higher volume at night
         default_schedule = [
             # Night hours (higher volume)
-            *[(hour, 1.0) for hour in range(0, 6)],
+            *[(hour, 0.1) for hour in range(0, 6)],
             # Morning hours (low volume)
-            *[(hour, 0.3) for hour in range(6, 9)],
+            *[(hour, 0.5) for hour in range(6, 7)],
+            *[(hour, 0.7) for hour in range(8, 9)],
             # Business hours (very low volume)
-            *[(hour, 0.2) for hour in range(9, 17)],
+            *[(hour, 1) for hour in range(9, 17)],
             # Evening hours (medium volume)
             *[(hour, 0.5) for hour in range(17, 21)],
             # Late evening (high volume)
-            *[(hour, 0.8) for hour in range(21, 24)],
+            *[(hour, 0.2) for hour in range(21, 24)],
         ]
 
         for hour, weight in default_schedule:

scipaperloader/views.py

@@ -297,7 +297,7 @@ def export_papers():
         download_name="papers.csv",
     )
 
-    from flask import jsonify, render_template
+
 
 
 @bp.route("/papers/<int:paper_id>/detail")