Major refactor: Fix SQLite concurrency, remove rate limiting, simplify architecture

- Switch to single Gunicorn worker to eliminate SQLite database locking issues
- Remove Flask-Limiter and all rate limiting complexity
- Remove Cloudflare proxy setup and dependencies
- Simplify configuration and remove unnecessary features
- Update all templates and static files for streamlined operation
- Clean up old files and documentation
- Restore stable database from backup
- System now runs fast and reliably without database locks

create_fresh_db.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+"""Create a fresh quotes database with test data"""
+
+import os
+import sqlite3
+from datetime import datetime
+
+# Remove existing database files
+db_files = ['instance/quotes.db', 'instance/quotes.db-shm', 'instance/quotes.db-wal']
+for db_file in db_files:
+    if os.path.exists(db_file):
+        os.remove(db_file)
+        print(f"Removed {db_file}")
+
+# Create fresh database
+conn = sqlite3.connect('instance/quotes.db')
+cursor = conn.cursor()
+
+# Create the quote table with proper schema
+cursor.execute("""
+CREATE TABLE quote (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    text TEXT NOT NULL,
+    votes INTEGER DEFAULT 0,
+    date DATETIME,
+    status INTEGER DEFAULT 0,
+    ip_address TEXT,
+    user_agent TEXT,
+    submitted_at DATETIME,
+    flag_count INTEGER DEFAULT 0
+)
+""")
+
+# Create indexes for performance
+cursor.execute("CREATE INDEX idx_status_id ON quote(status, id)")
+cursor.execute("CREATE INDEX idx_flag_count_id ON quote(flag_count, id)")
+
+# Insert test data
+test_quotes = [
+    ("This is a pending quote for testing moderation", 0, 0),  # pending
+    ("This is an approved quote that should appear in browse", 5, 1),  # approved  
+    ("Another approved quote with positive votes", 12, 1),  # approved
+    ("A rejected quote that was not good enough", -2, 2),  # rejected
+    ("Another pending quote to test approve/reject", 0, 0),  # pending
+    ("Third pending quote for comprehensive testing", 0, 0),  # pending
+]
+
+current_time = datetime.now()
+
+for i, (text, votes, status) in enumerate(test_quotes, 1):
+    cursor.execute("""
+        INSERT INTO quote (text, votes, status, submitted_at, ip_address, user_agent, flag_count)
+        VALUES (?, ?, ?, ?, ?, ?, ?)
+    """, (text, votes, status, current_time, '127.0.0.1', 'Test Script', 0))
+
+# Set WAL mode for better concurrency
+cursor.execute("PRAGMA journal_mode=WAL")
+cursor.execute("PRAGMA busy_timeout=1000")
+
+# Commit and close
+conn.commit()
+
+# Verify the data
+cursor.execute("SELECT id, text, status FROM quote ORDER BY id")
+results = cursor.fetchall()
+
+print("\nCreated fresh database with test quotes:")
+print("ID | Status | Text")
+print("-" * 50)
+for quote_id, text, status in results:
+    status_name = {0: "PENDING", 1: "APPROVED", 2: "REJECTED"}[status]
+    print(f"{quote_id:2d} | {status_name:8s} | {text[:40]}...")
+
+conn.close()
+print(f"\nFresh database created successfully!")
+print(f"Total quotes: {len(test_quotes)}")
+print("3 pending, 2 approved, 1 rejected")