feat: Cast Iron Scout multi-channel expansion

- Added Craigslist scanner framework
- Added Facebook Marketplace placeholder
- Updated main scanner to aggregate all sources
- Added STATUS.md for development tracking
- Fixed import paths for all scanners
- Ready for HTML scraping implementation

Current status:
- eBay: RSS built but unreliable, need HTML scraping
- Craigslist: Framework ready, debugging HTML parsing
- Facebook: Placeholder (needs Selenium)
- All sources tracked in unified scan loop

agents/cast-iron-scout/sources/craigslist_scanner.py

@@ -0,0 +1,87 @@
+#!/usr/bin/env python3
+"""
+Craigslist Scanner for Cast Iron
+Scans Craigslist for cast iron cookware deals
+"""
+import requests
+from datetime import datetime
+import re
+
+def search_craigslist_cast_iron(locations=None):
+    """
+    Search Craigslist for cast iron items
+    locations: list of Craigslist location codes (e.g., 'atl', 'nyc', 'la')
+    """
+    if locations is None:
+        # Major metro areas with active cast iron markets
+        locations = [
+            'atlanta', 'austin', 'boston', 'charleston', 'chicago',
+            'dallas', 'denver', 'detroit', 'houston', 'kansas',
+            'lasvegas', 'losangeles', 'miami', 'minneapolis', 'nashville',
+            'newjersey', 'newyork', 'orangecounty', 'philadelphia',
+            'phoenix', 'pittsburgh', 'portland', 'raleigh', 'sacramento',
+            'sandiego', 'sf', 'seattle', 'stlouis', 'tampa', 'washingtondc'
+        ]
+    
+    items = []
+    
+    search_query = "cast iron skillet"
+    
+    for location in locations[:5]:  # Start with first 5 to avoid rate limiting
+        try:
+            url = f"https://{location}.craigslist.org/search/sss?query={search_query.replace(' ', '%20')}"
+            
+            response = requests.get(url, headers={
+                'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36'
+            }, timeout=10)
+            
+            if response.status_code == 200:
+                # Parse HTML for listings
+                # Craigslist structure: each result is in a div.result-row
+                from bs4 import BeautifulSoup
+                soup = BeautifulSoup(response.text, 'html.parser')
+                
+                results = soup.find_all('li', class_='result-row')
+                
+                for result in results[:10]:  # Top 10 per location
+                    try:
+                        title_elem = result.find('a', class_='result-title')
+                        if not title_elem:
+                            continue
+                        
+                        title = title_elem.text
+                        link = title_elem['href']
+                        price_text = result.find('span', class_='result-price')
+                        price = 0
+                        
+                        if price_text:
+                            price_match = re.search(r'\$?([\d,]+)', price_text.text)
+                            if price_match:
+                                price = float(price_match.group(1).replace(',', ''))
+                        
+                        # Extract location
+                        loc_elem = result.find('span', class_='result-hood')
+                        loc = loc_elem.text.strip() if loc_elem else location
+                        
+                        items.append({
+                            'title': title,
+                            'price': price,
+                            'link': link,
+                            'source': f'Craigslist ({location})',
+                            'location': loc,
+                            'found_at': datetime.now().isoformat()
+                        })
+                    except Exception as e:
+                        continue
+                        
+        except Exception as e:
+            print(f"Error scanning Craigslist {location}: {e}")
+    
+    return items
+
+if __name__ == "__main__":
+    print("🔍 Scanning Craigslist for cast iron...")
+    items = search_craigslist_cast_iron()
+    print(f"Found {len(items)} items")
+    for item in items[:5]:
+        print(f"  - {item['title'][:50]} - ${item['price']} ({item['source']})")