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/scanner.py

@@ -9,6 +9,8 @@ import sys
 from datetime import datetime
 from pathlib import Path
 from sources.ebay_scanner import search_ebay_cast_iron
+from sources.craigslist_scanner import search_craigslist_cast_iron
+from sources.facebook_scanner import search_facebook_marketplaceCast_iron
 from valuation import is_good_deal, calculate_fmv
 
 SCRIPT_DIR = Path(__file__).parent
@@ -80,14 +82,36 @@ def scan_all_sources():
     state = load_state()
     seen_links = set(state.get('seen_links', []))
     
+    all_items = []
+    
     # Scan eBay
-    items = search_ebay_cast_iron()
-    log(f"Found {len(items)} items on eBay")
+    try:
+        ebay_items = search_ebay_cast_iron()
+        log(f"Found {len(ebay_items)} items on eBay")
+        all_items.extend(ebay_items)
+    except Exception as e:
+        log(f"eBay scan error: {e}")
+    
+    # Scan Craigslist
+    try:
+        cl_items = search_craigslist_cast_iron()
+        log(f"Found {len(cl_items)} items on Craigslist")
+        all_items.extend(cl_items)
+    except Exception as e:
+        log(f"Craigslist scan error: {e}")
+    
+    # Scan Facebook Marketplace (placeholder for now)
+    try:
+        fb_items = search_facebook_marketplaceCast_iron(config)
+        log(f"Found {len(fb_items)} items on Facebook Marketplace")
+        all_items.extend(fb_items)
+    except Exception as e:
+        log(f"Facebook scan error: {e}")
     
     deals_found = 0
     min_discount = config.get('min_discount_percent', 50)
     
-    for item in items:
+    for item in all_items:
         # Skip if already seen
         if item['link'] in seen_links:
             continue
@@ -110,7 +134,7 @@ def scan_all_sources():
     state['seen_links'] = list(seen_links)
     save_state(state)
     
-    log(f"Scan complete. Deals found: {deals_found}, Total items processed: {len(items)}")
+    log(f"Scan complete. Deals found: {deals_found}, Total items processed: {len(all_items)}")
     return deals_found
 
 if __name__ == "__main__":