feat: Integrate I_Score for institutional sponsorship in CANSLIM screener

src/main.py

@@ -3,6 +3,7 @@ from screener.data_fetcher import validate_date_range, fetch_financial_data, get
 from screener.c_canslim import check_quarterly_earnings, check_return_on_equity, check_sales_growth
 from screener.a_canslim import check_annual_eps_growth
 from screener.l_canslim import check_industry_leadership  # ✅ NEW: Import L Score function
+from screener.i_canslim import check_institutional_sponsorship  # ✅ NEW: Import I Score function
 from screener.csv_appender import append_scores_to_csv
 from screener.screeners import SCREENERS  # Import categories
 from screener.user_input import get_user_screener_selection  # Import function
@@ -52,6 +53,9 @@ def main():
                     elif screener == "L_Score":
                         scores[screener] = check_industry_leadership(symbol)  # ✅ NEW: Industry Leadership Calculation
                         print(f"🟢 {symbol} - L_Score: {scores[screener]}")  # ✅ DEBUG LOG
+                    elif screener == "I_Score":
+                        scores[screener] = check_institutional_sponsorship(symbol)  # ✅ NEW: Institutional Sponsorship Check
+                        print(f"🏢 {symbol} - I_Score: {scores[screener]}")  # ✅ DEBUG LOG
                     
                     # Apply user-defined threshold if applicable
                     if isinstance(threshold, (int, float)):

src/screener/csv_appender.py

@@ -30,6 +30,8 @@ def append_scores_to_csv(symbol, scores):
     headers = existing_headers if existing_headers else new_headers
     if "L_Score" not in headers:
         headers.insert(-1, "L_Score")  # Ensure L_Score is before Total_Score
+    if "I_Score" not in headers:
+        headers.insert(-1, "I_Score")  # Ensure I_Score is before Total_Score
 
     # Ensure order consistency for output
     row_data = {header: scores.get(header, 0) for header in headers}

src/screener/screeners.py

@@ -5,7 +5,8 @@ SCREENERS = {
         "Annual_EPS_Score": "Checks 3-year annual EPS growth",
         "Sales_Score": "Checks quarterly sales growth",
         "ROE_Score": "Checks return on equity",
-        "L_Score": "Checks if the stock is a leader in its industry"  # ✅ NEW: Added L_Score
+        "L_Score": "Checks if the stock is a leader in its industry",  # ✅ NEW: Added L_Score
+        "I_Score": "Checks institutional sponsorship and ownership trends"  # ✅ NEW: Added I_Score
     },
     "Volume-Based": {
         "Volume_Oscillator_Score": "Checks for unusual volume surges",