fix(ci): create outputs/ and images/ if missing

Author: KyleSDeveloper

scripts/run_once.py

@@ -2,9 +2,20 @@
 import matplotlib.pyplot as plt
 
 ROOT = pathlib.Path(__file__).resolve().parents[1]
+
+# ✅ Ensure folders exist on fresh CI runners
+(ROOT / 'outputs').mkdir(parents=True, exist_ok=True)
+(ROOT / 'images').mkdir(parents=True, exist_ok=True)
+
 con = duckdb.connect(database=str(ROOT / 'analytics.duckdb'))
 
-for rel in ['models/staging/stg_events.sql','models/marts/mart_sessions.sql','models/marts/mart_funnel.sql','models/marts/mart_retention.sql']:
+# Build models
+for rel in [
+    'models/staging/stg_events.sql',
+    'models/marts/mart_sessions.sql',
+    'models/marts/mart_funnel.sql',
+    'models/marts/mart_retention.sql'
+]:
     con.execute((ROOT / rel).read_text())
 
 # Export marts to CSVs
@@ -19,8 +30,11 @@
     stages = ['visits','signups','activations','purchases']
     vals = [row[s] for s in stages]
     plt.figure(figsize=(6,4))
-    plt.bar(stages, vals); plt.title('Funnel (Last Day)')
-    plt.tight_layout(); plt.savefig(ROOT / 'images' / 'funnel_last_day.png', dpi=150); plt.close()
+    plt.bar(stages, vals)
+    plt.title('Funnel (Last Day)')
+    plt.tight_layout()
+    plt.savefig(ROOT / 'images' / 'funnel_last_day.png', dpi=150)
+    plt.close()
 
 # Average 7-day retention curve
 ret = con.execute("""
@@ -34,7 +48,10 @@
 if not ret.empty:
     plt.figure(figsize=(6,4))
     plt.plot(ret['day_num'], ret['avg_retention'])
-    plt.title('7-Day Retention (Average)'); plt.xlabel('Day'); plt.ylabel('Retention')
-    plt.tight_layout(); plt.savefig(ROOT / 'images' / 'retention_curve.png', dpi=150); plt.close()
+    plt.title('7-Day Retention (Average)')
+    plt.xlabel('Day'); plt.ylabel('Retention')
+    plt.tight_layout()
+    plt.savefig(ROOT / 'images' / 'retention_curve.png', dpi=150)
+    plt.close()
 
 print('Built models → outputs/*.csv and images/*.png')