feat(random): multi-theme groundwork, locked reroll export parity, duplicate export fix, expanded diagnostics and test coverage

code/tests/test_random_reroll_locked_artifacts.py

@@ -0,0 +1,45 @@
+import os
+import time
+from glob import glob
+from fastapi.testclient import TestClient
+
+
+def _client():
+    os.environ['RANDOM_UI'] = '1'
+    os.environ['RANDOM_MODES'] = '1'
+    os.environ['CSV_FILES_DIR'] = os.path.join('csv_files','testdata')
+    from web.app import app
+    return TestClient(app)
+
+
+def _recent_files(pattern: str, since: float):
+    out = []
+    for p in glob(pattern):
+        try:
+            if os.path.getmtime(p) >= since:
+                out.append(p)
+        except Exception:
+            pass
+    return out
+
+
+def test_locked_reroll_generates_summary_and_compliance():
+    c = _client()
+    # First random build (api) to establish commander/seed
+    r = c.post('/api/random_reroll', json={})
+    assert r.status_code == 200, r.text
+    data = r.json()
+    commander = data['commander']
+    seed = data['seed']
+
+    start = time.time()
+    # Locked reroll via HTMX path (form style)
+    form_body = f"seed={seed}&commander={commander}&mode=reroll_same_commander"
+    r2 = c.post('/hx/random_reroll', data=form_body, headers={'Content-Type':'application/x-www-form-urlencoded'})
+    assert r2.status_code == 200, r2.text
+
+    # Look for new sidecar/compliance created after start
+    recent_summary = _recent_files('deck_files/*_*.summary.json', start)
+    recent_compliance = _recent_files('deck_files/*_compliance.json', start)
+    assert recent_summary, 'Expected at least one new summary json after locked reroll'
+    assert recent_compliance, 'Expected at least one new compliance json after locked reroll'