add: redirection des journaux

webui.py

@@ -40,13 +40,18 @@ def _ensure_playwright():
     #    cheap when the browser is already present.
     try:
         subprocess.run(
-            [sys.executable, "-m", "playwright", "install", "--with-deps", "chromium"],
+            ["playwright", "install", "--with-deps", "chromium"],
             check=True,
-            stdout=subprocess.DEVNULL,
+            stdout=subprocess.PIPE,
             stderr=subprocess.STDOUT,
         )
     except Exception as err:  # pylint: disable=broad-except
-        logging.warning("Playwright browser installation failed (continuing without it): %s", err)
+        logging.warning("Playwright install with deps failed: %s", err)
+        # Fallback: try without system deps (may succeed in HF image)
+        try:
+            subprocess.run(["playwright", "install", "chromium"], check=True)
+        except Exception as err2:  # pylint: disable=broad-except
+            logging.error("Playwright browser installation ultimately failed: %s", err2)
 
 
 # ---------------------------------------------------------------------------