fix: migrations, auth, providers health check, E2E tests, remove neko-sama

- Add proper Alembic initial migration (0001_initial_schema.py)
- Migrate refresh tokens from JSON file to SQLite (RefreshTokenTable)
- Remove Neko-Sama provider entirely (redirects to Gupy, not a host)
- Fix provider health check always showing UNKNOWN
  - Run check_all_health() on startup
  - Fix POST /providers/health/check background task bug
  - Add HTMX refresh after manual health check trigger
- Fix anime search relevance scoring with MIN_RELEVANCE_THRESHOLD=0.5
- Replace bare 'except:' with 'except Exception:' across codebase
- Add Playwright E2E test suite (12 tests, auth setup, helpers)
- Fix toast container blocking clicks via pointer-events: none
- Remove obsolete Jest/Vite test files and config
- Clean up obsolete test_watchlist scripts
- Update sonarr model comment for active providers

app/downloaders/video_players/doodstream.py

@@ -68,7 +68,7 @@ class DoodStreamDownloader(BaseVideoPlayer):
                     fname = self._extract_filename_from_headers(head_resp.headers)
                     if fname:
                         filename = fname
-                except:
+                except Exception:
                     pass
 
                 return download_url, filename

app/downloaders/video_players/lpayer.py

@@ -102,7 +102,7 @@ class LpayerDownloader(BaseVideoPlayer):
                 try:
                     await page.mouse.click(640, 360)
                     await asyncio.sleep(3)
-                except:
+                except Exception:
                     pass
 
                 # Try JavaScript extraction to find video URLs in DOM
@@ -235,7 +235,7 @@ class LpayerDownloader(BaseVideoPlayer):
             if browser:
                 try:
                     await browser.close()
-                except:
+                except Exception:
                     pass
         """Extract video URL using Playwright to render JavaScript"""
         try:

app/downloaders/video_players/oneupload.py

@@ -124,7 +124,7 @@ class OneuploadDownloader(BaseVideoPlayer):
                                     await element.click()
                                     await asyncio.sleep(2)
                                 break
-                        except:
+                        except Exception:
                             continue
                 except Exception as e:
                     print(f"[ONEUPLOAD] Play button interaction: {e}")

app/downloaders/video_players/rapidfile.py

@@ -62,7 +62,7 @@ class RapidFileDownloader(BaseVideoPlayer):
                         filename = fname
                     else:
                         filename = download_url.split('/')[-1] or "rapidfile_download"
-                except:
+                except Exception:
                     filename = download_url.split('/')[-1] or "rapidfile_download"
 
                 return download_url, filename

app/downloaders/video_players/smoothpre.py

@@ -118,7 +118,7 @@ class SmoothpreDownloader(BaseVideoPlayer):
                                     await element.click()
                                     await asyncio.sleep(2)
                                 break
-                        except:
+                        except Exception:
                             continue
                 except Exception as e:
                     print(f"[SMOOTHPRE] Play button interaction: {e}")

app/downloaders/video_players/unfichier.py

@@ -42,7 +42,7 @@ class UnFichierDownloader(BaseVideoPlayer):
                             if not filename:
                                 filename = href.split('/')[-1] or "downloaded_file"
                             return href, filename
-                    except:
+                    except Exception:
                         continue
 
             raise Exception("Could not find download link on page")

app/downloaders/video_players/vidmoly.py

@@ -177,7 +177,7 @@ class VidMolyDownloader(BaseVideoPlayer):
                                     await element.click()
                                     await asyncio.sleep(3)
                                 break
-                        except:
+                        except Exception:
                             continue
                 except Exception as e:
                     print(f"[VIDMOLY] Play button interaction: {e}")