bito-code-review[bot] commented on PR #35923:
URL: https://github.com/apache/superset/pull/35923#issuecomment-3471578249
<details open>
<summary><strong>Interaction Diagram by <a
href="https://bito.ai#sequence_diagram";>Bito</a></strong></summary>
```mermaid
sequenceDiagram
participant Scheduler as Celery Beat Scheduler
participant CacheTask as cache_warmup Task<br/>🔄 Updated | ●●● High
participant Strategy as Strategy Classes<br/>🔄 Updated | ●●● High
participant SecMgr as SecurityManager
participant WebDriver as WebDriverSelenium<br/>🔄 Updated | ●●● High
participant Dashboard as Dashboard Model
participant Screenshot as Screenshot Capture
Scheduler->>CacheTask: Trigger cache-warmup (CELERYBEAT_SCHEDULE)
CacheTask->>Strategy: Load strategy by name
Strategy->>Dashboard: Query published dashboards
Dashboard-->>Strategy: Return dashboard URLs
CacheTask->>SecMgr: find_user(SUPERSET_CACHE_WARMUP_USER)
SecMgr-->>CacheTask: Return authenticated user
CacheTask->>WebDriver: Initialize WebDriverSelenium(user)
CacheTask->>WebDriver: get_screenshot(url, grid-container)
WebDriver->>Screenshot: Capture dashboard via WebDriver
Screenshot-->>WebDriver: Return screenshot bytes
WebDriver-->>CacheTask: Screenshot result
CacheTask-->>Scheduler: Return success/error results
```
Critical path: Celery Beat Scheduler -> cache_warmup Task -> Strategy
Classes -> Dashboard Model -> WebDriverSelenium -> Screenshot Capture
> **Note:** Cache warmup refactored from chart-based API calls to
dashboard-based WebDriver screenshots. User authentication now happens at task
initialization via SecurityManager. WebDriverSelenium now manages its own
lifecycle with lazy driver creation and automatic cleanup.
</details>
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