Planning Center Sermon Episodes
Create and update sermon episodes in Planning Center Publishing within a series.
TRIGGERS: "create episode", "add episode", "upload sermon", "upload episode",
"batch upload sermons", "Planning Center episode", "sermon upload", "audio upload to Planning Center",
"Subsplash import", "migrate from Subsplash", "set episode date", "set publish date",
"assign speaker", "update episode", "pending uploads", "finish episodes", "episode date and speaker".
Use when user wants to create episodes with: title, description, artwork, audio file,
video URL, publish date/time, and speaker assignment. Also handles updating existing episodes
to set publish dates and assign speakers via browser automation (required because the PCO API
returns 422 Forbidden for date fields and speaker assignment endpoints).
Integrates with CLI progress tracking via `yarn pending-uploads` and `yarn mark-done`.
Supports Subsplash JSON export format for migration.