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-# Branch Scope: Issue #13 Title Privacy
-
-Temporary planning document for branch `codex/issue-13-title-privacy`.
-
-IMPORTANT: Delete this file before opening the PR. It is only for branch-local coordination and should not be merged.
-
-## Issue
-
-GitHub issue #13 asks for an advanced privacy option that controls whether tab titles and media titles are sent to the KoalaSync relay server.
-
-## Goals
-
-- Keep the existing behavior as the default for full backwards compatibility.
-- Add a local-only extension setting for shared title privacy.
-- Support three modes:
-  - Full titles: current behavior.
-  - Episode only: send only an extracted episode identifier such as `S01E04` or `EP004`.
-  - Hidden: clear shared tab and media titles before they leave the extension.
-- Avoid server changes unless absolutely necessary.
-- Preserve local title-based behavior where possible, including local episode detection.
-
-## Compatibility Notes
-
-- Existing users should keep sending full titles unless they actively change the new setting.
-- Existing servers already accept omitted, `null`, or string title fields.
-- The protocol version should not need to change because this is a client-side reduction of optional payload fields.
-- Older clients in the same room will keep behaving as before.
-
-## Implementation Notes
-
-- Centralize outgoing title filtering in `extension/background.js`.
-- Store the option in `chrome.storage.local`, not `chrome.storage.sync`.
-- Use the existing episode extraction helper logic for episode-only mode.
-- In hidden mode, actively send `null` for title fields so stale titles are cleared server-side.
-- Episode lobby payloads must not leak full titles when privacy mode is hidden.
-
-## Verification
-
-- Run the existing verification script.
-- Add focused tests for title privacy helpers if the code shape allows it.
-- Manually inspect the popup settings layout after adding the select control.