Files
OwnCord/Server
Claude 8c590c0b6d fix(server): harden private-channel visibility propagation
Three review findings on the #93 feature:

- RefreshChannelVisibility targeted clients by their connect-time role
  snapshot; a user whose role changed mid-session was evaluated against the
  stale role. Resolve the current role from the DB per client (fail closed).
- Visibility updates are targeted, unsequenced messages, so a client that
  disconnected before an override change and later resumed via replay never
  converged (stale sidebar until a fresh connect). Track a visibility-change
  sequence watermark and force resumes from at/before it onto the
  full-ready path.
- The admin SPA interpolated channel/user names into single-quoted JS
  strings inside onclick attributes with HTML-escaping only; a name
  containing a quote broke out of the string literal (XSS in the admin
  panel, reachable by any user allowed to create channels). Add a jsq()
  helper (JS-escape then HTML-escape) and use it for every onclick name
  interpolation.

Follow-up to #93.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LwtnpHAoSFr1ZibQgQkNQK
2026-07-19 11:20:15 +00:00
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