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fix(workspace): close the sealed-switch privacy race, restore the parked filter

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Two findings from the workspace persona review, both rated high:

* Switch race: the hub client re-pointed at a sealed area's hub
  before the workspace announced the sealed context, so the 2 s
  page pollers (runs, audit) could fetch and render that hub's
  data without the sealed marking. Switches now run inside an
  explicit switching window: opened before anything touches the
  connection, announced optimistically in the identity bar
  ("switching…" + spinner, leave button hidden), pollers and the
  shell health tick pause inside it, and pages drop replies whose
  context epoch changed mid-flight. The sealed context is
  announced only after the new hub answered healthy.

* Filter loss: entering a sealed area cleared the shared-hub
  project filter and returning restored only the endpoint. The
  filter is now parked on entry and restored on return; prefs
  keep the parked value throughout, so live state and prefs agree
  after the round trip (and after a mid-session relaunch).

Guard: workspace_switch_race_test pins both invariants
state-matrix-style against scripted hub + sealed-area fakes —
reconnects may only happen inside an open switch window, pollers
must stay silent inside it, and the filter must survive the round
trip. SealedAreaService gained a debugSetInstance seam so the
suite never scans a real ~/.chain.

Signed-off-by: flemming-it <stefan.a.flemming@googlemail.com>
This commit is contained in:
flemming-it 2026-08-27 23:48:03 +02:00
parent 906290f445
commit afe782e826
13 changed files with 480 additions and 52 deletions
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6
lib/l10n/app_localizations.dart
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@ -5977,6 +5977,12 @@ abstract class AppLocalizations {
/// **'Sealed area — isolated hub, own data and audit chain'**
String get sealedIdentityBar;
/// No description provided for @sealedSwitchingBar.
///
/// In en, this message translates to:
/// **'Switching connection — data appears once the switch completes'**
String get sealedSwitchingBar;
/// No description provided for @sealedLeave.
///
/// In en, this message translates to: