fix(workspace): heal browser/server active-workspace split-brain on every load

The server's active workspace is in-memory per process, so every stack
restart silently resets it to the alphabetical default while the
browser keeps its localStorage pick. loadWorkspaces only re-asserted
the pick to the server when the BROWSER's own value changed — a
persisted pick that still exists was kept locally without ever telling
the server, leaving the shell showing one tenant while domain services
scoped to another (surfaced today by the didi sign-in reloads and a
stack restart: browser said reach-edu, every backend said humain-vc).

Now the browser re-asserts whenever the server disagrees, making the
operator's persisted pick authoritative and converging the whole stack
on every page load. Workspace package typecheck clean.

Files changed:
- packages/workspace/src/state.svelte.ts

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: mpstaton

packages/workspace/src/state.svelte.ts

@@ -126,10 +126,16 @@ class AugmentItWorkspace {
       const resolved = persistedExists
         ? persisted
         : result.active_client_id ?? result.workspaces[0]?.client_id ?? null;
+      // Re-assert whenever the SERVER disagrees, not just when the browser's
+      // own pick changed. The server's active is in-memory per process, so
+      // every stack restart silently resets it to the alphabetical default
+      // while the browser keeps its persisted pick — without this, the two
+      // split-brain (browser shows one tenant, domain services scope to
+      // another) until the operator manually re-picks in the switcher.
+      if (resolved && resolved !== result.active_client_id) {
+        await this.invoke('workspace.activate', { client_id: resolved });
+      }
       if (resolved !== persisted) {
-        // Tell the server about our pick so its process-wide fallback
-        // matches what the browser will send on chat turns.
-        if (resolved) await this.invoke('workspace.activate', { client_id: resolved });
         this.setActiveClientId(resolved);
       }
       this.workspaces_status = 'ready';