chore(release): bump @mosaicstack/mosaic 0.0.36 -> 0.0.37

Batched release: P4 upgrade-safe migration (#590), F1 init wizard+presets (#591),
P4.1 (#593), fleet ps unmanaged sessions (#586), HB consistency fixes (#595),
orchestrator-mutable fleet add/remove (#596), Fleet Suite PRD (#588).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RMoEx7hfdFGjUiCHuN1RRi

packages/mosaic/framework/tools/fleet/test-start-agent-session.sh

@@ -32,15 +32,8 @@ MOSAIC_AGENT_COMMAND='bash --noprofile --norc -i' \
   "$START" "$AGENT"
 
 tmux -L "$SOCKET" has-session -t "=$AGENT:0.0" || fail "agent session was not created"
-# Retry: pane_current_path briefly reflects the tmux server's cwd until the pane
+actual_dir=$(tmux -L "$SOCKET" display-message -p -t "=$AGENT:0.0" '#{pane_current_path}')
-# process establishes its own cwd (the -c start dir). Poll until it settles.
+[ "$actual_dir" = "$WORKDIR" ] || fail "agent workdir mismatch: $actual_dir"
-actual_dir=""
-for _ in $(seq 1 30); do
-  actual_dir=$(tmux -L "$SOCKET" display-message -p -t "=$AGENT:0.0" '#{pane_current_path}')
-  [ "$actual_dir" = "$WORKDIR" ] && break
-  sleep 0.1
-done
-[ "$actual_dir" = "$WORKDIR" ] || fail "agent workdir mismatch: $actual_dir (expected $WORKDIR)"
 
 # ── Test 2: idempotency (duplicate start prints 'already running') ─────────────
 MOSAIC_TMUX_SOCKET="$SOCKET" \

packages/mosaic/src/commands/fleet.ts

@@ -1438,19 +1438,15 @@ export function registerFleetAgentCommands(
 
       await runChecked(runner, buildAgentWatchCreateViewerCommand(agent, viewerName, socketName));
 
-      let exitCode = 0;
-      try {
       const [bin, args] = splitCommand(buildAgentWatchAttachCommand(viewerName, socketName));
-        exitCode = await iRunner(bin, args);
+      const exitCode = await iRunner(bin, args);
-      } finally {
+
-        // ALWAYS clean up the viewer session — even if attach threw or the process was
+      // Best-effort cleanup of the viewer session regardless of how the user detached.
-        // interrupted — so stale grouped *-watch-* sessions never accumulate. Errors here
+      // Errors here are intentionally suppressed — the agent session is unaffected.
-        // are intentionally suppressed; the agent session is unaffected.
       const killResult = await runner(
         ...splitCommand(buildAgentWatchKillViewerCommand(viewerName, socketName)),
       );
-        void killResult;
+      void killResult; // result is intentionally ignored
-      }
 
       if (exitCode !== 0) {
         process.exitCode = exitCode;