fix(tui): clarify inline subagent rows (#30051)

packages/opencode/test/cli/tui/__snapshots__/inline-tool-wrap-snapshot.test.tsx.snap

@@ -52,3 +52,21 @@ exports[`TUI inline tool wrapping keeps separation after a padded user message 1
    ✱ Grep "export const OPENCODE_DB|OPENCODE_DB|OPENCODE_DEV|Global\\.
      Path\\.data|data =" in packages/opencode/src (115 matches)"
 `;
+
+exports[`TUI inline tool wrapping separates a contiguous subagent group from inline tools 1`] = `
+"   ✱ Grep "Task" (2 matches)
+
+   ⠙ Explore Task — Inspect active task spacing
+   ✓ General Task — Confirm completed task spacing
+     ↳ 1 toolcall · 501ms
+
+   → Read src/cli/cmd/tui/routes/session/index.tsx"
+`;
+
+exports[`TUI inline tool wrapping separates a subagent group after an expanded read 1`] = `
+"   → Read src/cli/cmd/tui/routes/session/index.tsx
+   ↳ Loaded src/cli/cmd/tui/routes/session/tools.tsx
+
+   ✓ Explore Task — Inspect active task spacing
+     ↳ 1 toolcall · 501ms"
+`;