feat(maestro): keep agent text visible, collapse only tool calls

Agent text and thought rows stay outside the collapsed tool group as
standalone transcript items instead of being absorbed into it.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docs/STRUCTURED-VIEW.md

@@ -190,19 +190,13 @@ choices, not daemon ones.
   from the transcript; the TUI may show the current plan in its status line,
   while the web client deliberately has no stats or plan rail.
 - The web client groups two or more tool rows after the same `User` row into
-  one collapsed turn activity block. `AgentText` and `AgentThought` rows that
-  appear *between* tool rows in the same turn are absorbed into the group
-  (intermediate narration); the last `AgentText` with no subsequent tool stays
-  outside as the prominent final answer. While a turn is still active
-  (responding or thinking), the most recent trailing text or thought row is
-  kept outside as visible narration — the operator always sees the agent's
-  latest reasoning without opening the group. It is replaced by the next text
-  row when one arrives, and absorbed into the group when the turn ends (unless
-  it is `AgentText`, which stays outside as the final answer). The collapsed
-  header reads "N tool calls · Label 'arg'" where the label and argument come
-  from the last tool row's `splitToolTitle` — the operator sees which command
-  is current at a glance. Opening the group reveals tools and intermediate
-  text in chronological order, with the text rendered in a subdued style.
+  one collapsed turn activity block. `AgentText` and `AgentThought` rows stay
+  outside the group as standalone transcript items — the operator sees all
+  reasoning without expanding. Resolved approval rows between tools are
+  absorbed into the group. The collapsed header reads "N tool calls · Label
+  'arg'" where the label and argument come from the last tool row's
+  `splitToolTitle` — the operator sees which command is current at a glance.
+  Opening the group reveals tool rows in chronological order.
 - The web client's user, agent, thought, tool-detail, and notice text blocks
   copy their complete source text when clicked or keyboard-activated.
 - The web client consumes `available_commands_update` notices as the live