fix(gui): Resolve AttributeError in imscope.indent and stabilize render loop

- Add 'indent' context manager to src/imgui_scopes.py.
- Refactor manual imgui.indent/unindent calls in src/gui_2.py to use imscope.indent.
- Fix cascading ImGui assertion failures caused by Open/Close mismatches during exceptions.
- Finalize 'Selectable Thinking Monologs' track.

conductor/tracks.md

@@ -278,5 +278,5 @@ This file tracks all major tracks for the project. Each track has its own detail
 
 ---
 
-- [~] **Track: Selectable Thinking Monologs**
+- [x] **Track: Selectable Thinking Monologs**
 *Link: [./tracks/selectable_thinking_monologs_20260601/](./tracks/selectable_thinking_monologs_20260601/)*

conductor/tracks/selectable_thinking_monologs_20260601/plan.md

@@ -11,8 +11,8 @@
     - [x] If `thinking_read_mode` is `False` (Pure mode), use `render_selectable_label(app, f"think_text_...", content, multiline=True, height=-1)` to make the text selectable and copyable.
 
 ## Phase 2: Verification
-- [ ] Task: Verification
+- [x] Task: Verification
-    - [ ] Verify that thinking traces in the Discussion Hub can be toggled between Pure and Read modes.
+    - [x] Verify that thinking traces in the Discussion Hub can be toggled between Pure and Read modes.
-    - [ ] Verify that text can be selected and copied via Ctrl+C in Pure mode.
+    - [x] Verify that text can be selected and copied via Ctrl+C in Pure mode.
-    - [ ] Verify that the change does not crash other areas rendering thinking traces (like Comms History).
+    - [x] Verify that the change does not crash other areas rendering thinking traces (like Comms History).
-- [ ] Task: Conductor - User Manual Verification 'Phase 2: Verification' (Protocol in workflow.md)
+- [x] Task: Conductor - User Manual Verification 'Phase 2: Verification' (Protocol in workflow.md)

src/gui_2.py

@@ -2517,7 +2517,7 @@ def render_persona_editor_window(app: App, is_embedded: bool = False) -> None:
       imgui.same_line(imgui.get_content_region_avail().x - 30); 
       if imgui.button("x"): to_remove.append(i)
       if is_expanded:
-       imgui.indent(20)
+       with imscope.indent(20):
         if imgui.begin_table("model_settings", 2, imgui.TableFlags_.borders_inner_v):
          imgui.table_setup_column("Label", imgui.TableColumnFlags_.width_fixed, 120); imgui.table_setup_column("Control", imgui.TableColumnFlags_.width_stretch)
          imgui.table_next_row(); imgui.table_next_column(); imgui.text("Provider:"); imgui.table_next_column(); imgui.set_next_item_width(-1)
@@ -2536,7 +2536,6 @@ def render_persona_editor_window(app: App, is_embedded: bool = False) -> None:
          imgui.table_next_row(); imgui.table_next_column(); imgui.text("Max Tokens:"); imgui.table_next_column(); imgui.set_next_item_width(-1); _, entry["max_output_tokens"] = imgui.input_int("##maxt", entry.get("max_output_tokens", 4096))
          imgui.table_next_row(); imgui.table_next_column(); imgui.text("History Limit:"); imgui.table_next_column(); imgui.set_next_item_width(-1); _, entry["history_trunc_limit"] = imgui.input_int("##hist", entry.get("history_trunc_limit", 900000))
          imgui.end_table()
-       imgui.unindent(20)
       imgui.pop_id()
      for i in reversed(to_remove): app._editing_persona_preferred_models_list.pop(i)
      imgui.end_child()
@@ -4654,7 +4653,7 @@ def render_thinking_trace(app: App, entry: dict, segments: list[dict], entry_ind
   return
  with imscope.style_color(imgui.Col_.child_bg, vec4(40, 35, 25, 180)), \
       theme.ai_text_style():
-  imgui.indent()
+  with imscope.indent():
    show_content = True
    if not is_standalone:
     header_label = f"Monologue ({len(segments)} traces)###thinking_header_{entry_index}"
@@ -4681,7 +4680,6 @@ def render_thinking_trace(app: App, entry: dict, segments: list[dict], entry_ind
        else:
         render_selectable_label(app, f"think_text_{entry_index}_{idx}", content, multiline=True, height=-1)
       imgui.separator()
-  imgui.unindent()
 
 def render_selectable_label(app: App, label: str, value: str, width: float = 0.0, multiline: bool = False, height: float = 0.0, color: Optional[imgui.ImVec4] = None) -> None:
  with imscope.id(label + str(hash(value))):

src/imgui_scopes.py

@@ -1,4 +1,5 @@
 from __future__ import annotations
+from typing import Any
 from imgui_bundle import imgui
 from imgui_bundle import imgui_node_editor
 
@@ -43,6 +44,16 @@ class _ScopeId:
   imgui.pop_id()
   return False
 
+def indent(width: float = 0.0): return _ScopeIndent(width)
+class _ScopeIndent:
+ def __init__(self, width: float):
+  self._width = width
+ def __enter__(self):
+  imgui.indent(self._width)
+ def __exit__(self, *args):
+  imgui.unindent(self._width)
+  return False
+
 def menu(label: str): return _ScopeMenu(label)
 class _ScopeMenu:
  def __init__(self, label: str):