diff --git a/project_history.toml b/project_history.toml
index 32a74196..f47db93d 100644
--- a/project_history.toml
+++ b/project_history.toml
@@ -9,5 +9,5 @@ active = "main"
 
 [discussions.main]
 git_commit = ""
-last_updated = "2026-06-12T21:51:33"
+last_updated = "2026-06-12T21:52:14"
 history = []
diff --git a/src/gui_2.py b/src/gui_2.py
index bc1ea556..a460bfc1 100644
--- a/src/gui_2.py
+++ b/src/gui_2.py
@@ -310,8 +310,6 @@ class App:
 
   SSDL Shape:
     `[I:init_controller] -> [I:init_workspace] -> [I:load_profiles]`
-
-  [C: src/mcp_client.py:_DDGParser.__init__, src/mcp_client.py:_TextExtractor.__init__]
   """
   # --- Core Dependencies & State ---
   from src.startup_profiler import startup_profiler
@@ -2174,6 +2172,15 @@ def render_log_management(app: App) -> None:
 #region: Project Management
 
 def render_project_settings_hub(app: App) -> None:
+ """
+ Renders the Project Settings Hub containing tabs for project lists and paths.
+
+ State Mutations:
+   None directly (delegated to sub-panels).
+
+ SSDL Shape:
+   `[I] -> [B:tabs] => [I:sub-panel]`
+ """
  with imscope.tab_bar('context_hub_tabs'):
   with imscope.tab_item('Projects') as (exp, _):
    if exp: render_projects_panel(app)
@@ -2181,6 +2188,23 @@ def render_project_settings_hub(app: App) -> None:
    if exp: render_paths_panel(app)
 
 def render_projects_panel(app: App) -> None:
+ """
+ Renders the project configuration panel. Allows setting execution mode,
+ repository path, output directory, managing projects, and layout wrapping/scrolling behavior.
+
+ State Mutations:
+   app.ui_project_execution_mode
+   app.ui_project_git_dir
+   app.ui_output_dir
+   app.ui_project_conductor_dir
+   app.project_paths
+   app.ui_word_wrap
+   app.ui_auto_scroll_comms
+   app.ui_auto_scroll_tool_calls
+
+ SSDL Shape:
+   `[I:active_project] -> [B:execution_mode] -> [B:directories] -> [I:project_files] -> [B:project_actions] -> [B:toggles]`
+ """
  if app.perf_profiling_enabled: app.perf_monitor.start_component("_render_projects_panel")
  proj_name = app.project.get("project", {}).get("name", Path(app.active_project_path).stem)
  imgui.text_colored(C_IN(), f"Active: {proj_name}")
@@ -2334,6 +2358,16 @@ def render_ai_settings_hub(app: App) -> None:
  render_agent_tools_panel(app)
 
 def render_rag_panel(app: App) -> None:
+ """
+ Renders RAG configuration panel, exposing switches, provider selection, chunking parameters,
+ and index rebuild triggers.
+
+ State Mutations:
+   app.controller.rag_config (provider, embedding, chunk size, overlap)
+
+ SSDL Shape:
+   `[I:config] -> [B:rag_switch] -> [B:combo_selectors] -> [B:chunking_inputs] => [B:rebuild_index]`
+ """
  conf = app.controller.rag_config
  if not conf: return
  ch, conf.enabled = imgui.checkbox("Enable RAG", conf.enabled)
@@ -2371,6 +2405,19 @@ def render_rag_panel(app: App) -> None:
  if imgui.button("Rebuild Index"): app.controller.event_queue.put('click', 'btn_rebuild_rag_index')
 
 def render_system_prompts_panel(app: App) -> None:
+ """
+ Renders the System Prompts panel, exposing global and project-specific prompt selection,
+ editing boxes, base prompt defaults, and diff comparisons.
+
+ State Mutations:
+   app.controller.ui_global_preset_name, app.controller.ui_project_preset_name
+   app.ui_global_system_prompt, app.ui_project_system_prompt
+   app.ui_base_system_prompt, app.ui_use_default_base_prompt
+   app.show_preset_manager_window (to open modal)
+
+ SSDL Shape:
+   `[I:presets] -> [B:global_preset] -> [B:base_preset_customizer] -> [B:project_preset]`
+ """
  imgui.text("Global System Prompt (all projects)")
  preset_names = sorted(app.controller.presets.keys())
  current_global = app.controller.ui_global_preset_name or "Select Preset..."
@@ -2503,6 +2550,18 @@ def render_agent_tools_panel(app: App) -> None:
      imgui.tree_pop()
 
 def render_provider_panel(app: App) -> None:
+ """
+ Renders the LLM provider configuration panel. Allows selection of API providers,
+ active models, hyper-parameters (temperature, max tokens, Top-P), history limits, and Gemini CLI binaries.
+
+ State Mutations:
+   app.current_provider, app.current_model
+   app.temperature, app.max_tokens, app.top_p, app.history_trunc_limit
+   app.ui_gemini_cli_path
+
+ SSDL Shape:
+   `[I:providers] -> [B:provider_combo] -> [B:model_listbox] -> [B:parameters_sliders] => [B:cli_path_browse]`
+ """
  if app.perf_profiling_enabled: app.perf_monitor.start_component("_render_provider_panel")
  imgui.text("Provider")
  if imgui.begin_combo("##prov", app.current_provider):
@@ -2581,6 +2640,22 @@ def render_provider_panel(app: App) -> None:
  if app.perf_profiling_enabled: app.perf_monitor.end_component("_render_provider_panel")
 
 def render_persona_selector_panel(app: App) -> None:
+ """
+ Renders the Persona Selection panel. Allows selecting profiles, editing persona definitions,
+ overriding system parameters (models, presets, prompts, bias profiles) and loading preset contexts.
+
+ State Mutations:
+   app.ui_active_persona, app._editing_persona_name, app._editing_persona_system_prompt,
+   app._editing_persona_tool_preset_id, app._editing_persona_bias_profile_id,
+   app._editing_persona_context_preset_id, app._editing_persona_aggregation_strategy,
+   app._editing_persona_preferred_models_list, app._editing_persona_is_new,
+   app.current_provider, app.current_model, app.temperature, app.max_tokens,
+   app.history_trunc_limit, app.ui_project_system_prompt, app.ui_active_tool_preset,
+   app.ui_active_bias_profile, app.ui_active_context_preset, app.show_persona_editor_window
+
+ SSDL Shape:
+   `[I:personas] -> [B:persona_combo] => [B:manage_personas]`
+ """
  if app.perf_profiling_enabled: app.perf_monitor.start_component("_render_persona_selector_panel")
  imgui.text("Persona")
  if not hasattr(app, 'ui_active_persona'): app.ui_active_persona = ""