Fix documentation: UIState fields moved from RenderState

docs/planning/rendering-cleanup-plan.md

@@ -77,7 +77,7 @@ Remove all spacecraft texture-related code:
 - Replace magic numbers in `draw_child_indicator()` function
 - **PAUSE** for user review
 
-### Step 8: Fix Documentation Inconsistency
+### Step 8: Fix Documentation Inconsistency [COMPLETED]
 - Update docs/rendering.md line 16 to reflect that `selected_craft_index` is in UIState, not RenderState
 - Update any other documentation that references this field location
 - **PAUSE** for user review

docs/rendering.md

@@ -12,12 +12,20 @@ struct RenderState {
     double distance_scale;        // Scale factor for distances
     double size_scale;            // Scale factor for body sizes
     int selected_body_index;      // -1 = no selection
-    int selected_craft_index;     // -1 = no selection
-    int last_target_index;        // Tracks body or craft index (negative = spacecraft)
+    bool camera_target_enabled;   // Whether camera follows selected body
+    Vector3 camera_offset;        // Offset from target when following body
+    int last_target_index;        // Tracks body index for change detection
+    Texture2D maneuver_textures[6]; // One per burn direction
+    bool texture_loaded;
+};
+```
+
+### UIState (ui_renderer.h)
+```cpp
+struct UIState {
     int body_list_scroll;         // Scroll position for body list
     int body_list_active;         // Active item index in body list
-    bool camera_target_enabled;   // Whether camera follows selected body/craft
-    Vector3 camera_offset;        // Offset from target when following body
+    int selected_craft_index;     // Selected spacecraft index (-1 = no selection)
 };
 ```
 

docs/technical_reference.md

@@ -406,9 +406,10 @@ Raygui-based UI system for rendering interactive panels. Handles all 2D overlay
 - `render_body_info_ui()` - Top-right panel showing selected object details
 - `render_maneuver_list_ui()` - Maneuver list panel for spacecraft planning
 
-**UI State:**
+**UI State (UIState struct):**
 - `body_list_scroll` - Scroll position for objects list
-- `body_list_active` - Currently selected item index
+- `body_list_active` - Currently selected item index in body list
+- `selected_craft_index` - Selected spacecraft index (-1 = no selection)
 
 **Implementation:**
 - Uses raygui header-only library