Implement a custom splash screen

README.md

@@ -69,6 +69,7 @@ You can play this game on [Itch.io](https://ikostan.itch.io/sky-lock-assault)
 7. [Signing Setup for GitHub Desktop](/files/docs/Signing_Setup_GitHub_Desktop.md)
 8. BOTS:
    - [Dependabot](https://docs.github.com/en/code-security/dependabot)
+   - [Coderabbit AI](https://github.com/coderabbitai)
    - [Snyk](https://docs.snyk.io/)
    - [Sourcery AI](https://docs.sourcery.ai/)
    - [CodeRabbit AI](https://github.com/coderabbitai)
@@ -207,26 +208,70 @@ these GPL requirements, a separate license is available upon request.
   - Version tagging in CI/CD – Issue #285.
   - Dynamic speed bar color changes (partially merged in PR #275/#288,
     but full threshold logic ongoing) – Issue #286.
+  - Improve input mappings with conflict handling and unbound warnings:
+    - Conflict detection + confirmation dialog when assigning already-used inputs.
+    - Per-device tracking, last-used device persistence, and device-aware
+      remap prompts.
+    - HUD warnings for unbound critical controls during gameplay.
+    - Support opening key-mapping menu directly from other menus.
+    - Expanded tests for input remap and settings behaviors.
+  - Ensure menu navigation bindings & legacy input migration:
+    - Guaranteed binding of core navigation actions (ui_accept, ui_up, etc.).
+    - Initial focus management for gameplay/options menus and restored focus flows.
+    - Improved keyboard/gamepad input label generation and legacy config migration.
+    - Updated default gamepad throttle mappings to match expectations.
+    - Expanded test coverage around menu navigation and input handling.
+  - Enable keyboard & d-pad navigation for audio settings and key mappings:
+    - Full keyboard + gamepad navigation support for audio settings.
+    - Focus highlighting on volume rows and unified accept action for slider/toggle.
+    - Better modifier key handling (Ctrl/Shift/Alt/Meta) in remapping UI.
+    - Refined conflict handling in key remapping logic and focus restoration
+      from audio → main menu.
+    - CI/tooling version bumps and asset import config additions.
+
+---
+
+## Milestones
+
+## Input & Navigation Improvements (Milestone 12)
+
+Milestone 12 focused on making the game more navigable and responsive
+to user input devices:
+
+### Input Remapping
+- Conflict detection dialog when assigning existing bindings
+- Per-device last input selection persists between sessions
+- Critical control warnings if actions are unbound
+- Remap menu accessible from all relevant UI paths
+
+### Menu Navigation
+- Keyboard + gamepad (D-Pad) support for all menu flows
+- Guaranteed core navigation actions remain bound
+- Focus restoration when leaving submenus (Audio → Options → Main)
+- Modifier key respect (Ctrl/Shift/Alt/Meta) in remapping UI
+
+### Audio Settings Controls
+- Use keyboard/gamepad accept action for sliders and toggles
+- Focus highlighting for better visual feedback
+- Unified UI interactions without relying on the mouse
+
+### Godot Resource Migration
+- Replaced hard-coded globals with a `GameSettingsResource`
+- Easier inspector-based editing and persistence
+- Safer loading with fallback on corrupted configs
+
+### Known Limitations
+
+* Some complex menu flows may still rely on mouse until additional
+  focus neighbors are defined.
+* Modifier-aware remapping requires explicit key+modifier press for
+  unique bindings.
 
-- **Planned (Milestone 9: Expansions and Polish)**:
-  - Mobile exports (Android/iOS) with touch controls and
-    optimizations – Issues #35, #41, #43.
-  - Multiplayer (co-op/competitive) using Godot's High-Level Multiplayer API,
-    with security/testing – Issues #34, #36, #42.
-  - AI enemies with pathfinding (NavigationServer) and behavior
-    trees – Issues #40, #44.
-  - Refactor fuel/speed dictionaries to dedicated StatManager class – Issue #276.
-  - Add signals for fuel, speed, and weapons in player.gd – Issues #278, #279, #280.
-  - Convert hard-coded fuel elements to Godot Resources – Issue #281.
-  - Multi-level progression with scenes – Issue #21.
-  - Optimize performance (e.g., web-specific) – Issues #27, #37.
-  - Asset management/polish, bug fixes, feedback
-    guides – Issues #29, #31, #33, #38, #86, #90.
-  - Audio enhancements (e.g., refactor duplicated SFX volume logic) – Issue #267.
-  - Particle effects for explosions/weapons.
 
 Track progress via [Milestones](https://github.com/ikostan/SkyLockAssault/milestones).
 
+---
+
 ### Known Issues
 
 - Harmless console warning on desktop fullscreen

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