Unity Timeline Interaction System Integration (#17)

- Added InteractionTimelineAction component for timeline-driven interactions
- Implemented custom editor for timeline event mapping
- Updated interaction event flow to support timeline actions
- Enhanced character move target configuration
- Improved inspector UI for interactable components
- Added technical documentation for interaction system
- Refactored interaction action base classes for extensibility
- Fixed issues with character binding in timelines

Co-authored-by: Michal Pikulski <michal@foolhardyhorizons.com>
Co-authored-by: Michal Pikulski <michal.a.pikulski@gmail.com>
Reviewed-on: #17

Assets/Scripts/PuzzleS/PuzzleManager.cs

@@ -198,16 +198,36 @@ namespace PuzzleS
         }
 
         /// <summary>
-        /// Unlocks all initial steps (those with no dependencies).
+        /// Unlocks all initial steps (those with no dependencies) and any steps whose dependencies are already met.
         /// </summary>
         private void UnlockInitialSteps()
         {
+            // First, unlock all steps with no dependencies (initial steps)
             var initialSteps = PuzzleGraphUtility.FindInitialSteps(_runtimeDependencies);
             foreach (var step in initialSteps)
             {
                 Debug.Log($"[Puzzles] Initial step unlocked: {step.stepId}");
                 UnlockStep(step);
             }
+            
+            // Keep trying to unlock steps as long as we're making progress
+            bool madeProgress;
+            do
+            {
+                madeProgress = false;
+                
+                // Check all steps that haven't been unlocked yet
+                foreach (var step in _runtimeDependencies.Keys.Where(s => !_unlockedSteps.Contains(s)))
+                {
+                    // Check if all dependencies have been completed
+                    if (AreRuntimeDependenciesMet(step))
+                    {
+                        Debug.Log($"[Puzzles] Chain step unlocked: {step.stepId}");
+                        UnlockStep(step);
+                        madeProgress = true;
+                    }
+                }
+            } while (madeProgress);
         }
 
         /// <summary>