Schema: Don't accept omitted [] after all in [modify_ai] paths

data/schema/game_config.cfg

@@ -266,33 +266,22 @@
     [/type]
     [type]
         name="ai_modify_path"
-        # This only does some very basic validation and accepts quite a few invalid values.
-        # For example, only aspect[recruitment_instructions] can have a .recruit or .limit suffix.
         [union]
-            # Toplevel components without index
-            # Aspect isn't really useful here but I guess is technically valid
-            [type]
-                value="aspect|goal|stage"
-            [/type]
-            # Toplevel components with index
+            # Toplevel components
             [type]
                 value="(aspect|goal|stage)\[[^\]]*\]"
             [/type]
-            # Facets without index
-            [type]
-                value="aspect\[[^\]]*\](\.facet\[[^\]]*\])*\.facet"
-            [/type]
-            # Facets with index
+            # Facets
             [type]
                 value="aspect\[[^\]]*\](\.facet\[[^\]]*\])+"
             [/type]
-            # Recruitment jobs with optional index
+            # Recruitment jobs
             [type]
-                value="aspect\[[^\]]*\](\.facet\[[^\]]*\])+\.(recruit|limit)(\[[^\]]*\])?"
+                value="aspect\[\s*recruitment_instructions\s*]*\](\.facet\[[^\]]*\])+\.(recruit|limit)\[[^\]]*\]"
             [/type]
-            # Candidate actions with optional index
+            # Candidate actions
             [type]
-                value="stage\[[^\]]*\]\.candidate_action(\[[^\]]*\])?"
+                value="stage\[[^\]]*\]\.candidate_action\[[^\]]*\]"
             [/type]
         [/union]
     [/type]