Simplify character dossier fields, add ShowPronouns setting

Collapse Want/Need into Motivation and Internal/External Conflict into
Conflict, drop Arc summary field, and move tags below open questions on
the character page. Gate Pronouns display behind new UiSettings:ShowPronouns
config (default off).

src/Novelly.Api/Agent/NovelAgentToolset.cs

@@ -146,11 +146,8 @@ public class NovelAgentToolset(
                 JsonInput.String(input, "appearance"),
                 JsonInput.String(input, "personality"),
                 JsonInput.String(input, "backstory"),
-                JsonInput.String(input, "want"),
-                JsonInput.String(input, "need"),
-                JsonInput.String(input, "internal_conflict"),
-                JsonInput.String(input, "external_conflict"),
-                JsonInput.String(input, "arc_summary"),
+                JsonInput.String(input, "motivation"),
+                JsonInput.String(input, "conflict"),
                 JsonInput.String(input, "voice"),
                 JsonInput.String(input, "notes"),
                 JsonInput.Strings(input, "tags"),
@@ -177,11 +174,8 @@ public class NovelAgentToolset(
                         JsonInput.String(input, "appearance"),
                         JsonInput.String(input, "personality"),
                         JsonInput.String(input, "backstory"),
-                        JsonInput.String(input, "want"),
-                        JsonInput.String(input, "need"),
-                        JsonInput.String(input, "internal_conflict"),
-                        JsonInput.String(input, "external_conflict"),
-                        JsonInput.String(input, "arc_summary"),
+                        JsonInput.String(input, "motivation"),
+                        JsonInput.String(input, "conflict"),
                         JsonInput.String(input, "voice"),
                         JsonInput.String(input, "notes"),
                         JsonInput.Strings(input, "tags"),
@@ -667,11 +661,8 @@ public class NovelAgentToolset(
             .Str("appearance", "How they look.")
             .Str("personality", "Temperament, habits, how they treat people.")
             .Str("backstory", "History that shapes who they are now.")
-            .Str("want", "What they consciously pursue.")
-            .Str("need", "What they actually need, usually at odds with what they want.")
-            .Str("internal_conflict", "The war inside them.")
-            .Str("external_conflict", "What in the world opposes them.")
-            .Str("arc_summary", "How they change over the course of the book.")
+            .Str("motivation", "What they consciously pursue, weighed against what they actually need.")
+            .Str("conflict", "The war inside them and what in the world opposes them.")
             .Str("voice", "Speech patterns and register that make their dialogue theirs.")
             .Str("notes", "Anything else worth recording.")
             .StringArray("tags", "Tags for cross-referencing. Replaces the existing tags.")