v0.1.17: replace persona library with juxtaposed characters, add custom persona support

server/hooks.go

@@ -191,18 +191,21 @@ func (p *Plugin) MessageHasBeenPosted(c *plugin.Context, post *model.Post) {
     }
 
     // Prepend the persona system prompt to set the bot's character.
-    // Priority: KV override > CustomPersona config > Persona dropdown config
+    // Priority: KV override > dropdown selection
+    //   If dropdown = "custom" → use CustomPersona textarea field
+    //   Otherwise → resolve from personaLibrary
     persona := p.GetPersonaOverride(post.UserId, post.ChannelId)
     persona = resolvePersona(persona)
     if persona == "" {
-        persona = cfg.CustomPersona
-    }
-    if persona == "" {
-        persona = resolvePersona(cfg.Persona)
-    }
-    // If still empty and the config has a value, use it as-is (legacy fallback).
-    if persona == "" && cfg.Persona != "" {
-        persona = cfg.Persona
+        if cfg.Persona == "custom" {
+            persona = cfg.CustomPersona
+        } else {
+            persona = resolvePersona(cfg.Persona)
+            // If resolvePersona returned empty but a value was set, use it as-is (legacy fallback).
+            if persona == "" && cfg.Persona != "" {
+                persona = cfg.Persona
+            }
+        }
     }
     systemPrompt := ""
     if persona != "" {