refactor(tui): remove core loading, delegate to aigpt MCP

src/tui.rs

@@ -683,29 +683,18 @@ fn load_identity_context() -> String {
         "[identity]\nuser: {user_handle}\nyou: {bot_handle} ({bot_did})\nnetwork: {network}\n\n"
     ));
 
-    // Core personality: read directly from atproto record
-    // aigpt MCP also injects this via instructions, but direct read is more reliable at startup
+    // Core personality: handled by aigpt MCP (instructions = core + memory)
+    // aishell only provides identity + chat context
+
+    // Recent chat
     let bot_path = config["bot"]["path"].as_str().unwrap_or("");
     let expanded = expand_tilde(bot_path);
     let base = if expanded.is_empty() {
         format!("{}/ai.syui.log/at", crate::config::config_dir())
     } else {
-        expanded.clone()
+        expanded
     };
-    let core_path = format!("{}/{bot_did}/ai.syui.gpt.core/self.json", base);
-    if let Ok(content) = std::fs::read_to_string(&core_path) {
-        if let Ok(record) = serde_json::from_str::<serde_json::Value>(&content) {
-            if let Some(text) = record["value"]["content"]["text"].as_str() {
-                if !text.is_empty() {
-                    let short: String = text.chars().take(500).collect();
-                    ctx.push_str(&format!("[core]\n{short}\n\n"));
-                }
-            }
-        }
-    }
-
-    // Recent chat (reuse base from core path)
-    let chat_dir = format!("{}/{bot_did}/ai.syui.log.chat", base);
+    let chat_dir = format!("{base}/{bot_did}/ai.syui.log.chat");
     let user_did = config["did"].as_str().unwrap_or("");
     let user_chat_dir = format!("{base}/{user_did}/ai.syui.log.chat");