fable

nodejs/controller/ai/providers/gemini.js

@@ -99,6 +99,15 @@ class GeminiProvider {
 
 	setPrompt(prompt) {
 		this.config.prompt = prompt;
+		// The live session carries the prompt as its first history entry —
+		// update it in place so prompt changes (memory refresh, personality
+		// swaps) apply without restarting the session
+		try {
+			const history = this.session?.params?.history;
+			if (history && history[0] && history[0].role === 'user') {
+				history[0].parts = [{ text: prompt }];
+			}
+		} catch (e) { /* session not started yet */ }
 	}
 
 	getResponse(result) {

nodejs/controller/ai/providers/ollama.js

@@ -138,6 +138,13 @@ class OllamaProvider {
 				content: rawContent
 			});
 
+			// Cap history — unbounded growth eventually overflows num_ctx,
+			// which silently truncates the system prompt (memories, tool docs)
+			const maxHistory = this.config.maxHistory || 30;
+			if (this.messages.length > maxHistory) {
+				this.messages.splice(0, this.messages.length - maxHistory);
+			}
+
 			// The text() closure strips markdown code fences so consumers
 			// (processResponse, getToolCalls) get clean content.
 			const result = {