From f2f73d17f7db8b16fd650d3b7e4db2a24bc799af Mon Sep 17 00:00:00 2001
From: Andrew Joslin <andrew@ajoslin.com>
Date: Fri, 19 Dec 2025 18:36:14 -0800
Subject: [PATCH] fix: skip keyword injection on first message for correct
 session titles (#125)

---
 src/hooks/keyword-detector/index.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/hooks/keyword-detector/index.ts b/src/hooks/keyword-detector/index.ts
index d3f2deb..4b57796 100644
--- a/src/hooks/keyword-detector/index.ts
+++ b/src/hooks/keyword-detector/index.ts
@@ -6,6 +6,8 @@ export * from "./detector"
 export * from "./constants"
 export * from "./types"
 
+const sessionFirstMessageProcessed = new Set<string>()
+
 export function createKeywordDetectorHook() {
   return {
     "chat.message": async (
@@ -20,6 +22,14 @@ export function createKeywordDetectorHook() {
         parts: Array<{ type: string; text?: string; [key: string]: unknown }>
       }
     ): Promise<void> => {
+      const isFirstMessage = !sessionFirstMessageProcessed.has(input.sessionID)
+      sessionFirstMessageProcessed.add(input.sessionID)
+
+      if (isFirstMessage) {
+        log("Skipping keyword detection on first message for title generation", { sessionID: input.sessionID })
+        return
+      }
+
       const promptText = extractPromptText(output.parts)
       const messages = detectKeywords(promptText)