Remove postinstall script and update user message for first-time setup in hooks

src/hooks/user-message-hook.ts

@@ -6,39 +6,9 @@
  * has been loaded into their session. Uses stderr as the communication channel
  * since it's currently the only way to display messages in Claude Code UI.
  */
-import { join, basename } from "path";
-import { homedir } from "os";
-import { existsSync } from "fs";
+import { basename } from "path";
 import { ensureWorkerRunning, getWorkerPort } from "../shared/worker-utils.js";
 
-// Check if first-run marker exists - if not, this is first run
-const pluginDir = join(homedir(), '.claude', 'plugins', 'marketplaces', 'thedotmack');
-const firstRunMarker = join(pluginDir, '.first-run-complete');
-
-if (!existsSync(firstRunMarker)) {
-  // First-time installation - setup not yet complete
-  console.error(`
----
-🎉  Note: This appears under Plugin Hook Error, but it's not an error. That's the only option for
-   user messages in Claude Code UI until a better method is provided.
----
-
-⚠️  Claude-Mem: First-Time Setup
-
-Dependencies have been installed in the background. This only happens once.
-
-💡 TIPS:
-   • Memories will start generating while you work
-   • Use /init to write or update your CLAUDE.md for better project context
-   • Try /clear after one session to see what context looks like
-
-Thank you for installing Claude-Mem!
-
-This message was not added to your startup context, so you can continue working as normal.
-`);
-  process.exit(3);
-}
-
 try {
   // Ensure worker is running
   await ensureWorkerRunning();
@@ -111,7 +81,26 @@ try {
   );
 
 } catch (error) {
-  console.error(`❌ Failed to load context display: ${error}`);
+  // Context not available yet - likely first run or worker starting up
+  console.error(`
+---
+🎉  Note: This appears under Plugin Hook Error, but it's not an error. That's the only option for
+   user messages in Claude Code UI until a better method is provided.
+---
+
+⚠️  Claude-Mem: First-Time Setup
+
+Dependencies are installing in the background. This only happens once.
+
+💡 TIPS:
+   • Memories will start generating while you work
+   • Use /init to write or update your CLAUDE.md for better project context
+   • Try /clear after one session to see what context looks like
+
+Thank you for installing Claude-Mem!
+
+This message was not added to your startup context, so you can continue working as normal.
+`);
 }
 
 process.exit(3);