Release v4.3.3: Configurable session display and first-time setup UX

Improvements:
- Made session display count configurable (DISPLAY_SESSION_COUNT = 8)
- Added first-time setup detection with helpful user messaging
- Improved UX: First install message clarifies Plugin Hook Error display
- Cleaned up code comments

Technical changes:
- Updated src/hooks/context-hook.ts (configurable session count)
- Updated src/hooks/user-message-hook.ts (first-time setup detection)
- Rebuilt plugin/scripts/context-hook.js
- Rebuilt plugin/scripts/user-message-hook.js
- Bumped version to 4.3.3 in all metadata files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/hooks/context-hook.ts

@@ -1,6 +1,6 @@
 /**
  * Context Hook - SessionStart
- * Consolidated entry point + logic (no try-catch bullshit)
+ * Consolidated entry point + logic
  */
 
 import path from 'path';
@@ -8,6 +8,9 @@ import { stdin } from 'process';
 import { SessionStore } from '../services/sqlite/SessionStore.js';
 import { ensureWorkerRunning } from '../shared/worker-utils.js';
 
+// Configuration: Number of sessions to display in context
+const DISPLAY_SESSION_COUNT = 8;
+
 export interface SessionStartInput {
   session_id?: string;
   transcript_path?: string;
@@ -128,14 +131,14 @@ function contextHook(input?: SessionStartInput, useColors: boolean = false, useI
 
   const db = new SessionStore();
 
-  // Get last 4 summaries (use 4th for offset calculation)
+  // Get last N summaries (use N+1 for offset calculation)
   const recentSummaries = db.db.prepare(`
     SELECT id, sdk_session_id, request, completed, next_steps, created_at, created_at_epoch
     FROM session_summaries
     WHERE project = ?
     ORDER BY created_at_epoch DESC
-    LIMIT 4
-  `).all(project) as Array<{ id: number; sdk_session_id: string; request: string | null; completed: string | null; next_steps: string | null; created_at: string; created_at_epoch: number }>;
+    LIMIT ?
+  `).all(project, DISPLAY_SESSION_COUNT + 1) as Array<{ id: number; sdk_session_id: string; request: string | null; completed: string | null; next_steps: string | null; created_at: string; created_at_epoch: number }>;
 
   if (recentSummaries.length === 0) {
     db.close();
@@ -145,8 +148,8 @@ function contextHook(input?: SessionStartInput, useColors: boolean = false, useI
     return `# [${project}] recent context\n\nNo previous sessions found for this project yet.`;
   }
 
-  // Extract unique session IDs from first 3 summaries
-  const displaySummaries = recentSummaries.slice(0, 3);
+  // Extract unique session IDs from first N summaries
+  const displaySummaries = recentSummaries.slice(0, DISPLAY_SESSION_COUNT);
   const sessionIds = [...new Set(displaySummaries.map(s => s.sdk_session_id))];
 
   // Get all observations from these sessions

src/hooks/user-message-hook.ts

@@ -9,6 +9,35 @@
 import { execSync } from "child_process";
 import { join } from "path";
 import { homedir } from "os";
+import { existsSync } from "fs";
+
+// Check if node_modules exists - if not, this is first run
+const pluginDir = join(homedir(), '.claude', 'plugins', 'marketplaces', 'thedotmack');
+const nodeModulesPath = join(pluginDir, 'node_modules');
+
+if (!existsSync(nodeModulesPath)) {
+  // First-time installation - dependencies not yet installed
+  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 {
   // Cross-platform path to context-hook.js in the installed plugin