docs: Update documentation references from v2.3 to v2.4

- Updated Bundles/Official/README.md title and release links
- Updated INSTALL.md to point to v2.4 release
- Added v2.4.0 changelog entry to Bundle README

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: danielmiessler

Bundles/Official/README.md

@@ -2,12 +2,12 @@
   <img src="pai-bundle.png" alt="The Official PAI Bundle" width="256">
 </p>
 
-# The Official PAI Bundle v2.3.0
+# The Official PAI Bundle v2.4.0
 
 > [!WARNING]
 > **This wizard creates a SKELETON directory structure only.** After running the wizard, you must manually install each pack in order (pai-hook-system → pai-core-install → etc.) to have a working system.
 >
-> **Want a complete working system immediately?** Use the [Full Release Install](../../Releases/v2.3/) instead — it includes all packs pre-configured.
+> **Want a complete working system immediately?** Use the [Full Release Install](../../Releases/v2.4/) instead — it includes all packs pre-configured.
 
 > **FOR AI AGENTS:** You are about to install the PAI bundle skeleton. Run the wizard, then install each pack in order. The wizard alone does NOT create a working system.
 
@@ -176,7 +176,7 @@ When fully installed (wizard + all required packs), the PAI bundle gives you:
 | [pai-system-skill](../../Packs/pai-system-skill/) | System maintenance |
 | [pai-telos-skill](../../Packs/pai-telos-skill/) | Life OS and goals |
 
-> **Alternative:** Use a [Full Release](../../Releases/v2.3/) which includes all 23 packs pre-configured in a complete `.claude/` directory.
+> **Alternative:** Use a [Full Release](../../Releases/v2.4/) which includes all 23 packs pre-configured in a complete `.claude/` directory.
 
 ### How to Install Packs
 
@@ -284,6 +284,15 @@ The PAI system embeds these principles from [Personal AI Infrastructure](https:/
 
 ## Changelog
 
+### 2.4.0 - 2026-01-23
+- **The Algorithm:** 7-phase problem-solving with ISC tracking for verifiable iteration
+- **29 Skills:** Up from 23, expanded domain coverage
+- **15 Hooks:** Refined hook architecture
+- **331 Workflows:** Comprehensive automation library
+- **Improved Wizard:** Renamed to PAIInstallWizard.ts, better interactive setup
+- **Voice Notifications:** ElevenLabs integration for spoken alerts
+- **Observability Dashboard:** Real-time system monitoring
+
 ### 2.3.0 - 2026-01-15
 - **Full Releases Return:** Added Releases/v2.3/ with complete .claude directory
 - **23 Packs Total:** 5 infrastructure + 18 skill packs

INSTALL.md

@@ -85,7 +85,7 @@ PAI offers three installation paths. Explain each and help them choose:
 >
 > Best for: First-time users, fresh setups, or when you want PAI working immediately.
 >
-> [See Releases/v2.3/README.md](Releases/v2.3/README.md)
+> [See Releases/v2.4/README.md](Releases/v2.4/README.md)
 
 **Option B: Bundle + Manual Packs**
 > The Bundle wizard creates a skeleton directory structure. You then install each pack manually in order. This gives you understanding of how the system is built.
@@ -188,7 +188,7 @@ If you prefer to install PAI yourself without AI assistance:
 ```bash
 # Clone the repository
 git clone https://github.com/danielmiessler/PAI.git
-cd PAI/Releases/v2.3
+cd PAI/Releases/v2.4
 
 # Back up your existing Claude Code configuration (if any)
 [ -d ~/.claude ] && mv ~/.claude ~/.claude-backup-$(date +%Y%m%d)