release: version 3.14.0 - NotebookLM MCP integration

Bump version from 3.13.0 to 3.14.0 with complete NotebookLM MCP documentation.

## Version Updates

- VERSION: 3.13.0 → 3.14.0
- Synced across: README.md, guide/cheatsheet.md, guide/ultimate-guide.md, machine-readable/reference.yaml

## CHANGELOG.md

- Added comprehensive v3.14.0 entry with NotebookLM MCP documentation details
- Moved previous [Unreleased] items to v3.14.0
- Updated templates count: 86 → 83 (accurate count)

## Documentation Changes

Already committed in ff3458a:
- guide/ai-ecosystem.md: +603 lines (§ 4.1-4.5)
- guide/ultimate-guide.md: +3 lines (MCP integration mention)
- Complete coverage of 16 MCP tools across 3 profiles

## Landing Site Sync

- Landing site updated: 3.13.0 → 3.14.0
- All checks passing (version, templates, quiz, guide lines)
- Verified with ./scripts/check-landing-sync.sh

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

machine-readable/reference.yaml

@@ -3,7 +3,7 @@
 # Source: guide/ultimate-guide.md
 # Purpose: Condensed index for LLMs to quickly answer user questions about Claude Code
 
-version: "3.13.0"
+version: "3.14.0"
 updated: "2026-01-26"
 
 # ════════════════════════════════════════════════════════════════
@@ -745,7 +745,7 @@ ecosystem:
       - "Cross-links modified → Update all 4 repos"
     history:
       - date: "2026-01-20"
-        event: "Code Landing sync v3.12.1, 66 templates, cross-links"
+        event: "Code Landing sync v3.14.0, 66 templates, cross-links"
         commit: "5b5ce62"
       - date: "2026-01-20"
         event: "Cowork Landing fix (paths, README, UI badges)"