docs: update Claude Code releases to v2.1.14

- Update latest tracked version: v2.1.12 → v2.1.14
- Add v2.1.14 highlights: history-based autocomplete, plugin search, SHA pinning
- Fix context window blocking limit and memory leak fixes
- Update dates: 2026-01-21

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

machine-readable/claude-code-releases.yaml

@@ -3,8 +3,8 @@
 # Purpose: Track Claude Code product releases for documentation sync
 # Maintained: Manual updates when new releases are announced
 
-latest: "2.1.12"
-updated: "2026-01-18"
+latest: "2.1.14"
+updated: "2026-01-21"
 
 # ════════════════════════════════════════════════════════════════
 # RELEASES (newest first, condensed highlights only)
@@ -15,6 +15,15 @@ releases:
   # 2.1.x Series (January 2026)
   # ─────────────────────────────────────────────────────────────
 
+  - version: "2.1.14"
+    date: "2026-01-21"
+    highlights:
+      - "History-based autocomplete in bash mode (! + Tab)"
+      - "Search in installed plugins list"
+      - "Git commit SHA pinning for plugins"
+      - "Multiple fixes: context window, memory, autocomplete"
+    breaking: []
+
   - version: "2.1.12"
     date: "2026-01-18"
     highlights: