docs: update Claude Code releases to v2.1.47

- v2.1.47: VS Code plan preview auto-updates, ctrl+f kills background agents,
  last_assistant_message hook field, 70+ bug fixes (PDF compaction, Unicode
  curly quotes, parallel file edits, OSC 8 hyperlinks, Windows hooks, worktrees)
- v2.1.46: claude.ai MCP connectors support, orphaned process fix on macOS
- Update latest tracked: v2.1.45 → v2.1.47

Co-Authored-By: Claude Sonnet 4.6 <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: "2.1.45"
-updated: "2026-02-17"
+latest: "2.1.47"
+updated: "2026-02-19"
 
 # ════════════════════════════════════════════════════════════════
 # RELEASES (newest first, condensed highlights only)
@@ -15,6 +15,22 @@ releases:
   # 2.1.x Series (January-February 2026)
   # ─────────────────────────────────────────────────────────────
 
+  - version: "2.1.47"
+    date: "2026-02-19"
+    highlights:
+      - "VS Code plan preview auto-updates as Claude iterates, commenting enabled when plan is ready"
+      - "⭐ `ctrl+f` to kill all background agents (replaces double-ESC); background agents continue when ESC pressed"
+      - "Added `last_assistant_message` field to Stop/SubagentStop hook inputs"
+      - "70+ bug fixes: PDF compaction, Unicode curly quotes, parallel file edits, OSC 8 hyperlinks, Windows rendering, session persistence"
+    breaking: []
+
+  - version: "2.1.46"
+    date: "2026-02-19"
+    highlights:
+      - "Fixed orphaned Claude Code processes after terminal disconnect on macOS"
+      - "Added support for using claude.ai MCP connectors in Claude Code"
+    breaking: []
+
   - version: "2.1.45"
     date: "2026-02-17"
     highlights: