fix: apply 2026-04-09 documentation accuracy updates

P0 Critical:
- Remove /vim (removed in v2.1.92) from CATALOG.md, zh/CATALOG.md active tables
- Move /vim to deprecated section in zh/01-slash-commands/README.md
- Fix fake hook events (PreCommit/PrePush/PostPush) in config-examples.json
- Replace with real PreToolUse hook pattern
- Update deprecated model IDs: claude-sonnet-4-5 → claude-sonnet-4-6 (x4)
- Fix notify-team.sh comment: PostPush → PostToolUse with explanation
- Mark # memory shortcut as discontinued in 02-memory/README.md

P2 Conflicts resolved:
- effort:max confirmed valid in current CLI; no changes needed
- Remove WebSocket MCP transport (not supported; only stdio/sse/http valid)
  from 05-mcp/README.md, CATALOG.md, QUICK_REFERENCE.md

P4 Cosmetic:
- Update hook count 25 → 26 in QUICK_REFERENCE.md

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

05-mcp/README.md

@@ -105,14 +105,6 @@ Server-Sent Events transport is deprecated in favor of `http` but still supporte
 claude mcp add --transport sse legacy-server https://example.com/sse
 ```
 
-### WebSocket Transport
-
-WebSocket transport for persistent bidirectional connections:
-
-```bash
-claude mcp add --transport ws realtime-server wss://example.com/mcp
-```
-
 ### Windows-Specific Note
 
 On native Windows (not WSL), use `cmd /c` for npx commands: