docs: fix documentation drift (19 items)

Critical fixes:
- Fix projman version mismatch (3.1.0 -> 3.2.0 in plugin.json)
- Update CLAUDE.md version to 4.1.0

Stale documentation updates:
- Add viz-platform to README.md (plugins, MCP servers, verification table)
- Add viz-platform to COMMANDS-CHEATSHEET.md (8 commands, hooks, MCP table)
- Add viz-platform and data-platform to CANONICAL-PATHS.md
- Add viz-platform and data-platform to CONFIGURATION.md
- Fix CHANGELOG.md tool counts (Layout 5, Theme 6, Page 5)
- Add data-platform to CLAUDE.md repository structure

Missing documentation:
- Create mcp-servers/viz-platform/README.md (21 tools documented)
- Add viz-platform SessionStart hook to COMMANDS-CHEATSHEET.md

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

CLAUDE.md

@@ -50,14 +50,14 @@ See `docs/DEBUGGING-CHECKLIST.md` for details on cache timing.
 ## Project Overview
 
 **Repository:** leo-claude-mktplace
-**Version:** 4.0.0
+**Version:** 4.1.0
 **Status:** Production Ready
 
 A plugin marketplace for Claude Code containing:
 
 | Plugin | Description | Version |
 |--------|-------------|---------|
-| `projman` | Sprint planning and project management with Gitea integration | 3.1.0 |
+| `projman` | Sprint planning and project management with Gitea integration | 3.2.0 |
 | `git-flow` | Git workflow automation with smart commits and branch management | 1.0.0 |
 | `pr-review` | Multi-agent PR review with confidence scoring | 1.0.0 |
 | `clarity-assist` | Prompt optimization with ND-friendly accommodations | 1.0.0 |
@@ -104,6 +104,7 @@ leo-claude-mktplace/
 ├── mcp-servers/                  # SHARED MCP servers (v3.0.0+)
 │   ├── gitea/                    # Gitea MCP (issues, PRs, wiki)
 │   ├── netbox/                   # NetBox MCP (CMDB)
+│   ├── data-platform/            # pandas, PostgreSQL, dbt
 │   └── viz-platform/             # DMC validation, charts, themes
 ├── plugins/
 │   ├── projman/                  # Sprint management