refactor: consolidate PM Agent optimization and pending changes

PM Agent optimization (already committed separately):
- superclaude/commands/pm.md: 1652→14 lines
- superclaude/agents/pm-agent.md: 735→429 lines
- docs/agents/pm-agent-guide.md: new guide file

Other pending changes:
- setup: framework_docs, mcp, logger, remove ui.py
- superclaude: __main__, cli/app, cli/commands/install
- tests: test_ui updates
- scripts: workflow metrics analysis tools
- docs/memory: session state updates

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

superclaude/cli/app.py

@@ -27,7 +27,7 @@ app.add_typer(config.app, name="config", help="Manage configuration")
 def version_callback(value: bool):
     """Show version and exit"""
     if value:
-        from setup.cli.base import __version__
+        from superclaude import __version__
         console.print(f"[bold cyan]SuperClaude[/bold cyan] version [green]{__version__}[/green]")
         raise typer.Exit()