feat: add Cobra CLI, LSP/MCP registries, workflow engine, and enriched dashboard

Major changes:
- Refactor CLI entry point to Cobra commands (root, setup, scan, doctor, install, update, lsp, mcp, skills, config, version)
- Add LSP registry with health checks, auto-install, and editor config generation
- Add MCP registry with editor detection, status tracking, and per-editor configuration
- Add workflow engine with planner and step execution for automated task chains
- Add conversation search, export (Markdown/JSON), and detailed token counting
- Add streaming shell chat handler with tool call/result events
- Add skill validation, dry-run testing, and export endpoints
- Enrich dashboard with Tools/Activity/Status tabs and tool cards grid
- Add PRD documentation
- Complete i18n for both EN and FR

💘 Generated with Crush

Assisted-by: GLM-5.1 via Crush <crush@charm.land>

web/src/components/Config.jsx

@@ -447,7 +447,14 @@ function PanelSkills({ skillList, t }) {
           <div key={i} className="config-skill-row">
             <span className="config-skill-name">{s.name}</span>
             <span className="badge neutral">{s.target || 'both'}</span>
+            {s.version && <span className="badge" style={{ fontSize: 10 }}>{s.version}</span>}
+            {s.category && <span className="badge" style={{ fontSize: 10, opacity: 0.7 }}>{s.category}</span>}
             <span className="config-skill-desc">{s.description}</span>
+            {s.dependencies && s.dependencies.length > 0 && (
+              <div style={{ marginTop: 4, fontSize: 10, color: 'var(--muted)' }}>
+                deps: {s.dependencies.map(d => d.name).join(', ')}
+              </div>
+            )}
           </div>
         ))
       )}