feat(marketplace): hook migration, projman commands, optimizations [BREAKING]

Remove all SessionStart and PostToolUse hooks across the marketplace,
retaining only PreToolUse safety hooks and UserPromptSubmit quality hooks.
Add /project and /adr command families, /hygiene check, /cv status.
Create 7 new projman skills for project lifecycle management.
Remove /pm-debug, /suggest-version, /proposal-status commands.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

plugins/projman/commands/project-close.md

@@ -0,0 +1,41 @@
+---
+description: Close a completed project — retrospective, archive, lessons learned
+agent: orchestrator
+---
+
+# /project close
+
+## Purpose
+
+Run project-level retrospective, capture lessons learned, and archive project artifacts.
+
+## Prerequisites
+
+- All sprints in roadmap are closed
+- Project status is `Executing`
+
+## Skills Required
+
+- skills/project-charter.md — to update status
+- skills/wiki-conventions.md — page naming
+- skills/visual-output.md — output formatting
+
+## Workflow
+
+### Step 1: Verify Completion
+Check that all sprints in `Roadmap: {Name}` are marked complete.
+Check that all epic-labeled issues are closed.
+
+### Step 2: Project Retrospective
+Create a retrospective section in the project charter:
+- What went well
+- What didn't go well
+- Key learnings
+- Metrics: total sprints, total issues, duration
+
+### Step 3: Archive
+Update `Project: {Name}` status → `Closed`
+Update `Risk-Register: {Name}` status → `Archived`
+
+### Step 4: Final Report
+Display project summary with key metrics.