feat(deploy): install update/remove scripts into .mam_deploy/ and refine markdown staging

deploy/update.sh

@@ -9,6 +9,7 @@ set -euo pipefail
 
 TARGET_DIR=""
 FORCE=0
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
 # Parse arguments
 while [[ $# -gt 0 ]]; do
@@ -25,8 +26,15 @@ while [[ $# -gt 0 ]]; do
 done
 
 if [ -z "$TARGET_DIR" ]; then
-  TARGET_DIR="$(pwd)"
+  if [ "$(basename "$SCRIPT_DIR")" = ".mam_deploy" ]; then
+    TARGET_DIR="$(dirname "$SCRIPT_DIR")"
+  else
+    TARGET_DIR="$(pwd)"
+  fi
 else
+  if [ "$(basename "$TARGET_DIR")" = ".mam_deploy" ]; then
+    TARGET_DIR="$(dirname "$TARGET_DIR")"
+  fi
   if [ ! -d "$TARGET_DIR" ]; then
     echo "❌ Error: Target directory '$TARGET_DIR' does not exist." >&2
     exit 1
@@ -41,8 +49,16 @@ echo "===================================================================="
 
 cd "$TARGET_DIR"
 
-# 1. Verification of existing install
-if [ ! -f "remove.sh" ]; then
+# 1. Verification of existing install (B-2: dual resolution)
+REMOVER=""
+for cand in ".mam_deploy/remove.sh" "remove.sh"; do
+  if [ -f "$cand" ]; then
+    REMOVER="$cand"
+    break
+  fi
+done
+
+if [ -z "$REMOVER" ]; then
   echo "❌ Error: No MAM installation (remove.sh) found in '$TARGET_DIR'." >&2
   echo "   Please run install.sh first to set up the workspace." >&2
   exit 1
@@ -117,6 +133,16 @@ if [ -d ".mam" ]; then
   if [ -f ".mam/install_manifest.txt" ]; then
     cp -f .mam/install_manifest.txt .mam.update-tmp/
   fi
+  # C12: Copy MAM state files across update cycle
+  for st in install_state asset_hashes.txt version.txt; do
+    if [ -f ".mam/$st" ]; then
+      cp -f ".mam/$st" .mam.update-tmp/
+    fi
+  done
+  if [ -d ".mam/skill-backups" ]; then
+    mkdir -p .mam.update-tmp/skill-backups
+    cp -rf .mam/skill-backups/* .mam.update-tmp/skill-backups/ 2>/dev/null || true
+  fi
 fi
 
 # Define trap to restore backup files on failure
@@ -139,6 +165,15 @@ restore_on_failure() {
     if [ -f ".mam.update-tmp/install_manifest.txt" ]; then
       cp -f .mam.update-tmp/install_manifest.txt .mam/ 2>/dev/null || true
     fi
+    for st in install_state asset_hashes.txt version.txt; do
+      if [ -f ".mam.update-tmp/$st" ]; then
+        cp -f ".mam.update-tmp/$st" .mam/ 2>/dev/null || true
+      fi
+    done
+    if [ -d ".mam.update-tmp/skill-backups" ]; then
+      mkdir -p .mam/skill-backups
+      cp -rf .mam.update-tmp/skill-backups/* .mam/skill-backups/ 2>/dev/null || true
+    fi
     rm -rf .mam.update-tmp 2>/dev/null || true
   fi
 }
@@ -148,7 +183,7 @@ trap restore_on_failure EXIT
 echo "🗑️  Removing existing installation..."
 # remove.sh will run in manifest mode because .mam/install_manifest.txt is still present.
 # It will delete .agents/, documents, scripts, .venv, and .mam folder.
-bash remove.sh --force
+bash "$REMOVER" --force "$TARGET_DIR"
 
 # 4. Fetch and run the latest installer from Gitea
 echo "📥 Fetching and running the latest installer..."
@@ -194,6 +229,15 @@ if [ $HAS_MAM -eq 1 ]; then
       mkdir -p .mam/delegate_job_logs
       cp -rf .mam.update-tmp/delegate_job_logs/* .mam/delegate_job_logs/
     fi
+    for st in install_state asset_hashes.txt version.txt; do
+      if [ -f ".mam.update-tmp/$st" ]; then
+        cp -f ".mam.update-tmp/$st" .mam/
+      fi
+    done
+    if [ -d ".mam.update-tmp/skill-backups" ]; then
+      mkdir -p .mam/skill-backups
+      cp -rf .mam.update-tmp/skill-backups/* .mam/skill-backups/ 2>/dev/null || true
+    fi
     rm -rf ".mam.update-tmp"
   fi
 fi