bump to 0.7.1

echo-memory.plugin.src/skills/echo-memory/scripts/echo.sh

@@ -27,6 +27,8 @@
 #   echo.sh delete <path>                           # DELETE (destructive; explicit use only)
 #   echo.sh lock   <owner-id>                       # acquire advisory lock (exit 75 if held by someone else & fresh)
 #   echo.sh unlock <owner-id>                       # release advisory lock if owned by <owner-id>
+#   echo.sh scope  show                             # print active scope, its freshness, and sessions-since
+#   echo.sh scope  set "<text>"                     # switch scope atomically (history + replace + stamp scope_updated)
 #
 # Exit codes: 0 ok · 44 not-found(404) · 75 lock-held · 2 usage · 1 other HTTP/transport error.
 
@@ -194,6 +196,50 @@ case "$cmd" in
     [ "$HTTP" = "404" ] || _check "unlock"
     echo "ok: unlocked" ;;
 
+  scope)
+    # scope show | scope set "<new scope text>"
+    # 'set' archives the prior scope to ## Scope History, replaces ## Scope, and stamps
+    # the scope_updated freshness timestamp — one command instead of three error-prone PATCHes.
+    sub="${1:-show}"; shift || true
+    ccpath="_agent/context/current-context.md"
+    case "$sub" in
+      show)
+        _curl GET "$(_vault_url "$ccpath")"; _check "scope show"
+        cur="$RESP"
+        echo "── Active scope ──"
+        awk '/^## Scope[[:space:]]*$/{f=1;next} /^## /{if(f)exit} f' "$cur"
+        su="$(sed -n 's/^scope_updated:[[:space:]]*//p' "$cur" | head -1)"
+        su="${su//\"/}"
+        echo "scope_updated: ${su:-<missing — drift cannot be detected; run scope set or repair>}"
+        _curl GET "$(_vault_url "_agent/sessions/")"
+        if [ "$HTTP" = "200" ] && [ -n "$su" ]; then
+          n="$(python3 -c "import json,sys;f=json.load(open('$RESP'))['files'];print(sum(1 for x in f if x.endswith('.md') and x[:10]>'$su'))" 2>/dev/null || echo '?')"
+          echo "sessions logged since: ${n}"
+        fi ;;
+      set)
+        [ $# -ge 1 ] || die "scope set needs the new scope text"
+        new="$1"
+        _curl GET "$(_vault_url "$ccpath")"; _check "scope set(read)"
+        prior="$(awk '/^## Scope[[:space:]]*$/{f=1;next} /^## /{if(f)exit} f' "$RESP" \
+                 | tr '\n' ' ' | sed 's/^[[:space:]]*//; s/[[:space:]]*$//' | cut -c1-140)"
+        BODY="$(mktemp)"; printf -- '- %s: %s\n' "$(_today)" "${prior:-(prior scope)}" > "$BODY"
+        _curl PATCH "$(_vault_url "$ccpath")" -H 'Operation: prepend' -H 'Target-Type: heading' \
+          -H 'Target: Current Context::Scope History' -H 'Content-Type: text/markdown' --data-binary @"$BODY"
+        _check "scope set(history)"
+        BODY="$(mktemp)"; printf '%s\n' "$new" > "$BODY"
+        _curl PATCH "$(_vault_url "$ccpath")" -H 'Operation: replace' -H 'Target-Type: heading' \
+          -H 'Target: Current Context::Scope' -H 'Content-Type: text/markdown' --data-binary @"$BODY"
+        _check "scope set(replace)"
+        BODY="$(mktemp)"; printf '"%s"' "$(_today)" > "$BODY"
+        _curl PATCH "$(_vault_url "$ccpath")" -H 'Operation: replace' -H 'Target-Type: frontmatter' \
+          -H 'Target: scope_updated' -H 'Content-Type: application/json' --data-binary @"$BODY"
+        if [ "${HTTP:-000}" -ge 400 ]; then
+          die "scope set: body switched, but scope_updated frontmatter is missing (run bootstrap.sh repair to add it) [HTTP $HTTP]"
+        fi
+        echo "ok: scope switched (prior archived to Scope History; scope_updated=$(_today))" ;;
+      *) die "scope: use 'show' or 'set \"<text>\"'" ;;
+    esac ;;
+
   ""|-h|--help|help) usage ;;
-  *) die "unknown command '$cmd' (try: get map ls search put post append patch fm bump delete lock unlock)" ;;
+  *) die "unknown command '$cmd' (try: get map ls search put post append patch fm bump delete lock unlock scope)" ;;
 esac