Strip markdown from the Stop notification response

plugins/warp/scripts/build-payload.sh

@@ -27,6 +27,18 @@ negotiate_protocol_version() {
     fi
 }
 
+# Notification bodies are shown as plain text, so markdown syntax from the
+# agent's reply appears literally. Removes the common markers and folds
+# newlines into spaces. Underscores are left alone so identifiers like
+# __init__ survive.
+strip_markdown() {
+    jq -rn --arg s "$1" '$s
+        | gsub("(?m)^\\s*(#+|[-*+]|\\d+\\.)\\s+"; "")
+        | gsub("\\*\\*|`"; "")
+        | gsub("\\[(?<t>[^\\]]+)\\]\\([^)]*\\)"; "\(.t)")
+        | gsub("\\s*\\n+\\s*"; " ")'
+}
+
 build_payload() {
     local input="$1"
     local event="$2"

plugins/warp/scripts/on-stop.sh

@@ -55,6 +55,7 @@ if [ -n "$TRANSCRIPT_PATH" ] && [ -f "$TRANSCRIPT_PATH" ]; then
         [.[] | select(.type == "assistant" and .message.content)] | last |
         [.message.content[] | select(.type == "text") | .text] | join(" ")
     ' "$TRANSCRIPT_PATH" 2>/dev/null)
+    RESPONSE=$(strip_markdown "$RESPONSE")
 
     # Truncate for notification display
     if [ -n "$QUERY" ] && [ ${#QUERY} -gt 200 ]; then

plugins/warp/tests/test-hooks.sh

@@ -312,6 +312,16 @@ assert_eq "legacy Warp shows active message" \
     "🔔 Warp plugin active. You'll receive native Warp notifications when tasks complete or input is needed." \
     "$SYS_MSG"
 
+echo ""
+echo "--- Markdown is stripped from notification text ---"
+assert_eq "bold and code removed" "Use master now" "$(strip_markdown 'Use **`master`** now')"
+assert_eq "headings and bullets removed, newlines folded" "Title one two" "$(strip_markdown $'## Title\n\n- one\n* two')"
+assert_eq "numbered list removed" "first second" "$(strip_markdown $'1. first\n2. second')"
+assert_eq "link keeps its text" "see the docs" "$(strip_markdown 'see [the docs](https://example.com)')"
+assert_eq "underscores kept" "call __init__ and snake_case" "$(strip_markdown 'call __init__ and snake_case')"
+assert_eq "plain text unchanged" 'It means greeting. Use: printf("hello")' "$(strip_markdown 'It means greeting. Use: printf("hello")')"
+assert_eq "empty input" "" "$(strip_markdown '')"
+
 echo ""
 echo "--- Modern-only hooks exit silently without protocol version ---"