add prompt submit and post-tool-use hooks

Author: harryalbert

plugins/warp/hooks/hooks.json

@@ -42,6 +42,26 @@
           }
         ]
       }
+    ],
+    "UserPromptSubmit": [
+      {
+        "hooks": [
+          {
+            "type": "command",
+            "command": "${CLAUDE_PLUGIN_ROOT}/scripts/on-prompt-submit.sh"
+          }
+        ]
+      }
+    ],
+    "PostToolUse": [
+      {
+        "hooks": [
+          {
+            "type": "command",
+            "command": "${CLAUDE_PLUGIN_ROOT}/scripts/on-post-tool-use.sh"
+          }
+        ]
+      }
     ]
   }
 }

plugins/warp/scripts/on-post-tool-use.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+# Hook script for Claude Code PostToolUse event
+# Sends a structured Warp notification after a tool call completes,
+# transitioning the session status from Blocked back to Running.
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/build-payload.sh"
+
+# Read hook input from stdin
+INPUT=$(cat)
+
+TOOL_NAME=$(echo "$INPUT" | jq -r '.tool_name // empty' 2>/dev/null)
+
+BODY=$(build_payload "$INPUT" "tool_complete" \
+    --arg tool_name "$TOOL_NAME")
+
+"$SCRIPT_DIR/warp-notify.sh" "warp://cli-agent" "$BODY"

plugins/warp/scripts/on-prompt-submit.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+# Hook script for Claude Code UserPromptSubmit event
+# Sends a structured Warp notification when the user submits a prompt,
+# transitioning the session status from idle/blocked back to running.
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/build-payload.sh"
+
+# Read hook input from stdin
+INPUT=$(cat)
+
+# Extract the user's prompt
+QUERY=$(echo "$INPUT" | jq -r '.prompt // empty' 2>/dev/null)
+if [ -n "$QUERY" ] && [ ${#QUERY} -gt 200 ]; then
+    QUERY="${QUERY:0:197}..."
+fi
+
+BODY=$(build_payload "$INPUT" "prompt_submit" \
+    --arg query "$QUERY")
+
+"$SCRIPT_DIR/warp-notify.sh" "warp://cli-agent" "$BODY"

plugins/warp/scripts/on-session-start.sh

@@ -15,20 +15,3 @@ PLUGIN_VERSION=$(jq -r '.version // "unknown"' "$SCRIPT_DIR/../.claude-plugin/pl
 BODY=$(build_payload "$INPUT" "session_start" \
     --arg plugin_version "$PLUGIN_VERSION")
 "$SCRIPT_DIR/warp-notify.sh" "warp://cli-agent" "$BODY"
-
-# Output system message for the Claude Code UI
-if [ "$TERM_PROGRAM" = "WarpTerminal" ]; then
-    # Running in Warp - notifications will work
-    cat << EOF
-{
-  "systemMessage": "🔔 Warp plugin v${PLUGIN_VERSION} active. You'll receive native Warp notifications when tasks complete or input is needed."
-}
-EOF
-else
-    # Not running in Warp - suggest installing
-    cat << EOF
-{
-  "systemMessage": "ℹ️ Warp plugin v${PLUGIN_VERSION} installed but you're not running in Warp terminal. Install Warp (https://warp.dev) to get native notifications when Claude completes tasks or needs input."
-}
-EOF
-fi

plugins/warp/scripts/on-stop.sh

@@ -22,10 +22,20 @@ sleep 0.3
 QUERY=""
 RESPONSE=""
 if [ -n "$TRANSCRIPT_PATH" ] && [ -f "$TRANSCRIPT_PATH" ]; then
-    # Get the last user prompt (most recent turn, not the first in the session)
-    # .message.content can be a string or an array of {type, text} objects
+    # Get the last human prompt from the transcript.
+    # "user" type messages include both human prompts and tool-result messages.
+    # Human prompts have content that is either a plain string or an array
+    # containing {type:"text"} blocks. Tool-result messages have content arrays
+    # containing only {type:"tool_result"} blocks. We filter to messages that
+    # have at least one "text" block (or are a plain string).
     QUERY=$(jq -rs '
-        [.[] | select(.type == "user")] | last |
+        [
+            .[] | select(.type == "user") |
+            if .message.content | type == "string" then .
+            elif [.message.content[] | select(.type == "text")] | length > 0 then .
+            else empty
+            end
+        ] | last |
         if .message.content | type == "array"
         then [.message.content[] | select(.type == "text") | .text] | join(" ")
         else .message.content // empty