Update gp

gp

@@ -49,8 +49,39 @@ EXAMPLES:
 EOF
 }
 
-# Function to generate commit message based on changes
-generate_commit_message() {
+# Function to generate commit message using Claude AI
+generate_commit_message_ai() {
+    # Stage files first so we can get a proper diff
+    if [ "$ADD_ALL" = true ]; then
+        git add -A
+    fi
+
+    local diff
+    diff=$(git diff --cached)
+    if [ -z "$diff" ]; then
+        return 1
+    fi
+
+    local msg
+    msg=$(echo "$diff" | claude --print \
+        "Write a short git commit message (max 72 chars subject line) summarising these changes. Output ONLY the message, no quotes or prefixes." \
+        2>/dev/null) || return 1
+
+    # Validate: non-empty, single line, reasonable length
+    if [ -z "$msg" ]; then
+        return 1
+    fi
+    # Take only the first line
+    msg=$(echo "$msg" | head -1)
+    if [ ${#msg} -gt 120 ]; then
+        return 1
+    fi
+
+    echo "$msg"
+}
+
+# Function to generate commit message based on heuristics (fallback)
+generate_commit_message_fallback() {
     # First check if we have staged changes
     local has_staged_changes=false
     if ! git diff --cached --quiet; then
@@ -204,6 +235,18 @@ generate_commit_message() {
     echo "$message"
 }
 
+# Function to generate commit message — tries Claude AI first, falls back to heuristics
+generate_commit_message() {
+    if command -v claude &>/dev/null; then
+        local ai_msg
+        if ai_msg=$(generate_commit_message_ai); then
+            echo "$ai_msg"
+            return 0
+        fi
+    fi
+    generate_commit_message_fallback
+}
+
 # Function to check if we're in a git repository and change to repo root
 check_git_repo() {
     if ! git rev-parse --git-dir >/dev/null 2>&1; then