fix(kugetsu-index): call kugetsu_add_notification from bash instead of os.system()

os.system() spawns a new subprocess that cannot access bash functions.
Now calling kugetsu_add_notification directly from bash after Python updates JSON.

Fixes #167

skills/kugetsu/scripts/kugetsu

@@ -99,17 +99,6 @@ ensure_worktree_dir() {
     mkdir -p "$WORKTREES_DIR"
 }
 
-issue_ref_to_filename() {
-    local issue_ref="$1"
-    echo "$issue_ref" | sed 's/[\/:]/-/g' | sed 's/#/-/'
-}
-
-filename_to_issue_ref() {
-    local filename="$1"
-    local name="${filename%.json}"
-    echo "$name" | sed 's/-\([0-9]*\)$/#\1/' | sed 's/-/\//g'
-}
-
 issue_ref_to_context_file() {
     local issue_ref="$1"
     local context_filename=$(issue_ref_to_filename "$issue_ref")
@@ -321,12 +310,31 @@ get_pending_tasks() {
         return
     fi
     
-    find "$QUEUE_ITEMS_DIR" -name "*.json" -type f 2>/dev/null | while read -r file; do
+    python3 -c "
-        local state=$(python3 -c "import json; print(json.load(open('$file')).get('state', ''))" 2>/dev/null || echo "")
+import json
-        if [ "$state" = "pending" ]; then
+import os
-            cat "$file"
+import sys
-        fi
+
-    done | head -"$limit"
+queue_dir = os.environ.get('QUEUE_ITEMS_DIR', '')
+limit = int(sys.argv[1]) if len(sys.argv) > 1 else 10
+
+items = []
+if os.path.isdir(queue_dir):
+    for filename in os.listdir(queue_dir):
+        if filename.endswith('.json'):
+            filepath = os.path.join(queue_dir, filename)
+            try:
+                with open(filepath) as f:
+                    data = json.load(f)
+                    if data.get('state') == 'pending':
+                        items.append(data)
+                        if len(items) >= limit:
+                            break
+            except:
+                pass
+
+print(json.dumps(items))
+" "$limit"
 }
 
 get_queue_stats() {
@@ -820,6 +828,18 @@ cmd_status() {
         return
     fi
     
+    local opencode_sessions=$(opencode session list 2>/dev/null | grep -oP '^ses_\w+' || true)
+    
+    if ! echo "$opencode_sessions" | grep -q "^${base}$"; then
+        echo "error: base session '$base' not found in opencode"
+        return
+    fi
+    
+    if ! echo "$opencode_sessions" | grep -q "^${pm_agent}$"; then
+        echo "error: pm_agent session '$pm_agent' not found in opencode"
+        return
+    fi
+    
     echo "ok"
 }
 

skills/kugetsu/scripts/kugetsu-index.sh

@@ -133,3 +133,111 @@ with open(session_path, 'w') as f:
     print(f"Updated PR URL for $issue_ref: $pr_url")
 PYEOF
 }
+
+# Convert issue ref to session filename
+issue_ref_to_filename() {
+    local issue_ref="$1"
+    echo "$issue_ref" | sed 's/[\/:]/-/g' | sed 's/#/-/'
+}
+
+# Convert session filename back to issue ref
+filename_to_issue_ref() {
+    local filename="$1"
+    local name="${filename%.json}"
+    echo "$name" | sed 's-\([0-9]*\)$-#\1-' | sed 's/-/\//g'
+}
+
+# Add notification to notifications file
+kugetsu_add_notification() {
+    local type="$1"
+    local message="$2"
+    local issue_ref="${3:-}"
+    local gitea_url="${4:-}"
+    
+    mkdir -p "$(dirname "$NOTIFICATIONS_FILE")"
+    
+    python3 << PYEOF
+import json
+import os
+from datetime import datetime
+
+notification = {
+    "type": "$type",
+    "message": "$message",
+    "issue_ref": "$issue_ref" if "$issue_ref" else None,
+    "gitea_url": "$gitea_url" if "$gitea_url" else None,
+    "timestamp": datetime.now().isoformat(),
+    "read": False
+}
+
+file_path = os.path.expanduser("$NOTIFICATIONS_FILE")
+notifications = []
+
+if os.path.exists(file_path):
+    try:
+        with open(file_path, 'r') as f:
+            notifications = json.load(f)
+    except:
+        notifications = []
+
+notifications.append(notification)
+
+with open(file_path, 'w') as f:
+    json.dump(notifications, f, indent=2)
+
+print("Notification added")
+PYEOF
+}
+
+# Update queue item state
+update_queue_item_state() {
+    local queue_id="$1"
+    local new_state="$2"
+    local session_id="${3:-}"
+    local pid="${4:-}"
+    
+    local item_file="$QUEUE_ITEMS_DIR/${queue_id}.json"
+    if [ ! -f "$item_file" ]; then
+        echo "Error: Queue item not found: $queue_id" >&2
+        return 1
+    fi
+    
+    local issue_ref=$(python3 -c "import json; print(json.load(open('$item_file')).get('issue_ref', ''))" 2>/dev/null || echo "")
+    
+    python3 << PYEOF
+import json
+from datetime import datetime
+
+item_file = "$item_file"
+new_state = "$new_state"
+session_id = "$session_id"
+pid = "$pid"
+
+with open(item_file, 'r') as f:
+    item = json.load(f)
+
+item['state'] = new_state
+
+if new_state == "notified":
+    item['notified_at'] = datetime.now().isoformat() + "Z"
+    if session_id:
+        item['opencode_session_id'] = session_id
+    if pid:
+        item['pid'] = int(pid) if pid.isdigit() else None
+elif new_state == "completed":
+    item['completed_at'] = datetime.now().isoformat() + "Z"
+elif new_state == "error":
+    item['error'] = datetime.now().isoformat() + "Z"
+
+with open(item_file, 'w') as f:
+    json.dump(item, f, indent=2)
+
+print(f"Updated $queue_id to state: $new_state")
+PYEOF
+    
+    if [ "$new_state" = "completed" ]; then
+        kugetsu_add_notification "task_completed" "Task completed: $issue_ref" "$issue_ref"
+    elif [ "$new_state" = "error" ]; then
+        kugetsu_add_notification "task_error" "Task error: $issue_ref" "$issue_ref"
+    fi
+}

skills/kugetsu/scripts/kugetsu-queue-daemon.sh

@@ -8,23 +8,146 @@ source "$SCRIPT_DIR/kugetsu-index.sh"
 source "$SCRIPT_DIR/kugetsu-worktree.sh"
 source "$SCRIPT_DIR/kugetsu-log.sh"
 
+load_agent_env "pm-agent"
+
+acquire_lock() {
+    local issue_ref="$1"
+    local lock_file="$QUEUE_DIR/locks/$(echo "$issue_ref" | sed 's/[\/:]/-/g' | sed 's/#/-/').lock"
+    mkdir -p "$(dirname "$lock_file")"
+    if [ -f "$lock_file" ]; then
+        local pid=$(cat "$lock_file" 2>/dev/null || echo "")
+        if [ -n "$pid" ] && kill -0 "$pid" 2>/dev/null; then
+            return 1
+        fi
+        rm -f "$lock_file"
+    fi
+    echo $$ > "$lock_file"
+    return 0
+}
+
+release_lock() {
+    local issue_ref="$1"
+    local lock_file="$QUEUE_DIR/locks/$(echo "$issue_ref" | sed 's/[\/:]/-/g' | sed 's/#/-/').lock"
+    rm -f "$lock_file"
+}
+
+check_task_completion() {
+    local item="$1"
+    local queue_id=$(basename "$item" .json)
+    local state=$(python3 -c "import json; print(json.load(open('$item')).get('state', ''))" 2>/dev/null)
+
+    [ "$state" = "notified" ] || return 0
+
+    local session_id=$(python3 -c "import json; print(json.load(open('$item')).get('opencode_session_id', ''))" 2>/dev/null)
+    local issue_ref=$(python3 -c "import json; print(json.load(open('$item')).get('issue_ref', ''))" 2>/dev/null)
+    local pid=$(python3 -c "import json; print(json.load(open('$item')).get('pid', ''))" 2>/dev/null)
+
+    if [ -n "$pid" ] && [ "$pid" != "None" ]; then
+        if ! kill -0 "$pid" 2>/dev/null; then
+            local worktree_path=$(issue_ref_to_worktree_path "$issue_ref" "$HOME/.kugetsu-worktrees")
+            local has_commits=false
+
+            if [ -d "$worktree_path" ] && [ -d "$worktree_path/.git" ]; then
+                if [ -n "$(git -C "$worktree_path" log --oneline origin/main..HEAD 2>/dev/null)" ]; then
+                    has_commits=true
+                fi
+            fi
+
+            if [ "$has_commits" = true ]; then
+                update_queue_item_state "$queue_id" "completed"
+                echo "Task $queue_id ($issue_ref) completed — new commits found"
+            else
+                update_queue_item_state "$queue_id" "error"
+                echo "Task $queue_id ($issue_ref) marked error — no commits found after session ended"
+            fi
+            release_lock "$issue_ref"
+        fi
+    else
+        if [ -n "$session_id" ] && ! opencode session list 2>/dev/null | grep -q "$session_id"; then
+            local worktree_path=$(issue_ref_to_worktree_path "$issue_ref" "$HOME/.kugetsu-worktrees")
+            local has_commits=false
+
+            if [ -d "$worktree_path" ] && [ -d "$worktree_path/.git" ]; then
+                if [ -n "$(git -C "$worktree_path" log --oneline origin/main..HEAD 2>/dev/null)" ]; then
+                    has_commits=true
+                fi
+            fi
+
+            if [ "$has_commits" = true ]; then
+                update_queue_item_state "$queue_id" "completed"
+                echo "Task $queue_id ($issue_ref) completed — new commits found"
+            else
+                update_queue_item_state "$queue_id" "error"
+                echo "Task $queue_id ($issue_ref) marked error — no commits found after session ended"
+            fi
+            release_lock "$issue_ref"
+        fi
+    fi
+}
+
+get_session_id_for_issue() {
+    local issue_ref="$1"
+    local session_file=$(issue_ref_to_filename "$issue_ref")
+    local session_path="$SESSIONS_DIR/$session_file"
+    if [ -f "$session_path" ]; then
+        python3 -c "import json; print(json.load(open('$session_path')).get('opencode_session_id', ''))" 2>/dev/null || echo ""
+    else
+        echo ""
+    fi
+}
+
+process_task() {
+    local item="$1"
+    local queue_id=$(basename "$item" .json)
+    local issue_ref=$(python3 -c "import json; print(json.load(open('$item')).get('issue_ref', ''))" 2>/dev/null)
+    local message=$(python3 -c "import json; print(json.load(open('$item')).get('message', ''))" 2>/dev/null)
+
+    if ! acquire_lock "$issue_ref"; then
+        echo "Task $queue_id ($issue_ref) skipped — another process is handling it"
+        return
+    fi
+
+    source "$SCRIPT_DIR/kugetsu-session.sh"
+
+    if worktree_exists "$issue_ref" "$HOME/.kugetsu-worktrees" || [ -f "$SESSIONS_DIR/$(issue_ref_to_filename "$issue_ref").json" ]; then
+        log_file="$LOGS_DIR/delegate-$(date +%s).log"
+        if cmd_continue "$issue_ref" "$message" >> "$log_file" 2>&1; then
+            sleep 1
+            local session_id=$(get_session_id_for_issue "$issue_ref")
+            update_queue_item_state "$queue_id" "notified" "$session_id" ""
+            echo "Task $queue_id continued for $issue_ref"
+        else
+            update_queue_item_state "$queue_id" "error"
+            echo "Task $queue_id ($issue_ref) failed to continue"
+        fi
+    else
+        log_file="$LOGS_DIR/delegate-$(date +%s).log"
+        if cmd_start "$issue_ref" "$message" >> "$log_file" 2>&1; then
+            sleep 1
+            local session_id=$(get_session_id_for_issue "$issue_ref")
+            update_queue_item_state "$queue_id" "notified" "$session_id" ""
+            echo "Task $queue_id started for $issue_ref"
+        else
+            update_queue_item_state "$queue_id" "error"
+            echo "Task $queue_id ($issue_ref) failed to start"
+        fi
+    fi
+
+    release_lock "$issue_ref"
+}
+
 while true; do
     if [ -d "$QUEUE_ITEMS_DIR" ]; then
+        for item in "$QUEUE_ITEMS_DIR"/*.json; do
+            [ -f "$item" ] || continue
+            check_task_completion "$item"
+        done
+
         for item in "$QUEUE_ITEMS_DIR"/*.json; do
             [ -f "$item" ] || continue
             state=$(python3 -c "import json; print(json.load(open('$item')).get('state', ''))" 2>/dev/null)
             if [ "$state" = "pending" ]; then
-                queue_id=$(basename "$item" .json)
+                process_task "$item"
-                issue_ref=$(python3 -c "import json; print(json.load(open('$item')).get('issue_ref', ''))" 2>/dev/null)
-                message=$(python3 -c "import json; print(json.load(open('$item')).get('message', ''))" 2>/dev/null)
-                
-                pm_session=$(get_pm_agent_session_id)
-                if [ -n "$pm_session" ] && [ "$pm_session" != "null" ]; then
-                    log_file="$LOGS_DIR/delegate-$(date +%s).log"
-                    GITEA_TOKEN="${GITEA_TOKEN:-}" nohup sh -c "opencode run '$message' --continue --session '$pm_session' >> '$log_file' 2>&1" > /dev/null 2>&1 &
-                    pid=$!
-                    update_queue_item_state "$queue_id" "notified" "$pm_session" "$pid"
-                fi
             fi
         done
     fi

skills/kugetsu/scripts/kugetsu-session.sh

@@ -1,6 +1,13 @@
 #!/bin/bash
 set -euo pipefail
 
+# Source required modules for session management functions
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/kugetsu-config.sh"
+source "$SCRIPT_DIR/kugetsu-index.sh"
+source "$SCRIPT_DIR/kugetsu-worktree.sh"
+source "$SCRIPT_DIR/kugetsu-log.sh"
+
 count_active_dev_sessions() {
     local count=0
     if [ -d "$SESSIONS_DIR" ]; then
@@ -153,10 +160,12 @@ cmd_delegate() {
     local issue_ref=$(extract_issue_ref_from_message "$message")
     
     if [ -n "$issue_ref" ] && [[ "$issue_ref" =~ \#[0-9]+$ ]]; then
-        cmd_start "$issue_ref" "$message"
+        # Enqueue for daemon to process via cmd_start/cmd_continue
+        enqueue_task "$issue_ref" "$message"
         return
     fi
     
+    # No issue ref detected — delegate directly to PM agent (legacy path)
     local pm_session=$(get_pm_agent_session_id)
     if [ -z "$pm_session" ] || [ "$pm_session" = "null" ] || [ "$pm_session" = "None" ]; then
         echo "Error: PM agent session not found. Run 'kugetsu init' first." >&2
@@ -165,7 +174,7 @@ cmd_delegate() {
     
     mkdir -p "$LOGS_DIR"
     local log_file="$LOGS_DIR/delegate-$(date +%s).log"
-    nohup sh -c "GITEA_TOKEN='${GITEA_TOKEN:-}' opencode run '$message' --continue --session '$pm_session' >> '$log_file' 2>&1" > /dev/null 2>&1 &
+    nohup sh -c "GITEA_TOKEN='***' opencode run '$message' --continue --session '$pm_session' >> '$log_file' 2>&1" > /dev/null 2>&1 &
     disown
     echo "Delegated to PM agent (logged to $(basename "$log_file"))"
 }

skills/kugetsu/tests/test-kugetsu-v2.sh

@@ -7,6 +7,8 @@
 set -euo pipefail
 
 KUGETSU="./skills/kugetsu/scripts/kugetsu"
+TEST_KUGETSU_DIR="/tmp/test-kugetsu-$$"
+export KUGETSU_DIR="$TEST_KUGETSU_DIR"
 TEST_ISSUE_REF="github.com/shoko/kugetsu#14"
 TEST_DISCUSS_REF="github.com/shoko/kugetsu#-discuss"
 TEST_BASE_SESSION_ID="ses_test_base_123"
@@ -18,28 +20,28 @@ PASS=0
 FAIL=0
 
 cleanup() {
-    rm -rf ~/.kugetsu/sessions/* ~/.kugetsu/worktrees/* ~/.kugetsu/index.json 2>/dev/null || true
+    rm -rf "$TEST_KUGETSU_DIR" 2>/dev/null || true
 }
 
 setup_mock_base() {
-    mkdir -p ~/.kugetsu/sessions ~/.kugetsu/worktrees
+    mkdir -p "$TEST_KUGETSU_DIR/sessions" "$TEST_KUGETSU_DIR/worktrees"
-    cat > ~/.kugetsu/index.json << EOF
+    cat > "$TEST_KUGETSU_DIR/index.json" << EOF
 {
   "base": "$TEST_BASE_SESSION_ID",
   "pm_agent": "$TEST_PM_AGENT_SESSION_ID",
   "issues": {}
 }
 EOF
-    cat > ~/.kugetsu/sessions/$TEST_BASE_SESSION_FILE << EOF
+    cat > "$TEST_KUGETSU_DIR/sessions/$TEST_BASE_SESSION_FILE" << EOF
 {"type": "base", "opencode_session_id": "$TEST_BASE_SESSION_ID", "created_at": "2026-03-29T18:00:00+02:00", "state": "idle"}
 EOF
-    cat > ~/.kugetsu/sessions/$TEST_PM_AGENT_SESSION_FILE << EOF
+    cat > "$TEST_KUGETSU_DIR/sessions/$TEST_PM_AGENT_SESSION_FILE" << EOF
 {"type": "pm_agent", "opencode_session_id": "$TEST_PM_AGENT_SESSION_ID", "created_at": "2026-03-29T18:00:00+02:00", "state": "idle"}
 EOF
 }
 
 setup_mock_forked() {
-    cat > ~/.kugetsu/index.json << EOF
+    cat > "$TEST_KUGETSU_DIR/index.json" << EOF
 {
   "base": "$TEST_BASE_SESSION_ID",
   "pm_agent": "$TEST_PM_AGENT_SESSION_ID",
@@ -48,7 +50,7 @@ setup_mock_forked() {
   }
 }
 EOF
-    cat > ~/.kugetsu/sessions/$TEST_FORKED_SESSION_FILE << EOF
+    cat > "$TEST_KUGETSU_DIR/sessions/$TEST_FORKED_SESSION_FILE" << EOF
 {"type": "forked", "issue_ref": "$TEST_ISSUE_REF", "opencode_session_id": "ses_forked_789", "worktree_path": "/tmp/test-worktree", "created_at": "2026-03-29T18:00:00+02:00", "state": "idle"}
 EOF
 }
@@ -112,16 +114,16 @@ echo ""
 
 # Test 3b: start fails without pm-agent
 echo "--- Test: start without pm-agent session ---"
-rm -f ~/.kugetsu/index.json ~/.kugetsu/sessions/*
+rm -f $TEST_KUGETSU_DIR/index.json $TEST_KUGETSU_DIR/sessions/*
-mkdir -p ~/.kugetsu/sessions
+mkdir -p $TEST_KUGETSU_DIR/sessions
-cat > ~/.kugetsu/index.json << EOF
+cat > $TEST_KUGETSU_DIR/index.json << EOF
 {
   "base": "$TEST_BASE_SESSION_ID",
   "pm_agent": null,
   "issues": {}
 }
 EOF
-cat > ~/.kugetsu/sessions/$TEST_BASE_SESSION_FILE << EOF
+cat > $TEST_KUGETSU_DIR/sessions/$TEST_BASE_SESSION_FILE << EOF
 {"type": "base", "opencode_session_id": "$TEST_BASE_SESSION_ID", "created_at": "2026-03-29T18:00:00+02:00", "state": "idle"}
 EOF
 OUTPUT=$($KUGETSU start github.com/shoko/kugetsu#14 "test" 2>&1 || true)
@@ -176,7 +178,7 @@ echo ""
 
 # Test 6c: index.json has pm_agent field
 echo "--- Test: index.json has pm_agent field ---"
-if grep -q '"pm_agent"' ~/.kugetsu/index.json; then
+if grep -q '"pm_agent"' $TEST_KUGETSU_DIR/index.json; then
     pass "index.json has pm_agent field"
 else
     fail "index.json missing pm_agent field"
@@ -227,12 +229,12 @@ echo ""
 echo "--- Test: destroy --pm-agent -y ---"
 setup_mock_base
 OUTPUT=$($KUGETSU destroy --pm-agent -y 2>&1 || true)
-if [ -f ~/.kugetsu/sessions/$TEST_PM_AGENT_SESSION_FILE ]; then
+if [ -f $TEST_KUGETSU_DIR/sessions/$TEST_PM_AGENT_SESSION_FILE ]; then
     fail "destroy --pm-agent -y removes pm-agent file"
 else
     pass "destroy --pm-agent -y removes pm-agent file"
 fi
-if grep -q '"pm_agent": null' ~/.kugetsu/index.json; then
+if grep -q '"pm_agent": null' $TEST_KUGETSU_DIR/index.json; then
     pass "destroy --pm-agent -y sets pm_agent to null in index"
 else
     fail "destroy --pm-agent -y should set pm_agent to null"
@@ -243,7 +245,7 @@ echo ""
 echo "--- Test: destroy --base -y ---"
 setup_mock_base
 OUTPUT=$($KUGETSU destroy --base -y 2>&1 || true)
-if [ -f ~/.kugetsu/sessions/$TEST_BASE_SESSION_FILE ]; then
+if [ -f $TEST_KUGETSU_DIR/sessions/$TEST_BASE_SESSION_FILE ]; then
     fail "destroy --base -y removes base file"
 else
     pass "destroy --base -y removes base file"
@@ -292,7 +294,7 @@ echo ""
 
 # Test 15: worktree path in session file
 echo "--- Test: worktree_path in session file ---"
-if grep -q "worktree_path" ~/.kugetsu/sessions/$TEST_FORKED_SESSION_FILE; then
+if grep -q "worktree_path" $TEST_KUGETSU_DIR/sessions/$TEST_FORKED_SESSION_FILE; then
     pass "session file contains worktree_path"
 else
     fail "session file missing worktree_path"
@@ -303,7 +305,7 @@ echo ""
 echo "--- Test: prune with orphaned worktree ---"
 cleanup
 setup_mock_base
-mkdir -p ~/.kugetsu/worktrees/orphaned-worktree
+mkdir -p $TEST_KUGETSU_DIR/worktrees/orphaned-worktree
 OUTPUT=$($KUGETSU prune 2>&1 || true)
 if echo "$OUTPUT" | grep -q "orphaned worktree"; then
     pass "prune detects orphaned worktree"
@@ -315,7 +317,7 @@ echo ""
 # Test 17: prune --force removes orphaned worktrees
 echo "--- Test: prune --force removes orphaned worktrees ---"
 OUTPUT=$($KUGETSU prune --force 2>&1 || true)
-if [ -d ~/.kugetsu/worktrees/orphaned-worktree ]; then
+if [ -d $TEST_KUGETSU_DIR/worktrees/orphaned-worktree ]; then
     fail "prune --force should remove orphaned worktree"
 else
     pass "prune --force removes orphaned worktree"
@@ -332,10 +334,10 @@ echo ""
 echo "--- Test: destroy removes worktree ---"
 cleanup
 setup_mock_forked
-# remove_worktree_for_issue derives path from issue ref: ~/.kugetsu/worktrees/github.com-shoko-kugetsu-14
+# remove_worktree_for_issue derives path from issue ref: $TEST_KUGETSU_DIR/worktrees/github.com-shoko-kugetsu-14
-mkdir -p ~/.kugetsu/worktrees/github.com-shoko-kugetsu-14
+mkdir -p $TEST_KUGETSU_DIR/worktrees/github.com-shoko-kugetsu-14
 OUTPUT=$($KUGETSU destroy github.com/shoko/kugetsu#14 -y 2>&1 || true)
-if [ -d ~/.kugetsu/worktrees/github.com-shoko-kugetsu-14 ]; then
+if [ -d $TEST_KUGETSU_DIR/worktrees/github.com-shoko-kugetsu-14 ]; then
     fail "destroy should remove worktree"
 else
     pass "destroy removes worktree"
@@ -345,7 +347,7 @@ echo ""
 # Test 20: session file properly formatted for v2.2
 echo "--- Test: session file format v2.2 ---"
 setup_mock_forked
-SESSION_CONTENT=$(cat ~/.kugetsu/sessions/$TEST_FORKED_SESSION_FILE)
+SESSION_CONTENT=$(cat $TEST_KUGETSU_DIR/sessions/$TEST_FORKED_SESSION_FILE)
 if echo "$SESSION_CONTENT" | grep -q '"type": "forked"' && \
    echo "$SESSION_CONTENT" | grep -q '"worktree_path"'; then
     pass "session file has v2.2 format"
@@ -367,8 +369,8 @@ echo ""
 
 # Test 22: status when base missing
 echo "--- Test: status (base missing) ---"
-mkdir -p ~/.kugetsu/sessions
+mkdir -p $TEST_KUGETSU_DIR/sessions
-cat > ~/.kugetsu/index.json << EOF
+cat > $TEST_KUGETSU_DIR/index.json << EOF
 {
   "base": null,
   "pm_agent": "$TEST_PM_AGENT_SESSION_ID",
@@ -385,7 +387,7 @@ echo ""
 
 # Test 23: status when pm-agent missing
 echo "--- Test: status (pm-agent missing) ---"
-cat > ~/.kugetsu/index.json << EOF
+cat > $TEST_KUGETSU_DIR/index.json << EOF
 {
   "base": "$TEST_BASE_SESSION_ID",
   "pm_agent": null,
@@ -402,7 +404,7 @@ echo ""
 
 # Test 24: status when pm-agent is "None" (Python None output)
 echo "--- Test: status (pm-agent is Python None) ---"
-cat > ~/.kugetsu/index.json << EOF
+cat > $TEST_KUGETSU_DIR/index.json << EOF
 {
   "base": "$TEST_BASE_SESSION_ID",
   "pm_agent": "None",
@@ -445,8 +447,8 @@ echo ""
 # Test 27: delegate when pm-agent missing
 echo "--- Test: delegate (pm-agent missing) ---"
 cleanup
-mkdir -p ~/.kugetsu/sessions ~/.kugetsu/worktrees
+mkdir -p $TEST_KUGETSU_DIR/sessions $TEST_KUGETSU_DIR/worktrees
-cat > ~/.kugetsu/index.json << EOF
+cat > $TEST_KUGETSU_DIR/index.json << EOF
 {
   "base": "$TEST_BASE_SESSION_ID",
   "pm_agent": null,
@@ -508,7 +510,7 @@ echo ""
 # Test 32: delegate is fire-and-forget (returns immediately)
 echo "--- Test: delegate is fire-and-forget ---"
 setup_mock_base
-mkdir -p ~/.kugetsu/logs
+mkdir -p $TEST_KUGETSU_DIR/logs
 START=$(date +%s)
 OUTPUT=$($KUGETSU delegate "test fire-and-forget" 2>&1 || true)
 END=$(date +%s)
@@ -527,10 +529,10 @@ echo ""
 # Test 33: delegate creates log file
 echo "--- Test: delegate creates log file ---"
 setup_mock_base
-LOG_COUNT_BEFORE=$(ls ~/.kugetsu/logs/*.log 2>/dev/null | wc -l)
+LOG_COUNT_BEFORE=$(ls $TEST_KUGETSU_DIR/logs/*.log 2>/dev/null | wc -l)
 $KUGETSU delegate "test log file" 2>&1 || true
 sleep 1
-LOG_COUNT_AFTER=$(ls ~/.kugetsu/logs/*.log 2>/dev/null | wc -l)
+LOG_COUNT_AFTER=$(ls $TEST_KUGETSU_DIR/logs/*.log 2>/dev/null | wc -l)
 if [ $LOG_COUNT_AFTER -gt $LOG_COUNT_BEFORE ]; then
     pass "delegate creates log file"
 else
@@ -558,10 +560,10 @@ echo ""
 
 # Test E2: env set creates file
 echo "--- Test: env set creates env file ---"
-mkdir -p ~/.kugetsu/env
+mkdir -p $TEST_KUGETSU_DIR/env
-rm -f ~/.kugetsu/env/pm-agent.env
+rm -f $TEST_KUGETSU_DIR/env/pm-agent.env
 $KUGETSU env set TEST_VAR "test_value" pm-agent 2>&1 || true
-if [ -f ~/.kugetsu/env/pm-agent.env ]; then
+if [ -f $TEST_KUGETSU_DIR/env/pm-agent.env ]; then
     pass "env set creates pm-agent.env file"
 else
     fail "env set did not create pm-agent.env"
@@ -570,7 +572,7 @@ echo ""
 
 # Test E3: env show masks sensitive values
 echo "--- Test: env show masks sensitive values ---"
-cat > ~/.kugetsu/env/pm-agent.env << 'ENVEOF'
+cat > $TEST_KUGETSU_DIR/env/pm-agent.env << 'ENVEOF'
 export GITEA_TOKEN="secret_token_123"
 export MY_VAR="visible_value"
 ENVEOF
@@ -584,14 +586,14 @@ echo ""
 
 # Test E4: Variables exported to child processes via set -a
 echo "--- Test: set -a exports variables to children ---"
-mkdir -p ~/.kugetsu/env
+mkdir -p $TEST_KUGETSU_DIR/env
-cat > ~/.kugetsu/env/test.env << 'ENVEOF'
+cat > $TEST_KUGETSU_DIR/env/test.env << 'ENVEOF'
 export EXPORT_TEST="exported_value"
 SIMPLE_TEST="not_exported"
 ENVEOF
 
 # Simulate what cmd_delegate does
-ENV_FILE="~/.kugetsu/env/test.env"
+ENV_FILE="$TEST_KUGETSU_DIR/env/test.env"
 env_sh="set -a; source '$ENV_FILE'; set +a; "
 result=$(bash -c "${env_sh}bash -c 'echo \$EXPORT_TEST'")
 
@@ -604,11 +606,11 @@ echo ""
 
 # Test E5: pm-agent.env takes precedence
 echo "--- Test: pm-agent.env takes precedence over default ---"
-mkdir -p ~/.kugetsu/env
+mkdir -p $TEST_KUGETSU_DIR/env
-cat > ~/.kugetsu/env/default.env << 'ENVEOF'
+cat > $TEST_KUGETSU_DIR/env/default.env << 'ENVEOF'
 export GITEA_TOKEN="default_token"
 ENVEOF
-cat > ~/.kugetsu/env/pm-agent.env << 'ENVEOF'
+cat > $TEST_KUGETSU_DIR/env/pm-agent.env << 'ENVEOF'
 export GITEA_TOKEN="pm_agent_token"
 ENVEOF
 
@@ -644,7 +646,7 @@ fi
 echo ""
 
 # Cleanup env files
-rm -rf ~/.kugetsu/env 2>/dev/null || true
+rm -rf $TEST_KUGETSU_DIR/env 2>/dev/null || true
 
 # Test E7: fix_session_permissions function exists
 echo "--- Test: fix_session_permissions function exists ---"
@@ -736,7 +738,7 @@ PASS=0
 FAIL=0
 
 test_cleanup() {
-    rm -rf ~/.kugetsu/sessions/* ~/.kugetsu/worktrees/* ~/.kugetsu/index.json ~/.kugetsu/logs/* ~/.kugetsu/.agent_count ~/.kugetsu/.agent_lock 2>/dev/null || true
+    rm -rf $TEST_KUGETSU_DIR/sessions/* $TEST_KUGETSU_DIR/worktrees/* $TEST_KUGETSU_DIR/index.json $TEST_KUGETSU_DIR/logs/* $TEST_KUGETSU_DIR/.agent_count $TEST_KUGETSU_DIR/.agent_lock 2>/dev/null || true
 }
 
 pass() {
@@ -750,25 +752,25 @@ fail() {
 }
 
 setup_mock_sessions() {
-    mkdir -p ~/.kugetsu/sessions ~/.kugetsu/worktrees ~/.kugetsu/logs
+    mkdir -p $TEST_KUGETSU_DIR/sessions $TEST_KUGETSU_DIR/worktrees $TEST_KUGETSU_DIR/logs
-    cat > ~/.kugetsu/index.json << INDEX
+    cat > $TEST_KUGETSU_DIR/index.json << INDEX
 {
   "base": "ses_test_base_123",
   "pm_agent": "ses_test_pm_456",
   "issues": {}
 }
 INDEX
-    echo '{"type": "base", "opencode_session_id": "ses_test_base_123", "created_at": "2026-03-29T18:00:00+02:00", "state": "idle"}' > ~/.kugetsu/sessions/base.json
+    echo '{"type": "base", "opencode_session_id": "ses_test_base_123", "created_at": "2026-03-29T18:00:00+02:00", "state": "idle"}' > $TEST_KUGETSU_DIR/sessions/base.json
-    echo '{"type": "pm_agent", "opencode_session_id": "ses_test_pm_456", "created_at": "2026-03-29T18:00:00+02:00", "state": "idle"}' > ~/.kugetsu/sessions/pm-agent.json
+    echo '{"type": "pm_agent", "opencode_session_id": "ses_test_pm_456", "created_at": "2026-03-29T18:00:00+02:00", "state": "idle"}' > $TEST_KUGETSU_DIR/sessions/pm-agent.json
 }
 
 # Test C1: Agent count file is initialized to 0
 echo "--- Test: agent count file initialized ---"
 test_cleanup
-mkdir -p ~/.kugetsu/sessions ~/.kugetsu/worktrees
+mkdir -p $TEST_KUGETSU_DIR/sessions $TEST_KUGETSU_DIR/worktrees
 $KUGETSU list > /dev/null 2>&1 || true
-if [ -f ~/.kugetsu/.agent_count ]; then
+if [ -f $TEST_KUGETSU_DIR/.agent_count ]; then
-    COUNT=$(cat ~/.kugetsu/.agent_count)
+    COUNT=$(cat $TEST_KUGETSU_DIR/.agent_count)
     if [ "$COUNT" = "0" ]; then
         pass "agent count file initialized to 0"
     else
@@ -795,10 +797,10 @@ test_cleanup
 setup_mock_sessions
 
 # Initialize count to 0
-echo 0 > ~/.kugetsu/.agent_count
+echo 0 > $TEST_KUGETSU_DIR/.agent_count
 
 # Verify initial state
-INITIAL=$(cat ~/.kugetsu/.agent_count)
+INITIAL=$(cat $TEST_KUGETSU_DIR/.agent_count)
 if [ "$INITIAL" = "0" ]; then
     pass "agent count starts at 0"
 else
@@ -809,7 +811,7 @@ fi
 $KUGETSU list > /dev/null 2>&1
 
 # Verify count is still 0 (no slot leak)
-AFTER=$(cat ~/.kugetsu/.agent_count)
+AFTER=$(cat $TEST_KUGETSU_DIR/.agent_count)
 if [ "$AFTER" = "0" ]; then
     pass "agent count stays 0 after list (no leak)"
 else