From 2e2b2187b957e9af78797a67ec5c6874615fae02 Mon Sep 17 00:00:00 2001
From: Peter Stone <thepeterstone@gmail.com>
Date: Sun, 8 Feb 2026 21:35:45 -1000
Subject: Initial project: task model, executor, API server, CLI, storage,
 reporter

Claudomator automation toolkit for Claude Code with:
- Task model with YAML parsing, validation, state machine (49 tests, 0 races)
- SQLite storage for tasks and executions
- Executor pool with bounded concurrency, timeout, cancellation
- REST API + WebSocket for mobile PWA integration
- Webhook/multi-notifier system
- CLI: init, run, serve, list, status commands
- Console, JSON, HTML reporters with cost tracking

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 internal/notify/notify.go | 95 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 internal/notify/notify.go

(limited to 'internal/notify/notify.go')

diff --git a/internal/notify/notify.go b/internal/notify/notify.go
new file mode 100644
index 0000000..86e641f
--- /dev/null
+++ b/internal/notify/notify.go
@@ -0,0 +1,95 @@
+package notify
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"time"
+)
+
+// Notifier sends notifications when tasks complete.
+type Notifier interface {
+	Notify(event Event) error
+}
+
+// Event represents a task completion event.
+type Event struct {
+	TaskID   string  `json:"task_id"`
+	TaskName string  `json:"task_name"`
+	Status   string  `json:"status"`
+	CostUSD  float64 `json:"cost_usd"`
+	Duration string  `json:"duration"`
+	Error    string  `json:"error,omitempty"`
+}
+
+// WebhookNotifier sends POST requests to a configured URL.
+type WebhookNotifier struct {
+	URL    string
+	client *http.Client
+	logger *slog.Logger
+}
+
+func NewWebhookNotifier(url string, logger *slog.Logger) *WebhookNotifier {
+	return &WebhookNotifier{
+		URL:    url,
+		client: &http.Client{Timeout: 10 * time.Second},
+		logger: logger,
+	}
+}
+
+func (w *WebhookNotifier) Notify(event Event) error {
+	body, err := json.Marshal(event)
+	if err != nil {
+		return fmt.Errorf("marshaling event: %w", err)
+	}
+
+	resp, err := w.client.Post(w.URL, "application/json", bytes.NewReader(body))
+	if err != nil {
+		return fmt.Errorf("sending webhook: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode >= 400 {
+		return fmt.Errorf("webhook returned %d", resp.StatusCode)
+	}
+	return nil
+}
+
+// MultiNotifier fans out to multiple notifiers.
+type MultiNotifier struct {
+	notifiers []Notifier
+	logger    *slog.Logger
+}
+
+func NewMultiNotifier(logger *slog.Logger, notifiers ...Notifier) *MultiNotifier {
+	return &MultiNotifier{notifiers: notifiers, logger: logger}
+}
+
+func (m *MultiNotifier) Notify(event Event) error {
+	var lastErr error
+	for _, n := range m.notifiers {
+		if err := n.Notify(event); err != nil {
+			m.logger.Error("notification failed", "error", err)
+			lastErr = err
+		}
+	}
+	return lastErr
+}
+
+// LogNotifier logs events (useful as a default/fallback).
+type LogNotifier struct {
+	Logger *slog.Logger
+}
+
+func (l *LogNotifier) Notify(event Event) error {
+	l.Logger.Info("task completed",
+		"task_id", event.TaskID,
+		"task_name", event.TaskName,
+		"status", event.Status,
+		"cost_usd", event.CostUSD,
+		"duration", event.Duration,
+	)
+	return nil
+}
-- 
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