Initial commit: Multi-account IMAP sync with OAuth2 support

Makefile

@@ -0,0 +1,73 @@
+.PHONY: build up down logs status health authorize sync sync-all shell clean
+
+# Build the Docker image
+build:
+	docker compose build
+
+# Start the sync daemon
+up:
+	docker compose up -d
+	@echo "Container started. Use 'make logs' to follow logs."
+
+# Stop the container
+down:
+	docker compose down
+
+# Follow logs
+logs:
+	docker logs -f email-sync-oauth2
+
+# Show status of all accounts
+status:
+	@echo "=== Container Status ==="
+	@docker inspect --format='Status: {{.State.Status}}' email-sync-oauth2 2>/dev/null || echo "Container not running"
+	@echo ""
+	@echo "=== Health Status ==="
+	@docker inspect --format='Health: {{.State.Health.Status}}' email-sync-oauth2 2>/dev/null || echo "No healthcheck"
+	@echo ""
+	@echo "=== Last Sync Times ==="
+	@for f in logs/*.last_success; do \
+		[ -f "$$f" ] && echo "$$(basename $$f .last_success): $$(date -d @$$(cat $$f) 2>/dev/null || echo 'unknown')"; \
+	done
+	@echo ""
+	@echo "=== Last Failures ==="
+	@for f in logs/*.last_failure; do \
+		[ -f "$$f" ] && echo "$$(basename $$f .last_failure): $$(date -d @$$(cat $$f) 2>/dev/null || echo 'unknown')"; \
+	done
+
+# Check health
+health:
+	@docker inspect --format='{{json .State.Health}}' email-sync-oauth2 | jq
+
+# Authorize account (usage: make authorize ACCOUNT=1)
+authorize:
+	@if [ -z "$(ACCOUNT)" ]; then \
+		echo "Usage: make authorize ACCOUNT=1"; \
+		exit 1; \
+	fi
+	docker compose run --rm imapsync authorize $(ACCOUNT)
+
+# Force sync account (usage: make sync ACCOUNT=1)
+sync:
+	@if [ -z "$(ACCOUNT)" ]; then \
+		echo "Usage: make sync ACCOUNT=1"; \
+		exit 1; \
+	fi
+	docker compose exec imapsync sync.sh sync $(ACCOUNT)
+
+# Force a full batch now (all configured accounts)
+sync-all:
+	docker compose exec imapsync sync.sh sync-all
+
+# Enter container shell
+shell:
+	docker compose exec imapsync sync.sh shell
+
+# Clean up
+clean:
+	docker compose down -v
+	rm -rf logs/*.log logs/*.last_* logs/.heartbeat logs/.notification_failed
+
+# One-shot sync (build, run once, exit)
+once:
+	ONCE=true docker compose up --build --abort-on-container-exit