move v0.1 artifacts to DELETE/, fix xcode build, bump calver to 2026.03.14

- move backend/, clients/, scripts/ to DELETE/ (v0.1 era, replaced by on-device arch)
- delete feature/v0.1-backend-and-macos branch
- add TaskStore dependency to project.yml
- fix ComposeViewModel deinit concurrency, make toMessageSummary public
- regenerate Xcode project, verify macOS build succeeds

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

DELETE/scripts/dev-sync.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+API_URL="${API_URL:-http://localhost:3000}"
+ACCOUNT_ID="${ACCOUNT_ID:-personal}"
+CHANNEL_NAME="${CHANNEL_NAME:-personal}"
+
+echo "Triggering sync..."
+curl -s -X POST "${API_URL}/api/sync" \
+	-H "Content-Type: application/json" \
+	-d "{\"accountId\": \"${ACCOUNT_ID}\", \"channelName\": \"${CHANNEL_NAME}\"}"
+
+echo ""
+echo "Done."