CCP restore/tunnel/upgrade + upgrade.sh release-mode fixes + volunteer dashboard polish

- Add instance restore model, routes, and agent backup/restore endpoints
- Add Pangolin tunnel service (subdomain prefix, teardown action, CCP client)
- Add slug mutex for concurrent operation safety in agent
- Expand upgrade service with remote driver orchestration
- Fix upgrade.sh to properly handle release-mode installs (no git operations)
- Add CCP registration flags to config.sh (--ccp-url, --ccp-invite-code, --ccp-agent-url)
- Auto-detect JVB advertise IP in non-interactive mode
- Polish volunteer dashboard ActionStepsList with highlighted step component
- Add ticketed event description field + volunteer dashboard query refinements

Bunker Admin

changemaker-control-panel/api/prisma/migrations/20260410233048_add_instance_restore/migration.sql

@@ -0,0 +1,34 @@
+-- CreateEnum
+CREATE TYPE "RestoreStatus" AS ENUM ('PENDING', 'UPLOADING', 'RUNNING', 'COMPLETED', 'FAILED');
+
+-- AlterEnum
+ALTER TYPE "AuditAction" ADD VALUE 'BACKUP_RESTORE';
+
+-- CreateTable
+CREATE TABLE "instance_restores" (
+    "id" TEXT NOT NULL,
+    "instance_id" TEXT NOT NULL,
+    "backup_id" TEXT NOT NULL,
+    "status" "RestoreStatus" NOT NULL DEFAULT 'PENDING',
+    "upload_id" TEXT,
+    "progress_json" JSONB,
+    "log_tail" TEXT,
+    "error_message" TEXT,
+    "triggered_by_id" TEXT,
+    "started_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "completed_at" TIMESTAMP(3),
+
+    CONSTRAINT "instance_restores_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "instance_restores_instance_id_started_at_idx" ON "instance_restores"("instance_id", "started_at");
+
+-- CreateIndex
+CREATE INDEX "instance_restores_backup_id_idx" ON "instance_restores"("backup_id");
+
+-- AddForeignKey
+ALTER TABLE "instance_restores" ADD CONSTRAINT "instance_restores_instance_id_fkey" FOREIGN KEY ("instance_id") REFERENCES "instances"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "instance_restores" ADD CONSTRAINT "instance_restores_backup_id_fkey" FOREIGN KEY ("backup_id") REFERENCES "backups"("id") ON DELETE CASCADE ON UPDATE CASCADE;