feat: Implement Filesystem and MongoDB provenance writers for PackRun execution context

- Added `FilesystemPackRunProvenanceWriter` to write provenance manifests to the filesystem.
- Introduced `MongoPackRunArtifactReader` to read artifacts from MongoDB.
- Created `MongoPackRunProvenanceWriter` to store provenance manifests in MongoDB.
- Developed unit tests for filesystem and MongoDB provenance writers.
- Established `ITimelineEventStore` and `ITimelineIngestionService` interfaces for timeline event handling.
- Implemented `TimelineIngestionService` to validate and persist timeline events with hashing.
- Created PostgreSQL schema and migration scripts for timeline indexing.
- Added dependency injection support for timeline indexer services.
- Developed tests for timeline ingestion and schema validation.

ops/devops/airgap/build_bootstrap_pack.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+# Thin wrapper for build_bootstrap_pack.py
+# Usage: ./build_bootstrap_pack.sh config.json out/bootstrap-pack
+set -euo pipefail
+if [[ $# -lt 2 ]]; then
+  echo "Usage: $0 <config.json> <output-dir>" >&2
+  exit 2
+fi
+SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd)
+python3 "$SCRIPT_DIR/build_bootstrap_pack.py" --config "$1" --output "$2"