feat[backend](alerts): populate per-parent echo count in list

[AlexSanchez-bit]

No description provided.

[github-actions]

✅ AI review — Clean

No issues detected in this diff.

✅ architecture (gemini-3-flash-lite) — clean

Summary: Added Echoes enrichment for alert datasets in the log analyzer repository with corresponding unit tests.

No findings.

✅ bugs (gemini-3-flash-lite) — clean

Summary: Added enrichEchoCounts to enrich alert documents with echo counts successfully.

No findings.

✅ security (gemini-3-flash-lite) — clean

Summary: Added alert echo count enrichment feature to the log analyzer repository without introducing vulnerabilities.

No findings.

🔴 go-deps — pending updates

🔍 Discovered 30 Go projects

📦 Dependencies with updates available:

  📁 ./plugins/crowdstrike:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31

  📁 ./plugins/azure:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31

  📁 ./plugins/soc-ai:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31

  📁 ./plugins/events:
     - github.com/threatwinds/go-sdk: v1.1.27-0.20260811073440-251cb9d842cd → v1.1.31

  📁 ./plugins/gcp:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31

  📁 ./plugins/bitdefender:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31

  📁 ./plugins/o365:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31

  📁 ./plugins/rule-flood-guard:
     - github.com/threatwinds/go-sdk: v1.1.27-0.20260811073440-251cb9d842cd → v1.1.31

  📁 ./plugins/stats:
     - github.com/threatwinds/go-sdk: v1.1.27-0.20260811073440-251cb9d842cd → v1.1.31

  📁 ./plugins/feeds:
     - github.com/threatwinds/go-sdk: v1.1.27-0.20260811073440-251cb9d842cd → v1.1.31

  📁 ./plugins/geolocation:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31

  📁 ./plugins/playground:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31

  📁 ./plugins/soar:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31

  📁 ./plugins/sophos:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31

  📁 ./plugins/alerts:
     - github.com/threatwinds/go-sdk: v1.1.27-0.20260811073440-251cb9d842cd → v1.1.31

  📁 ./plugins/aws:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31

  📁 ./log-input:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31
     - google.golang.org/grpc: v1.83.0 → v1.83.1

  📁 ./backend:
     - github.com/aws/aws-sdk-go-v2/config: v1.32.36 → v1.32.37
     - github.com/aws/aws-sdk-go-v2/credentials: v1.19.35 → v1.19.36
     - github.com/aws/aws-sdk-go-v2/service/sts: v1.45.5 → v1.45.6
     - google.golang.org/grpc: v1.83.0 → v1.83.1

  📁 ./collectors/collector:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31
     - google.golang.org/grpc: v1.83.0 → v1.83.1

  📁 ./collectors/forwarder:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31
     - google.golang.org/grpc: v1.83.0 → v1.83.1

  📁 ./collectors/as400:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31
     - google.golang.org/grpc: v1.83.0 → v1.83.1

  📁 ./collectors/utmstack:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31
     - google.golang.org/grpc: v1.83.0 → v1.83.1

  📁 ./tools/rulecheck:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31

  📁 ./agent-manager:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31
     - google.golang.org/grpc: v1.83.0 → v1.83.1

  📁 ./agent:
     - github.com/threatwinds/go-sdk: v1.1.28 → v1.1.31
     - google.golang.org/grpc: v1.83.0 → v1.83.1

❌ Please update dependencies before merging.