chore: auto-commit (286 archivos)

- .claude/agents/fn-orquestador/SKILL.md
- .claude/commands/fn_claude.md
- .claude/rules/INDEX.md
- .claude/rules/cpp_apps.md
- .claude/rules/ids_naming.md
- CHANGELOG.md
- apps/dag_engine/README.md
- apps/dag_engine/api.go
- apps/dag_engine/dags_migrated/example.yaml
- apps/dag_engine/dags_migrated/example_lineage_tracking.yaml
- ...

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

functions/infra/http_post_json.md

@@ -7,7 +7,7 @@ version: "1.0.0"
 purity: impure
 signature: "func HttpPostJSON(url string, body any, headers map[string]string, timeout time.Duration) (map[string]any, error)"
 description: "POST request con body JSON serializado con json.Marshal. Agrega Content-Type: application/json y Accept: application/json. Retorna error con status code si >= 400."
-tags: [http, json, post, client, network, stdlib, infra, pendiente-usar]
+tags: [http, json, post, client, network, stdlib, infra, pendiente-usar, sink]
 uses_functions: []
 uses_types: []
 returns: []