feat: enable audit logging and guardrails in configuration

Author: IgnatG

.env.example

@@ -44,7 +44,7 @@ RESULT_EXPIRES=86400
 
 # ── Audit logging (langextract-audit) ────────────────────────────────────────
 # Enable structured audit logging for every LLM inference call
-AUDIT_ENABLED=false
+AUDIT_ENABLED=true
 # Sink type: logging (stdlib), jsonfile (NDJSON file), otel (OpenTelemetry)
 AUDIT_SINK=logging
 # Path for the NDJSON audit file (only used when AUDIT_SINK=jsonfile)
@@ -54,7 +54,7 @@ AUDIT_LOG_PATH=audit.jsonl
 
 # ── Guardrails / output validation (langextract-guardrails) ──────────────────
 # Enable LLM output validation with automatic retry & corrective prompting
-GUARDRAILS_ENABLED=false
+GUARDRAILS_ENABLED=true
 # Maximum retry attempts when validation fails (default 3)
 GUARDRAILS_MAX_RETRIES=3
 # Include invalid output in correction prompt (set false to save tokens)

app/core/config.py

@@ -98,13 +98,13 @@ class Settings(BaseSettings):
     EXTRACTION_CACHE_BACKEND: str = "redis"  # redis | disk | none
 
     # ── Audit logging ───────────────────────────────────────────────
-    AUDIT_ENABLED: bool = False
+    AUDIT_ENABLED: bool = True
     AUDIT_SINK: str = "logging"  # logging | jsonfile | otel
     AUDIT_LOG_PATH: str = "audit.jsonl"
     AUDIT_SAMPLE_LENGTH: int | None = None
 
     # ── Guardrails (output validation) ──────────────────────────────
-    GUARDRAILS_ENABLED: bool = False
+    GUARDRAILS_ENABLED: bool = True
     GUARDRAILS_MAX_RETRIES: int = 3
     GUARDRAILS_MAX_CONCURRENCY: int | None = None
     GUARDRAILS_INCLUDE_OUTPUT_IN_CORRECTION: bool = True