Add Audita configuration contract

internal/config/load.go

@@ -83,6 +83,7 @@ func applyPipelineDefaults(cfg *PipelineConfig) {
 	}
 	applyWhisperXDefaults(&cfg.WhisperX)
 	applySeriatimDefaults(&cfg.Seriatim)
+	applyAuditaDefaults(&cfg.Audita)
 }
 
 func applyWhisperXDefaults(cfg *WhisperXConfig) {
@@ -129,6 +130,44 @@ func applySeriatimDefaults(cfg *SeriatimConfig) {
 	}
 }
 
+func applyAuditaDefaults(cfg *AuditaConfig) {
+	if cfg == nil {
+		return
+	}
+	if cfg.Timeout == "" {
+		cfg.Timeout = "3h"
+	}
+	if cfg.LLMAPIKeyEnv == "" {
+		cfg.LLMAPIKeyEnv = "AUDITA_LLM_API_KEY"
+	}
+	if cfg.Modules == nil {
+		cfg.Modules = []string{
+			"glossary",
+			"homophones",
+			"glossary",
+			"spoken_word",
+			"grammar",
+			"homophones",
+			"glossary",
+		}
+	}
+	if cfg.BaseURL == "" {
+		cfg.BaseURL = "https://openrouter.ai/api/v1"
+	}
+	if cfg.Model == "" {
+		cfg.Model = "openrouter/google/gemma-4-31b-it"
+	}
+	if cfg.LLMConcurrency == nil {
+		cfg.LLMConcurrency = intPtr(1)
+	}
+	if cfg.ValidationLLMConcurrency == nil {
+		cfg.ValidationLLMConcurrency = intPtr(1)
+	}
+	if cfg.Report == nil {
+		cfg.Report = boolPtr(true)
+	}
+}
+
 func float64Ptr(v float64) *float64 {
 	p := v
 	return &p