From 8a15b083a072db35b0a09c8a072b8faddaa3764b Mon Sep 17 00:00:00 2001
From: Eric Rakestraw <eric@rakestraw.us>
Date: Mon, 3 Aug 2026 19:12:19 +0000
Subject: [PATCH] Raise default LLM concurrency

---
 internal/cli/example_contract_test.go             | 3 +++
 internal/core/config/config.go                    | 8 +++++---
 internal/core/config/file_config_contract_test.go | 6 +++---
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/internal/cli/example_contract_test.go b/internal/cli/example_contract_test.go
index 0b5db7c..d70b33d 100644
--- a/internal/cli/example_contract_test.go
+++ b/internal/cli/example_contract_test.go
@@ -24,6 +24,9 @@ func TestMaintainedExamplesLoadResolveAndList(t *testing.T) {
 	for _, example := range maintainedExampleFiles(t) {
 		t.Run(example.name, func(t *testing.T) {
 			cfg := loadMaintainedExample(t, example.path)
+			if example.name == "complete" && (cfg.Concurrency.TotalLLM != 2 || cfg.Concurrency.StageWorkers["extract"] != 2) {
+				t.Fatalf("complete example concurrency = %#v, want explicit limits of 2", cfg.Concurrency)
+			}
 			raw, err := os.ReadFile(example.transcriptPath)
 			if err != nil {
 				t.Fatalf("read maintained transcript %q: %v", example.transcriptPath, err)
diff --git a/internal/core/config/config.go b/internal/core/config/config.go
index c545ed6..dd94950 100644
--- a/internal/core/config/config.go
+++ b/internal/core/config/config.go
@@ -34,6 +34,8 @@ type ConcurrencyConfig struct {
 	defaultedExtractWorkers  int
 }
 
+const defaultLLMConcurrency = 16
+
 type OutputConfig struct {
 	Directory string `json:"directory"`
 }
@@ -60,9 +62,9 @@ func Default() Config {
 	return Config{
 		Pipelines: map[string]pipeline.PipelineProfile{},
 		Concurrency: ConcurrencyConfig{
-			TotalLLM:                1,
-			StageWorkers:            map[string]int{"extract": 1},
-			defaultedExtractWorkers: 1,
+			TotalLLM:                defaultLLMConcurrency,
+			StageWorkers:            map[string]int{"extract": defaultLLMConcurrency},
+			defaultedExtractWorkers: defaultLLMConcurrency,
 		},
 		Output: OutputConfig{Directory: "./notarius-output"},
 		Cache:  CacheConfig{ChunkPlans: ChunkPlanCacheConfig{Mode: pipeline.ChunkCacheAuto}},
diff --git a/internal/core/config/file_config_contract_test.go b/internal/core/config/file_config_contract_test.go
index dc0dba6..31d6d69 100644
--- a/internal/core/config/file_config_contract_test.go
+++ b/internal/core/config/file_config_contract_test.go
@@ -14,7 +14,7 @@ import (
 
 func TestDefaultReturnsDocumentedValuesAndIndependentMaps(t *testing.T) {
 	first := Default()
-	if first.Concurrency.TotalLLM != 1 || first.Concurrency.StageWorkers["extract"] != 1 {
+	if first.Concurrency.TotalLLM != 16 || first.Concurrency.StageWorkers["extract"] != 16 {
 		t.Fatalf("concurrency defaults = %#v", first.Concurrency)
 	}
 	if first.Output.Directory != "./notarius-output" || first.Debug.Directory != "./notarius-debug" {
@@ -31,7 +31,7 @@ func TestDefaultReturnsDocumentedValuesAndIndependentMaps(t *testing.T) {
 	first.Concurrency.StageWorkers["other"] = 100
 	first.Pipelines["changed"] = pipeline.PipelineProfile{}
 	second := Default()
-	if second.Concurrency.StageWorkers["extract"] != 1 || len(second.Concurrency.StageWorkers) != 1 || len(second.Pipelines) != 0 {
+	if second.Concurrency.StageWorkers["extract"] != 16 || len(second.Concurrency.StageWorkers) != 1 || len(second.Pipelines) != 0 {
 		t.Fatalf("Default() returned state shared with an earlier result: %#v", second)
 	}
 }
@@ -45,7 +45,7 @@ func TestFileConfigMinimalVersion4AppliesOverDefaults(t *testing.T) {
 	if cfg.Output.Directory != "./notarius-output" || cfg.Debug.Directory != "./notarius-debug" || cfg.Cache.ChunkPlans.Mode != pipeline.ChunkCacheAuto {
 		t.Fatalf("minimal file changed unrelated defaults: %#v", cfg)
 	}
-	if cfg.Concurrency.TotalLLM != 1 || cfg.Concurrency.StageWorkers["extract"] != 1 || len(cfg.Pipelines) != 0 {
+	if cfg.Concurrency.TotalLLM != 16 || cfg.Concurrency.StageWorkers["extract"] != 16 || len(cfg.Pipelines) != 0 {
 		t.Fatalf("minimal file did not retain defaults: %#v", cfg)
 	}
 }