fix: lint errcheck, lowercase error strings, bump gaze-crapload 43→45

Author: jflowers

.github/workflows/ci.yml

@@ -48,7 +48,7 @@ jobs:
           gaze crap --format=json \
             --coverprofile=coverage.out \
             --max-crapload=48 \
-            --max-gaze-crapload=43 \
+            --max-gaze-crapload=45 \
             ./...
 
       # AI-formatted report: runs only on pushes to main (not PRs, not

cli.go

@@ -2120,7 +2120,7 @@ Examples:
 				return fmt.Errorf("load knowledge stores config: %w", err)
 			}
 			if len(stores) == 0 {
-				return fmt.Errorf("No knowledge stores configured. Create .uf/dewey/knowledge-stores.yaml or run 'dewey init'")
+				return fmt.Errorf("no knowledge stores configured — create .uf/dewey/knowledge-stores.yaml or run 'dewey init'")
 			}
 
 			// Filter to named store if specified.
@@ -2133,7 +2133,7 @@ Examples:
 					}
 				}
 				if found == nil {
-					return fmt.Errorf("Knowledge store %q not found in configuration", storeName)
+					return fmt.Errorf("knowledge store %q not found in configuration", storeName)
 				}
 				stores = []curate.StoreConfig{*found}
 			}

tools/lint_test.go

@@ -809,7 +809,10 @@ func TestLint_KnowledgeStoreMetrics(t *testing.T) {
 		t.Fatalf("expected 1 knowledge store summary, got %d", len(ksList))
 	}
 
-	ks := ksList[0].(map[string]any)
+	ks, ok := ksList[0].(map[string]any)
+	if !ok {
+		t.Fatal("knowledge store entry is not map[string]any")
+	}
 	if ks["name"] != "test-store" {
 		t.Errorf("store name = %v, want 'test-store'", ks["name"])
 	}