Isolate pipeline configuration discovery

internal/app/command_dependencies.go

@@ -11,6 +11,7 @@ import (
 
 type commandDependencies struct {
 	diagnostics                io.Writer
+	resolvePipelineConfigPath  func(string) (string, error)
 	loadPipelineConfig         func(string, config.PipelineLoadOptions) (*config.PipelineConfig, error)
 	downloadObjectToTemp       func(context.Context, storage.ObjectStore, string, string) (string, error)
 	loadSecretsDir             func(string) (*configkit.SecretsReport, error)
@@ -25,6 +26,9 @@ func normalizeCommandDependencies(deps commandDependencies) commandDependencies
 	if deps.diagnostics == nil {
 		deps.diagnostics = io.Discard
 	}
+	if deps.resolvePipelineConfigPath == nil {
+		deps.resolvePipelineConfigPath = resolvePipelineConfigPath
+	}
 	if deps.loadPipelineConfig == nil {
 		deps.loadPipelineConfig = config.LoadPipelineWithOptions
 	}