Refactored, added comprehensive testing.

input/input.go

@@ -0,0 +1,39 @@
+package input
+
+import (
+	"fmt"
+
+	"git.wisehodl.dev/jay/aicli/config"
+)
+
+// ResolveInputs orchestrates the complete input resolution pipeline.
+// Returns aggregated prompts and files ready for query construction.
+func ResolveInputs(cfg config.ConfigData, stdinContent string, hasStdin bool) (InputData, error) {
+	// Determine stdin role (CA -> CB)
+	role := DetermineRole(cfg, hasStdin)
+
+	// Read all sources (CC, CD)
+	prompts, err := ReadPromptSources(cfg)
+	if err != nil {
+		return InputData{}, err
+	}
+
+	files, err := ReadFileSources(cfg)
+	if err != nil {
+		return InputData{}, err
+	}
+
+	// Aggregate with stdin (CE, CF)
+	finalPrompts := AggregatePrompts(prompts, stdinContent, role)
+	finalFiles := AggregateFiles(files, stdinContent, role)
+
+	// Validate at least one input exists
+	if len(finalPrompts) == 0 && len(finalFiles) == 0 {
+		return InputData{}, fmt.Errorf("no input provided: supply stdin, --file, or --prompt")
+	}
+
+	return InputData{
+		Prompts: finalPrompts,
+		Files:   finalFiles,
+	}, nil
+}