Prepare reports for Promptkit migration

internal/promptassets/promptassets.go

@@ -0,0 +1,49 @@
+// Package promptassets owns the embedded Promptkit prompt and schema corpus.
+package promptassets
+
+import (
+	"embed"
+	"fmt"
+	"io/fs"
+)
+
+//go:embed assets/prompts assets/schemas
+var assets embed.FS
+
+var schemaPaths = map[string]string{
+	"daily":    "assets/schemas/daily.generated_text.schema.json",
+	"hourly":   "assets/schemas/hourly.generated_text.schema.json",
+	"today":    "assets/schemas/today.generated_text.schema.json",
+	"tomorrow": "assets/schemas/tomorrow.generated_text.schema.json",
+}
+
+// PromptFS returns the embedded prompt definitions and their referenced files.
+func PromptFS() fs.FS {
+	fsys, err := fs.Sub(assets, "assets/prompts")
+	if err != nil {
+		panic(fmt.Sprintf("embedded prompt assets: %v", err))
+	}
+	return fsys
+}
+
+// SchemaFS returns the embedded generated-text JSON schemas.
+func SchemaFS() fs.FS {
+	fsys, err := fs.Sub(assets, "assets/schemas")
+	if err != nil {
+		panic(fmt.Sprintf("embedded schema assets: %v", err))
+	}
+	return fsys
+}
+
+// Schema returns an independent copy of the canonical schema for id.
+func Schema(id string) ([]byte, error) {
+	path, ok := schemaPaths[id]
+	if !ok {
+		return nil, fmt.Errorf("unknown generated text schema %q", id)
+	}
+	data, err := assets.ReadFile(path)
+	if err != nil {
+		return nil, fmt.Errorf("read generated text schema %q: %w", id, err)
+	}
+	return append([]byte(nil), data...), nil
+}