Phase 5: scaffold Crucible (sow-tools) — dispatcher + builder shims, container, PR-first CI, fail-closed (D11, D19).

internal/music/metadata.go

@@ -1,62 +0,0 @@
-package music
-
-import (
-	"encoding/json"
-	"fmt"
-	"os/exec"
-	"strings"
-)
-
-func ProbeMetadata(ffprobePath, sourcePath string) (Metadata, error) {
-	cmd := exec.Command(ffprobePath, "-v", "quiet", "-print_format", "json", "-show_format", sourcePath)
-	output, err := cmd.Output()
-	if err != nil {
-		return Metadata{}, err
-	}
-	var payload struct {
-		Format struct {
-			Tags map[string]string `json:"tags"`
-		} `json:"format"`
-	}
-	if err := json.Unmarshal(output, &payload); err != nil {
-		return Metadata{}, err
-	}
-	tags := make(map[string]string, len(payload.Format.Tags))
-	for key, value := range payload.Format.Tags {
-		tags[strings.ToLower(strings.TrimSpace(key))] = strings.TrimSpace(value)
-	}
-	return Metadata{
-		Title:     FirstNonEmpty(tags["title"]),
-		Artist:    FirstNonEmpty(tags["artist"], tags["album_artist"], tags["composer"]),
-		Album:     FirstNonEmpty(tags["album"]),
-		Date:      FirstNonEmpty(tags["date"], tags["year"]),
-		Comment:   FirstNonEmpty(tags["comment"], tags["description"]),
-		Copyright: FirstNonEmpty(tags["copyright"]),
-		License:   FirstNonEmpty(tags["license"], tags["license_url"]),
-	}, nil
-}
-
-func ConvertSource(ffmpegPath, sourcePath, outputPath string) error {
-	cmd := exec.Command(
-		ffmpegPath, "-y",
-		"-i", sourcePath,
-		"-vn",
-		"-map_metadata", "-1",
-		"-ar", "44100",
-		"-ac", "2",
-		"-b:a", "192k",
-		"-codec:a", "libmp3lame",
-		"-write_xing", "0",
-		"-f", "mp3",
-		outputPath,
-	)
-	output, err := cmd.CombinedOutput()
-	if err != nil {
-		message := strings.TrimSpace(string(output))
-		if message == "" {
-			message = err.Error()
-		}
-		return fmt.Errorf("%s", message)
-	}
-	return nil
-}