Add config printing, explain mode, completions, and docs

src/pipeline.rs

@@ -19,7 +19,11 @@ use crate::utils::{sanitize_filename, Semaphore};
 pub fn run(mut settings: Settings) -> Result<Report> {
     ensure_ffprobe()?;
 
-    let output = Arc::new(Output::new(&settings.color, settings.verbose));
+    let output = Arc::new(Output::new(
+        &settings.color,
+        settings.verbose,
+        settings.dry_run_summary,
+    ));
     if settings.no_lookup {
         output.warn("No-lookup mode enabled: using filename/LLM only (no external providers).");
     }
@@ -245,6 +249,18 @@ fn process_file(
             "no match",
             None,
         );
+        if settings.explain && !outcome.candidates.is_empty() {
+            output.detail("  Candidates:");
+            for candidate in summarize_candidates(&outcome.candidates, 5) {
+                output.detail(&format!(
+                    "    - {} ({}) [{}] score {:.1}",
+                    candidate.title,
+                    candidate.year.map(|y| y.to_string()).unwrap_or_else(|| "?".into()),
+                    candidate.provider,
+                    candidate.score * 100.0
+                ));
+            }
+        }
         let entry = ReportEntry {
             input: path.display().to_string(),
             status: "skipped".to_string(),