fix: pre-select all in init prompt, preserve agent paths with slashes, fix rollback off-by-one

internal/cli/init.go

@@ -49,7 +49,11 @@ func NewInit(reg *adapter.Registry) *cobra.Command {
 			var picked []string
 			switch {
 			case len(from) > 0:
-				picked = from
+				for _, f := range from {
+					if f != "" {
+						picked = append(picked, f)
+					}
+				}
 			case noPrompt:
 				picked = candidates
 			default:
@@ -58,6 +62,14 @@ func NewInit(reg *adapter.Registry) *cobra.Command {
 					return err
 				}
 			}
+			if len(picked) == 0 {
+				return fmt.Errorf("no harnesses selected; rerun with --no-prompt or --from <name,name>")
+			}
+			for _, name := range picked {
+				if _, ok := reg.Get(name); !ok {
+					return fmt.Errorf("unknown adapter %q (try `harness-sync adapter list`)", name)
+				}
+			}
 			return runImport(cmd, reg, r, home, picked)
 		},
 	}
@@ -134,7 +146,10 @@ func runImport(cmd *cobra.Command, reg *adapter.Registry, root, home string, pic
 	if err := repo.Commit(fmt.Sprintf("import from %s", strings.Join(picked, ", "))); err != nil {
 		return err
 	}
-	_, _ = fmt.Fprintf(cmd.OutOrStdout(), "imported from %v into %s\n", picked, root)
+	_, _ = fmt.Fprintf(cmd.OutOrStdout(),
+		"imported from %v into %s\n  skills:       %d\n  agents:       %d\n  mcp servers:  %d\n  instructions: %d source(s)\n",
+		picked, root, len(bundle.Skills), len(bundle.Agents), len(bundle.MCP.Servers), len(instructions),
+	)
 	return nil
 }
 
@@ -183,7 +198,11 @@ func writeCanonical(root string, b *canonical.Bundle, picked []string) error {
 	}
 
 	for _, s := range b.Skills {
-		path := filepath.Join(root, "skills", s.Name, "SKILL.md")
+		rel := s.Path
+		if rel == "" {
+			rel = filepath.Join(safeFilename(s.Name), "SKILL.md")
+		}
+		path := filepath.Join(root, "skills", rel)
 		if err := os.MkdirAll(filepath.Dir(path), 0o750); err != nil {
 			return err
 		}
@@ -192,7 +211,14 @@ func writeCanonical(root string, b *canonical.Bundle, picked []string) error {
 		}
 	}
 	for _, a := range b.Agents {
-		path := filepath.Join(root, "agents", a.Name+".md")
+		rel := a.Path
+		if rel == "" {
+			rel = safeFilename(a.Name) + ".md"
+		}
+		path := filepath.Join(root, "agents", rel)
+		if err := os.MkdirAll(filepath.Dir(path), 0o750); err != nil {
+			return err
+		}
 		if err := os.WriteFile(path, []byte(a.Body), 0o600); err != nil {
 			return err
 		}
@@ -205,3 +231,10 @@ func writeCanonical(root string, b *canonical.Bundle, picked []string) error {
 	}
 	return nil
 }
+
+// safeFilename strips path separators and other characters that would break
+// when used as a basename.
+func safeFilename(s string) string {
+	r := strings.NewReplacer("/", "-", "\\", "-", ":", "-", "\x00", "")
+	return r.Replace(s)
+}

internal/gitx/repo.go

@@ -68,7 +68,12 @@ func (r *Repo) IsRepo() bool {
 	return err == nil
 }
 
+// Revert undoes the last N commits with `git revert --no-edit HEAD~N..HEAD`.
+// n must be >= 1.
 func (r *Repo) Revert(n int) error {
-	_, err := r.run("revert", "--no-edit", fmt.Sprintf("HEAD~%d..HEAD", n-1))
+	if n < 1 {
+		return fmt.Errorf("revert: n must be >= 1, got %d", n)
+	}
+	_, err := r.run("revert", "--no-edit", fmt.Sprintf("HEAD~%d..HEAD", n))
 	return err
 }

internal/ui/prompts.go

@@ -44,19 +44,28 @@ func MultiSelect(title string, choices []string, opts ...Option) ([]string, erro
 		}
 		return o.nonInteractive, nil
 	}
-	var picked []string
+	// Pre-select every choice. Users deselect what they don't want; hitting
+	// enter without toggling thus accepts all (the common case) instead of
+	// silently producing an empty result.
+	picked := make([]string, len(choices))
+	copy(picked, choices)
+
 	opts2 := make([]huh.Option[string], 0, len(choices))
 	for _, c := range choices {
-		opts2 = append(opts2, huh.NewOption(c, c))
+		opts2 = append(opts2, huh.NewOption(c, c).Selected(true))
 	}
 	form := huh.NewForm(huh.NewGroup(
 		huh.NewMultiSelect[string]().
 			Title(title).
+			Description("space to toggle · enter to confirm · all pre-selected").
 			Options(opts2...).
 			Value(&picked),
 	))
 	if err := form.Run(); err != nil {
 		return nil, err
 	}
+	if len(picked) == 0 {
+		return nil, fmt.Errorf("no items selected")
+	}
 	return picked, nil
 }