dvflw
diff --git a/‎CLAUDE.md‎
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diff --git a/‎packages/engine/internal/audit/audit.go‎
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diff --git a/‎packages/engine/internal/cli/repos.go‎
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@@ -80,6 +80,10 @@ mantle env update <name>      # Replace inputs/env on an existing environment
 mantle env list               # List named environments
 mantle env get <name>         # Show environment details (env values redacted; --reveal to unredact, audited)
 mantle env delete <name> -y   # Delete a named environment (requires --yes)
+mantle repos add <name> --url <url> --credential <cred>  # Register a GitOps source repo
+mantle repos list              # List registered repos with last-sync status
+mantle repos status <name>     # Show detailed repo status
+mantle repos remove <name> -y  # Unregister a repo (requires --yes)
 mantle run <wf> --values f.yaml   # Run with a values file (inputs + env overrides)
 mantle run <wf> --env <name>      # Run against a stored named environment
 mantle plan <wf> --env <name>     # Plan; appends resolved inputs/env with source
@@ -91,6 +95,27 @@ mantle serve                  # Start persistent server
 - **Workflow inputs** (consumed by `inputs.<name>` in CEL): `--input` flags > `--values` file `inputs:` > `--env` named-environment `inputs` > workflow definition `default`
 - **Env vars** (consumed by `env.<KEY>` in CEL): `MANTLE_ENV_*` OS vars > `--values` file `env:` > `--env` named-environment `env` > config `env:` section in `mantle.yaml`
 
+## GitOps Config
+
+Register repos in `mantle.yaml` under `git_sync.repos`:
+
+```yaml
+git_sync:
+  repos:
+    - name: acme
+      url: https://github.com/acme/workflows.git
+      branch: main
+      path: /
+      poll_interval: 60s
+      credential: github-pat   # must reference a secret of type: git
+      auto_apply: true
+      prune: true
+```
+
+Credentials of type `git` accept `token` (for HTTPS), `ssh_key` (for SSH), and optional `username`. At least one of `token` or `ssh_key` is required.
+
+> Plan A ships the repo registry and CLI only. The sync engine that consumes this block — pulling from the sidecar, validating, and applying workflow YAML — ships in the next milestone. Registering a repo today has no runtime effect yet beyond persistence.
+
 ## License
 
 BSL/SSPL-style — source available, no commercial resale of forks.
@@ -61,6 +61,11 @@ const (
 	ActionEnvironmentUpdated  Action = "environment.updated"
 	ActionEnvironmentDeleted  Action = "environment.deleted"
 	ActionEnvironmentRevealed Action = "environment.revealed"
+
+	// Git repo operations.
+	ActionRepoAdded   Action = "repo.created"
+	ActionRepoUpdated Action = "repo.updated"
+	ActionRepoRemoved Action = "repo.deleted"
 )
 
 // Resource identifies the target of an audit event.
 
@@ -0,0 +1,211 @@
+package cli
+
+import (
+	"fmt"
+	"text/tabwriter"
+
+	"github.com/dvflw/mantle/internal/config"
+	"github.com/dvflw/mantle/internal/db"
+	"github.com/dvflw/mantle/internal/repo"
+	"github.com/spf13/cobra"
+)
+
+// newReposCommand returns the "repos" subcommand for managing registered
+// GitOps source repositories (issue #16). Subcommands handle registration,
+// listing, detailed status, and removal. Sync behavior lives in Plan B.
+func newReposCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "repos",
+		Short: "Manage GitOps workflow source repositories",
+		Long: `Registers GitOps source repositories whose workflow YAML definitions will be
+synced into this Mantle instance. This command manages the registry; the sync
+engine itself (sidecar, file discovery, validate/plan/apply) ships in a later
+milestone. Auth material is stored in a "git" credential type
+(` + "`mantle secrets create --type git`" + `) and referenced here by name.`,
+	}
+	cmd.AddCommand(newReposAddCommand())
+	cmd.AddCommand(newReposListCommand())
+	cmd.AddCommand(newReposStatusCommand())
+	cmd.AddCommand(newReposRemoveCommand())
+	return cmd
+}
+
+// newRepoStore builds a repo.Store from the current command context.
+func newRepoStore(cmd *cobra.Command) (*repo.Store, func(), error) {
+	cfg := config.FromContext(cmd.Context())
+	if cfg == nil {
+		return nil, nil, fmt.Errorf("config not loaded")
+	}
+	database, err := db.Open(cfg.Database)
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to connect to database: %w", err)
+	}
+	store := &repo.Store{DB: database, Actor: "cli"}
+	cleanup := func() { database.Close() }
+	return store, cleanup, nil
+}
+
+func newReposAddCommand() *cobra.Command {
+	var url, branch, path, pollInterval, credential string
+	var autoApply, prune bool
+
+	cmd := &cobra.Command{
+		Use:   "add <name>",
+		Short: "Register a new GitOps source repo",
+		Long: `Registers a new repository to sync workflow definitions from. The named
+credential must already exist and be of type "git".`,
+		Example: `  mantle repos add acme --url https://github.com/acme/workflows.git --credential github-pat
+  mantle repos add staging --url git@github.com:acme/wf.git --credential github-ssh --branch release`,
+		Args: cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			store, cleanup, err := newRepoStore(cmd)
+			if err != nil {
+				return err
+			}
+			defer cleanup()
+
+			r, err := store.Create(cmd.Context(), repo.CreateParams{
+				Name:         args[0],
+				URL:          url,
+				Branch:       branch,
+				Path:         path,
+				PollInterval: pollInterval,
+				Credential:   credential,
+				AutoApply:    autoApply,
+				Prune:        prune,
+			})
+			if err != nil {
+				return err
+			}
+			fmt.Fprintf(cmd.OutOrStdout(), "Added repo %q (%s)\n", r.Name, r.ID)
+			return nil
+		},
+	}
+
+	cmd.Flags().StringVar(&url, "url", "", "Git repository URL (required)")
+	cmd.Flags().StringVar(&branch, "branch", "main", "Branch to sync")
+	cmd.Flags().StringVar(&path, "path", "/", "Subdirectory inside the repo to scan")
+	cmd.Flags().StringVar(&pollInterval, "poll-interval", "60s", "Interval between syncs (Go duration, min 10s)")
+	cmd.Flags().StringVar(&credential, "credential", "", "Git credential name (required)")
+	cmd.Flags().BoolVar(&autoApply, "auto-apply", true, "Automatically apply changes (false = plan-only)")
+	cmd.Flags().BoolVar(&prune, "prune", true, "When true, workflows deleted from the repo are disabled in Mantle")
+	_ = cmd.MarkFlagRequired("url")
+	_ = cmd.MarkFlagRequired("credential")
+
+	return cmd
+}
+
+func newReposStatusCommand() *cobra.Command {
+	return &cobra.Command{
+		Use:   "status <name>",
+		Short: "Show detailed status for a registered repo",
+		Long: `Displays all persisted fields for a registered repository, including the
+URL, branch, polling interval, credential reference, enable state, and the
+outcome of the most recent sync attempt (SHA, timestamp, and any error).`,
+		Example: `  mantle repos status acme
+  mantle repos status staging --database-url postgres://localhost/mantle`,
+		Args: cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			store, cleanup, err := newRepoStore(cmd)
+			if err != nil {
+				return err
+			}
+			defer cleanup()
+
+			r, err := store.Get(cmd.Context(), args[0])
+			if err != nil {
+				return err
+			}
+			out := cmd.OutOrStdout()
+			fmt.Fprintf(out, "Name:         %s\n", r.Name)
+			fmt.Fprintf(out, "ID:           %s\n", r.ID)
+			fmt.Fprintf(out, "URL:          %s\n", r.URL)
+			fmt.Fprintf(out, "Branch:       %s\n", r.Branch)
+			fmt.Fprintf(out, "Path:         %s\n", r.Path)
+			fmt.Fprintf(out, "Poll:         %s\n", r.PollInterval)
+			fmt.Fprintf(out, "Credential:   %s\n", r.Credential)
+			fmt.Fprintf(out, "Auto-Apply:   %t\n", r.AutoApply)
+			fmt.Fprintf(out, "Prune:        %t\n", r.Prune)
+			fmt.Fprintf(out, "Enabled:      %t\n", r.Enabled)
+			if r.LastSyncAt != nil {
+				fmt.Fprintf(out, "Last Sync:    %s (SHA %s)\n",
+					r.LastSyncAt.UTC().Format("2006-01-02 15:04:05 UTC"), r.LastSyncSHA)
+			} else {
+				fmt.Fprintln(out, "Last Sync:    (never)")
+			}
+			if r.LastSyncError != "" {
+				fmt.Fprintf(out, "Last Error:   %s\n", r.LastSyncError)
+			}
+			return nil
+		},
+	}
+}
+
+func newReposRemoveCommand() *cobra.Command {
+	var yes bool
+	cmd := &cobra.Command{
+		Use:   "remove <name>",
+		Short: "Unregister a GitOps source repo",
+		Long: `Unregisters a repo. Any previously applied workflows remain in place — this
+command only stops future syncs. Requires --yes to confirm.`,
+		Args: cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			if !yes {
+				return fmt.Errorf("refusing to remove %q without --yes", args[0])
+			}
+			store, cleanup, err := newRepoStore(cmd)
+			if err != nil {
+				return err
+			}
+			defer cleanup()
+
+			if err := store.Delete(cmd.Context(), args[0]); err != nil {
+				return err
+			}
+			fmt.Fprintf(cmd.OutOrStdout(), "Removed repo %q\n", args[0])
+			return nil
+		},
+	}
+	cmd.Flags().BoolVarP(&yes, "yes", "y", false, "Confirm deletion (required)")
+	return cmd
+}
+
+func newReposListCommand() *cobra.Command {
+	return &cobra.Command{
+		Use:   "list",
+		Short: "List all registered GitOps repos",
+		Long: `Prints a table of all repositories registered for the current team, ordered
+by name. Columns include the repo URL, target branch, auto-apply flag, enable
+state, and timestamp of the last successful sync.`,
+		Example: `  mantle repos list
+  mantle repos list --database-url postgres://localhost/mantle`,
+		Args: cobra.NoArgs,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			store, cleanup, err := newRepoStore(cmd)
+			if err != nil {
+				return err
+			}
+			defer cleanup()
+
+			repos, err := store.List(cmd.Context())
+			if err != nil {
+				return err
+			}
+			if len(repos) == 0 {
+				fmt.Fprintln(cmd.OutOrStdout(), "(no repos)")
+				return nil
+			}
+			w := tabwriter.NewWriter(cmd.OutOrStdout(), 0, 0, 2, ' ', 0)
+			fmt.Fprintln(w, "NAME\tURL\tBRANCH\tAUTO-APPLY\tENABLED\tLAST SYNC")
+			for _, r := range repos {
+				last := "(never)"
+				if r.LastSyncAt != nil {
+					last = r.LastSyncAt.UTC().Format("2006-01-02 15:04:05 UTC")
+				}
+				fmt.Fprintf(w, "%s\t%s\t%s\t%t\t%t\t%s\n",
+					r.Name, r.URL, r.Branch, r.AutoApply, r.Enabled, last)
+			}
+			return w.Flush()
+		},
+	}
+}