WeKnora deployment source with the reviewed wiki identity, summary and recovery fixes

cli/cmd/session/delete.go

@@ -0,0 +1,142 @@
+package sessioncmd
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	"github.com/Tencent/WeKnora/cli/internal/cmdutil"
+	"github.com/Tencent/WeKnora/cli/internal/iostreams"
+	"github.com/Tencent/WeKnora/cli/internal/prompt"
+)
+
+// sessionDeleteFields enumerates the fields surfaced for `--format json`
+// discovery on `session delete`. Tracks the single-id result struct;
+// multi-id mode emits the batch envelope.
+var sessionDeleteFields = []string{"id", "deleted"}
+
+type DeleteOptions struct {
+	Yes    bool // sourced from the global -y/--yes persistent flag
+	DryRun bool
+}
+
+// DeleteService is the narrow SDK surface this command depends on.
+type DeleteService interface {
+	DeleteSession(ctx context.Context, id string) error
+}
+
+// deleteResult is the typed payload emitted under data on single-id success.
+type deleteResult struct {
+	ID      string `json:"id"`
+	Deleted bool   `json:"deleted"`
+}
+
+// NewCmdDelete builds `weknora session delete`. Single-id keeps the simpler
+// code path; multi-id uses keep-going semantics (one -y confirms all,
+// failures collected, exit 1 if any fail).
+func NewCmdDelete(f *cmdutil.Factory) *cobra.Command {
+	opts := &DeleteOptions{}
+	cmd := &cobra.Command{
+		Use:   "delete <session-id> [<session-id>...]",
+		Short: "Delete one or more chat sessions",
+		Long: `Permanently delete one or more chat sessions and their messages.
+
+Prompts for confirmation by default when stdout is a TTY and JSON output is
+not set. Pass -y/--yes (global flag) to skip the prompt (required in agent
+/ CI / piped contexts).
+
+Single-id: one confirm prompt, exit 0/1.
+Multi-id:
+  • Default keep-going: failed deletes do NOT stop the run; failures collected.
+  • One -y/--yes confirms all sessions.
+  • Exit 0 if all succeed; exit 1 if any failed.
+
+AI agents: This is a high-risk write. Without -y/--yes the CLI exits 10
+and writes input.confirmation_required to stderr. NEVER auto-pass -y
+without the user's explicit go-ahead.`,
+		Example: `  weknora session delete s_abc                  # interactive confirm
+  weknora session delete s_abc -y               # no prompt
+  weknora session delete s_abc -y --format json # bare {id, deleted:true} JSON
+  weknora session delete s_a s_b s_c -y         # delete 3, keep-going`,
+		Args: cobra.MinimumNArgs(1),
+		RunE: func(c *cobra.Command, args []string) error {
+			opts.Yes, _ = c.Flags().GetBool("yes")
+			fopts, err := cmdutil.CheckFormatFlag(c)
+			if err != nil {
+				return err
+			}
+			fopts.ResolveDefault(iostreams.IO.IsStdoutTTY())
+			if handled, err := cmdutil.HandleDryRun(c, opts.DryRun, cmdutil.DryRunPlan{
+				Action: "session.delete",
+				Args: map[string]any{
+					"session_ids": args,
+				},
+			}); handled {
+				return err
+			}
+			cli, err := f.Client()
+			if err != nil {
+				return err
+			}
+			// Single-id uses the simpler code path (bare {id, deleted}).
+			if len(args) == 1 {
+				return runDelete(c.Context(), opts, fopts, cli, f.Prompter(), args[0])
+			}
+			batchRetry := append([]string{"weknora", "session", "delete"}, args...)
+			batchRetry = append(batchRetry, "-y")
+			if err := cmdutil.ConfirmDestructiveBatch(f.Prompter(), opts.Yes, fopts.WantsJSON(), "delete", "session", len(args), "session.delete", batchRetry); err != nil {
+				return err
+			}
+			outcomes, runErr := cmdutil.RunBatch(c.Context(), args, func(ctx context.Context, id string) error {
+				if err := cli.DeleteSession(ctx, id); err != nil {
+					return cmdutil.WrapHTTP(err, "delete session %s", id)
+				}
+				return nil
+			})
+			// Only emit when the operation actually ran. Pre-flight errors
+			// (e.g. confirmation_required) must leave stdout empty per the
+			// wire contract in README.md.
+			if len(outcomes) > 0 {
+				if emitErr := cmdutil.EmitBatch(outcomes, fopts, iostreams.IO.Out, cmdutil.DeletedAtNow); emitErr != nil {
+					return emitErr
+				}
+			}
+			return runErr
+		},
+	}
+	cmdutil.AddFormatFlag(cmd, sessionDeleteFields...)
+	cmdutil.AddDryRunFlag(cmd, &opts.DryRun)
+	cmdutil.SetRisk(cmd, "session.delete")
+	cmdutil.SetAgentHelp(cmd, cmdutil.AgentHelp{
+		UsedFor:       "permanently delete one or more chat sessions and their messages",
+		RequiredFlags: []string{"<session-id>... (positional, at least one)"},
+		Examples: []string{
+			"weknora session delete s_abc -y",
+			"weknora session delete s_a s_b s_c -y",
+			"weknora session delete s_abc -y --format json",
+		},
+		Output: "envelope.data shape depends on the form: a single session id -> {id, deleted:true}; multiple ids -> batch envelope (top-level status success|partial|error, ok=(failures==0), data per-item [{id, ok, error?}], meta.successes/failures — read data[].ok per id).",
+		Warnings: []string{
+			"Requires explicit user approval (exit 10 / input.confirmation_required); never auto-add -y.",
+			"session delete is irreversible; loses the conversation + all messages + tool call history.",
+		},
+	})
+	return cmd
+}
+
+func runDelete(ctx context.Context, opts *DeleteOptions, fopts *cmdutil.FormatOptions, svc DeleteService, p prompt.Prompter, id string) error {
+	if err := cmdutil.ConfirmDestructive(p, opts.Yes, fopts.WantsJSON(), "delete", "session", id, "session.delete", []string{"weknora", "session", "delete", id, "-y"}); err != nil {
+		return err
+	}
+
+	if err := svc.DeleteSession(ctx, id); err != nil {
+		return cmdutil.WrapHTTP(err, "delete session %s", id)
+	}
+
+	if fopts.WantsJSON() {
+		return fopts.Emit(iostreams.IO.Out, deleteResult{ID: id, Deleted: true}, nil)
+	}
+	fmt.Fprintf(iostreams.IO.Out, "✓ Deleted session %s\n", id)
+	return nil
+}