fix wrong herdr response parse + add labels and branch names to delegations

src/multi-work.ts

@@ -28,7 +28,11 @@ const inputSchema = z
         sessionID: z.string().optional(),
         background: z.boolean().optional(),
         worktree: z
-            .object({ base: z.string().trim().min(1) })
+            .object({
+                base: z.string().trim().min(1),
+                branch: z.string().trim().min(1).optional(),
+                label: z.string().trim().min(1).optional(),
+            })
             .strict()
             .optional(),
     })
@@ -180,7 +184,7 @@ export const installMultiWork = (
                         agent: { type: "string", enum: ["fast-lo", "coordinate"] },
                     };
                     tool.description =
-                        "Delegate to fast-lo locally, or coordinate in a new Herdr worktree using worktree: {base}. Continue an owned coordinate child with sessionID and no worktree argument. Native background and results apply.";
+                        "Delegate to fast-lo locally, or coordinate in a new Herdr worktree using worktree: {base, branch?, label?}. Prefer descriptive human-readable branch and label values, for example {base:'main',branch:'fix/login-timeout',label:'Fix login timeout'}. Continue an owned coordinate child with sessionID and no worktree argument; naming fields are create-only. Native background and results apply.";
                 }
             }).pipe(Effect.orDie),
         );
@@ -275,7 +279,7 @@ export const installMultiWork = (
                                     herdr.verify(
                                         binding.directory,
                                         binding.workspaceID,
-                                        binding.root.repo,
+                                        binding.root,
                                         binding.branch,
                                         signal,
                                     ),
@@ -319,7 +323,8 @@ export const installMultiWork = (
                                             throw new Error(
                                                 "Native executor returned an unexpected child",
                                             );
-                                        const branch = `multi-work/${randomUUID()}`;
+                                        const branch =
+                                            worktree.branch ?? `multi-work/${randomUUID()}`;
                                         yield* context.storage.set(callKey, {
                                             child: id,
                                             branch,
@@ -327,7 +332,13 @@ export const installMultiWork = (
                                         });
                                         yield* call.progress({ ...metadata, branch });
                                         const destination = yield* Effect.tryPromise((signal) =>
-                                            herdr.create(root, worktree.base, branch, signal),
+                                            herdr.create(
+                                                root,
+                                                worktree.base,
+                                                branch,
+                                                signal,
+                                                worktree.label,
+                                            ),
                                         );
                                         const binding = {
                                             owner: call.sessionID,