refactor(net): give origin follow its own options

js/net/api/index.api.md

@@ -388,10 +388,13 @@ export namespace Origin {
 		announced(scope?: Path.Pattern, options?: Announce.Options): Announce.Consumer;
 		get closed(): Signals.GetPromise<Error | null>;
 		get discovery(): Signals.Getter<boolean | undefined>;
-		follow(path: Path.Valid, options?: Origin.RequestOptions): Origin.Following;
+		follow(path: Path.Valid, options?: Origin.FollowOptions): Origin.Following;
 		request(path: Path.Valid, options?: Origin.RequestOptions): Origin.Requesting;
 	}
 	export type Cost = bigint;
+	export interface FollowOptions {
+		instance?: Instance.Valid;
+	}
 	export class Following {
 		readonly active: Signals.Getter<Broadcast.Consumer | undefined>;
 		close(): void;
@@ -414,7 +417,7 @@ export namespace Origin {
 		consume(): Origin.Consumer;
 		createBroadcast(path: Path.Valid): Origin.Publication;
 		get discovery(): Signals.Getter<boolean | undefined>;
-		follow(path: Path.Valid, options?: Origin.RequestOptions): Origin.Following;
+		follow(path: Path.Valid, options?: Origin.FollowOptions): Origin.Following;
 		request(path: Path.Valid, options?: Origin.RequestOptions): Origin.Requesting;
 		requests(prefix: Path.Valid): Origin.Requests;
 		scope(root: Path.Valid, patterns: Path.Patterns): Origin.Producer;
@@ -435,7 +438,7 @@ export namespace Origin {
 		announced(scope?: Path.Pattern, options?: Announce.Options): Announce.Consumer;
 		readonly closed: Signals.GetPromise<Error | null>;
 		readonly discovery: Signals.Getter<boolean | undefined>;
-		follow(path: Path.Valid, options?: Origin.RequestOptions): Origin.Following;
+		follow(path: Path.Valid, options?: Origin.FollowOptions): Origin.Following;
 		request(path: Path.Valid, options?: Origin.RequestOptions): Origin.Requesting;
 	}
 	export class Request {

js/net/src/origin.ts

@@ -1220,7 +1220,7 @@ export interface Reader {
 	request(path: Path.Valid, options?: RequestOptions): Requesting;
 
 	/** Follow `path` across publisher instances; see {@link Consumer.follow}. */
-	follow(path: Path.Valid, options?: RequestOptions): Following;
+	follow(path: Path.Valid, options?: FollowOptions): Following;
 
 	/** The available broadcasts under `scope`, as a live stream; see {@link Consumer.announced}. */
 	announced(scope?: Path.Pattern, options?: Announce.Options): Announce.Consumer;
@@ -1258,12 +1258,18 @@ export interface Table extends Reader {
 	): Requests;
 }
 
-/** Options for resolving a broadcast path, by {@link Consumer.request} or {@link Consumer.follow}. */
+/** Options for resolving one publisher instance with {@link Consumer.request}. */
 export interface RequestOptions {
 	/** Refuse a different publisher instance, including an asynchronous answer or a retry. */
 	instance?: Instance.Valid;
 }
 
+/** Options for following a broadcast path with {@link Consumer.follow}. */
+export interface FollowOptions {
+	/** Follow only this publisher instance, waiting for it to return across gaps. */
+	instance?: Instance.Valid;
+}
+
 /**
  * The write side of an origin: create broadcasts by path and advertise them.
  *
@@ -1662,7 +1668,7 @@ export class Producer implements Table {
 	}
 
 	/** Follow `path` across publisher instances; see {@link Consumer.follow}. */
-	follow(path: Path.Valid, options?: RequestOptions): Following {
+	follow(path: Path.Valid, options?: FollowOptions): Following {
 		return this.#reader.follow(path, options);
 	}
 
@@ -1954,7 +1960,7 @@ export class Consumer implements Reader {
 	 * its path until closed. Requires discovery: a session without it never serves a follower.
 	 * A selected handler's refusal or the origin closing ends it.
 	 */
-	follow(path: Path.Valid, options: RequestOptions = {}): Following {
+	follow(path: Path.Valid, options: FollowOptions = {}): Following {
 		const instance = options.instance;
 		const absolute = this.#scope.path(path);
 		Path.Pattern.literal(path);

quest/m1/api-audit/resolve/README.md

@@ -1,4 +1,4 @@
-# Two broadcast resolutions
+# [M] Two broadcast resolutions
 
 ## Goal
 
@@ -54,10 +54,6 @@ Public API: breaking task shape in moq-net; behavior changes in `@moq/net` and
 the bindings. The method and epoch renames broke every wrapper.
 Wire: none.
 
-## Required
-
-- [JS follow takes FollowOptions](/quest/m1/api-audit/resolve/follow-options.md) - `follow` and `request` get their own JS options types
-
 ## Related
 
 - [Origin fronts park](/quest/m2/origin-front-parks.md) - touches the same retry