feat(500): Settings shows the shipped reply shapes, what adjusts each, and how often each arrives

Settings > General > Reply shapes. One menu row per shape (core, completion,
asks, plan): its title and when it arrives, how many of the operator's
preferences adjust it, and its deliveries over 30 days (in full / as a
reminder, "—" when the counts cannot be read). A verdict line leads. Opening a
row shows the shipped text, read-only because it is product, and the
preferences mounted on its moment; each opens in the rule editor, and "Adjust
this" opens a new preference already mounted on the shape's moment with a
starting trigger.

The rule editor takes an optional preset (kind, moments, trigger) and, opened
outside the Rules view, asks where a new record lives instead of dropping it.
GET /api/retrieval/reply-shapes now returns reply_shapes.overview: the
catalog plus mounted preferences (the same lookup that delivers them) and
counts from the reply_shape delivery rows. #5497 (step 5 of milestone 500).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

frontend/src/api/replyShapes.ts

@@ -0,0 +1,47 @@
+import { apiGet } from "@/api/client";
+
+/**
+ * The reply shapes Scribe ships (milestone 500) — `GET /api/retrieval/reply-shapes`.
+ * The same catalog the `list_reply_shapes` MCP tool returns, plus what only
+ * the operator's view needs: the preferences mounted on each shape's moment,
+ * and how often each shape was delivered.
+ */
+export interface ShapePreference {
+  id: number;
+  title: string;
+  statement: string;
+}
+
+/** How often a shape went out: whole, or as its one-line reminder. */
+export interface ShapeDeliveries {
+  full: number;
+  pointer: number;
+}
+
+export interface ReplyShape {
+  key: string;
+  title: string;
+  /** The moment it rides — a preference mounted here adjusts it. */
+  moment: string;
+  /** What is happening at that moment. */
+  means: string;
+  /** When the shape arrives, in words. */
+  delivered: string;
+  /** The shipped text. Product, so read-only. */
+  text: string;
+  preferences: ShapePreference[];
+  /** null when the counts could not be read — unknown, not zero. */
+  deliveries: ShapeDeliveries | null;
+}
+
+export interface ReplyShapesOverview {
+  shapes: ReplyShape[];
+  total: number;
+  days: number;
+  deliveries_failed: boolean;
+}
+
+export async function getReplyShapes(days?: number): Promise<ReplyShapesOverview> {
+  const q = days ? `?days=${days}` : "";
+  return apiGet<ReplyShapesOverview>(`/api/retrieval/reply-shapes${q}`);
+}

frontend/src/api/rulebooks.ts

@@ -54,6 +54,15 @@ export interface RulebookTopic {
  */
 export type RuleKind = "rule" | "preference";
 
+/** A new record opened from somewhere that already knows what it is for —
+ *  "Adjust this" on a reply shape opens a preference mounted on that shape's
+ *  moment (milestone 500 step 5). The editor applies it once, when creating. */
+export interface RulePreset {
+  kind?: RuleKind;
+  moments?: string[];
+  whenToApply?: string;
+}
+
 export interface Rule {
   id: number;
   topic_id: number | null;