docs: purge chain-of-thought leakage from prose

Delete design-session citations (decision/audit/plan ordinals, stack
positions), change narration, review choreography, and reviewer-addressed
justification from comments, JSDoc, docs, READMEs, Agent Notes, tests, and
generator templates; restate every affected fact as current-state contract
prose. Fix generated docs at their sources and regenerate the catalogs and
cordis-surface regions; re-paste type-equiv blocks; update every bilingual
counterpart and re-record the pairs. Record the citation rule in the
committed-artifact-citations Agent Note.

packages/client/ui-slots/src/index.ts

@@ -1,5 +1,5 @@
 /**
- * Slot registry pure core (slot terminal design). Owners declare slot
+ * Slot registry pure core. Owners declare slot
  * contracts by merging into {@link SlotMap}; one `register` call contributes a
  * component AND (optionally) declares child slots, a store seat, and the
  * registrant's business face. Zero runtime dependencies (React types only).

packages/client/ui-slots/src/renderer.ts

@@ -70,8 +70,9 @@ export interface SessionMaybeProvideInfo {
   /** Static plain-member roster; values are undefined with the session. */
   props: Record<string, unknown>
   /**
-   * Key-addressed projection value sources (the useProjection framework seat,
-   * session-projection RFC). Unlike `hooks`, the key space is open — values
+   * Key-addressed projection value sources (the useProjection framework seat;
+   * session-projection subsystem page: docs/subsystems/session-projection.md).
+   * Unlike `hooks`, the key space is open — values
    * arrive from host-computed push frames — so the render side binds per
    * resolved key instead of per static roster member. Faces are always
    * defined per key (absence is an `undefined` snapshot); the whole member is