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/host/apiproxy/tests/api-proxy-config.spec.ts

@@ -367,9 +367,10 @@ describe('settings domain', () => {
 
   it('invalidates the model catalog when a provider namespace changes, and broadcasts a raw-only change', async () => {
     // Editing `models` changes no route, so llm/adapters-updated never fires
-    // and an open model picker kept serving the old catalog. And storing an
-    // override equal to the resolved value emits nothing on settings/updated,
-    // so another tab never learned the field became overridden.
+    // and an open model picker would keep serving the stale catalog. Storing
+    // an override equal to the resolved value emits nothing on
+    // settings/updated, so another tab would never learn the field became
+    // overridden.
     const ctx = await harness()
     ctx.settings.register(NS, AdapterConfig, { base: { baseURL: 'https://base' } })
     const api = createApiProxy(ctx, DEFAULTS)