chore(insights): align the ambient-Coach file comments to the shipped version

The A1–A3 source files carried v1.22.0 docstrings from before the work was
re-cut as the v1.21.2 point release. Comment-only sweep so blame and the
in-file version tags read consistently with the shipped version.

src/components/insights/coach-panel/__tests__/scope-hint-badge.test.tsx

@@ -13,7 +13,7 @@ function render(node: React.ReactNode, locale: "en" | "de" = "en") {
 }
 
 /**
- * v1.22.0 (A2 + A3) — the visible scope/opener affordance.
+ * v1.21.2 (A2 + A3) — the visible scope/opener affordance.
  *
  * The component renders in the `node` test environment via static markup, so
  * the tests assert the structural slots + the caller-resolved label / question

src/components/insights/coach-panel/coach-hero.tsx

@@ -28,7 +28,7 @@ import { useTranslations } from "@/lib/i18n/context";
  * in via `motion-safe` `animate-in` with capped delays; reduced-motion
  * users get the layout instantly.
  *
- * v1.22.0 (A2 + A3) — the hero accepts an optional `scopeHint` slot
+ * v1.21.2 (A2 + A3) — the hero accepts an optional `scopeHint` slot
  * (a `<ScopeHintBadge>`): the visible "the Coach is already on <metric>"
  * pill + seed question when launched scoped (A2), or the pre-seeded
  * notable-signal opener when launched unscoped (A3). When absent the hero
@@ -39,7 +39,7 @@ export interface CoachHeroProps {
   /** The live `<CoachInput>` composer, re-parented into the hero. */
   composer: React.ReactNode;
   /**
-   * v1.22.0 — optional scope/opener affordance rendered above the
+   * v1.21.2 — optional scope/opener affordance rendered above the
    * composer. The parent owns the data (launch scope / seeded signal) and
    * passes a resolved `<ScopeHintBadge>`; null keeps the neutral hero.
    */
@@ -105,7 +105,7 @@ export function CoachHero({ composer, scopeHint }: CoachHeroProps) {
           {composer}
         </div>
 
-        {/* v1.22.0 (A2/A3) — visible scope pill + tappable opener, beneath
+        {/* v1.21.2 (A2/A3) — visible scope pill + tappable opener, beneath
             the composer so the greeting → composer rhythm stays intact and
             the opener reads as a follow-on suggestion. Renders only when the
             parent resolved a scope or a notable signal. */}

src/components/insights/coach-panel/scope-hint-badge.tsx

@@ -6,7 +6,7 @@ import { cn } from "@/lib/utils";
 import { useTranslations } from "@/lib/i18n/context";
 
 /**
- * v1.22.0 (A2 + A3) — the Coach's visible scope/opener affordance.
+ * v1.21.2 (A2 + A3) — the Coach's visible scope/opener affordance.
  *
  * Two modes, one surface:
  *

src/components/insights/coach-panel/sources-rail.tsx

@@ -55,7 +55,7 @@ const WINDOW_OPTIONS: ReadonlyArray<CoachDefaultWindow> = [
 export interface SourcesRailProps {
   className?: string;
   /**
-   * v1.22.0 (A2) — the human label of the metric the current conversation
+   * v1.21.2 (A2) — the human label of the metric the current conversation
    * was launched scoped to, or null for a generic (all-source) open. When
    * set, the rail surfaces a small "the Coach is already on <metric>" line
    * above the persisted-cluster toggles so the active narrowing is VISIBLE
@@ -132,7 +132,7 @@ export function SourcesRail({ className, activeScopeLabel }: SourcesRailProps) {
         {t("insights.coach.sourcesTitle")}
       </h3>
 
-      {/* v1.22.0 (A2) — the visible launch scope for this conversation. Only
+      {/* v1.21.2 (A2) — the visible launch scope for this conversation. Only
           rendered when the Coach was opened narrowed to a metric; a generic
           open omits it entirely so the rail is unchanged for the default
           all-source case. */}

src/components/insights/derived/coach-read-strip.tsx

@@ -12,7 +12,7 @@ import { cn } from "@/lib/utils";
 import type { CoachReadStripData } from "@/lib/insights/derived/coach-read-shape";
 
 /**
- * v1.22.0 (A1) — "Coach read" strip.
+ * v1.21.2 (A1) — "Coach read" strip.
  *
  * A compact two-line read rendered ABOVE the chart on each metric sub-page:
  *

src/components/insights/sub-page-shell.tsx

@@ -97,7 +97,7 @@ export interface SubPageShellProps {
    */
   statStrip?: ReactNode;
   /**
-   * v1.22.0 (A1) — the "Coach read" strip, mounted between the stat strip and
+   * v1.21.2 (A1) — the "Coach read" strip, mounted between the stat strip and
    * the chart. A compact two-line own-baseline + lagged-association read that
    * makes the metric feel seen-in-context. Self-gating (renders nothing until
    * its server read lands, and nothing at all when there is no baseline and no
@@ -389,7 +389,7 @@ export function SubPageShell({
           strip so the numbers always reflect the range the chart paints. No
           drag, no pill — the range tab is the single selector. */}
         {statStrip}
-        {/* v1.22.0 (A1) — the "Coach read" strip sits between the numbers-first
+        {/* v1.21.2 (A1) — the "Coach read" strip sits between the numbers-first
           stat strip and the chart, so the spine reads intro → numbers → Coach
           read → chart → target → assessment. Self-gating, so the rhythm holds
           when the strip has nothing to say. */}