fix(platform): land dead-code cleanup + AI Exposure disclosure (recover #149)

platform/lib/queries/org-summary.ts

@@ -124,10 +124,9 @@ function simpleAvg(values: Array<number | null>): number | null {
   return valid.reduce((s, v) => s + v, 0) / valid.length;
 }
 
-/** Build the org-wide sparkline by summing or averaging per-position across repos. */
+/** Build the org-wide sparkline by averaging per-position across repos. */
 function buildOrgSparkline(
   repos: RepoSummary[],
-  mode: "sum" | "avg",
   accessor: (r: RepoSummary) => number[],
 ): number[] {
   const maxLen = Math.max(...repos.map((r) => accessor(r).length), 0);
@@ -146,7 +145,7 @@ function buildOrgSparkline(
         count++;
       }
     }
-    result.push(mode === "sum" ? sum : count > 0 ? sum / count : 0);
+    result.push(count > 0 ? sum / count : 0);
   }
   return result;
 }
@@ -207,10 +206,8 @@ export function computeOrgPulse(
       ? aiAdoptionPct - previousTotals.aiPct!
       : null;
 
-  // Sparklines
-  const commitSparkline = buildOrgSparkline(repos, "sum", () => []);
-  // Use stabilization sparklines from repos
-  const stabSparkline = buildOrgSparkline(repos, "avg", (r) => r.sparkline);
+  // Sparkline — from each repo's own stabilization history.
+  const stabSparkline = buildOrgSparkline(repos, (r) => r.sparkline);
 
   return {
     totalCommits,
@@ -224,9 +221,7 @@ export function computeOrgPulse(
     aiAdoptionPct,
     aiAdoptionDelta,
     sparklines: {
-      commits: commitSparkline,
       stabilization: stabSparkline,
-      aiAdoption: [],
     },
   };
 }

platform/lib/queries/temporal.ts

@@ -92,7 +92,7 @@ export async function getRepoTimeSeries(
   const { data } = await supabase
     .from("metrics")
     .select(
-      "created_at, stabilization_ratio, revert_rate, churn_events, commits_total, ai_detection_coverage_pct, pr_merged_count, pr_single_pass_rate, fix_latency_median_hours, cascade_rate",
+      "created_at, stabilization_ratio, revert_rate, churn_events, commits_total, ai_detection_coverage_pct",
     )
     .eq("repository_id", repositoryId)
     .eq("window_days", windowDays)
@@ -106,10 +106,6 @@ export async function getRepoTimeSeries(
     churn_events: row.churn_events,
     commits_total: row.commits_total,
     ai_detection_coverage_pct: row.ai_detection_coverage_pct,
-    pr_merged_count: row.pr_merged_count,
-    pr_single_pass_rate: row.pr_single_pass_rate,
-    fix_latency_median_hours: row.fix_latency_median_hours,
-    cascade_rate: row.cascade_rate,
   }));
 }
 

platform/lib/translations.ts

@@ -753,7 +753,7 @@ export const translations = {
     aiExposure: {
       title: "Shadow AI Exposure",
       subtitle:
-        "How much AI-assisted code is being produced — and how much is attributed.",
+        "How much AI-assisted code is being produced — and how much is attributed. The per-repo breakdown behind the dashboard's Attribution Gap card.",
       empty:
         "No origin data yet. Run the CLI on a repository to start measuring.",
       summary: {
@@ -2161,7 +2161,7 @@ export const translations = {
     aiExposure: {
       title: "Exposição a Shadow AI",
       subtitle:
-        "Quanto código assistido por IA está sendo produzido — e quanto está atribuído.",
+        'Quanto código assistido por IA está sendo produzido — e quanto está atribuído. O detalhamento por repositório por trás do card "Lacuna de Atribuição" do dashboard.',
       empty:
         "Ainda não há dados de origem. Rode a CLI em um repositório para começar a medir.",
       summary: {

platform/src/app/[tenant]/repos/[repoName]/charts.tsx

@@ -788,11 +788,9 @@ export function RepoCharts({
   const chartData = timeSeries.map((p) => ({
     date: p.date,
     stabilization_ratio: p.stabilization_ratio,
-    revert_rate: p.revert_rate,
     churn_events: p.churn_events,
     commits_total: p.commits_total,
     ai_detection_coverage_pct: p.ai_detection_coverage_pct,
-    cascade_rate: p.cascade_rate,
   }));
 
   const hasAI = timeSeries.some(

platform/src/app/[tenant]/repos/[repoName]/investment-hotspots.tsx

@@ -1,45 +1,45 @@
-'use client';
+"use client";
 
-import { AlertOctagon, Bug, FolderOpen, Link2 } from 'lucide-react';
+import { AlertOctagon, Bug, FolderOpen, Link2 } from "lucide-react";
 
 import {
   Card,
   CardContent,
   CardDescription,
   CardHeader,
   CardTitle,
-} from '@/components/ui/card';
-import { useTranslation } from '@/hooks/useTranslation';
-import { cn } from '@/lib/utils';
+} from "@/components/ui/card";
+import { useTranslation } from "@/hooks/useTranslation";
+import { cn } from "@/lib/utils";
 import type {
   HotspotSeverity,
   InvestmentHotspot,
   InvestmentHotspots as InvestmentHotspotsData,
-} from '@/types/invest-here';
+} from "@/types/invest-here";
 
 interface InvestmentHotspotsProps {
   data: InvestmentHotspotsData;
 }
 
 const severityColor: Record<HotspotSeverity, string> = {
-  high: 'bg-signal-red/10 text-signal-red border-signal-red/30',
-  medium: 'bg-signal-yellow/10 text-signal-yellow border-signal-yellow/30',
-  low: 'bg-muted text-muted-foreground border-border',
+  high: "bg-signal-red/10 text-signal-red border-signal-red/30",
+  medium: "bg-signal-yellow/10 text-signal-yellow border-signal-yellow/30",
+  low: "bg-muted text-muted-foreground border-border",
 };
 
 function SeverityBadge({ severity }: { severity: HotspotSeverity }) {
   const { t } = useTranslation();
   const label =
-    severity === 'high'
-      ? t('investHere.severityHigh')
-      : severity === 'medium'
-        ? t('investHere.severityMedium')
-        : t('investHere.severityLow');
+    severity === "high"
+      ? t("investHere.severityHigh")
+      : severity === "medium"
+        ? t("investHere.severityMedium")
+        : t("investHere.severityLow");
 
   return (
     <span
       className={cn(
-        'inline-flex shrink-0 items-center rounded-full border px-2 py-0.5 text-xs font-medium',
+        "inline-flex shrink-0 items-center rounded-full border px-2 py-0.5 text-xs font-medium",
         severityColor[severity],
       )}
     >
@@ -51,19 +51,21 @@ function SeverityBadge({ severity }: { severity: HotspotSeverity }) {
 function HotspotRow({ hotspot }: { hotspot: InvestmentHotspot }) {
   const { t } = useTranslation();
 
-  if (hotspot.kind === 'weak_directory') {
+  if (hotspot.kind === "weak_directory") {
     return (
       <div className="flex items-start gap-3 border-b border-border px-4 py-3 last:border-0">
         <FolderOpen className="mt-0.5 size-4 shrink-0 text-muted-foreground" />
         <div className="min-w-0 flex-1 space-y-1">
           <div className="flex items-start justify-between gap-3">
             <p className="truncate font-mono text-sm font-medium">
-              {t('investHere.weakDirectoryTitle', { directory: hotspot.directory })}
+              {t("investHere.weakDirectoryTitle", {
+                directory: hotspot.directory,
+              })}
             </p>
             <SeverityBadge severity={hotspot.severity} />
           </div>
           <p className="text-xs text-muted-foreground">
-            {t('investHere.weakDirectoryReason', {
+            {t("investHere.weakDirectoryReason", {
               ratio: (hotspot.stabilizationRatio * 100).toFixed(0),
               files: hotspot.filesTouched,
               churn: hotspot.churnEvents,
@@ -74,19 +76,19 @@ function HotspotRow({ hotspot }: { hotspot: InvestmentHotspot }) {
     );
   }
 
-  if (hotspot.kind === 'tight_coupling') {
+  if (hotspot.kind === "tight_coupling") {
     return (
       <div className="flex items-start gap-3 border-b border-border px-4 py-3 last:border-0">
         <Link2 className="mt-0.5 size-4 shrink-0 text-muted-foreground" />
         <div className="min-w-0 flex-1 space-y-1">
           <div className="flex items-start justify-between gap-3">
             <p className="font-mono text-sm font-medium">
-              {t('investHere.tightCouplingTitle')}
+              {t("investHere.tightCouplingTitle")}
             </p>
             <SeverityBadge severity={hotspot.severity} />
           </div>
           <p className="text-xs text-muted-foreground">
-            {t('investHere.tightCouplingReason', {
+            {t("investHere.tightCouplingReason", {
               fileA: hotspot.fileA,
               fileB: hotspot.fileB,
               rate: (hotspot.couplingRate * 100).toFixed(0),
@@ -98,20 +100,28 @@ function HotspotRow({ hotspot }: { hotspot: InvestmentHotspot }) {
     );
   }
 
-  // fix_magnet
+  // fix_magnet — translate the raw origin enum, matching charts.tsx's
+  // originLabels convention, instead of interpolating "AI_ASSISTED" as-is.
+  const originLabel =
+    hotspot.origin === "HUMAN"
+      ? t("repoCharts.origin.labels.human")
+      : hotspot.origin === "AI_ASSISTED"
+        ? t("repoCharts.origin.labels.ai")
+        : t("repoCharts.origin.labels.bot");
+
   return (
     <div className="flex items-start gap-3 border-b border-border px-4 py-3 last:border-0">
       <Bug className="mt-0.5 size-4 shrink-0 text-muted-foreground" />
       <div className="min-w-0 flex-1 space-y-1">
         <div className="flex items-start justify-between gap-3">
           <p className="text-sm font-medium">
-            {t('investHere.fixMagnetTitle', { origin: hotspot.origin })}
+            {t("investHere.fixMagnetTitle", { origin: originLabel })}
           </p>
           <SeverityBadge severity={hotspot.severity} />
         </div>
         <p className="text-xs text-muted-foreground">
-          {t('investHere.fixMagnetReason', {
-            origin: hotspot.origin,
+          {t("investHere.fixMagnetReason", {
+            origin: originLabel,
             codeShare: hotspot.codeSharePct.toFixed(0),
             fixShare: hotspot.fixSharePct.toFixed(0),
             disp: hotspot.disproportionality.toFixed(1),
@@ -130,13 +140,13 @@ export function InvestmentHotspots({ data }: InvestmentHotspotsProps) {
     return (
       <Card>
         <CardHeader>
-          <CardTitle>{t('investHere.title')}</CardTitle>
-          <CardDescription>{t('investHere.subtitle')}</CardDescription>
+          <CardTitle>{t("investHere.title")}</CardTitle>
+          <CardDescription>{t("investHere.subtitle")}</CardDescription>
         </CardHeader>
         <CardContent>
           <div className="flex items-center gap-3 rounded-md border border-signal-purple/30 bg-signal-purple/5 p-4 text-sm text-muted-foreground">
             <AlertOctagon className="size-4 shrink-0 text-signal-purple" />
-            <span>{t('investHere.empty')}</span>
+            <span>{t("investHere.empty")}</span>
           </div>
         </CardContent>
       </Card>
@@ -146,8 +156,8 @@ export function InvestmentHotspots({ data }: InvestmentHotspotsProps) {
   return (
     <Card>
       <CardHeader>
-        <CardTitle>{t('investHere.title')}</CardTitle>
-        <CardDescription>{t('investHere.subtitle')}</CardDescription>
+        <CardTitle>{t("investHere.title")}</CardTitle>
+        <CardDescription>{t("investHere.subtitle")}</CardDescription>
       </CardHeader>
       <CardContent className="p-0">
         <div>
@@ -156,7 +166,7 @@ export function InvestmentHotspots({ data }: InvestmentHotspotsProps) {
           ))}
         </div>
         <p className="border-t border-border px-4 py-3 text-xs text-muted-foreground">
-          {t('investHere.hypothesisNote')}
+          {t("investHere.hypothesisNote")}
         </p>
       </CardContent>
     </Card>

platform/src/types/org-summary.ts

@@ -18,9 +18,7 @@ export interface OrgPulse {
   aiAdoptionPct: number | null;
   aiAdoptionDelta: number | null;
   sparklines: {
-    commits: number[];
     stabilization: number[];
-    aiAdoption: number[];
   };
 }
 

platform/src/types/temporal.ts

@@ -10,10 +10,6 @@ export interface TimeSeriesPoint {
   churn_events: number | null;
   commits_total: number | null;
   ai_detection_coverage_pct: number | null;
-  pr_merged_count: number | null;
-  pr_single_pass_rate: number | null;
-  fix_latency_median_hours: number | null;
-  cascade_rate: number | null;
 }
 
 /** Summary of a repo's current state + trend. */