Default to DeepSeek V4.1 Flash, show API cost in USD, and re-analyze after replacing BOM and netlist.

V4.1 is natively multimodal so every stage uses deepseek-flash; pricing and the UI now surface dollars instead of empty credits. KiCad netlists and neighborhood fingerprints land in the same cut so a second run can keep the project and skip unchanged ICs.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/app/(app)/project/[id]/page.tsx

@@ -20,6 +20,7 @@ import {
   resumePipeline,
   fetchPipelineEstimate,
 } from "@/lib/api";
+import { CreateProjectDialog } from "@/components/dashboard/create-project-dialog";
 import { PausedRunBanner } from "@/components/billing/paused-run-banner";
 import type { Project, SkippedComponent, ApiLogEntry, BomSummaryRow, DeratingRow, DeratingSettings, Collaborator, CostEstimate } from "@/lib/types";
 import {
@@ -36,6 +37,7 @@ import {
   OctagonX,
   Copy,
   Check,
+  Upload,
 } from "lucide-react";
 import { useOptionalUser } from "@/hooks/use-optional-auth";
 import { PdfViewerSheet } from "@/components/pdf/pdf-viewer-sheet";
@@ -106,6 +108,7 @@ export default function ProjectDetailPage({
   const tab = searchParams.get("tab") ?? "bom";
   const [starting, setStarting] = useState(false);
   const [estimate, setEstimate] = useState<CostEstimate | null>(null);
+  const [rerunProject, setRerunProject] = useState<Project | null>(null);
 
   const canRun = Boolean(project?.hasBom && project?.hasNetlist);
   const canReprocess =
@@ -187,11 +190,28 @@ export default function ProjectDetailPage({
           <h1 className="text-lg font-semibold">{project.name}</h1>
           <p className="text-sm text-muted-foreground">
             {new Date(project.created).toLocaleDateString()}
+            {typeof project.totalCostUsd === "number" && project.totalCostUsd > 0 && (
+              <span className="ml-2 font-mono tabular-nums text-foreground">
+                ${project.totalCostUsd.toFixed(4)}
+              </span>
+            )}
           </p>
         </div>
-        <Badge variant="outline" className="capitalize text-xs">
-          {project.status}
-        </Badge>
+        <div className="flex items-center gap-2">
+          {project.status !== "running" && project.status !== "queued" && (
+            <Button
+              size="sm"
+              variant="outline"
+              onClick={() => setRerunProject(project)}
+            >
+              <Upload className="h-4 w-4 mr-1" />
+              Replace BOM & netlist
+            </Button>
+          )}
+          <Badge variant="outline" className="capitalize text-xs">
+            {project.status}
+          </Badge>
+        </div>
       </div>
 
       {isPaused && (
@@ -285,13 +305,12 @@ export default function ProjectDetailPage({
                 )}
               </div>
               {canRun && estimate && estimate.review_ic_count > 0 && (
-                <div className="inline-flex items-center gap-1.5 text-[11px] text-amber-700/90 dark:text-amber-300/90 animate-pulse drop-shadow-[0_0_6px_rgba(251,191,36,0.55)]">
+                <div className="inline-flex items-center gap-1.5 text-[11px] text-muted-foreground">
                   <Coins className="h-3 w-3" />
                   <span className="tabular-nums">
-                    ≈ {(estimate.review_ic_count * 2).toFixed(0)}
-                    –{(estimate.review_ic_count * 2.5).toFixed(0)} credits
+                    ≈ ${estimate.api_cost_low.toFixed(2)}–${estimate.api_cost_high.toFixed(2)}
                   </span>
-                  <span className="text-amber-700/60 dark:text-amber-300/60">
+                  <span>
                     · {estimate.review_ic_count} IC
                     {estimate.review_ic_count === 1 ? "" : "s"} to review
                   </span>
@@ -346,6 +365,18 @@ export default function ProjectDetailPage({
         mpn={pdfState.mpn}
         initialPage={1}
       />
+      <CreateProjectDialog
+        hideTrigger
+        rerunProject={rerunProject}
+        onRerunDone={() => {
+          setRerunProject(null);
+          reload();
+        }}
+        onCreateProject={(p) => {
+          setRerunProject(null);
+          router.push(`/project/${p.id}/progress`);
+        }}
+      />
     </div>
   );
 }
@@ -414,7 +445,9 @@ function ApiLogsSection({ logs }: { logs: ApiLogEntry[] }) {
           <span>{formatTokens(totalInput)} input tokens</span>
           <span>{formatTokens(totalOutput)} output tokens</span>
           <span>{formatDuration(totalDuration)} total</span>
-          {totalCost > 0 && <span className="font-medium text-foreground">${totalCost.toFixed(4)}</span>}
+          {totalCost > 0 && (
+            <span className="font-medium text-foreground">${totalCost.toFixed(4)}</span>
+          )}
         </div>
       </CardHeader>
       <CardContent>
@@ -448,8 +481,10 @@ function ApiLogsSection({ logs }: { logs: ApiLogEntry[] }) {
                   <span>{formatTokens(log.output_tokens)} out</span>
                   <span>{formatDuration(log.duration_ms)}</span>
                   <span className="font-mono">{log.model}</span>
-                  {log.cost_usd != null && log.cost_usd > 0 && (
-                    <span className="font-medium text-foreground">${log.cost_usd.toFixed(4)}</span>
+                  {log.cost_usd != null && (
+                    <span className="font-medium text-foreground">
+                      ${log.cost_usd.toFixed(4)}
+                    </span>
                   )}
                 </div>
               </div>

frontend/src/app/(app)/project/[id]/report/page.tsx

@@ -37,6 +37,7 @@ function ReportContent({ projectId }: { projectId: string }) {
   const [collaborators, setCollaborators] = useState<Collaborator[]>([]);
   const [comments, setComments] = useState<Record<string, FindingComment[]>>({});
   const [creditsSpent, setCreditsSpent] = useState<number | undefined>();
+  const [totalCostUsd, setTotalCostUsd] = useState<number | null>(null);
   const [projectName, setProjectName] = useState<string>("");
   const [feedbackFinding, setFeedbackFinding] = useState<Finding | null>(null);
   const [feedbackOpen, setFeedbackOpen] = useState(false);
@@ -70,6 +71,7 @@ function ReportContent({ projectId }: { projectId: string }) {
     fetchProject(projectId)
       .then((p) => {
         setCreditsSpent(p.creditsSpent);
+        setTotalCostUsd(p.totalCostUsd ?? null);
         setProjectName(p.name);
       })
       .catch(() => {});
@@ -249,6 +251,7 @@ function ReportContent({ projectId }: { projectId: string }) {
           summary={report.summary}
           reviewedCount={reviewedCount}
           creditsSpent={creditsSpent}
+          totalCostUsd={totalCostUsd}
         />
         {report.review_errors && Object.keys(report.review_errors).length > 0 && (
           <div className="rounded-lg border border-amber-500/40 bg-amber-500/10 p-4 space-y-2">

frontend/src/components/dashboard/create-project-dialog.tsx

@@ -463,6 +463,8 @@ interface CreateProjectDialogProps {
   onRerunDone?: () => void;
   cloneAsNewProject?: Project | null;
   onCloneAsNewDone?: () => void;
+  /** Hide the "New Project" trigger — used when the parent opens rerun mode. */
+  hideTrigger?: boolean;
 }
 
 function countNetsInNetlist(text: string): number {
@@ -475,6 +477,16 @@ function isEdifNetlist(text: string): boolean {
   return text.slice(0, 1024).trimStart().slice(0, 5).toLowerCase() === "(edif";
 }
 
+function isKicadNetlist(text: string): boolean {
+  const head = text.slice(0, 2048).trimStart().slice(0, 40).toLowerCase();
+  return (
+    head.startsWith("(kicad_sch") ||
+    head.startsWith("(export") ||
+    head.startsWith("<?xml") ||
+    head.startsWith("<export")
+  );
+}
+
 function SuggestedDatasheetLinks({ urls }: { urls: string[] }) {
   if (!urls.length) return null;
   return (
@@ -512,6 +524,7 @@ export function CreateProjectDialog({
   onRerunDone,
   cloneAsNewProject,
   onCloneAsNewDone,
+  hideTrigger = false,
 }: CreateProjectDialogProps) {
   const [open, setOpen] = useState(false);
   const [step, setStep] = useState<WizardStep>("details");
@@ -889,6 +902,12 @@ export function CreateProjectDialog({
         setNetlistIsEdif(true);
         return;
       }
+      if (isKicadNetlist(text)) {
+        setNetlistNetCount(null);
+        setNetlistPreview([]);
+        setNetlistIsEdif(false);
+        return;
+      }
       setNetlistIsEdif(false);
       setNetlistNetCount(countNetsInNetlist(text));
       try {
@@ -1152,20 +1171,20 @@ export function CreateProjectDialog({
   // the user just uploaded a new BOM via the modal haven't been pushed
   // to the backend yet, so skip until there's something to estimate.
   useEffect(() => {
-    if (!authEnabled) return; // OSS mode: no credits — no estimate UI
     if (!existingProjectId) return;
     if (step !== activeSteps[activeSteps.length - 1]?.key) return;
     if (!initialBomFile) return;
     let cancelled = false;
     setEstimateLoading(true);
-    Promise.all([
-      fetchPipelineEstimate(existingProjectId),
-      fetchCredits(),
-    ])
-      .then(([est, cr]) => {
+    const jobs: Promise<unknown>[] = [fetchPipelineEstimate(existingProjectId)];
+    if (authEnabled) jobs.push(fetchCredits());
+    Promise.all(jobs)
+      .then((results) => {
         if (cancelled) return;
-        setEstimate(est);
-        setBalance(cr.balance);
+        setEstimate(results[0] as CostEstimate);
+        if (authEnabled && results[1]) {
+          setBalance((results[1] as { balance: number }).balance);
+        }
       })
       .catch(() => {
         /* Estimate is best-effort; swallow so the Run button still works. */
@@ -1940,7 +1959,7 @@ export function CreateProjectDialog({
         else resetAndClose();
       }}
     >
-      {disabled ? (
+      {hideTrigger ? null : disabled ? (
         <Tooltip>
           <TooltipTrigger
             render={
@@ -2060,8 +2079,8 @@ export function CreateProjectDialog({
                 </div>
                 <div className="space-y-1.5">
                   <FileUploadZone
-                    label="Netlist (.asc / .net / .txt / .edn)"
-                    accept=".asc,.net,.NET,.txt,.edn,.edif,.edf"
+                    label="Netlist (.asc / .net / .edn / .kicad_sch)"
+                    accept=".asc,.net,.NET,.txt,.edn,.edif,.edf,.xml,.kicad_sch,.kicad_net"
                     files={netlistFile ? [netlistFile] : []}
                     onFilesChange={handleNetlistChange}
                   />
@@ -2076,11 +2095,11 @@ export function CreateProjectDialog({
                     </p>
                   ) : netlistFile ? (
                     <p className="text-[11px] text-muted-foreground leading-tight px-1">
-                      EDIF detected — net count will appear after upload.
+                      Net count will appear after upload.
                     </p>
                   ) : (
                     <p className="text-[11px] text-muted-foreground leading-tight px-1">
-                      PADS-PCB ASCII or EDIF 2.0.0. .asc / .net / .txt / .edn all work.{" "}
+                      PADS-PCB, EDIF, or KiCad netlist / .kicad_sch.{" "}
                       <a
                         href="/file-guide#the-netlist"
                         target="_blank"
@@ -3056,20 +3075,27 @@ export function CreateProjectDialog({
                   <Loader2 className="h-3 w-3 animate-spin" />
                   Estimating…
                 </span>
-              ) : estimate && balance !== null ? (
+              ) : estimate ? (
                 <>
-                  <span>
-                    Balance:{" "}
-                    <span className="font-mono text-foreground">
-                      {balance.toFixed(2)}
+                  {balance !== null && (
+                    <span>
+                      Balance:{" "}
+                      <span className="font-mono text-foreground">
+                        {balance.toFixed(2)}
+                      </span>
                     </span>
-                  </span>
+                  )}
                   <span>
                     Est:{" "}
                     <span className="font-mono text-foreground">
-                      {estimate.credits_low.toFixed(2)}–{estimate.credits_high.toFixed(2)}
-                    </span>{" "}
-                    credits
+                      ${estimate.api_cost_low.toFixed(2)}–${estimate.api_cost_high.toFixed(2)}
+                    </span>
+                    {authEnabled && (
+                      <>
+                        {" "}
+                        ({estimate.credits_low.toFixed(2)}–{estimate.credits_high.toFixed(2)} credits)
+                      </>
+                    )}
                   </span>
                   {!canRunRerun && (
                     <span className="flex items-center gap-1 text-amber-600 dark:text-amber-400">

frontend/src/components/dashboard/project-card.tsx

@@ -36,6 +36,13 @@ export function ProjectCard({
   const checkedCount = useReviewedCount(project.id);
   const isCancelled = project.status === "cancelled";
   const isDraft = project.status === "draft";
+  const canReplaceFiles =
+    !isShared &&
+    onRerun != null &&
+    (project.status === "complete" ||
+      project.status === "error" ||
+      project.status === "cancelled" ||
+      project.status === "draft");
   const opensModalOnClick = isDraft && !isShared && onRerun != null;
 
   async function handleDelete(e: React.MouseEvent) {
@@ -79,10 +86,10 @@ export function ProjectCard({
               <Badge variant="outline" className={cn("text-xs capitalize", STATUS_STYLES[project.status])}>
                 {project.status}
               </Badge>
-              {isCancelled && !isShared && onRerun && (
+              {canReplaceFiles && (
                 <button
                   onClick={handleRerun}
-                  title="Rerun project"
+                  title="Replace files and re-analyze"
                   className="p-1 rounded-md text-muted-foreground hover:text-emerald-600 dark:hover:text-emerald-400 hover:bg-emerald-500/10 transition-colors"
                 >
                   <RotateCcw className="h-3.5 w-3.5" />

frontend/src/components/dashboard/projects-table.tsx

@@ -71,6 +71,13 @@ function ProjectRow({
   const checkedCount = useReviewedCount(project.id);
   const isCancelled = project.status === "cancelled";
   const isDraft = project.status === "draft";
+  const canReplaceFiles =
+    !isShared &&
+    onRerun != null &&
+    (project.status === "complete" ||
+      project.status === "error" ||
+      project.status === "cancelled" ||
+      project.status === "draft");
   const opensModalOnClick = isDraft && !isShared && onRerun != null;
 
   async function handleDelete(e: React.MouseEvent) {
@@ -156,10 +163,10 @@ function ProjectRow({
       </td>
       <td className="px-3 py-2">
         <div className="flex items-center justify-end gap-0.5">
-          {isCancelled && !isShared && onRerun && (
+          {canReplaceFiles && (
             <button
               onClick={handleRerun}
-              title="Rerun project"
+              title="Replace files and re-analyze"
               className="p-1 rounded-md text-muted-foreground hover:text-emerald-600 dark:hover:text-emerald-400 hover:bg-emerald-500/10 transition-colors"
             >
               <RotateCcw className="h-3.5 w-3.5" />

frontend/src/components/report/report-summary.tsx

@@ -7,6 +7,7 @@ interface ReportSummaryProps {
   summary: Record<string, number>;
   reviewedCount: number;
   creditsSpent?: number;
+  totalCostUsd?: number | null;
 }
 
 const STAT_CONFIG = [
@@ -20,16 +21,19 @@ export function ReportSummary({
   summary,
   reviewedCount,
   creditsSpent,
+  totalCostUsd,
 }: ReportSummaryProps) {
   const total = summary.total || 0;
   const showCredits = typeof creditsSpent === "number" && creditsSpent > 0;
+  const showCost = typeof totalCostUsd === "number" && totalCostUsd > 0;
+  const extraCols = (showCredits ? 1 : 0) + (showCost ? 1 : 0);
 
   return (
     <div className="space-y-4">
       <div
         className={cn(
           "grid gap-4",
-          showCredits ? "grid-cols-6" : "grid-cols-5",
+          extraCols === 2 ? "grid-cols-7" : extraCols === 1 ? "grid-cols-6" : "grid-cols-5",
         )}
       >
         {STAT_CONFIG.map(({ key, label, color }) => (
@@ -50,6 +54,16 @@ export function ReportSummary({
             </p>
           </CardContent>
         </Card>
+        {showCost && (
+          <Card>
+            <CardContent className="pt-4 pb-4">
+              <p className="text-sm text-muted-foreground">API cost</p>
+              <p className="text-3xl font-semibold font-mono tabular-nums text-foreground">
+                ${totalCostUsd!.toFixed(2)}
+              </p>
+            </CardContent>
+          </Card>
+        )}
         {showCredits && (
           <Card>
             <CardContent className="pt-4 pb-4">

frontend/src/lib/api.ts

@@ -67,6 +67,7 @@ function mapProject(p: Record<string, unknown>): Project {
     userId: p.user_id as string | undefined,
     collaborators: (p.collaborators as string[] | null) ?? undefined,
     creditsSpent: (p.credits_spent as number | undefined) ?? undefined,
+    totalCostUsd: (p.total_cost_usd as number | null | undefined) ?? null,
     pauseCheckpoint: (p.pause_checkpoint as PauseCheckpoint | null) ?? null,
     pauseReason: (p.pause_reason as string | null | undefined) ?? null,
     bomColumns: (p.bom_columns as { reference: string; mpn: string } | null) ?? null,
@@ -79,7 +80,7 @@ function mapProject(p: Record<string, unknown>): Project {
     lcscPayloads: (p.lcsc_payloads as Record<string, LcscPayload> | null) ?? null,
     componentMpns: (p.component_mpns as ComponentMpnBuckets | null) ?? null,
     pinscopeVersion: (p.pinscope_version as string | null | undefined) ?? null,
-    netlistFormat: (p.netlist_format as "pads" | "edif" | null | undefined) ?? null,
+    netlistFormat: (p.netlist_format as Project["netlistFormat"]) ?? null,
     netlistSubdesigns: (p.netlist_subdesigns as string[] | null) ?? null,
   };
 }
@@ -268,7 +269,7 @@ export interface UploadNetlistResult {
   path: string;
   parts: number;
   nets: number;
-  format: "pads" | "edif";
+  format: "pads" | "edif" | "kicad_xml" | "kicad_sexp" | "kicad_sch";
   sub_designs: EdifSubDesign[]; // empty for PADS / single-sub-design EDIF
   // EDIF only: server-built designator→pins preview, same shape as the
   // browser-side PADS parser produces. Empty list for PADS uploads (the
@@ -294,7 +295,7 @@ export async function uploadNetlist(
     path: data.path as string,
     parts: data.parts as number,
     nets: data.nets as number,
-    format: data.format as "pads" | "edif",
+    format: data.format as UploadNetlistResult["format"],
     sub_designs: (data.sub_designs as EdifSubDesign[] | undefined) ?? [],
     designator_pins:
       (data.designator_pins as NetlistPreviewDesignator[] | undefined) ?? [],

frontend/src/lib/types.ts

@@ -231,6 +231,7 @@ export interface Project {
   userId?: string;
   collaborators?: string[];
   creditsSpent?: number;
+  totalCostUsd?: number | null;
   pauseCheckpoint?: PauseCheckpoint | null;
   pauseReason?: string | null;
   bomColumns?: { reference: string; mpn: string } | null;
@@ -243,9 +244,9 @@ export interface Project {
   lcscPayloads?: Record<string, LcscPayload> | null;
   componentMpns?: ComponentMpnBuckets | null;
   pinscopeVersion?: string | null;
-  // "pads" | "edif" — what kind of netlist file the user uploaded. null on
+  // "pads" | "edif" | "kicad_*" — netlist the user uploaded. null on legacy projects.
   // projects predating EDIF support; treat null as PADS for rendering.
-  netlistFormat?: "pads" | "edif" | null;
+  netlistFormat?: "pads" | "edif" | "kicad_xml" | "kicad_sexp" | "kicad_sch" | null;
   // Sub-design IDs (e.g. ["&0441"]) the user chose to include in the review.
   // null means "include every sub-design found in the file" — the default
   // for single-sub-design EDIFs and all PADS netlists.