slice 3 COMPLETE: onboarding wizard (complexity/risk/drawdown + starter watchlist + demand subscribe)

starter.ts by ornith (9 symbols w/ ticker-kind + ADR-0007 reasons, defaults, 12 tests).
onboarding.complete + onboarding.starter + me().onboarded by orchestrator; schema
+drawdown_tolerance. Wizard UI (complexity picker, starter list, disclaimer, finish).
onboarding subscribes starter symbols to the demand set (adapter fetches them). 87/87
backend + 2/2 lint green. Slice 3 done; slices 1-3 complete.

app/src/lib/strings.ts

@@ -1,7 +1,7 @@
 // Curated user-facing strings (P6 plain English; ADR-0007 Primary-Rule compliant).
 // The Primary-Rule lint test (src/__tests__/primary-rule-lint.test.ts) scans these and the
-// panel/page source for imperative trade verbs (a stoplist of directives). Approved noun
-// phrases such as the buy-zone estimate are allowed.
+// panel/page/client source for imperative trade verbs (a stoplist of directives). Approved
+// noun phrases such as the buy-zone estimate are allowed.
 export const UI_STRINGS = {
   appTitle: "Investor Flow",
   appSubtitle: "Educational investment research terminal",
@@ -33,6 +33,15 @@ export const UI_STRINGS = {
   twoFactorEnabled: "Two-factor is now enabled. Login will ask for a code.",
   oauthGithub: "Continue with GitHub",
   oauthGoogle: "Continue with Google",
+  onboardingTitle: "Welcome — set up your research defaults.",
+  complexityLabel: "Experience level",
+  complexityBeginner: "Beginner",
+  complexityIntermediate: "Intermediate",
+  complexityAdvanced: "Advanced",
+  starterWatchlistLabel: "Your starter watchlist",
+  drawdownNote: "A default max-drawdown tolerance is set from your experience level (you can change it later).",
+  completeOnboardingButton: "Finish setup",
+  onboardingDone: "Setup complete — your starter watchlist is tracking.",
 } as const;
 
 export const UI_STRING_LIST: string[] = Object.values(UI_STRINGS);

app/src/lib/trpc.ts

@@ -42,6 +42,7 @@ export interface AuthUser {
   complexity?: string;
   riskTolerance?: string;
   convexityPosture?: string;
+  onboarded?: boolean;
 }
 
 async function parse<T>(res: Response): Promise<T> {
@@ -52,25 +53,19 @@ async function parse<T>(res: Response): Promise<T> {
   }
   return json.result.data as T;
 }
-
 async function trpcQuery<T>(procedure: string, input?: unknown): Promise<T> {
   const search = input ? `?input=${encodeURIComponent(JSON.stringify(input))}` : "";
-  const res = await fetch(`/api/trpc/${procedure}${search}`, {
-    headers: { "content-type": "application/json" },
-    credentials: "include",
-  });
+  const res = await fetch(`/api/trpc/${procedure}${search}`, { headers: { "content-type": "application/json" }, credentials: "include" });
+  return parse<T>(res);
+}
+async function trpcMutate<T>(procedure: string, input: unknown): Promise<T> {
+  const res = await fetch(`/api/trpc/${procedure}`, { method: "POST", headers: { "content-type": "application/json" }, credentials: "include", body: JSON.stringify(input) });
   return parse<T>(res);
 }
 
-async function trpcMutate<T>(procedure: string, input: unknown): Promise<T> {
-  const res = await fetch(`/api/trpc/${procedure}`, {
-    method: "POST",
-    headers: { "content-type": "application/json" },
-    credentials: "include",
-    body: JSON.stringify(input),
-  });
-  return parse<T>(res);
-}
+export type Complexity = "beginner" | "intermediate" | "advanced";
+export interface StarterEntry { symbol: string; tickerKind: string; reason: string; }
+export interface PortfolioEntry { symbol: string; qty: number; avgCost: number; acquiredAt: string; }
 
 export const api = {
   market: { snapshot: (symbol: string) => trpcQuery<Snapshot>("market.snapshot", { symbol }) },
@@ -83,4 +78,9 @@ export const api = {
     confirm2fa: (totp: string) => trpcMutate<{ ok: boolean }>("auth.confirm2fa", { totp }),
     oauthStart: (provider: "github" | "google", redirectUri: string) => trpcMutate<{ redirectUrl: string; state: string }>("auth.oauthStart", { provider, redirectUri }),
   },
+  onboarding: {
+    starter: () => trpcQuery<{ watchlist: StarterEntry[]; disclaimer: string }>("onboarding.starter"),
+    complete: (input: { complexity: Complexity; drawdownTolerancePct?: number; firstWatchlistSymbols?: string[]; portfolio?: PortfolioEntry[] }) =>
+      trpcMutate<{ ok: boolean; watchlistId: string }>("onboarding.complete", input),
+  },
 };