feat(intake): structured per-service intake questions

Services declare up to 8 intake fields (text/yesno, required) stored
as JSONB; shared/intake.go is the single normalization point — slug
keys, label/dup/unknown-key rules, yes/no canonicalization. Booking
create validates answers against the service declaration (missing
required -> 400), unknown keys are dropped before persist.

Answers surface on UpcomingBooking and CustomerBookingView; the
services page gains a compact editor and the public form renders
declared questions under contact details. Verified live end-to-end.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

packages/api-client/src/generated/types.ts

@@ -1413,6 +1413,10 @@ export interface components {
             customerName: string;
             /** Format: date-time */
             endsAt: string;
+            /** @description Structured intake answers keyed by the service's declared intakeFields keys */
+            intake?: {
+                [key: string]: string;
+            };
             /** Format: uuid */
             locationId?: string;
             notes?: string;
@@ -1475,6 +1479,9 @@ export interface components {
             customerName?: string;
             /** Format: date-time */
             endsAt?: string;
+            intake?: {
+                [key: string]: string;
+            };
             location?: string;
             notes?: string;
             reference?: string;
@@ -1547,6 +1554,15 @@ export interface components {
             /** @example ok */
             status: string;
         };
+        IntakeField: {
+            /** @description Slug key (lowercase alnum + underscore); JSON key in booking intake answers */
+            key: string;
+            /** @description Customer-facing question text */
+            label: string;
+            required?: boolean;
+            /** @enum {string} */
+            type: "text" | "yesno";
+        };
         Location: {
             address?: string;
             capacity?: number;
@@ -1626,6 +1642,7 @@ export interface components {
             durationMinutes: number;
             /** Format: uuid */
             id: string;
+            intakeFields?: components["schemas"]["IntakeField"][];
             name: string;
             priceCents: number;
         };
@@ -1645,6 +1662,8 @@ export interface components {
             durationMinutes: number;
             /** Format: uuid */
             id: string;
+            /** @description Structured intake questions asked at booking time (max 8) */
+            intakeFields?: components["schemas"]["IntakeField"][];
             name: string;
             /** @description Price in the tenant's currency minor units */
             priceCents: number;
@@ -1822,6 +1841,10 @@ export interface components {
             endsAt?: string;
             /** Format: uuid */
             id?: string;
+            /** @description Structured intake answers keyed by the service's declared intakeFields keys */
+            intake?: {
+                [key: string]: string;
+            };
             label?: string;
             location?: string;
             notes?: string;
@@ -1883,6 +1906,7 @@ export interface components {
             bufferAfterMinutes?: number;
             bufferBeforeMinutes?: number;
             durationMinutes: number;
+            intakeFields?: components["schemas"]["IntakeField"][];
             name: string;
             priceCents?: number;
         };