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+# Game Hints System Implementation Plan
+
+> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
+
+**Goal:** Each game row displays a typed hint (film, character, award) about the main actor, replacing the "?" popover button with a type-specific icon.
+
+**Architecture:** Two new columns (`hint_type`, `hint_data`) on `GameRow`. Hints are generated at game creation time in `GameGridGenerator`. A new `WikidataAwardGateway` service fetches awards via SPARQL. The React `ActorPopover` component shows a type icon instead of "?" and displays the resolved hint text in the popover.
+
+**Tech Stack:** Symfony 8 / Doctrine ORM (backend), React 19 (frontend), Wikidata SPARQL API (awards), Font Awesome (icons)
+
+---
+
+### Task 1: Add `hintType` and `hintData` columns to `GameRow` entity
+
+**Files:**
+- Modify: `src/Entity/GameRow.php`
+
+- [ ] **Step 1: Add properties and mapping to `GameRow`**
+
+Add after the `$rowOrder` property (line 30):
+
+```php
+#[ORM\Column(length: 20)]
+private ?string $hintType = null;
+
+#[ORM\Column(length: 255)]
+private ?string $hintData = null;
+```
+
+Add getters and setters after `setRowOrder()`:
+
+```php
+public function getHintType(): ?string
+{
+    return $this->hintType;
+}
+
+public function setHintType(string $hintType): static
+{
+    $this->hintType = $hintType;
+
+    return $this;
+}
+
+public function getHintData(): ?string
+{
+    return $this->hintData;
+}
+
+public function setHintData(string $hintData): static
+{
+    $this->hintData = $hintData;
+
+    return $this;
+}
+```
+
+- [ ] **Step 2: Generate and run migration**
+
+```bash
+php bin/console doctrine:migrations:diff
+php bin/console doctrine:migrations:migrate --no-interaction
+```
+
+Expected: new migration adding `hint_type` and `hint_data` columns to `game_row`.
+
+- [ ] **Step 3: Commit**
+
+```bash
+git add src/Entity/GameRow.php migrations/
+git commit -m "feat: add hintType and hintData columns to GameRow entity"
+```
+
+---
+
+### Task 2: Add `MovieRoleRepository::findOneRandomByActor()` method
+
+**Files:**
+- Modify: `src/Repository/MovieRoleRepository.php`
+
+- [ ] **Step 1: Write the repository method**
+
+Replace the commented-out methods with:
+
+```php
+/**
+ * @param list<int> $excludeMovieRoleIds MovieRole IDs to exclude
+ * @return MovieRole|null
+ */
+public function findOneRandomByActor(int $actorId, array $excludeMovieRoleIds = []): ?MovieRole
+{
+    $qb = $this->createQueryBuilder('mr')
+        ->andWhere('mr.actor = :actorId')
+        ->setParameter('actorId', $actorId);
+
+    if (!empty($excludeMovieRoleIds)) {
+        $qb->andWhere('mr.id NOT IN (:excludeIds)')
+            ->setParameter('excludeIds', $excludeMovieRoleIds);
+    }
+
+    return $qb
+        ->orderBy('RANDOM()')
+        ->setMaxResults(1)
+        ->getQuery()
+        ->getOneOrNullResult();
+}
+```
+
+- [ ] **Step 2: Commit**
+
+```bash
+git add src/Repository/MovieRoleRepository.php
+git commit -m "feat: add findOneRandomByActor to MovieRoleRepository"
+```
+
+---
+
+### Task 3: Create `WikidataAwardGateway` service
+
+**Files:**
+- Create: `src/Service/WikidataAwardGateway.php`
+
+- [ ] **Step 1: Create the gateway service**
+
+```php
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service;
+
+use App\Entity\Actor;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+
+class WikidataAwardGateway
+{
+    private const SPARQL_ENDPOINT = 'https://query.wikidata.org/sparql';
+
+    public function __construct(
+        private readonly HttpClientInterface $httpClient,
+    ) {}
+
+    /**
+     * Fetch awards for an actor from Wikidata.
+     *
+     * @return list<array{name: string, year: int}>
+     */
+    public function getAwards(Actor $actor): array
+    {
+        $sparql = $this->buildQuery($actor->getName());
+
+        $response = $this->httpClient->request('GET', self::SPARQL_ENDPOINT, [
+            'query' => [
+                'query' => $sparql,
+                'format' => 'json',
+            ],
+            'headers' => [
+                'Accept' => 'application/sparql-results+json',
+                'User-Agent' => 'LtbxdActorle/1.0',
+            ],
+        ]);
+
+        $data = $response->toArray();
+        $awards = [];
+
+        foreach ($data['results']['bindings'] ?? [] as $binding) {
+            $name = $binding['awardLabel']['value'] ?? null;
+            $year = $binding['year']['value'] ?? null;
+
+            if ($name && $year) {
+                $awards[] = [
+                    'name' => $name,
+                    'year' => (int) substr($year, 0, 4),
+                ];
+            }
+        }
+
+        return $awards;
+    }
+
+    private function buildQuery(string $actorName): string
+    {
+        $escaped = str_replace('"', '\\"', $actorName);
+
+        return <<<SPARQL
+        SELECT ?awardLabel ?year WHERE {
+          ?person rdfs:label "{$escaped}"@en .
+          ?person wdt:P31 wd:Q5 .
+          ?person p:P166 ?awardStatement .
+          ?awardStatement ps:P166 ?award .
+          ?awardStatement pq:P585 ?date .
+          BIND(YEAR(?date) AS ?year)
+          SERVICE wikibase:label { bd:serviceParam wikibase:language "fr,en" . }
+        }
+        ORDER BY DESC(?year)
+        SPARQL;
+    }
+}
+```
+
+- [ ] **Step 2: Verify the service is autowired**
+
+```bash
+php bin/console debug:container WikidataAwardGateway
+```
+
+Expected: service `App\Service\WikidataAwardGateway` is listed.
+
+- [ ] **Step 3: Commit**
+
+```bash
+git add src/Service/WikidataAwardGateway.php
+git commit -m "feat: add WikidataAwardGateway for actor awards from Wikidata SPARQL"
+```
+
+---
+
+### Task 4: Integrate hint generation into `GameGridGenerator`
+
+**Files:**
+- Modify: `src/Service/GameGridGenerator.php`
+
+- [ ] **Step 1: Add dependencies to constructor**
+
+Update the constructor at line 16-19:
+
+```php
+public function __construct(
+    private readonly ActorRepository $actorRepository,
+    private readonly MovieRoleRepository $movieRoleRepository,
+    private readonly WikidataAwardGateway $wikidataAwardGateway,
+    private readonly EntityManagerInterface $em,
+) {}
+```
+
+Add the import at the top:
+
+```php
+use App\Repository\MovieRoleRepository;
+```
+
+- [ ] **Step 2: Add hint generation methods**
+
+Add these private methods after `computeGridData()`:
+
+```php
+/**
+ * @param list<int> $usedMovieRoleIds MovieRole IDs already used (for DB exclusion)
+ * @param list<string> $usedHintKeys Semantic keys like "film:42" to avoid duplicate hints
+ * @return array{type: string, data: string}|null
+ */
+private function generateHint(Actor $mainActor, array &$usedMovieRoleIds, array &$usedHintKeys): ?array
+{
+    $types = ['film', 'character', 'award'];
+    shuffle($types);
+
+    foreach ($types as $type) {
+        $hint = $this->resolveHint($type, $mainActor, $usedMovieRoleIds, $usedHintKeys);
+        if ($hint !== null) {
+            return $hint;
+        }
+    }
+
+    return null;
+}
+
+/**
+ * @param list<int> $usedMovieRoleIds
+ * @param list<string> $usedHintKeys
+ * @return array{type: string, data: string}|null
+ */
+private function resolveHint(string $type, Actor $mainActor, array &$usedMovieRoleIds, array &$usedHintKeys): ?array
+{
+    switch ($type) {
+        case 'film':
+            $role = $this->movieRoleRepository->findOneRandomByActor(
+                $mainActor->getId(),
+                $usedMovieRoleIds,
+            );
+            if ($role === null) {
+                return null;
+            }
+            $movieId = (string) $role->getMovie()->getId();
+            $key = 'film:' . $movieId;
+            if (in_array($key, $usedHintKeys)) {
+                return null;
+            }
+            $usedMovieRoleIds[] = $role->getId();
+            $usedHintKeys[] = $key;
+            return ['type' => 'film', 'data' => $movieId];
+
+        case 'character':
+            $role = $this->movieRoleRepository->findOneRandomByActor(
+                $mainActor->getId(),
+                $usedMovieRoleIds,
+            );
+            if ($role === null) {
+                return null;
+            }
+            $roleId = (string) $role->getId();
+            $key = 'character:' . $roleId;
+            if (in_array($key, $usedHintKeys)) {
+                return null;
+            }
+            $usedMovieRoleIds[] = $role->getId();
+            $usedHintKeys[] = $key;
+            return ['type' => 'character', 'data' => $roleId];
+
+        case 'award':
+            try {
+                $awards = $this->wikidataAwardGateway->getAwards($mainActor);
+            } catch (\Throwable) {
+                return null;
+            }
+            foreach ($awards as $award) {
+                $text = $award['name'] . ' (' . $award['year'] . ')';
+                $key = 'award:' . $text;
+                if (!in_array($key, $usedHintKeys)) {
+                    $usedHintKeys[] = $key;
+                    return ['type' => 'award', 'data' => $text];
+                }
+            }
+            return null;
+    }
+
+    return null;
+}
+```
+
+- [ ] **Step 3: Wire hint generation into `generate()`**
+
+Add `$usedMovieRoleIds = [];` and `$usedHintKeys = [];` after `$rowOrder = 0;` (line 31), and add hint assignment after `$row->setRowOrder($rowOrder);` (line 51):
+
+```php
+$hint = $this->generateHint($mainActor, $usedMovieRoleIds, $usedHintKeys);
+if ($hint !== null) {
+    $row->setHintType($hint['type']);
+    $row->setHintData($hint['data']);
+}
+```
+
+- [ ] **Step 4: Commit**
+
+```bash
+git add src/Service/GameGridGenerator.php
+git commit -m "feat: generate hints per row in GameGridGenerator"
+```
+
+---
+
+### Task 5: Resolve hint display text in `computeGridData()`
+
+**Files:**
+- Modify: `src/Service/GameGridGenerator.php`
+
+- [ ] **Step 1: Add repositories needed for resolution**
+
+Add import:
+
+```php
+use App\Repository\MovieRepository;
+```
+
+Update constructor:
+
+```php
+public function __construct(
+    private readonly ActorRepository $actorRepository,
+    private readonly MovieRoleRepository $movieRoleRepository,
+    private readonly MovieRepository $movieRepository,
+    private readonly WikidataAwardGateway $wikidataAwardGateway,
+    private readonly EntityManagerInterface $em,
+) {}
+```
+
+- [ ] **Step 2: Add hint data to grid output in `computeGridData()`**
+
+In the `computeGridData()` method, update the `$grid[]` assignment (around line 105-109) to include hint data:
+
+```php
+$hintText = $this->resolveHintText($row);
+
+$grid[] = [
+    'actorName' => $actor->getName(),
+    'actorId' => $actor->getId(),
+    'pos' => $pos,
+    'hintType' => $row->getHintType(),
+    'hintText' => $hintText,
+];
+```
+
+- [ ] **Step 3: Add `resolveHintText()` method**
+
+```php
+private function resolveHintText(GameRow $row): ?string
+{
+    $type = $row->getHintType();
+    $data = $row->getHintData();
+
+    if ($type === null || $data === null) {
+        return null;
+    }
+
+    return match ($type) {
+        'film' => $this->movieRepository->find((int) $data)?->getTitle(),
+        'character' => $this->movieRoleRepository->find((int) $data)?->getCharacter(),
+        'award' => $data,
+        default => null,
+    };
+}
+```
+
+- [ ] **Step 4: Update the return type docblock**
+
+Update the `@return` annotation of `computeGridData()`:
+
+```php
+/**
+ * Compute display data (grid, width, middle) from a Game entity for the React component.
+ *
+ * @return array{grid: list<array{actorName: string, actorId: int, pos: int, hintType: ?string, hintText: ?string}>, width: int, middle: int}
+ */
+```
+
+- [ ] **Step 5: Commit**
+
+```bash
+git add src/Service/GameGridGenerator.php src/Repository/MovieRepository.php
+git commit -m "feat: resolve hint display text in computeGridData"
+```
+
+---
+
+### Task 6: Install Font Awesome and update `ActorPopover` component
+
+**Files:**
+- Modify: `assets/react/controllers/ActorPopover.jsx`
+- Modify: `assets/react/controllers/GameGrid.jsx`
+- Modify: `assets/react/controllers/GameRow.jsx`
+
+- [ ] **Step 1: Install Font Awesome**
+
+```bash
+cd /home/thibaud/ltbxd-actorle && npm install @fortawesome/fontawesome-free
+```
+
+- [ ] **Step 2: Import Font Awesome CSS in the app entrypoint**
+
+Check the main JS entrypoint:
+
+```bash
+head -5 assets/app.js
+```
+
+Add at the top of `assets/app.js`:
+
+```js
+import '@fortawesome/fontawesome-free/css/all.min.css';
+```
+
+- [ ] **Step 3: Update `ActorPopover` to accept hint props**
+
+Replace the full content of `assets/react/controllers/ActorPopover.jsx`:
+
+```jsx
+import React, { useState } from 'react';
+import { useFloating, useClick, useDismiss, useInteractions, offset, flip, shift } from '@floating-ui/react';
+
+const HINT_ICONS = {
+    film: 'fa-solid fa-film',
+    character: 'fa-solid fa-masks-theater',
+    award: 'fa-solid fa-trophy',
+};
+
+export default function ActorPopover({ hintType, hintText }) {
+    const [isOpen, setIsOpen] = useState(false);
+
+    const { refs, floatingStyles, context } = useFloating({
+        open: isOpen,
+        onOpenChange: setIsOpen,
+        middleware: [offset(8), flip(), shift()],
+        placement: 'left',
+    });
+
+    const click = useClick(context);
+    const dismiss = useDismiss(context);
+    const { getReferenceProps, getFloatingProps } = useInteractions([click, dismiss]);
+
+    const iconClass = HINT_ICONS[hintType] || 'fa-solid fa-circle-question';
+
+    return (
+        <>
+            <button
+                ref={refs.setReference}
+                {...getReferenceProps()}
+                className="popover-trigger"
+                type="button"
+            >
+                <i className={iconClass}></i>
+            </button>
+            {isOpen && (
+                <div
+                    ref={refs.setFloating}
+                    style={floatingStyles}
+                    {...getFloatingProps()}
+                    className="actor-popover"
+                >
+                    {hintText}
+                </div>
+            )}
+        </>
+    );
+}
+```
+
+- [ ] **Step 4: Update `GameRow` to pass hint props**
+
+In `assets/react/controllers/GameRow.jsx`, update the component signature (line 9):
+
+```jsx
+export default function GameRow({ actorName, pos, colStart, totalWidth, hintType, hintText }) {
+```
+
+Update the `ActorPopover` usage (line 33):
+
+```jsx
+<ActorPopover hintType={hintType} hintText={hintText} />
+```
+
+- [ ] **Step 5: Update `GameGrid` to pass hint props**
+
+In `assets/react/controllers/GameGrid.jsx`, update the `GameRow` rendering (lines 27-33):
+
+```jsx
+<GameRow
+    key={rowIndex}
+    actorName={row.actorName}
+    pos={row.pos}
+    colStart={middle - row.pos}
+    totalWidth={width}
+    hintType={row.hintType}
+    hintText={row.hintText}
+/>
+```
+
+- [ ] **Step 6: Commit**
+
+```bash
+git add assets/ package.json package-lock.json
+git commit -m "feat: replace ? button with hint type icons in ActorPopover"
+```
+
+---
+
+### Task 7: Manual end-to-end verification
+
+- [ ] **Step 1: Build frontend assets**
+
+```bash
+cd /home/thibaud/ltbxd-actorle && npm run build
+```
+
+- [ ] **Step 2: Start a new game and verify**
+
+Open the app in a browser, start a new game. Verify:
+- Each row has an icon (film, masks, or trophy) instead of "?"
+- Clicking the icon opens a popover with the hint text
+- Different rows can have different hint types
+- Award hints show the format "Nom du prix (année)"
+
+- [ ] **Step 3: Final commit if any adjustments needed**