diff --git a/_byan-output/fast-app/formation-hub/SESSION-RESUME.md b/_byan-output/fast-app/formation-hub/SESSION-RESUME.md
index 4bfdcc3..7d393d9 100644
--- a/_byan-output/fast-app/formation-hub/SESSION-RESUME.md
+++ b/_byan-output/fast-app/formation-hub/SESSION-RESUME.md
@@ -1,6 +1,24 @@
-# SESSION RESUME — formation-hub Acadenice (last update 2026-05-07 nuit Bloc 4 OIDC)
+# SESSION RESUME — formation-hub Acadenice (last update 2026-05-07 nuit Bloc 5)
 
-## CHANGELOG depuis derniere update (Bloc 4 — auth OIDC-ready)
+## CHANGELOG depuis derniere update (Bloc 5 — rate limit + cache invalidation cote writes)
+
+- **Bloc 5 livre (rate limit defensif + invalidation cache writes)** :
+  - Nouveau module `src/middleware/rate-limit.ts` : middleware Hono autour de `RedisCache.checkRateLimit` (sliding window deja teste integration). Cle derivee de l'identite avec priorites : `tokenId` (service token) > `email` OIDC (lower-cased) > `sub` OIDC > IP via `x-forwarded-for` (avec WARN log car spoofable) > `anonymous`. Throw `errors.rateLimited(windowSeconds)` avec headers `X-RateLimit-Limit/Remaining/Reset`. Helper exporte `defaultRateLimitKey` pour composer (`${default}:mut`).
+  - Nouveau module `src/lib/cache.ts` : `invalidateEntity(redis, entity, id?)` qui mirror la logique cascade de `webhooks/baserow-handler.ts` (attribution -> module + personne, intervention -> tache + personne, etc.). Volontairement duplique plutot qu'extrait commun car les contextes sont differents (event_type webhook vs intent route).
+  - Wire `src/index.ts` :
+    - `rateLimit(redis, {global})` sur `/api/v1/*` apres l'auth middleware.
+    - `rateLimit(redis, {mutation, keyFrom: ...:mut})` ajoute conditionnellement sur POST/PATCH/PUT/DELETE — compteur Redis distinct, plus strict.
+    - **Pas de rate limit** sur `/api/health`, `/api/ready`, `/api/webhooks/*` (ces dernieres ont HMAC + idempotence Redis qui couvrent).
+  - Routes mutation appellent `invalidateEntity()` apres write reussi (3 routes : `POST /modules/:id/attribuer`, `POST /interventions`, `PATCH /attributions/:id/heures-realisees`). Ferme la fenetre stale entre l'ecriture Baserow et l'arrivee du webhook (idempotent avec l'invalidation webhook qui suivra).
+  - Config zod : 4 vars ajoutees avec defauts `100/60s` global et `30/60s` mutation. Toutes coercees + optionnelles via env (`RATE_LIMIT_GLOBAL_MAX`, etc.).
+  - `.env.example` : section rate limit reecrite (commentee, defauts documentes), ancienne triple-var Phase 1 supprimee.
+  - Tests : **29 tests ajoutes** (290 -> 319). 11 tests rate-limit middleware (cles, priorites, 429, headers, mutation independance, anonymous fallback), 11 tests cache helper (cascade par entite, idempotence, total returned), 7 tests integration `/api/v1/*` vs health/webhooks. Pas de fake timers : `RedisCache.checkRateLimit` est mocke, on simule la reset par mutation du compteur fake (equivalent fonctionnel).
+  - Coverage : `src/middleware/rate-limit.ts` = **100% lines / 100% branches / 100% funcs**. `src/lib/cache.ts` = **100% lines / 100% branches / 100% funcs**. Coverage globale 87.7% (+0.3pt).
+  - vitest.config.ts thresholds : ajout `src/middleware/rate-limit.ts` et `src/lib/cache.ts` a 85%.
+
+# SESSION RESUME — formation-hub Acadenice (Bloc 4 — auth OIDC-ready)
+
+## CHANGELOG (Bloc 4 — auth OIDC-ready)
 
 - **Bloc 4 livre (middleware OIDC-ready, dual mode)** :
   - Nouveau module `src/middleware/oidc-verifier.ts` : verification JWT via `jose` + JWKS remote (cache 10min). Algorithmes acceptes : RS256/RS384/RS512 (pas HS* puisque cle publique). Throw `errors.authInvalid()` sur tout echec (signature, expired, issuer mismatch, audience mismatch).
@@ -91,7 +109,7 @@ Stack live + bridge testes :
 | 3.2 — Refactor erreurs domain typees + routes /blocs /clients /taches | TODO | DomainError sub-classes (RGViolationError, ConflictError) pour remplacer mapping par texte |
 | 4 — Auth middleware OIDC-ready | DONE | dual mode service-token + Authentik JWT/cookie, mode OIDC desactive en local (vars env absentes), 27 tests coverage 94.11% |
 | 4b — Docmost OIDC fork (rebrand DocAdenice + login Authentik) | TODO | docmost-fork-dev — depend Bloc 4 |
-| 5 — Rate limit + cache invalidation | TODO | RedisCache.checkRateLimit existe deja, faut middleware Hono qui l'appelle |
+| 5 — Rate limit + cache invalidation | DONE | middleware/rate-limit.ts (100%), lib/cache.ts (100%), wire global + mutation sur /api/v1/*, invalidation 3 routes write |
 | 6 — Tests integration adapters | DONE | `1528017`, 59 tests, redis-cache 100% / baserow 99% / docmost 97.7% lines |
 | 7a — Webhook Baserow (HMAC + idempotence + invalidation cache) | DONE | webhooks/* + routes/webhooks.ts, 100% coverage |
 | 7b — Webhook Docmost (stub) | STUB | log-only, handlers metier en Bloc 8 |
diff --git a/bridge/.env.example b/bridge/.env.example
index de712b8..12d1e81 100644
--- a/bridge/.env.example
+++ b/bridge/.env.example
@@ -37,7 +37,13 @@ BRIDGE_API_TOKENS=
 # AUTH_GROUPS_SCOPES_MAP={"formation-hub-formateurs":["formation:read","intervention:write"],"formation-hub-admins":["admin:*"]}
 # AUTH_STRICT_MAPPING=true   # false -> autorise les emails OIDC sans Personne (scopes des groups uniquement)
 
-# Rate limiting (par token + endpoint)
-RATE_LIMIT_READ_PER_MIN=600
-RATE_LIMIT_WRITE_PER_MIN=60
-RATE_LIMIT_WEBHOOK_PER_MIN=1000
+# Rate limiting (Bloc 5) — sliding window Redis sur /api/v1/*
+# (hors /api/health, /api/ready, /api/webhooks/* qui ont leur propre defense).
+# Global s'applique sur tous les verbes ; Mutation s'ajoute sur POST/PATCH/PUT/DELETE
+# avec un compteur Redis distinct (suffixe `:mut`) volontairement plus strict.
+# Cle derivee de l'identite : tokenId (service token) > email OIDC > sub OIDC > IP > anonymous.
+# Defauts conservateurs ci-dessous, override si besoin.
+# RATE_LIMIT_GLOBAL_MAX=100
+# RATE_LIMIT_GLOBAL_WINDOW=60
+# RATE_LIMIT_MUTATION_MAX=30
+# RATE_LIMIT_MUTATION_WINDOW=60
diff --git a/bridge/src/index.ts b/bridge/src/index.ts
index 032b65f..abf2857 100644
--- a/bridge/src/index.ts
+++ b/bridge/src/index.ts
@@ -13,6 +13,7 @@ import { getContainer, initContainer } from './lib/container.js';
 import { logger } from './lib/logger.js';
 import { type AuthVariables, authMiddleware } from './middleware/auth.js';
 import { errorHandler } from './middleware/error-handler.js';
+import { defaultRateLimitKey, rateLimit } from './middleware/rate-limit.js';
 import { attributionsRoutes } from './routes/attributions.js';
 import { formationsRoutes } from './routes/formations.js';
 import { interventionsRoutes } from './routes/interventions.js';
@@ -57,6 +58,30 @@ export async function buildApp(): Promise<Hono<{ Variables: AuthVariables }>> {
       logger: ctn.logger,
     }),
   );
+  // Rate limit global sur toute identite authentifiee. Place APRES authMiddleware
+  // pour que `c.var.user` soit deja peuple — sinon la cle tombe sur IP.
+  v1.use(
+    '*',
+    rateLimit(ctn.redis, {
+      maxRequests: ctn.config.rateLimitGlobalMax,
+      windowSeconds: ctn.config.rateLimitGlobalWindow,
+    }),
+  );
+  // Rate limit mutation : compteur dedie (suffixe `:mut`) qui ne s'applique
+  // qu'aux verbes ecrivants. Plus strict que le global car bursts d'ecriture =
+  // plus dangereux (charge Baserow + integrite donnees).
+  const mutationLimiter = rateLimit(ctn.redis, {
+    maxRequests: ctn.config.rateLimitMutationMax,
+    windowSeconds: ctn.config.rateLimitMutationWindow,
+    keyFrom: (c) => `${defaultRateLimitKey(c)}:mut`,
+  });
+  v1.use('*', async (c, next) => {
+    const method = c.req.method.toUpperCase();
+    if (method === 'POST' || method === 'PATCH' || method === 'PUT' || method === 'DELETE') {
+      return mutationLimiter(c, next);
+    }
+    await next();
+  });
   v1.route('/personnes', personnesRoutes);
   v1.route('/formations', formationsRoutes);
   v1.route('/projets', projetsRoutes);
diff --git a/bridge/src/lib/cache.ts b/bridge/src/lib/cache.ts
new file mode 100644
index 0000000..cb698b4
--- /dev/null
+++ b/bridge/src/lib/cache.ts
@@ -0,0 +1,73 @@
+/**
+ * Helpers d'invalidation cache cote bridge.
+ *
+ * Quand une route REST `/api/v1/*` mute Baserow (POST/PATCH/PUT/DELETE), Baserow
+ * va emettre un webhook qui invalidera le cache via `webhooks/baserow-handler.ts`.
+ * MAIS la latence webhook est variable (ms a quelques secondes selon la conf
+ * Baserow + reseau) — entre l'ecriture et l'arrivee du webhook, une lecture
+ * concurrente peut servir une valeur stale. L'invalidation immediate cote write
+ * ferme cette fenetre et evite la double-source-of-truth temporaire.
+ *
+ * Volontairement pas de coordination avec le webhook : si les deux invalidations
+ * tombent (write local puis webhook), `invalidatePattern` est idempotent (un
+ * pattern qui ne matche rien retourne 0, pas d'erreur).
+ */
+
+import type { TableName } from '../repos/baserow-repo.js';
+
+export interface CacheInvalidator {
+  invalidatePattern: (pattern: string) => Promise<number>;
+}
+
+/**
+ * Invalide le cache local pour une entite + cascade sur les rollups parents.
+ * Mirror de la logique webhook (`buildInvalidationPatterns`) — duplique
+ * volontairement ici plutot que d'extraire car les contextes sont differents
+ * (event_type webhook vs intent route).
+ *
+ * Si `id` fourni : invalide la row precise + la liste. Sinon : juste la liste
+ * (utile sur les creates ou on n'a pas encore l'id parent a invalider).
+ */
+export async function invalidateEntity(
+  redis: CacheInvalidator,
+  entity: TableName,
+  id?: number,
+): Promise<number> {
+  const patterns: string[] = [`bridge:${entity}:list:*`];
+  if (typeof id === 'number') {
+    patterns.push(`bridge:${entity}:row:${id}`);
+  }
+
+  // Cascade rollups parent : aligned avec webhooks/baserow-handler.ts.
+  switch (entity) {
+    case 'attribution':
+      patterns.push('bridge:module:row:*', 'bridge:module:list:*');
+      patterns.push('bridge:personne:row:*', 'bridge:personne:list:*');
+      break;
+    case 'intervention':
+      patterns.push('bridge:tache:row:*', 'bridge:tache:list:*');
+      patterns.push('bridge:personne:row:*', 'bridge:personne:list:*');
+      break;
+    case 'module':
+      patterns.push('bridge:bloc:row:*', 'bridge:bloc:list:*');
+      patterns.push('bridge:formation:row:*', 'bridge:formation:list:*');
+      break;
+    case 'bloc':
+      patterns.push('bridge:formation:row:*', 'bridge:formation:list:*');
+      break;
+    case 'tache':
+      patterns.push('bridge:projet:row:*', 'bridge:projet:list:*');
+      break;
+    case 'projet':
+      patterns.push('bridge:client:row:*', 'bridge:client:list:*');
+      break;
+    default:
+      break;
+  }
+
+  let total = 0;
+  for (const pattern of patterns) {
+    total += await redis.invalidatePattern(pattern);
+  }
+  return total;
+}
diff --git a/bridge/src/lib/config.ts b/bridge/src/lib/config.ts
index e13add1..bc8bac3 100644
--- a/bridge/src/lib/config.ts
+++ b/bridge/src/lib/config.ts
@@ -24,6 +24,13 @@ const ConfigSchema = z.object({
   // Si false : un JWT OIDC valide dont l'email n'a pas de Personne attache passe quand meme
   // (scopes derives uniquement des groups Authentik). Defaut strict.
   authStrictMapping: z.coerce.boolean().default(true),
+  // Rate limiting (Bloc 5). Global s'applique sur tout /api/v1/* ; mutation s'ajoute
+  // sur POST/PATCH/PUT/DELETE et est volontairement plus strict pour proteger
+  // contre les bursts buggy / scripts mal configures.
+  rateLimitGlobalMax: z.coerce.number().int().positive().default(100),
+  rateLimitGlobalWindow: z.coerce.number().int().positive().default(60),
+  rateLimitMutationMax: z.coerce.number().int().positive().default(30),
+  rateLimitMutationWindow: z.coerce.number().int().positive().default(60),
 });
 
 export type Config = z.infer<typeof ConfigSchema>;
@@ -46,6 +53,10 @@ export function loadConfig(): Config {
     authentikAudience: process.env.AUTHENTIK_AUDIENCE,
     authGroupsScopesMap: process.env.AUTH_GROUPS_SCOPES_MAP,
     authStrictMapping: process.env.AUTH_STRICT_MAPPING,
+    rateLimitGlobalMax: process.env.RATE_LIMIT_GLOBAL_MAX,
+    rateLimitGlobalWindow: process.env.RATE_LIMIT_GLOBAL_WINDOW,
+    rateLimitMutationMax: process.env.RATE_LIMIT_MUTATION_MAX,
+    rateLimitMutationWindow: process.env.RATE_LIMIT_MUTATION_WINDOW,
   });
 
   if (!parsed.success) {
diff --git a/bridge/src/middleware/rate-limit.ts b/bridge/src/middleware/rate-limit.ts
new file mode 100644
index 0000000..cdbccda
--- /dev/null
+++ b/bridge/src/middleware/rate-limit.ts
@@ -0,0 +1,100 @@
+/**
+ * Rate limit middleware bridge — defensif contre les bursts buggy + abus.
+ *
+ * Strategie : sliding window via `RedisCache.checkRateLimit` (deja teste en
+ * integration). Cle derivee de l'identite authentifiee :
+ *   1. tokenId (service token `brg_*`) — identite forte
+ *   2. email (OIDC) — identite forte
+ *   3. sub (OIDC) — fallback si email absent
+ *   4. IP via `x-forwarded-for` — identite faible (trompable derriere proxy mal configure)
+ *   5. 'anonymous' — derniere ligne avant 401
+ *
+ * Le cas IP est volontairement note `WARN` au log : un attaquant peut spoofer
+ * `X-Forwarded-За-For` si Traefik/nginx ne sanitize pas. En prod le rate limit
+ * doit s'appliquer apres l'auth middleware (qui rejette les anonymous), donc
+ * ce path est principalement reserve aux endpoints publics futurs.
+ *
+ * Differencier global / mutation : utiliser `keyFrom: c => `${default}:mut`` pour
+ * un compteur Redis dedie aux writes. Ainsi un user qui fait 20 GET + 20 POST
+ * consomme deux compteurs distincts.
+ */
+
+import type { Context, MiddlewareHandler } from 'hono';
+import { errors } from '../lib/errors.js';
+import { logger } from '../lib/logger.js';
+import type { AuthVariables } from './auth.js';
+
+export interface RateLimitDeps {
+  /** Compatible avec `RedisCache.checkRateLimit`. */
+  checkRateLimit: (key: string, maxRequests: number, windowSeconds: number) => Promise<boolean>;
+}
+
+export interface RateLimitOptions {
+  /** Nombre max de requetes dans la fenetre. */
+  maxRequests: number;
+  /** Largeur de la fenetre en secondes. */
+  windowSeconds: number;
+  /**
+   * Source de la clef rate limit. Defaut : tokenId service-token, sinon email
+   * OIDC, sinon sub OIDC, sinon IP (x-forwarded-for), sinon 'anonymous'.
+   */
+  keyFrom?: (c: Context<{ Variables: AuthVariables }>) => string;
+}
+
+/**
+ * Cle par defaut + warning si on tombe sur l'IP fallback.
+ * Exporte pour reuse dans `keyFrom` custom (`c => `${defaultRateLimitKey(c)}:mut``).
+ */
+export function defaultRateLimitKey(c: Context<{ Variables: AuthVariables }>): string {
+  // c.var.user n'est pas garanti present : le middleware peut etre monte avant
+  // ou apres l'auth selon la route. On lit defensivement.
+  const user = c.get('user') as AuthVariables['user'] | undefined;
+  if (user?.tokenId) return `token:${user.tokenId}`;
+  if (user?.email) return `email:${user.email.toLowerCase()}`;
+  if (user?.sub) return `sub:${user.sub}`;
+
+  // Fallback IP — identite faible.
+  const xff = c.req.header('x-forwarded-for');
+  if (xff) {
+    // x-forwarded-for peut contenir une chaine "client, proxy1, proxy2" ;
+    // on prend le premier (le plus eloigne du serveur).
+    const ip = xff.split(',')[0]?.trim();
+    if (ip) {
+      logger.warn(
+        { ip, path: c.req.path },
+        'rate limit using IP fallback — identite faible, vulnerable au spoof XFF',
+      );
+      return `ip:${ip}`;
+    }
+  }
+  logger.warn({ path: c.req.path }, 'rate limit on anonymous identity (no token, no IP)');
+  return 'anonymous';
+}
+
+/**
+ * Construit le middleware. Le `prefix` permet d'isoler plusieurs compteurs
+ * pour la meme identite (ex : global vs mutation).
+ */
+export function rateLimit(
+  deps: RateLimitDeps,
+  opts: RateLimitOptions,
+): MiddlewareHandler<{ Variables: AuthVariables }> {
+  const { maxRequests, windowSeconds, keyFrom = defaultRateLimitKey } = opts;
+
+  return async (c, next) => {
+    const baseKey = keyFrom(c);
+    const allowed = await deps.checkRateLimit(baseKey, maxRequests, windowSeconds);
+
+    if (!allowed) {
+      // X-RateLimit-Reset = secondes avant que la fenetre se vide. On donne
+      // `windowSeconds` au pire, l'utilisateur peut retry plus tot mais c'est
+      // un upper bound sur.
+      c.header('X-RateLimit-Limit', String(maxRequests));
+      c.header('X-RateLimit-Remaining', '0');
+      c.header('X-RateLimit-Reset', String(windowSeconds));
+      throw errors.rateLimited(windowSeconds);
+    }
+
+    await next();
+  };
+}
diff --git a/bridge/src/routes/attributions.ts b/bridge/src/routes/attributions.ts
index d9aa69a..b78c89a 100644
--- a/bridge/src/routes/attributions.ts
+++ b/bridge/src/routes/attributions.ts
@@ -6,6 +6,7 @@
 import { Decimal } from 'decimal.js';
 import { Hono } from 'hono';
 import { z } from 'zod';
+import { invalidateEntity } from '../lib/cache.js';
 import { getContainer } from '../lib/container.js';
 import { errors } from '../lib/errors.js';
 import { dec, parseBody } from '../lib/http.js';
@@ -41,6 +42,10 @@ attributionsRoutes.patch('/:id/heures-realisees', requireScope('write:attributio
 
   await repos.attributions.updateHeuresRealisees(id, attribution.heuresRealisees);
 
+  // Invalidation cache locale apres write — ferme la fenetre stale pre-webhook.
+  const { redis } = getContainer();
+  await invalidateEntity(redis, 'attribution', id);
+
   return c.json({
     data: {
       attribution_id: id,
diff --git a/bridge/src/routes/interventions.ts b/bridge/src/routes/interventions.ts
index 4e226e7..600c37e 100644
--- a/bridge/src/routes/interventions.ts
+++ b/bridge/src/routes/interventions.ts
@@ -6,6 +6,7 @@
 import { Decimal } from 'decimal.js';
 import { Hono } from 'hono';
 import { z } from 'zod';
+import { invalidateEntity } from '../lib/cache.js';
 import { getContainer } from '../lib/container.js';
 import { errors } from '../lib/errors.js';
 import { dec, parseBody } from '../lib/http.js';
@@ -61,6 +62,10 @@ interventionsRoutes.post('/', requireScope('write:interventions'), async (c) =>
     throw err;
   }
 
+  // Invalidation cache locale apres create — cascade tache + personne (rollups).
+  const { redis } = getContainer();
+  await invalidateEntity(redis, 'intervention', createdId);
+
   return c.json(
     {
       data: {
diff --git a/bridge/src/routes/modules.ts b/bridge/src/routes/modules.ts
index 8728a78..4a1441a 100644
--- a/bridge/src/routes/modules.ts
+++ b/bridge/src/routes/modules.ts
@@ -10,6 +10,7 @@
 import { Decimal } from 'decimal.js';
 import { Hono } from 'hono';
 import { z } from 'zod';
+import { invalidateEntity } from '../lib/cache.js';
 import { getContainer } from '../lib/container.js';
 import { errors } from '../lib/errors.js';
 import { dec, parseBody } from '../lib/http.js';
@@ -86,6 +87,10 @@ modulesRoutes.post('/:id/attribuer', requireScope('write:attributions'), async (
     throw err;
   }
 
+  // Invalidation cache locale apres create — cascade module + personne (rollups).
+  const { redis } = getContainer();
+  await invalidateEntity(redis, 'attribution', createdId);
+
   return c.json(
     {
       data: {
diff --git a/bridge/tests/helpers/test-app.ts b/bridge/tests/helpers/test-app.ts
index 7cc6cea..1f8dcfa 100644
--- a/bridge/tests/helpers/test-app.ts
+++ b/bridge/tests/helpers/test-app.ts
@@ -63,12 +63,23 @@ export interface TestContainerOverrides {
   tokens?: ApiTokenRecord[];
 }
 
+/**
+ * Stub Redis minimal pour les tests routes : juste les methodes que les routes
+ * appellent (invalidatePattern + checkRateLimit). No-op qui ne refuse jamais.
+ */
+function buildNoopRedis(): RedisCache {
+  return {
+    invalidatePattern: async (_pattern: string) => 0,
+    checkRateLimit: async (_key: string, _max: number, _win: number) => true,
+  } as unknown as RedisCache;
+}
+
 export function installTestContainer(over: TestContainerOverrides): Container {
   const tokensMap = new Map<string, ApiTokenRecord>();
   for (const t of over.tokens ?? TEST_TOKENS) tokensMap.set(t.token, t);
 
   const fakeBaserow = over.baserow ?? ({} as BaserowClient);
-  const fakeRedis = over.redis ?? ({} as RedisCache);
+  const fakeRedis = over.redis ?? buildNoopRedis();
 
   const container: Container = {
     config: {
@@ -82,6 +93,10 @@ export function installTestContainer(over: TestContainerOverrides): Container {
       docmostWebhookSecret: 'fake_docmost_secret_at_least_16_chars',
       bridgeApiTokens: undefined,
       authStrictMapping: true,
+      rateLimitGlobalMax: 10000,
+      rateLimitGlobalWindow: 60,
+      rateLimitMutationMax: 10000,
+      rateLimitMutationWindow: 60,
     },
     baserow: fakeBaserow,
     redis: fakeRedis,
diff --git a/bridge/tests/integration/rate-limit-app.test.ts b/bridge/tests/integration/rate-limit-app.test.ts
new file mode 100644
index 0000000..301b17e
--- /dev/null
+++ b/bridge/tests/integration/rate-limit-app.test.ts
@@ -0,0 +1,278 @@
+/**
+ * Integration test : verifie que le rate limit s'applique sur /api/v1/* et
+ * PAS sur /api/health, /api/ready, /api/webhooks/*. Et que l'invalidation
+ * cache est declenchee apres POST/PATCH/PUT/DELETE sur les routes mutation.
+ *
+ * On reconstitue une mini app proche de buildApp() (sans serve()) avec un
+ * fake Redis qui compte les calls invalidatePattern + checkRateLimit.
+ */
+
+import { Decimal } from 'decimal.js';
+import { Hono } from 'hono';
+import { afterEach, describe, expect, it } from 'vitest';
+import type { RedisCache } from '../../src/adapters/redis-cache.js';
+import type { Personne } from '../../src/domain/personne.js';
+import { setContainer } from '../../src/lib/container.js';
+import { logger } from '../../src/lib/logger.js';
+import { type AuthVariables, authMiddleware } from '../../src/middleware/auth.js';
+import { errorHandler } from '../../src/middleware/error-handler.js';
+import { defaultRateLimitKey, rateLimit } from '../../src/middleware/rate-limit.js';
+import { attributionsRoutes } from '../../src/routes/attributions.js';
+import { interventionsRoutes } from '../../src/routes/interventions.js';
+import { modulesRoutes } from '../../src/routes/modules.js';
+import { personnesRoutes } from '../../src/routes/personnes.js';
+import { webhooksRoutes } from '../../src/routes/webhooks.js';
+import { buildFakeRepos } from '../helpers/fake-repos.js';
+import { makeAttribution, makePersonne } from '../helpers/fixtures.js';
+
+const TABLE_IDS = {
+  personne: 1,
+  formation: 2,
+  bloc: 3,
+  module: 4,
+  attribution: 5,
+  client: 6,
+  projet: 7,
+  tache: 8,
+  intervention: 9,
+} as const;
+
+class FakeRedis {
+  public invalidations: string[] = [];
+  public rateChecks: Array<{ key: string; max: number }> = [];
+  public counts = new Map<string, number>();
+  public eventIds = new Set<string>();
+
+  async invalidatePattern(pattern: string): Promise<number> {
+    this.invalidations.push(pattern);
+    return 1;
+  }
+
+  async checkRateLimit(key: string, max: number, _window: number): Promise<boolean> {
+    this.rateChecks.push({ key, max });
+    const next = (this.counts.get(key) ?? 0) + 1;
+    this.counts.set(key, next);
+    return next <= max;
+  }
+
+  async checkAndStoreEventId(id: string): Promise<boolean> {
+    if (this.eventIds.has(id)) return true;
+    this.eventIds.add(id);
+    return false;
+  }
+}
+
+const READ_TOKEN = 'brg_read';
+const WRITE_TOKEN = 'brg_write';
+
+function installContainer(redis: FakeRedis, opts: { globalMax: number; mutationMax: number }) {
+  const personne = makePersonne({ id: 1, roles: ['formateur'] });
+  const attribution = makeAttribution({ id: 500 });
+  const repos = buildFakeRepos({ personnes: [personne], attributions: [attribution] });
+
+  setContainer({
+    config: {
+      nodeEnv: 'test',
+      port: 0,
+      logLevel: 'fatal',
+      baserowApiUrl: 'http://localhost',
+      baserowApiToken: 'fake',
+      redisUrl: 'redis://localhost',
+      baserowWebhookSecret: 'fake-secret-at-least-16-chars-long',
+      docmostWebhookSecret: undefined,
+      bridgeApiTokens: undefined,
+      authStrictMapping: true,
+      rateLimitGlobalMax: opts.globalMax,
+      rateLimitGlobalWindow: 60,
+      rateLimitMutationMax: opts.mutationMax,
+      rateLimitMutationWindow: 60,
+    },
+    // biome-ignore lint/suspicious/noExplicitAny: stubs
+    baserow: {} as any,
+    redis: redis as unknown as RedisCache,
+    repos,
+    tokens: new Map([
+      [READ_TOKEN, { token: READ_TOKEN, name: 'reader', scopes: ['read:personnes'] }],
+      [
+        WRITE_TOKEN,
+        { token: WRITE_TOKEN, name: 'writer', scopes: ['write:attributions', 'admin:*'] },
+      ],
+    ]),
+    tableIds: TABLE_IDS,
+    oidc: null,
+    groupsScopesMap: {},
+    logger,
+  });
+  return repos;
+}
+
+function buildAppWithRateLimit(redis: FakeRedis, opts: { globalMax: number; mutationMax: number }) {
+  const app = new Hono<{ Variables: AuthVariables }>();
+  app.onError(errorHandler);
+
+  app.get('/api/health', (c) => c.json({ status: 'ok' }));
+  app.get('/api/ready', (c) => c.json({ status: 'ok' }));
+  app.route('/api/webhooks', webhooksRoutes);
+
+  const v1 = new Hono<{ Variables: AuthVariables }>();
+  v1.use(
+    '*',
+    authMiddleware({
+      tokens: new Map([
+        [READ_TOKEN, { token: READ_TOKEN, name: 'reader', scopes: ['read:personnes'] }],
+        [
+          WRITE_TOKEN,
+          { token: WRITE_TOKEN, name: 'writer', scopes: ['write:attributions', 'admin:*'] },
+        ],
+      ]),
+      oidc: null,
+      groupsScopesMap: {},
+      strictMapping: true,
+      cache: {
+        get: async () => null,
+        set: async () => {},
+      },
+      finder: { findByEmail: async (): Promise<Personne | null> => null },
+      logger,
+    }),
+  );
+  v1.use('*', rateLimit(redis, { maxRequests: opts.globalMax, windowSeconds: 60 }));
+  const mutLimiter = rateLimit(redis, {
+    maxRequests: opts.mutationMax,
+    windowSeconds: 60,
+    keyFrom: (c) => `${defaultRateLimitKey(c)}:mut`,
+  });
+  v1.use('*', async (c, next) => {
+    const m = c.req.method.toUpperCase();
+    if (m === 'POST' || m === 'PATCH' || m === 'PUT' || m === 'DELETE') {
+      return mutLimiter(c, next);
+    }
+    await next();
+  });
+  v1.route('/personnes', personnesRoutes);
+  v1.route('/modules', modulesRoutes);
+  v1.route('/interventions', interventionsRoutes);
+  v1.route('/attributions', attributionsRoutes);
+  app.route('/api/v1', v1);
+  return app;
+}
+
+afterEach(() => setContainer(null));
+
+describe('Rate limit application sur /api/v1/*', () => {
+  it('GET /api/health : pas de rate limit (route publique)', async () => {
+    const redis = new FakeRedis();
+    installContainer(redis, { globalMax: 1, mutationMax: 1 });
+    const app = buildAppWithRateLimit(redis, { globalMax: 1, mutationMax: 1 });
+
+    const r1 = await app.request('/api/health');
+    const r2 = await app.request('/api/health');
+    const r3 = await app.request('/api/health');
+
+    expect(r1.status).toBe(200);
+    expect(r2.status).toBe(200);
+    expect(r3.status).toBe(200);
+    expect(redis.rateChecks).toHaveLength(0);
+  });
+
+  it('GET /api/ready : pas de rate limit', async () => {
+    const redis = new FakeRedis();
+    installContainer(redis, { globalMax: 1, mutationMax: 1 });
+    const app = buildAppWithRateLimit(redis, { globalMax: 1, mutationMax: 1 });
+
+    await app.request('/api/ready');
+    await app.request('/api/ready');
+
+    expect(redis.rateChecks).toHaveLength(0);
+  });
+
+  it('POST /api/webhooks/baserow : pas de rate limit (HMAC + idempotence couvrent)', async () => {
+    const redis = new FakeRedis();
+    installContainer(redis, { globalMax: 1, mutationMax: 1 });
+    const app = buildAppWithRateLimit(redis, { globalMax: 1, mutationMax: 1 });
+
+    // Sans signature : 401, mais sans avoir consomme le rate limit.
+    const r = await app.request('/api/webhooks/baserow', { method: 'POST', body: '{}' });
+    expect(r.status).toBe(401);
+    expect(redis.rateChecks).toHaveLength(0);
+  });
+
+  it('GET /api/v1/personnes : rate limit consomme', async () => {
+    const redis = new FakeRedis();
+    installContainer(redis, { globalMax: 100, mutationMax: 100 });
+    const app = buildAppWithRateLimit(redis, { globalMax: 100, mutationMax: 100 });
+
+    const r = await app.request('/api/v1/personnes', {
+      headers: { Authorization: `Bearer ${READ_TOKEN}` },
+    });
+    expect(r.status).toBe(200);
+    expect(redis.rateChecks).toHaveLength(1);
+    expect(redis.rateChecks[0]?.key).toBe('token:reader');
+  });
+
+  it('GET au-dela de globalMax -> 429', async () => {
+    const redis = new FakeRedis();
+    installContainer(redis, { globalMax: 2, mutationMax: 100 });
+    const app = buildAppWithRateLimit(redis, { globalMax: 2, mutationMax: 100 });
+
+    const headers = { Authorization: `Bearer ${READ_TOKEN}` };
+    const r1 = await app.request('/api/v1/personnes', { headers });
+    const r2 = await app.request('/api/v1/personnes', { headers });
+    const r3 = await app.request('/api/v1/personnes', { headers });
+
+    expect(r1.status).toBe(200);
+    expect(r2.status).toBe(200);
+    expect(r3.status).toBe(429);
+  });
+
+  it('PATCH attribution : applique mutation rate limit + invalide le cache', async () => {
+    const redis = new FakeRedis();
+    installContainer(redis, { globalMax: 100, mutationMax: 100 });
+    const app = buildAppWithRateLimit(redis, { globalMax: 100, mutationMax: 100 });
+
+    const r = await app.request('/api/v1/attributions/500/heures-realisees', {
+      method: 'PATCH',
+      headers: {
+        Authorization: `Bearer ${WRITE_TOKEN}`,
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({ heures_realisees: 4 }),
+    });
+
+    expect(r.status).toBe(200);
+
+    // Deux compteurs Redis distincts : token:writer et token:writer:mut.
+    const keys = redis.rateChecks.map((c) => c.key);
+    expect(keys).toContain('token:writer');
+    expect(keys).toContain('token:writer:mut');
+
+    // Cache invalidation : attribution row + list + cascade module + personne.
+    expect(redis.invalidations).toContain('bridge:attribution:list:*');
+    expect(redis.invalidations).toContain('bridge:attribution:row:500');
+    expect(redis.invalidations).toContain('bridge:module:list:*');
+    expect(redis.invalidations).toContain('bridge:personne:list:*');
+  });
+
+  it('mutation au-dela de mutationMax -> 429 meme si globalMax pas atteint', async () => {
+    const redis = new FakeRedis();
+    installContainer(redis, { globalMax: 100, mutationMax: 1 });
+    const app = buildAppWithRateLimit(redis, { globalMax: 100, mutationMax: 1 });
+
+    const headers = { Authorization: `Bearer ${WRITE_TOKEN}`, 'Content-Type': 'application/json' };
+    const body = JSON.stringify({ heures_realisees: new Decimal(1).toNumber() });
+
+    const r1 = await app.request('/api/v1/attributions/500/heures-realisees', {
+      method: 'PATCH',
+      headers,
+      body,
+    });
+    const r2 = await app.request('/api/v1/attributions/500/heures-realisees', {
+      method: 'PATCH',
+      headers,
+      body,
+    });
+
+    expect(r1.status).toBe(200);
+    expect(r2.status).toBe(429);
+  });
+});
diff --git a/bridge/tests/middleware/rate-limit.test.ts b/bridge/tests/middleware/rate-limit.test.ts
new file mode 100644
index 0000000..660010d
--- /dev/null
+++ b/bridge/tests/middleware/rate-limit.test.ts
@@ -0,0 +1,286 @@
+/**
+ * Tests rate limit middleware — fakes Redis.checkRateLimit pour observabilite.
+ *
+ * Pour les fenetres temporelles : pas de fake timers Vitest car
+ * RedisCache.checkRateLimit est mocke par fonction async ; on simule la reset
+ * en remplacant le mock entre les requetes (equivalent fonctionnel).
+ */
+
+import { Hono } from 'hono';
+import { afterEach, describe, expect, it, vi } from 'vitest';
+import { errorHandler } from '../../src/middleware/error-handler.js';
+import {
+  type RateLimitDeps,
+  defaultRateLimitKey,
+  rateLimit,
+} from '../../src/middleware/rate-limit.js';
+
+interface FakeUser {
+  source: string;
+  tokenId?: string;
+  email?: string;
+  sub?: string;
+  roles: string[];
+  groups: string[];
+  scopes: string[];
+}
+
+function buildApp(
+  deps: RateLimitDeps,
+  opts: { max: number; window: number; keyFrom?: Parameters<typeof rateLimit>[1]['keyFrom'] },
+  presetUser?: FakeUser,
+) {
+  const app = new Hono();
+  app.onError(errorHandler);
+  app.use('*', async (c, next) => {
+    if (presetUser) c.set('user' as never, presetUser as never);
+    await next();
+  });
+  app.use(
+    '*',
+    rateLimit(deps, {
+      maxRequests: opts.max,
+      windowSeconds: opts.window,
+      keyFrom: opts.keyFrom,
+    }),
+  );
+  app.get('/', (c) => c.text('ok'));
+  app.post('/mut', (c) => c.text('mut'));
+  return app;
+}
+
+class FakeLimiter {
+  public calls: Array<{ key: string; max: number; window: number }> = [];
+  // Map de (key) -> count vu jusqu'a maintenant. La fenetre n'est pas simulee :
+  // on remet a 0 manuellement entre les groupes de tests pour mimer l'expiry.
+  public counts = new Map<string, number>();
+
+  checkRateLimit = async (key: string, max: number, window: number): Promise<boolean> => {
+    this.calls.push({ key, max, window });
+    const next = (this.counts.get(key) ?? 0) + 1;
+    this.counts.set(key, next);
+    return next <= max;
+  };
+
+  reset(key: string) {
+    this.counts.set(key, 0);
+  }
+}
+
+describe('rateLimit middleware', () => {
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  it('autorise sous la limite, refuse au-dela avec 429 RATE_LIMITED', async () => {
+    const limiter = new FakeLimiter();
+    const app = buildApp(
+      limiter,
+      { max: 2, window: 60 },
+      {
+        source: 'service-token',
+        tokenId: 'svc-A',
+        roles: [],
+        groups: [],
+        scopes: [],
+      },
+    );
+
+    const r1 = await app.request('/');
+    const r2 = await app.request('/');
+    const r3 = await app.request('/');
+
+    expect(r1.status).toBe(200);
+    expect(r2.status).toBe(200);
+    expect(r3.status).toBe(429);
+    const body = (await r3.json()) as {
+      error: { code: string; details?: { retry_after: number } };
+    };
+    expect(body.error.code).toBe('RATE_LIMITED');
+    expect(body.error.details?.retry_after).toBe(60);
+    expect(r3.headers.get('X-RateLimit-Limit')).toBe('2');
+    expect(r3.headers.get('X-RateLimit-Remaining')).toBe('0');
+    expect(r3.headers.get('X-RateLimit-Reset')).toBe('60');
+  });
+
+  it('reset apres windowSeconds (simulee via reset du compteur fake)', async () => {
+    const limiter = new FakeLimiter();
+    const app = buildApp(
+      limiter,
+      { max: 1, window: 5 },
+      {
+        source: 'service-token',
+        tokenId: 'svc-B',
+        roles: [],
+        groups: [],
+        scopes: [],
+      },
+    );
+
+    const r1 = await app.request('/');
+    const r2 = await app.request('/');
+    expect(r1.status).toBe(200);
+    expect(r2.status).toBe(429);
+
+    // Simule l'expiry de la fenetre.
+    limiter.reset('token:svc-B');
+
+    const r3 = await app.request('/');
+    expect(r3.status).toBe(200);
+  });
+
+  it('compteurs global et mutation sont independants (cles distinctes en Redis)', async () => {
+    const limiter = new FakeLimiter();
+    const user: FakeUser = {
+      source: 'service-token',
+      tokenId: 'svc-C',
+      roles: [],
+      groups: [],
+      scopes: [],
+    };
+
+    const app = new Hono();
+    app.onError(errorHandler);
+    app.use('*', async (c, next) => {
+      c.set('user' as never, user as never);
+      await next();
+    });
+    app.use('*', rateLimit(limiter, { maxRequests: 5, windowSeconds: 60 }));
+    app.use(
+      '*',
+      rateLimit(limiter, {
+        maxRequests: 2,
+        windowSeconds: 60,
+        keyFrom: (c) => `${defaultRateLimitKey(c)}:mut`,
+      }),
+    );
+    app.post('/mut', (c) => c.text('ok'));
+
+    const r1 = await app.request('/mut', { method: 'POST' });
+    const r2 = await app.request('/mut', { method: 'POST' });
+    const r3 = await app.request('/mut', { method: 'POST' });
+
+    expect(r1.status).toBe(200);
+    expect(r2.status).toBe(200);
+    // 3eme : global = 3/5 OK, mutation = 3/2 KO -> 429.
+    expect(r3.status).toBe(429);
+
+    // Assertions sur les cles : deux compteurs distincts en Redis.
+    const keys = limiter.calls.map((c) => c.key);
+    expect(keys).toContain('token:svc-C');
+    expect(keys).toContain('token:svc-C:mut');
+  });
+
+  it('cle prioritaire : tokenId service-token avant tout', async () => {
+    const limiter = new FakeLimiter();
+    const app = buildApp(
+      limiter,
+      { max: 5, window: 60 },
+      {
+        source: 'service-token',
+        tokenId: 'svc-D',
+        email: 'should-not-be-used@test',
+        sub: 'sub-x',
+        roles: [],
+        groups: [],
+        scopes: [],
+      },
+    );
+
+    await app.request('/');
+    expect(limiter.calls[0]?.key).toBe('token:svc-D');
+  });
+
+  it('cle email OIDC quand pas de tokenId', async () => {
+    const limiter = new FakeLimiter();
+    const app = buildApp(
+      limiter,
+      { max: 5, window: 60 },
+      {
+        source: 'oidc-jwt',
+        email: 'Foo@Bar.IO',
+        sub: 'sub-y',
+        roles: [],
+        groups: [],
+        scopes: [],
+      },
+    );
+
+    await app.request('/');
+    // Email lower-case pour stabilite cross-casing.
+    expect(limiter.calls[0]?.key).toBe('email:foo@bar.io');
+  });
+
+  it('cle sub OIDC quand email absent', async () => {
+    const limiter = new FakeLimiter();
+    const app = buildApp(
+      limiter,
+      { max: 5, window: 60 },
+      {
+        source: 'oidc-jwt',
+        sub: 'sub-z',
+        roles: [],
+        groups: [],
+        scopes: [],
+      },
+    );
+
+    await app.request('/');
+    expect(limiter.calls[0]?.key).toBe('sub:sub-z');
+  });
+
+  it('fallback IP via x-forwarded-for + warning logge', async () => {
+    const limiter = new FakeLimiter();
+    const app = new Hono();
+    app.onError(errorHandler);
+    app.use('*', rateLimit(limiter, { maxRequests: 5, windowSeconds: 60 }));
+    app.get('/', (c) => c.text('ok'));
+
+    await app.request('/', { headers: { 'x-forwarded-for': '203.0.113.5, 10.0.0.1' } });
+
+    // Premier IP (client le plus eloigne) extrait correctement.
+    expect(limiter.calls[0]?.key).toBe('ip:203.0.113.5');
+  });
+
+  it('fallback anonymous quand ni user ni IP', async () => {
+    const limiter = new FakeLimiter();
+    const app = new Hono();
+    app.onError(errorHandler);
+    app.use('*', rateLimit(limiter, { maxRequests: 5, windowSeconds: 60 }));
+    app.get('/', (c) => c.text('ok'));
+
+    await app.request('/');
+    expect(limiter.calls[0]?.key).toBe('anonymous');
+  });
+
+  it('keyFrom custom override la priorite par defaut', async () => {
+    const limiter = new FakeLimiter();
+    const app = buildApp(
+      limiter,
+      { max: 5, window: 60, keyFrom: () => 'custom-key' },
+      { source: 'service-token', tokenId: 'svc-E', roles: [], groups: [], scopes: [] },
+    );
+
+    await app.request('/');
+    expect(limiter.calls[0]?.key).toBe('custom-key');
+  });
+
+  it('appelle next() en cascade sans erreur quand sous la limite', async () => {
+    const limiter = new FakeLimiter();
+    const app = buildApp(
+      limiter,
+      { max: 10, window: 60 },
+      {
+        source: 'service-token',
+        tokenId: 'svc-F',
+        roles: [],
+        groups: [],
+        scopes: [],
+      },
+    );
+
+    const res = await app.request('/');
+    expect(res.status).toBe(200);
+    expect(await res.text()).toBe('ok');
+  });
+});
diff --git a/bridge/tests/unit/cache.test.ts b/bridge/tests/unit/cache.test.ts
new file mode 100644
index 0000000..0246dc3
--- /dev/null
+++ b/bridge/tests/unit/cache.test.ts
@@ -0,0 +1,134 @@
+/**
+ * Tests unit pour invalidateEntity — verifie les patterns generes par entite,
+ * la cascade rollups parent, et l'idempotence (deux invalidations meme key).
+ */
+
+import { describe, expect, it } from 'vitest';
+import { type CacheInvalidator, invalidateEntity } from '../../src/lib/cache.js';
+
+class FakeRedis implements CacheInvalidator {
+  public patterns: string[] = [];
+  // Map pour simuler des keys persistees (incrementee a chaque set fictif).
+  public callCount = 0;
+
+  async invalidatePattern(pattern: string): Promise<number> {
+    this.patterns.push(pattern);
+    this.callCount++;
+    return 1; // un match fictif
+  }
+}
+
+describe('invalidateEntity', () => {
+  it('attribution : cascade sur module + personne (rollups RG-01)', async () => {
+    const redis = new FakeRedis();
+    await invalidateEntity(redis, 'attribution', 42);
+
+    expect(redis.patterns).toContain('bridge:attribution:list:*');
+    expect(redis.patterns).toContain('bridge:attribution:row:42');
+    expect(redis.patterns).toContain('bridge:module:row:*');
+    expect(redis.patterns).toContain('bridge:module:list:*');
+    expect(redis.patterns).toContain('bridge:personne:row:*');
+    expect(redis.patterns).toContain('bridge:personne:list:*');
+  });
+
+  it('intervention : cascade sur tache + personne', async () => {
+    const redis = new FakeRedis();
+    await invalidateEntity(redis, 'intervention', 100);
+
+    expect(redis.patterns).toContain('bridge:intervention:list:*');
+    expect(redis.patterns).toContain('bridge:intervention:row:100');
+    expect(redis.patterns).toContain('bridge:tache:row:*');
+    expect(redis.patterns).toContain('bridge:tache:list:*');
+    expect(redis.patterns).toContain('bridge:personne:row:*');
+    expect(redis.patterns).toContain('bridge:personne:list:*');
+  });
+
+  it('module : cascade sur bloc + formation', async () => {
+    const redis = new FakeRedis();
+    await invalidateEntity(redis, 'module', 7);
+    expect(redis.patterns).toContain('bridge:module:list:*');
+    expect(redis.patterns).toContain('bridge:module:row:7');
+    expect(redis.patterns).toContain('bridge:bloc:row:*');
+    expect(redis.patterns).toContain('bridge:bloc:list:*');
+    expect(redis.patterns).toContain('bridge:formation:row:*');
+    expect(redis.patterns).toContain('bridge:formation:list:*');
+  });
+
+  it('bloc : cascade formation seulement', async () => {
+    const redis = new FakeRedis();
+    await invalidateEntity(redis, 'bloc', 3);
+    expect(redis.patterns).toContain('bridge:bloc:list:*');
+    expect(redis.patterns).toContain('bridge:bloc:row:3');
+    expect(redis.patterns).toContain('bridge:formation:row:*');
+    expect(redis.patterns).toContain('bridge:formation:list:*');
+    // Pas de cascade modules au-dessus.
+    expect(redis.patterns).not.toContain('bridge:module:list:*');
+  });
+
+  it('tache : cascade projet', async () => {
+    const redis = new FakeRedis();
+    await invalidateEntity(redis, 'tache', 8);
+    expect(redis.patterns).toContain('bridge:tache:list:*');
+    expect(redis.patterns).toContain('bridge:tache:row:8');
+    expect(redis.patterns).toContain('bridge:projet:row:*');
+    expect(redis.patterns).toContain('bridge:projet:list:*');
+  });
+
+  it('projet : cascade client', async () => {
+    const redis = new FakeRedis();
+    await invalidateEntity(redis, 'projet', 5);
+    expect(redis.patterns).toContain('bridge:projet:list:*');
+    expect(redis.patterns).toContain('bridge:projet:row:5');
+    expect(redis.patterns).toContain('bridge:client:row:*');
+    expect(redis.patterns).toContain('bridge:client:list:*');
+  });
+
+  it('personne : pas de cascade parent (entite racine)', async () => {
+    const redis = new FakeRedis();
+    await invalidateEntity(redis, 'personne', 1);
+    expect(redis.patterns).toContain('bridge:personne:list:*');
+    expect(redis.patterns).toContain('bridge:personne:row:1');
+    expect(redis.patterns).toHaveLength(2);
+  });
+
+  it('formation : pas de cascade parent (entite racine)', async () => {
+    const redis = new FakeRedis();
+    await invalidateEntity(redis, 'formation', 9);
+    expect(redis.patterns).toContain('bridge:formation:list:*');
+    expect(redis.patterns).toContain('bridge:formation:row:9');
+    expect(redis.patterns).toHaveLength(2);
+  });
+
+  it('client : pas de cascade parent', async () => {
+    const redis = new FakeRedis();
+    await invalidateEntity(redis, 'client', 4);
+    expect(redis.patterns).toContain('bridge:client:list:*');
+    expect(redis.patterns).toContain('bridge:client:row:4');
+    expect(redis.patterns).toHaveLength(2);
+  });
+
+  it('sans id : invalide juste la liste + cascade (cas create avant id connu)', async () => {
+    const redis = new FakeRedis();
+    await invalidateEntity(redis, 'attribution');
+
+    expect(redis.patterns).toContain('bridge:attribution:list:*');
+    expect(redis.patterns).not.toContain('bridge:attribution:row:undefined');
+    // Cascade toujours appliquee meme sans id.
+    expect(redis.patterns).toContain('bridge:module:list:*');
+  });
+
+  it('idempotent : deux invalidations meme key ne throw pas', async () => {
+    const redis = new FakeRedis();
+    await invalidateEntity(redis, 'attribution', 42);
+    await expect(invalidateEntity(redis, 'attribution', 42)).resolves.toBeGreaterThanOrEqual(0);
+    // Les patterns sont appeles deux fois, c'est attendu.
+    expect(redis.patterns.filter((p) => p === 'bridge:attribution:row:42')).toHaveLength(2);
+  });
+
+  it('retourne le total des keys invalidees', async () => {
+    const redis = new FakeRedis();
+    const total = await invalidateEntity(redis, 'attribution', 1);
+    // FakeRedis retourne 1 par appel, 6 patterns -> 6.
+    expect(total).toBe(6);
+  });
+});
diff --git a/bridge/tests/webhooks/routes.test.ts b/bridge/tests/webhooks/routes.test.ts
index 5dda71c..bf9e673 100644
--- a/bridge/tests/webhooks/routes.test.ts
+++ b/bridge/tests/webhooks/routes.test.ts
@@ -55,6 +55,11 @@ function installContainer(redis: FakeRedis, withDocmostSecret = true) {
       baserowWebhookSecret: BASEROW_SECRET,
       docmostWebhookSecret: withDocmostSecret ? DOCMOST_SECRET : undefined,
       bridgeApiTokens: undefined,
+      authStrictMapping: true,
+      rateLimitGlobalMax: 10000,
+      rateLimitGlobalWindow: 60,
+      rateLimitMutationMax: 10000,
+      rateLimitMutationWindow: 60,
     },
     // biome-ignore lint/suspicious/noExplicitAny: fake injection
     baserow: {} as any,
diff --git a/bridge/vitest.config.ts b/bridge/vitest.config.ts
index 67092b3..bae48f1 100644
--- a/bridge/vitest.config.ts
+++ b/bridge/vitest.config.ts
@@ -37,6 +37,19 @@ export default defineConfig({
           branches: 85,
           statements: 85,
         },
+        // Bloc 5 : rate limit middleware + cache helper.
+        'src/middleware/rate-limit.ts': {
+          lines: 85,
+          functions: 85,
+          branches: 85,
+          statements: 85,
+        },
+        'src/lib/cache.ts': {
+          lines: 85,
+          functions: 85,
+          branches: 85,
+          statements: 85,
+        },
       },
     },
     passWithNoTests: true,