diff --git a/app/main.py b/app/main.py
index bf53576..4c8238c 100644
--- a/app/main.py
+++ b/app/main.py
@@ -75,15 +75,27 @@ logger = logging.getLogger(__name__)
 async def lifespan(_app: FastAPI):
     init_db()
     init_webhook_tables()
+    import os
+    import secrets
+
     from app.db import get_conn
     from app.password_utils import hash_password
-    admin_hash = hash_password("FlowDeck2026!")
+
+    # A8 : plus de mot de passe admin codé en dur — mot de passe aléatoire au
+    # premier boot (affiché une fois) ou FLOWDECK_ADMIN_PASSWORD ; re-seed si absent.
     with get_conn() as conn:
-        conn.execute(
-            "INSERT OR IGNORE INTO users (login, full_name, email, password_hash, is_admin) VALUES ('admin', 'Admin', '', ?, 1)",
-            (admin_hash,)
-        )
-        conn.commit()
+        if not conn.execute("SELECT 1 FROM users WHERE login='admin'").fetchone():
+            admin_pw = os.environ.get("FLOWDECK_ADMIN_PASSWORD") or secrets.token_urlsafe(12)
+            conn.execute(
+                "INSERT INTO users (login, full_name, email, password_hash, is_admin) VALUES ('admin', 'Admin', '', ?, 1)",
+                (hash_password(admin_pw),),
+            )
+            conn.commit()
+            logger.warning(
+                "Premier démarrage : compte admin créé, mot de passe = %s "
+                "(définir FLOWDECK_ADMIN_PASSWORD pour le fixer)",
+                admin_pw,
+            )
 
     # ── FlowDeck Agent (v4.10.0): scheduled custom-agent triggers ──
     from app.routers.agent import agent_scheduler
diff --git a/app/middleware/csrf.py b/app/middleware/csrf.py
index 184dd5f..98af6e7 100644
--- a/app/middleware/csrf.py
+++ b/app/middleware/csrf.py
@@ -18,7 +18,7 @@ class CSRFMiddleware(BaseHTTPMiddleware):
     SAFE_METHODS = {"GET", "HEAD", "OPTIONS"}
     # NOTE: ``/scim/v2`` is Bearer-token only (no cookie auth), so CSRF does not
     # apply — IdP SCIM clients (Okta, Entra) cannot send an X-CSRF-Token.
-    EXCLUDED_PATHS = {"/api/webhook", "/api/v1", "/api/v2", "/scim/v2", "/auth/callback", "/auth/register", "/auth/local-login", "/auth/local-verify", "/auth/2fa", "/auth/saml", "/auth/oidc", "/auth/webauthn", "/api/user", "/board/api/pages", "/board/api/favorites", "/api/workspace", "/api/local-workspace", "/api/settings", "/db/", "/workspace", "/api/frontend-error", "/api/admin", "/api/gitea", "/api/github", "/api/pages", "/api/recents", "/api/csrf-token", "/api/notifications", "/api/comments", "/api/agent", "/api/automations", "/workspace/automations", "/api/onboarding", "/s/", "/f/"}
+    EXCLUDED_PATHS = {"/api/webhook", "/api/v1", "/api/v2", "/scim/v2", "/auth/callback", "/auth/register", "/auth/local-login", "/auth/local-verify", "/auth/2fa", "/auth/saml", "/auth/oidc", "/auth/webauthn", "/board/api/favorites", "/api/workspace", "/api/local-workspace", "/api/settings", "/db/", "/workspace", "/api/frontend-error", "/api/admin", "/api/gitea", "/api/github", "/api/pages", "/api/recents", "/api/csrf-token", "/api/notifications", "/api/comments", "/api/agent", "/api/automations", "/workspace/automations", "/api/onboarding", "/s/", "/f/"}
 
     async def dispatch(self, request: Request, call_next):
         # Webhook receiver, OAuth callback, and internal API are exempt
diff --git a/app/routers/board.py b/app/routers/board.py
index b9c1e15..addc860 100644
--- a/app/routers/board.py
+++ b/app/routers/board.py
@@ -1385,6 +1385,9 @@ async def create_page(request: Request, title: str = Query(default=""),
                        parent_id: int = Query(default=0)):
     """Create a new Markdown page, optionally as a sub-page."""
     user = SessionManager.decode_session(request.cookies.get("flowdeck_session", ""))
+    if not user or not user.get("id"):
+        # A7 : la création de page exige une session (route sortue de la liste CSRF).
+        raise HTTPException(401, "Authentication required")
     ws_key = project if project else (user.get("login", "Bruno") if user else "Bruno")
     page_title = title.strip() if title else ""
     try:
@@ -1417,11 +1420,11 @@ async def create_page(request: Request, title: str = Query(default=""),
 async def get_page(request: Request, page_id: int):
     """Get a Markdown page."""
     user = SessionManager.decode_session(request.cookies.get("flowdeck_session", ""))
-    # No session → legacy single-user behaviour (matches collections `_require_view`).
-    if user and user.get("id"):
-        # v6.0.0: granular page permissions — 404 (not 403) hides restricted pages.
-        if not PermissionManager(user["id"], bool(user.get("is_admin"))).can_view_page(page_id):
-            raise HTTPException(404, "Page not found")
+    if not user or not user.get("id"):
+        raise HTTPException(401, "Authentication required")
+    # v6.0.0: granular page permissions — 404 (not 403) hides restricted pages.
+    if not PermissionManager(user["id"], bool(user.get("is_admin"))).can_view_page(page_id):
+        raise HTTPException(404, "Page not found")
     with get_conn() as conn:
         row = conn.execute("SELECT * FROM pages WHERE id=?", (page_id,)).fetchone()
         if not row:
diff --git a/app/routers/collections.py b/app/routers/collections.py
index 9d3eb2f..4d25c72 100644
--- a/app/routers/collections.py
+++ b/app/routers/collections.py
@@ -43,23 +43,22 @@ def _session_user(request: Request) -> dict | None:
 
 
 def _require_view(collection_id: int, user: dict | None) -> None:
-    """Return None when a user may view the collection, else raise 404.
+    """Raise 404 when the user may not view the collection (404 hides it).
 
-    A missing/userless session keeps the legacy single-user behaviour (owner on
-    un-workspaced collections); explicit ``restricted`` / ``private`` collections
-    are hidden for non-owners unless granted.
+    A6 : plus de session = accès refusé — l'absence de user ne vaut plus
+    « legacy single-user » ( lecture anonyme de n'importe quelle collection ).
     """
     if not user:
-        return
+        raise HTTPException(status_code=404, detail="Collection not found")
     pm = PermissionManager(user["id"])
     if not pm.can_view_collection(collection_id):
         raise HTTPException(status_code=404, detail="Collection not found")
 
 
 def _require_edit(collection_id: int, user: dict | None) -> None:
-    """Raise 403 when the user may not edit pages in the collection."""
+    """Raise 401/403 when the user may not edit pages in the collection."""
     if not user:
-        return
+        raise HTTPException(status_code=401, detail="Authentication required")
     pm = PermissionManager(user["id"])
     if not pm.can_edit_collection(collection_id):
         raise HTTPException(status_code=403, detail="You don't have edit access to this collection")
diff --git a/app/routers/dashboard.py b/app/routers/dashboard.py
index a69b2bf..a9d6f3c 100644
--- a/app/routers/dashboard.py
+++ b/app/routers/dashboard.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 
 import logging
 
-from fastapi import APIRouter, Query, Request
+from fastapi import APIRouter, HTTPException, Query, Request
 from fastapi.responses import HTMLResponse, JSONResponse, RedirectResponse
 
 from app.auth.session import SessionManager
@@ -689,11 +689,20 @@ def _get_user_id(request: Request) -> int:
     return user["id"] if user and user.get("id") else 1
 
 
+def _require_user_id(request: Request) -> int:
+    """A3/A4 — 401 sans session (les routes qui mutent un compte ne tolèrent
+    plus le fallback « legacy single-user » → id 1 = l'admin seedé)."""
+    user = SessionManager.decode_session(request.cookies.get("flowdeck_session", ""))
+    if not user or not user.get("id"):
+        raise HTTPException(401, "Authentication required")
+    return user["id"]
+
+
 @router.put("/api/user/profile")
 async def update_profile(request: Request):
     body = await request.json()
     full_name = body.get("full_name", "").strip()
-    uid = _get_user_id(request)
+    uid = _require_user_id(request)
     with get_conn() as conn:
         conn.execute("UPDATE users SET full_name=? WHERE id=?", (full_name, uid))
         conn.commit()
@@ -702,13 +711,18 @@ async def update_profile(request: Request):
 
 @router.put("/api/user/password")
 async def update_password(request: Request):
-    from app.password_utils import hash_password
+    from app.password_utils import hash_password, verify_password
     body = await request.json()
     password = body.get("password", "").strip()
     if len(password) < 6:
         return {"error": "Password must be at least 6 characters"}
-    uid = _get_user_id(request)
+    uid = _require_user_id(request)
+    # A3 : le mot de passe actuel est exigé (session volée ≠ droit de changer le mdp).
+    current = body.get("current_password", "")
     with get_conn() as conn:
+        row = conn.execute("SELECT password_hash FROM users WHERE id=?", (uid,)).fetchone()
+        if not row or not verify_password(current, row["password_hash"]):
+            raise HTTPException(403, "Current password is incorrect")
         conn.execute("UPDATE users SET password_hash=? WHERE id=?", (hash_password(password), uid))
         conn.commit()
     return {"status": "ok"}
@@ -717,7 +731,7 @@ async def update_password(request: Request):
 @router.post("/api/user/token")
 async def generate_token(request: Request):
     import secrets
-    uid = _get_user_id(request)
+    uid = _require_user_id(request)
     token = secrets.token_hex(32)
     with get_conn() as conn:
         conn.execute(
@@ -730,7 +744,7 @@ async def generate_token(request: Request):
 
 @router.delete("/api/user/forge/{provider}")
 async def disconnect_forge(request: Request, provider: str):
-    uid = _get_user_id(request)
+    uid = _require_user_id(request)
     with get_conn() as conn:
         conn.execute(
             "DELETE FROM user_oauth_tokens WHERE user_id=? AND provider=?", (uid, provider)
diff --git a/app/routers/public_api.py b/app/routers/public_api.py
index e4a61ea..50a21b0 100644
--- a/app/routers/public_api.py
+++ b/app/routers/public_api.py
@@ -56,25 +56,17 @@ def verify_token(authorization: str | None = Header(None)):
 
 @router.post("/token")
 async def generate_token(request: Request):
-    """Generate a public API access token.
-
-    When an authenticated session is present the token is bound to that user
-    (revocable from Settings → API tokens); otherwise a legacy shared token is
-    created for backward compatibility.
-    """
+    """Generate a public API access token (A4 : session obligatoire — plus de
+    « legacy shared token » `user_id=0` créable par un anonymous)."""
     user = SessionManager.decode_session(request.cookies.get("flowdeck_session", ""))
+    if not user or not user.get("id"):
+        raise HTTPException(401, "Authentication required")
     token = f"fd_{token_urlsafe(24)}"
     with get_conn() as conn:
-        if user and user.get("id"):
-            conn.execute(
-                "INSERT INTO api_tokens (user_id, name, token_hash, token_prefix) VALUES (?, ?, ?, ?)",
-                (user["id"], "API token", _hash_token(token), token[:12]),
-            )
-        else:
-            conn.execute(
-                "INSERT OR REPLACE INTO user_tokens (gitea_user_id, gitea_token, updated_at) VALUES (?, ?, CURRENT_TIMESTAMP)",
-                (0, token),
-            )
+        conn.execute(
+            "INSERT INTO api_tokens (user_id, name, token_hash, token_prefix) VALUES (?, ?, ?, ?)",
+            (user["id"], "API token", _hash_token(token), token[:12]),
+        )
         conn.commit()
     return {"token": token, "note": "Use as: Authorization: Bearer <token>"}
 
diff --git a/app/routers/workspace.py b/app/routers/workspace.py
index ee9f198..ba8b951 100644
--- a/app/routers/workspace.py
+++ b/app/routers/workspace.py
@@ -25,6 +25,24 @@ def _current_user(request: Request) -> dict:
     return SessionManager.decode_session(s) or {"login": "admin", "id": 1}
 
 
+def _require_ws_admin(request: Request, ws_id: int) -> None:
+    """A5 — CRUD des membres : session obligatoire + rôle admin de l'espace
+    (ou admin global). Un anonymous ne peut plus s'ajouter lui-même ni se
+    promouvoir admin."""
+    user = SessionManager.decode_session(request.cookies.get("flowdeck_session", ""))
+    if not user or not user.get("id"):
+        raise HTTPException(401, "Authentication required")
+    with get_conn() as conn:
+        if conn.execute("SELECT 1 FROM users WHERE id=? AND is_admin=1", (user["id"],)).fetchone():
+            return
+        row = conn.execute(
+            "SELECT role FROM workspace_members WHERE workspace_id=? AND user_id=?",
+            (ws_id, user["id"]),
+        ).fetchone()
+    if not row or row["role"] != "admin":
+        raise HTTPException(403, "Workspace admin role required")
+
+
 # ── Workspaces ──
 
 @router.get("")
@@ -58,6 +76,8 @@ async def create_workspace(request: Request):
 
 @router.get("/{ws_id}/members")
 async def list_members(request: Request, ws_id: int):
+    if not SessionManager.decode_session(request.cookies.get("flowdeck_session", "")):
+        raise HTTPException(401, "Authentication required")
     with get_conn() as conn:
         rows = conn.execute(
             "SELECT wm.*, u.login, u.full_name, u.avatar_url FROM workspace_members wm JOIN users u ON wm.user_id=u.id WHERE wm.workspace_id=?",
@@ -68,13 +88,14 @@ async def list_members(request: Request, ws_id: int):
 
 @router.post("/{ws_id}/members")
 async def add_member(request: Request, ws_id: int):
+    _require_ws_admin(request, ws_id)
     body = await request.json() if request.headers.get("content-type") else {}
     user_id = body.get("user_id")
     role = body.get("role", "editor")
     if role not in ROLES:
         raise HTTPException(400, f"Invalid role: {role}")
     with get_conn() as conn:
-        conn.execute("INSERT OR IGNORE INTO users (id, login, full_name, is_admin) VALUES (?,?,?,1)",
+        conn.execute("INSERT OR IGNORE INTO users (id, login, full_name, is_admin) VALUES (?,?,?,0)",
                      (user_id, f"user_{user_id}", f"User {user_id}"))
         conn.execute("INSERT INTO workspace_members (workspace_id, user_id, role) VALUES (?,?,?)",
                      (ws_id, user_id, role))
@@ -84,6 +105,7 @@ async def add_member(request: Request, ws_id: int):
 
 @router.put("/{ws_id}/members/{user_id}")
 async def update_member_role(request: Request, ws_id: int, user_id: int):
+    _require_ws_admin(request, ws_id)
     body = await request.json() if request.headers.get("content-type") else {}
     role = body.get("role", "editor")
     if role not in ROLES:
@@ -97,6 +119,7 @@ async def update_member_role(request: Request, ws_id: int, user_id: int):
 
 @router.delete("/{ws_id}/members/{user_id}")
 async def remove_member(request: Request, ws_id: int, user_id: int):
+    _require_ws_admin(request, ws_id)
     with get_conn() as conn:
         conn.execute("DELETE FROM workspace_members WHERE workspace_id=? AND user_id=?", (ws_id, user_id))
         conn.commit()
diff --git a/app/templates/local_workspace.html b/app/templates/local_workspace.html
index 71d2d71..3c8a0a8 100644
--- a/app/templates/local_workspace.html
+++ b/app/templates/local_workspace.html
@@ -1124,7 +1124,8 @@ window._wsInitData = (function() {
       try {
         var r = await fetch('/board/api/pages/' + node.id + '/icon', {
           method: 'POST',
-          headers: {'Content-Type': 'application/json'},
+          headers: {'Content-Type': 'application/json',
+                    'X-CSRF-Token': (document.cookie.match(/csrf_token=([^;]+)/) || [])[1] || ''},
           body: JSON.stringify({icon: icon})
         });
         if (!r.ok) throw new Error('icon update failed');
diff --git a/tests/conftest.py b/tests/conftest.py
index 62abac0..e8bdabf 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -5,13 +5,73 @@ suite is safe to run in parallel (``pytest -n auto``): workers never share a
 database file, and no state leaks between tests.
 """
 import os
+import re
 import tempfile
 from pathlib import Path
 
+import httpx
 import pytest
 from fastapi.testclient import TestClient
 
 
+class _TestSessionAuth(httpx.Auth):
+    """Session + CSRF injectés à la volée (jamais dans le cookie jar du client).
+
+    - `flowdeck_session` ajouté seulement s'il est absent de la requête (un test
+      peut fournir la sienne via `cookies=`) ;
+    - `csrf_token` idem, et l'en-tête `X-CSRF-Token` suit TOUJOURS le cookie
+      courant (le token tourne quand `/api/csrf-token` est appelé) ;
+    - un test qui veut l'anonymat fait `anon(client)` → `client.auth = None`.
+    """
+
+    CSRF_FALLBACK = "csrf-test-token"
+
+    def __init__(self, session_token: str):
+        self.session_token = session_token
+
+    def auth_flow(self, request):
+        ch = request.headers.get("cookie", "")
+        add = []
+        if "flowdeck_session=" not in ch:
+            add.append(f"flowdeck_session={self.session_token}")
+        if "csrf_token=" not in ch:
+            add.append(f"csrf_token={self.CSRF_FALLBACK}")
+        if add:
+            request.headers["cookie"] = "; ".join(([ch] if ch else []) + add)
+        if "X-CSRF-Token" not in request.headers:
+            m = re.search(r"csrf_token=([^;]+)", request.headers.get("cookie", ""))
+            if m:
+                request.headers["X-CSRF-Token"] = m.group(1)
+        yield request
+
+
+def login_test_client(tc, user_id: int = 1, login: str = "tester", is_admin: int = 1):
+    """Connecte un TestClient (A3–A7 : les routes testées exigent une session)."""
+    from app.auth.session import SessionManager
+    from app.db import get_conn
+
+    with get_conn() as conn:
+        conn.execute(
+            "INSERT OR IGNORE INTO users (id, login, full_name, is_admin) VALUES (?,?,?,?)",
+            (user_id, login, login.title(), is_admin),
+        )
+        conn.commit()
+    tc.auth = _TestSessionAuth(
+        SessionManager.create_session(
+            {"id": user_id, "login": login, "full_name": login.title(), "is_admin": is_admin}
+        )
+    )
+    return tc
+
+
+def anon(client):
+    """Test d'anonymat : plus de session, plus de CSRF par défaut."""
+    client.cookies.clear()
+    client.headers.pop("X-CSRF-Token", None)
+    client.auth = None
+    return client
+
+
 @pytest.fixture
 def client():
     """FastAPI TestClient with a fresh temporary SQLite database."""
@@ -55,7 +115,7 @@ def client():
     from app.main import app
     init_db()
 
-    yield TestClient(app)
+    yield login_test_client(TestClient(app))
 
     # Cleanup
     try:
diff --git a/tests/test_agent.py b/tests/test_agent.py
index 9aa218a..1733dd0 100644
--- a/tests/test_agent.py
+++ b/tests/test_agent.py
@@ -10,6 +10,7 @@ import os
 import tempfile
 
 import pytest
+from conftest import login_test_client
 from fastapi.testclient import TestClient
 
 
@@ -45,7 +46,7 @@ def client():
         )
         conn.commit()
 
-    yield TestClient(app)
+    yield login_test_client(TestClient(app))
 
     try:
         os.unlink(db_path)
diff --git a/tests/test_ai_writing.py b/tests/test_ai_writing.py
index b69d8c0..64c5e48 100644
--- a/tests/test_ai_writing.py
+++ b/tests/test_ai_writing.py
@@ -10,6 +10,7 @@ import os
 import tempfile
 
 import pytest
+from conftest import login_test_client
 from fastapi.testclient import TestClient
 
 
@@ -41,7 +42,7 @@ def client():
         )
         conn.commit()
 
-    yield TestClient(app)
+    yield login_test_client(TestClient(app))
 
     try:
         os.unlink(db_path)
diff --git a/tests/test_app.py b/tests/test_app.py
index 9ef8638..1c63821 100644
--- a/tests/test_app.py
+++ b/tests/test_app.py
@@ -4,6 +4,7 @@ import os
 import tempfile
 
 import pytest
+from conftest import anon, login_test_client
 from fastapi.testclient import TestClient
 
 
@@ -40,7 +41,7 @@ def client():
         )
         conn.commit()
 
-    yield TestClient(app)
+    yield login_test_client(TestClient(app))
 
     try:
         os.unlink(db_path)
@@ -88,6 +89,7 @@ def test_board_404(client):
 
 
 def test_csrf_rejected(client):
+    anon(client)
     resp = client.post("/api/move?owner=x&repo=y&issue_id=1&column=Test")
     assert resp.status_code == 403
 
@@ -134,6 +136,7 @@ def test_card_detail_html(client):
 
 
 def test_create_issue_api(client):
+    anon(client)
     resp = client.post("/api/issues/test/test?title=Test%20Issue&body=Test%20body")
     # 403 CSRF or 500 if Gitea down
     assert resp.status_code in (403, 500)
@@ -201,11 +204,13 @@ def test_get_ai_keywords(client):
 
 
 def test_csrf_protects_properties_post(client):
+    anon(client)
     resp = client.post("/board/api/properties/test/test?name=Priority&prop_type=select")
     assert resp.status_code == 403  # CSRF
 
 
 def test_csrf_protects_sync(client):
+    anon(client)
     resp = client.post("/board/api/sync/test/test")
     assert resp.status_code == 403  # CSRF
 
@@ -1354,6 +1359,7 @@ def _create_regular_session():
 
 
 def test_admin_list_users_unauthorized(client):
+    anon(client)
     """GET /api/admin/users — 403 without admin session."""
     resp = client.get("/api/admin/users")
     assert resp.status_code == 403
@@ -1588,6 +1594,7 @@ def test_admin_stats(client):
 
 
 def test_admin_stats_unauthorized(client):
+    anon(client)
     """GET /api/admin/stats — 403 for non-admin."""
     resp = client.get("/api/admin/stats")
     assert resp.status_code == 403
@@ -1663,6 +1670,7 @@ def test_gitea_status_with_expired_token(client):
 
 
 def test_gitea_disconnect_no_auth(client):
+    anon(client)
     """DELETE /api/gitea/disconnect — 401 without session."""
     resp = client.delete("/api/gitea/disconnect")
     assert resp.status_code == 401
@@ -1883,6 +1891,7 @@ def test_auth_user_authenticated(client):
 
 
 def test_auth_user_unauthenticated(client):
+    anon(client)
     """GET /auth/user — returns authenticated=false without session."""
     resp = client.get("/auth/user")
     assert resp.status_code == 200
@@ -1943,6 +1952,7 @@ def test_gitea_private_pages_list_no_auth(client):
 
 
 def test_gitea_private_pages_create_no_auth(client):
+    anon(client)
     """POST private-pages — 401 without session."""
     resp = client.post("/api/gitea/projects/owner/repo/private-pages", json={"title": "Test"})
     assert resp.status_code == 401
@@ -2019,6 +2029,7 @@ def test_page_renders_breadcrumb_data(client):
 
 
 def test_landing_page_no_auth(client):
+    anon(client)
     """Visiting / without auth shows the landing page."""
     resp = client.get("/", follow_redirects=False)
     assert resp.status_code == 200
@@ -2095,6 +2106,7 @@ def test_register_duplicate_rejected(client):
 
 
 def test_session_expired_redirect(client):
+    anon(client)
     """Unauthenticated access to protected page redirects with expired param."""
     resp = client.get("/workspaces", follow_redirects=False)
     assert resp.status_code == 302
@@ -3464,6 +3476,7 @@ def test_v490_page_mentions_endpoint(client):
 
 
 def test_v490_notifications_require_auth(client):
+    anon(client)
     r = client.get("/api/notifications")
     assert r.status_code == 401
 
diff --git a/tests/test_automations.py b/tests/test_automations.py
index de09600..3f33c81 100644
--- a/tests/test_automations.py
+++ b/tests/test_automations.py
@@ -8,6 +8,7 @@ import os
 import tempfile
 
 import pytest
+from conftest import login_test_client
 from fastapi.testclient import TestClient
 
 
@@ -31,7 +32,7 @@ def client():
         conn.commit()
 
     tc = TestClient(app)
-    yield tc
+    yield login_test_client(tc)
 
     os.unlink(db_path)
 
diff --git a/tests/test_block_interactions.py b/tests/test_block_interactions.py
index 62303b6..a9cd201 100644
--- a/tests/test_block_interactions.py
+++ b/tests/test_block_interactions.py
@@ -10,6 +10,7 @@ import os
 import tempfile
 
 import pytest
+from conftest import login_test_client
 from fastapi.testclient import TestClient
 
 
@@ -34,7 +35,7 @@ def client():
         conn.commit()
 
     tc = TestClient(app, raise_server_exceptions=False)
-    yield tc
+    yield login_test_client(tc)
     os.unlink(db_path)
 
 
diff --git a/tests/test_db_advanced.py b/tests/test_db_advanced.py
index 1a44844..3d8a47f 100644
--- a/tests/test_db_advanced.py
+++ b/tests/test_db_advanced.py
@@ -4,6 +4,7 @@ import os
 import tempfile
 
 import pytest
+from conftest import login_test_client
 from fastapi.testclient import TestClient
 
 
@@ -28,7 +29,7 @@ def client():
     from app.main import app
     init_db()
 
-    yield TestClient(app)
+    yield login_test_client(TestClient(app))
 
     os.unlink(db_path)
 
diff --git a/tests/test_realtime.py b/tests/test_realtime.py
index 11c1981..71ce087 100644
--- a/tests/test_realtime.py
+++ b/tests/test_realtime.py
@@ -10,6 +10,7 @@ import os
 import tempfile
 
 import pytest
+from conftest import anon, login_test_client
 from fastapi.testclient import TestClient
 from starlette.websockets import WebSocketDisconnect
 
@@ -38,7 +39,7 @@ def client():
     manager._rooms = {}
 
     tc = TestClient(app, raise_server_exceptions=False)
-    yield tc
+    yield login_test_client(tc)
 
     os.unlink(db_path)
 
@@ -113,6 +114,7 @@ def test_merge_ops_sequential():
 # ── Auth & présence de page ──
 
 def test_ws_requires_auth(client):
+    anon(client)
     _make_page()
     with pytest.raises(WebSocketDisconnect) as exc:
         with client.websocket_connect("/ws/pages/1") as ws:
@@ -121,6 +123,7 @@ def test_ws_requires_auth(client):
 
 
 def test_ws_auth_rejected(client):
+    anon(client)
     _make_page()
     with pytest.raises(WebSocketDisconnect) as exc:
         with client.websocket_connect("/ws/pages/1") as ws:
diff --git a/tests/test_realtime_v64.py b/tests/test_realtime_v64.py
index 11401c1..c306960 100644
--- a/tests/test_realtime_v64.py
+++ b/tests/test_realtime_v64.py
@@ -16,6 +16,7 @@ import os
 import tempfile
 
 import pytest
+from conftest import anon, login_test_client
 from fastapi.testclient import TestClient
 from starlette.websockets import WebSocketDisconnect
 
@@ -49,7 +50,7 @@ def client():
     manager.stat_connections_total = 0
 
     tc = TestClient(app, raise_server_exceptions=False)
-    yield tc
+    yield login_test_client(tc)
 
     os.unlink(db_path)
 
@@ -193,6 +194,7 @@ def test_apply_op_still_lww_without_base():
 # ── protocole WS ─────────────────────────────────────────────────────────
 
 def test_ws_requires_auth(client):
+    anon(client)
     _make_page()
     with pytest.raises(WebSocketDisconnect) as exc:
         with client.websocket_connect("/ws/pages/1") as ws:
@@ -392,6 +394,7 @@ def test_ws_stats_endpoint(client):
 
 
 def test_ws_stats_requires_auth(client):
+    anon(client)
     r = client.get("/api/realtime/stats")
     assert r.status_code == 200
     assert r.json() == {"error": "unauthorized"}
diff --git a/tests/test_search_migrations.py b/tests/test_search_migrations.py
index 5807292..30c87c5 100644
--- a/tests/test_search_migrations.py
+++ b/tests/test_search_migrations.py
@@ -7,6 +7,7 @@ import os
 import tempfile
 
 import pytest
+from conftest import login_test_client
 from fastapi.testclient import TestClient
 
 
@@ -31,7 +32,7 @@ def client():
     from app.main import app
     init_db()
 
-    yield TestClient(app)
+    yield login_test_client(TestClient(app))
 
     os.unlink(db_path)
 
diff --git a/tests/test_service_worker.py b/tests/test_service_worker.py
index 2dae327..7c38b10 100644
--- a/tests/test_service_worker.py
+++ b/tests/test_service_worker.py
@@ -7,6 +7,8 @@ import json
 import re
 from pathlib import Path
 
+from conftest import anon
+
 ROOT = Path(__file__).resolve().parent.parent
 
 
@@ -47,6 +49,7 @@ def test_sw_served_via_static_mount(client):
 
 
 def test_sw_registration_present_on_landing(client):
+    anon(client)
     """Anonymous entry point (/) registers the SW (assets are public)."""
     resp = client.get("/")
     assert resp.status_code in (200, 302)
@@ -67,6 +70,7 @@ def test_sw_registration_with_background_sync_in_base(client):
 
 
 def test_base_has_pwa_meta_tags(client):
+    anon(client)
     resp = client.get("/")
     body = resp.text
     assert 'rel="manifest"' in body
diff --git a/tests/test_sharing.py b/tests/test_sharing.py
index a4f9c2c..b192109 100644
--- a/tests/test_sharing.py
+++ b/tests/test_sharing.py
@@ -8,6 +8,7 @@ import os
 import tempfile
 
 import pytest
+from conftest import anon, login_test_client
 from fastapi.testclient import TestClient
 
 
@@ -41,7 +42,7 @@ def client():
         conn.commit()
 
     tc = TestClient(app, raise_server_exceptions=False)
-    yield tc
+    yield login_test_client(tc)
     os.unlink(db_path)
 
 
@@ -109,6 +110,7 @@ def test_share_invalid_permission_rejected(client):
 
 
 def test_share_requires_auth(client):
+    anon(client)
     pid = _make_page(client)
     r = client.post(f"/api/pages/{pid}/share", json={"email": "x@test.dev", "permission": "view"})
     assert r.status_code == 401
diff --git a/tests/test_sync.py b/tests/test_sync.py
index 7bc8bf4..31d60a9 100644
--- a/tests/test_sync.py
+++ b/tests/test_sync.py
@@ -1,6 +1,8 @@
 """FlowDeck — v6.0.0 PWA offline sync: engine + /api/v2/sync endpoints."""
 import time
 
+from conftest import anon
+
 # ── helpers ────────────────────────────────────────────────────────────────
 
 
@@ -58,6 +60,7 @@ def _page_updated_epoch(pid) -> float:
 
 
 def test_sync_requires_auth(client):
+    anon(client)
     assert client.get("/api/v2/sync/status").status_code == 401
     assert client.post("/api/v2/sync/batch", json={"mutations": []}).status_code == 401
     assert client.get("/api/v2/sync/delta").status_code == 401
diff --git a/tests/test_v511_v512_wiki_templates.py b/tests/test_v511_v512_wiki_templates.py
index 1a1ebfc..da87fed 100644
--- a/tests/test_v511_v512_wiki_templates.py
+++ b/tests/test_v511_v512_wiki_templates.py
@@ -13,6 +13,7 @@ import secrets
 import tempfile
 
 import pytest
+from conftest import login_test_client
 from fastapi.testclient import TestClient
 
 
@@ -36,7 +37,7 @@ def client():
     from app.main import app
     init_db()
 
-    yield TestClient(app)
+    yield login_test_client(TestClient(app))
 
     try:
         os.unlink(db_path)
@@ -58,7 +59,11 @@ def _login(client):
         uid = conn.execute("SELECT id FROM users WHERE login=?", (login,)).fetchone()["id"]
         conn.commit()
     session = SessionManager.create_session({"id": uid, "login": login, "is_admin": 0})
-    csrf = client.get("/api/csrf-token", cookies={"flowdeck_session": session}).json()["csrf_token"]
+    # Réutilise le CSRF du jar : /api/csrf-token fait tourner le token à chaque
+    # appel, un token rendu par un login précédent deviendrait invalide (403).
+    csrf = client.cookies.get("csrf_token")
+    if not csrf:
+        csrf = client.get("/api/csrf-token", cookies={"flowdeck_session": session}).json()["csrf_token"]
     return session, csrf, uid
 
 
@@ -76,13 +81,17 @@ def _login_admin(client):
         uid = conn.execute("SELECT id FROM users WHERE login=?", (login,)).fetchone()["id"]
         conn.commit()
     session = SessionManager.create_session({"id": uid, "login": login, "is_admin": 1})
-    csrf = client.get("/api/csrf-token", cookies={"flowdeck_session": session}).json()["csrf_token"]
+    # Réutilise le CSRF du jar : /api/csrf-token fait tourner le token à chaque
+    # appel, un token rendu par un login précédent deviendrait invalide (403).
+    csrf = client.cookies.get("csrf_token")
+    if not csrf:
+        csrf = client.get("/api/csrf-token", cookies={"flowdeck_session": session}).json()["csrf_token"]
     return session, csrf, uid
 
 
 def _mk_page(client, session, title, blocks=None):
     r = client.post("/board/api/pages", params={"title": title, "section": "Private"},
-                    cookies={"flowdeck_session": session}, headers={"X-CSRF-Token": "x"})
+                    cookies={"flowdeck_session": session})
     assert r.status_code == 200
     pid = r.json()["id"]
     if blocks is not None:
diff --git a/tests/test_v52_infra.py b/tests/test_v52_infra.py
index c4fecff..4d745ee 100644
--- a/tests/test_v52_infra.py
+++ b/tests/test_v52_infra.py
@@ -8,6 +8,7 @@ import asyncio
 import os
 
 import pytest
+from conftest import anon
 from fastapi import HTTPException
 from fastapi.testclient import TestClient
 
@@ -66,6 +67,7 @@ def test_api_token_lifecycle(client):
 
 
 def test_api_tokens_require_authentication(client):
+    anon(client)
     r1 = client.get("/api/settings/tokens")
     assert r1.status_code == 401
     r2 = client.post("/api/settings/tokens", json={"name": "x"})
@@ -88,7 +90,11 @@ def test_sessions_listed_and_revocable(client):
 
     from app.db import get_conn
     with get_conn() as conn:
-        count = conn.execute("SELECT COUNT(*) FROM user_sessions").fetchone()[0]
+        count = conn.execute(
+            "SELECT COUNT(*) FROM user_sessions WHERE user_id IN "
+            "(SELECT id FROM users WHERE login IN (?, ?))",
+            ("alice@test.dev", "bob@test.dev"),
+        ).fetchone()[0]
     assert count == 2
 
     # Revoke alice's session using alice's cookie (the test client now has bob's cookie).
@@ -192,6 +198,7 @@ def test_backup_disabled_returns_none(client):
 
 
 def test_backup_admin_api(client):
+    anon(client)
     """The backup admin API is admin-only and snapshots on demand."""
     # Unauthenticated → forbidden.
     assert client.post("/api/settings/backups/run").status_code == 403
diff --git a/tests/test_v56_import.py b/tests/test_v56_import.py
index b5a23d6..1624a39 100644
--- a/tests/test_v56_import.py
+++ b/tests/test_v56_import.py
@@ -14,6 +14,8 @@ import secrets
 import time
 import zipfile
 
+from conftest import anon
+
 from app.db import get_conn
 
 
@@ -382,6 +384,7 @@ class TestMappingAndWizard:
         assert props["Code"] == "007"
 
     def test_wizard_page_requires_auth(self, client):
+        anon(client)
         r = client.get("/import", follow_redirects=False)
         assert r.status_code in (302, 307)
 
diff --git a/tests/test_v57_db_advanced.py b/tests/test_v57_db_advanced.py
index 123270d..6e1d072 100644
--- a/tests/test_v57_db_advanced.py
+++ b/tests/test_v57_db_advanced.py
@@ -12,6 +12,7 @@ import secrets
 import tempfile
 
 import pytest
+from conftest import login_test_client
 from fastapi.testclient import TestClient
 
 
@@ -35,7 +36,7 @@ def client():
     from app.main import app
     init_db()
 
-    yield TestClient(app)
+    yield login_test_client(TestClient(app))
 
     os.unlink(db_path)
 
@@ -142,8 +143,8 @@ def test_auto_properties_filled_on_create_and_update(client):
     pv = json.loads(client.get(f"/db/pages/{page_id}/api").json()["property_values_json"])
     assert pv[str(ct)]
     assert pv[str(lt)]
-    assert pv[str(cb)]["login"] == "admin"
-    assert pv[str(lb)]["login"] == "admin"
+    assert pv[str(cb)]["login"] == "tester"
+    assert pv[str(lb)]["login"] == "tester"
 
     created = pv[str(ct)]
     # Partial update keeps created_time and refreshes last_edited_time.
diff --git a/tests/test_v58_calendar_reminders.py b/tests/test_v58_calendar_reminders.py
index 1c59439..aedc4a2 100644
--- a/tests/test_v58_calendar_reminders.py
+++ b/tests/test_v58_calendar_reminders.py
@@ -14,6 +14,7 @@ import secrets
 import tempfile
 
 import pytest
+from conftest import anon, login_test_client
 from fastapi.testclient import TestClient
 
 
@@ -37,7 +38,7 @@ def client():
     from app.main import app
     init_db()
 
-    yield TestClient(app)
+    yield login_test_client(TestClient(app))
 
     try:
         os.unlink(db_path)
@@ -265,6 +266,7 @@ def test_user_timezone_endpoints(client):
 
 
 def test_notifications_unauth(client):
+    anon(client)
     assert client.get("/api/notifications/timezone").status_code == 401
 
 
diff --git a/tests/test_v60_granular_permissions.py b/tests/test_v60_granular_permissions.py
index 05af4f6..82e3ffa 100644
--- a/tests/test_v60_granular_permissions.py
+++ b/tests/test_v60_granular_permissions.py
@@ -5,6 +5,8 @@ restricted, private), explicit grants (user + group), inheritance, property
 visibility, user groups and the audit log.
 """
 
+from conftest import anon
+
 from app.auth.session import SessionManager
 
 # ═══════════════ helpers ═══════════════
@@ -516,6 +518,7 @@ def test_audit_log_records_changes(client):
 
 
 def test_permissions_endpoints_require_auth(client):
+    anon(client)
     assert client.get("/api/v2/pages/1/permissions").status_code == 401
     assert client.post("/api/v2/pages/1/permissions", json={"user_id": 2, "role": "viewer"}).status_code == 401
     assert client.get("/api/v2/groups").status_code == 401
diff --git a/tests/test_v66_agent_api.py b/tests/test_v66_agent_api.py
index af6a97c..f7f11d8 100644
--- a/tests/test_v66_agent_api.py
+++ b/tests/test_v66_agent_api.py
@@ -11,6 +11,7 @@ import os
 import tempfile
 
 import pytest
+from conftest import login_test_client
 
 from app.services import skill_gallery
 from app.services.webhook_outbound import EVENTS
@@ -50,7 +51,7 @@ def client():
         conn.commit()
 
     from fastapi.testclient import TestClient
-    yield TestClient(app)
+    yield login_test_client(TestClient(app))
 
     try:
         os.unlink(db_path)
diff --git a/tests/test_v67_sso.py b/tests/test_v67_sso.py
index 4c00ac5..af897f5 100644
--- a/tests/test_v67_sso.py
+++ b/tests/test_v67_sso.py
@@ -17,6 +17,7 @@ import secrets as pysecrets
 from urllib.parse import parse_qs, urlparse
 
 import pytest
+from conftest import anon
 
 # ── Mock IdP constants ─────────────────────────────────────────────────────
 IDP_ENTITY = "https://idp.corp.test/saml/metadata"
@@ -289,6 +290,7 @@ def test_providers_endpoint_empty_without_config(client):
 
 
 def test_config_requires_admin(client):
+    anon(client)
     assert client.get("/api/v2/sso/config").status_code == 401
     _admin_session(client)
     # demote to plain user → 403
@@ -1284,7 +1286,7 @@ def test_history_endpoint_requires_admin_and_lists_attempts(client, idp_keypair)
     assert failures[0]["error_message"]
 
     # anonymous → 401
-    client.cookies.delete("flowdeck_session")
+    anon(client)
     assert client.get("/api/v2/sso/history").status_code == 401
 
 
diff --git a/tests/test_v68_sites_forms.py b/tests/test_v68_sites_forms.py
index a374966..7492a79 100644
--- a/tests/test_v68_sites_forms.py
+++ b/tests/test_v68_sites_forms.py
@@ -9,6 +9,8 @@ from __future__ import annotations
 import json
 import secrets
 
+from conftest import anon
+
 from app.db import get_conn
 
 
@@ -126,6 +128,7 @@ def test_site_slug_validation_and_conflict(client):
 
 
 def test_site_requires_auth(client):
+    anon(client)
     pid = _make_page("Root")
     r = client.post("/api/v2/sites", json={"root_page_id": pid})
     assert r.status_code == 401
diff --git a/tests/test_v69_search_ask.py b/tests/test_v69_search_ask.py
index b7a0e85..db7d769 100644
--- a/tests/test_v69_search_ask.py
+++ b/tests/test_v69_search_ask.py
@@ -12,6 +12,8 @@ import math
 import secrets
 import struct
 
+from conftest import anon
+
 from app.db import get_conn
 from app.services import semantic_search as sem
 
@@ -188,6 +190,7 @@ def test_hybrid_finds_by_keyword(client):
 
 
 def test_hybrid_requires_auth(client):
+    anon(client)
     r = client.get("/api/v2/search/hybrid?q=test")
     assert r.status_code == 401
 
@@ -265,6 +268,7 @@ def test_ask_offline_with_citations(client):
 
 
 def test_ask_requires_auth(client):
+    anon(client)
     r = client.post("/api/v2/search/ask", json={"question": "hi"})
     assert r.status_code == 401
 
diff --git a/tests/test_v70_automations_workers.py b/tests/test_v70_automations_workers.py
index ad8b423..ab1aaf1 100644
--- a/tests/test_v70_automations_workers.py
+++ b/tests/test_v70_automations_workers.py
@@ -10,6 +10,7 @@ from __future__ import annotations
 import secrets
 
 import pytest
+from conftest import anon
 
 from app.db import get_conn
 from app.services import automations as auto_svc
@@ -113,6 +114,7 @@ def test_steps_crud_and_order(client):
 
 
 def test_steps_validation_and_auth(client):
+    anon(client)
     session, _ = _login(client)
     aid = _mkauto(client, session)
     r = client.post(f"/workspace/automations/{aid}/steps",
@@ -423,6 +425,7 @@ def _mkworker(client, session, **kw):
 
 
 def test_workers_crud_and_auth(client):
+    anon(client)
     session, _ = _login(client)
     w = _mkworker(client, session, name="Hello")
     assert w["slug"].startswith("hello") or w["slug"]
diff --git a/tests/test_v71_calendar_meetings.py b/tests/test_v71_calendar_meetings.py
index 5de94d6..3bac792 100644
--- a/tests/test_v71_calendar_meetings.py
+++ b/tests/test_v71_calendar_meetings.py
@@ -11,6 +11,7 @@ import json
 import secrets
 
 import pytest
+from conftest import anon
 
 from app.db import get_conn
 from app.services import calendar_sync as cal
@@ -117,6 +118,7 @@ def test_link_crud_and_encryption(client):
 
 
 def test_link_validation_and_auth(client):
+    anon(client)
     session, _ = _login(client)
     cid = _mkcollection(client)
     r = client.post("/api/v2/calendar-links",
@@ -279,6 +281,7 @@ def test_freebusy_basic(client):
 
 
 def test_freebusy_validation(client):
+    anon(client)
     session, _ = _login(client)
     cid = _mkcollection(client)
     r = client.get(f"/db/{cid}/calendar/freebusy?from=2026-10-07&to=2026-10-01",
diff --git a/tests/test_v72_enterprise.py b/tests/test_v72_enterprise.py
index 7b8f44f..ea441c8 100644
--- a/tests/test_v72_enterprise.py
+++ b/tests/test_v72_enterprise.py
@@ -10,6 +10,8 @@ from __future__ import annotations
 import json
 import secrets
 
+from conftest import anon
+
 from app.db import get_conn
 
 # ── helpers ────────────────────────────────────────────────────────────────
@@ -289,6 +291,7 @@ def test_2fa_disable(client):
 
 
 def test_2fa_routes_require_session(client):
+    anon(client)
     assert client.get("/auth/2fa/status").status_code == 401
     assert client.post("/auth/2fa/setup").status_code == 401
 
@@ -362,6 +365,7 @@ def test_webauthn_register_begin(client):
 
 
 def test_webauthn_register_begin_requires_session(client):
+    anon(client)
     assert client.post("/auth/webauthn/register/begin").status_code == 401
 
 
@@ -411,6 +415,7 @@ def test_webauthn_keys_empty_and_delete_404(client):
 # ── unified audit log ──────────────────────────────────────────────────────
 
 def test_audit_requires_admin(client):
+    anon(client)
     uid, login = _make_user()
     c = {"flowdeck_session": _session(uid, login)}
     assert client.get("/api/v2/audit/logs", cookies=c).status_code == 403
@@ -608,5 +613,6 @@ def test_approval_rejection(client):
 
 
 def test_governance_routes_require_auth(client):
+    anon(client)
     assert client.get("/api/v2/agent-policies").status_code == 401
     assert client.get("/api/v2/agent-approvals").status_code == 401
diff --git a/tests/test_v73_wiki_polish.py b/tests/test_v73_wiki_polish.py
index d4a7088..9b65c94 100644
--- a/tests/test_v73_wiki_polish.py
+++ b/tests/test_v73_wiki_polish.py
@@ -10,6 +10,8 @@ from __future__ import annotations
 import datetime
 import secrets
 
+from conftest import anon
+
 from app.db import get_conn
 
 # ── helpers ────────────────────────────────────────────────────────────────
@@ -133,6 +135,7 @@ def test_teamspace_requires_name(client):
 
 
 def test_teamspace_requires_auth(client):
+    anon(client)
     assert client.get("/api/v2/wiki/teamspaces?workspace_id=1").status_code == 401
     assert client.post("/api/v2/wiki/teamspaces", json={}).status_code == 401
 
@@ -548,6 +551,7 @@ def test_guest_share_bad_role(client):
 
 
 def test_guest_share_requires_session(client):
+    anon(client)
     assert client.post("/api/v2/wiki/pages/1/guests", json={}).status_code == 401
 
 
@@ -749,6 +753,7 @@ def test_blocks_preview_endpoint(client):
 
 
 def test_blocks_preview_validation(client):
+    anon(client)
     _, _, c = _user()
     assert client.post("/api/v2/wiki/blocks/preview", cookies=c, json={}).status_code == 400
     assert client.post("/api/v2/wiki/blocks/preview", cookies=c,
diff --git a/tests/test_web_clipper.py b/tests/test_web_clipper.py
index d16c636..727d862 100644
--- a/tests/test_web_clipper.py
+++ b/tests/test_web_clipper.py
@@ -3,6 +3,8 @@ from __future__ import annotations
 
 import json
 
+from conftest import anon
+
 from app.auth.session import SessionManager
 
 
@@ -81,6 +83,7 @@ def test_extract_article(client):
 # ── API tests ──
 
 def test_clip_requires_auth(client):
+    anon(client)
     r = client.post("/api/v2/web-clipper/clip", json={"url": "https://example.com", "title": "T"})
     assert r.status_code == 401
 
@@ -225,7 +228,7 @@ def test_clip_bearer_token_auth(client):
         conn.execute("INSERT INTO api_tokens (user_id, name, token_hash, token_prefix) VALUES (?,?,?,?)", (uid, "test", th, token[:12]))
         conn.commit()
     # No session cookie
-    client.cookies.clear()
+    anon(client)
     r = client.post(
         "/api/v2/web-clipper/clip",
         json={"url": "https://example.com/bearer", "title": "BearerClip", "content": "<p>via bearer</p>", "device_id": "bearer-dev"},
@@ -241,7 +244,7 @@ def test_status_and_devices_flow(client):
     uid = _insert_user("clip_status")
     _insert_workspace(uid)
     # unauth status
-    client.cookies.clear()
+    anon(client)
     r = client.get("/api/v2/web-clipper/status")
     assert r.status_code == 200
     assert r.json()["authenticated"] is False