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+---
+slug: google-oauth-migration
+intent: clear
+review_required: false
+classification: architecture
+status: drafting
+pending-action: write .omo/plans/google-oauth-migration.md
+approach: <pending research + interview>
+---
+
+# Draft: google-oauth-migration
+
+## Components (topology ledger)
+<!-- Lock the SHAPE before depth. One row per top-level component that can succeed or fail independently. -->
+<!-- id | outcome (one line) | status: active|deferred | evidence path -->
+| id | outcome | status | evidence path |
+|----|---------|--------|---------------|
+| C1 | Google OAuth client (lib + registration + settings) wired into the app factory | active | `ctp_blogr/__init__.py:9-27` |
+| C2 | Login/logout views replaced by authorize-redirect + callback | active | `ctp_blogr/views/default.py:37-76` |
+| C3 | User identity model migrated from password hash to Google `sub` | active | `ctp_blogr/models/user.py:14-34`, `ctp_blogr.sqlite` `users` table |
+| C4 | ACL/groupfinder admin mapping survives the identity change | active | `ctp_blogr/services/user.py:22-32`, `ctp_blogr/security.py:7-14` |
+| C5 | Login UI + password forms retired | active | `ctp_blogr/templates/login.jinja2`, `ctp_blogr/forms.py:28-33` |
+| C6 | Test strategy for auth without network calls to Google | active | `ctp_blogr/tests.py` |
+
+## External findings - Google policy (developers.google.com, read 2026-10-05)
+- **DECISIVE FINDING: Google's consent-screen test-user allowlist does NOT restrict access
+  for this app.** Google's own production-readiness table states, for Publishing Status
+  `Testing` / External: "Only users explicitly added to the test user allowlist can access the
+  app (limited to a hard cap of 100 test users). **Exception: If the app only requests basic
+  identity scopes (`openid`, `email`, `profile`), any user can access without being on the
+  allowlist.**" -> With exactly the scopes this blog needs, the allowlist is bypassed. The
+  restriction MUST be enforced in application code. This is now a verified fact, not a
+  precaution, and it is the reason the access-control question is unavoidable.
+  (Corroborated by a StackOverflow report of non-test-users successfully completing the flow.)
+- `scope`: "The list must include the `openid` value and then include the `profile` value, the
+  `email` value, or both." Google states a basic request should be `openid email`. So
+  `profile` is only needed for display name / picture -> **use `openid email` only**; requesting
+  `profile` adds PII for no functional gain in this app.
+- `nonce` is listed as **(Required)** in Google's OIDC authentication-request parameters:
+  "A random value generated by your app that enables replay protection." The plan MUST generate
+  a nonce on the authorize step and validate it against the `id_token` claim on callback.
+- `response_type=code` for web server applications; the implicit flow (`token`, `id_token`,
+  `token id_token`) is described as "strongly discouraged" and "forbidden in OAuth 2.1".
+  OAuth 2.1 guidance: "PKCE ... Must be used to secure the authorization code flow."
+- PKCE for a confidential web-server client: not documented as mandatory by Google for this
+  flow, but recommended by the wider ecosystem ("confidential clients use PKCE in addition to
+  their client secret"). `code_challenge_methods_supported` is exposed via discovery.
+  -> Plan SHOULD use PKCE; it is cheap and is the OAuth 2.1 direction.
+- `redirect_uri` "must exactly match one of the authorized redirect URIs for the OAuth 2.0
+  client, which you configured in your client's Cloud Console Clients page."
+- `client_secret` is still expected for a confidential server-side client.
+- Refresh tokens: for an app requesting only `openid`/`email`/`profile`, the 7-day Testing-mode
+  refresh-token expiry does NOT apply. This app needs no refresh token at all for sign-in.
+- `hd` is a supported authorization parameter (appears in Google's own example:
+  `...&authuser=0&hd=example.com&prompt=consent`) -> the mechanism for a Google Workspace
+  domain restriction, if that is the chosen access model.
+- `email` is only present "if you included the email scope"; `email_verified` accompanies it.
+
+## Library facts (PyPI API, queried 2026-10-05)
+| package | version | requires-python | license | latest release |
+|---|---|---|---|---|
+| authlib | 1.8.0 | >=3.10 | BSD-3-Clause | 2026-08-30 |
+| google-auth | 2.59.1 | >=3.10 | Apache 2.0 | 2026-09-30 |
+| google-auth-oauthlib | 1.5.0 | >=3.10 | Apache 2.0 | 2026-09-29 |
+| oauthlib | 4.0.0 | >=3.9 | BSD-3-Clause | 2026-09-28 |
+| pyjwt | 2.15.1 | >=3.9 | - | 2026-09-28 |
+| requests-oauthlib | 2.0.0 | >=3.4 | ISC | 2024-03-22 |
+| pyramid_oauthlib | 1.0.0 | >=3.7 | - | 2022-09-17 |
+| pyramid-google-auth | HTTP 404 | - | - | NOT ON PyPI |
+- Every serious candidate requires Python >=3.9/3.10, so all are compatible with this repo's 3.14.
+- `pyramid-google-auth` is **no longer on PyPI at all** -> definitively ruled out.
+- `pyramid_oauthlib` last released 2022-09-17 (4 years stale) -> treat as unmaintained.
+- `requests-oauthlib` last released 2024-03-22 (2+ years) -> aging.
+- `authlib`, `google-auth*`, `oauthlib`, `pyjwt` were all released within the last ~6 weeks of
+  2026-09-28/30 -> all actively maintained.
+- Authlib additionally pulls in `joserfc` for JWT handling.
+
+## Open assumptions (announced defaults)
+<!-- Record any default you adopt instead of asking, so the user can veto it at the gate. -->
+<!-- assumption | adopted default | rationale | reversible? -->
+| assumption | adopted default | rationale | reversible? |
+|---|---|---|---|
+| Session store for `state` + PKCE verifier + nonce | keep the existing `SignedCookieSessionFactory`; no `pyramid_beaker` | the three values total well under 200 bytes against a ~4KB cookie budget, and the cookie is already the app's flash-message store; adding a server-side session backend is a second dependency in an already-shared venv. Note the cookie is signed but NOT encrypted, so these values are readable by the client - acceptable for a nonce/state/verifier, which are single-use and short-lived | yes |
+| Password login | removed entirely, no fallback | the request says "remplacer"; a dual path doubles the auth surface and contradicts the goal | yes |
+| `profile` scope | not requested | this app shows no display name or avatar; `openid email` is the documented minimum | yes |
+| Refresh token / `access_type=offline` | not requested | sign-in only; no Google API calls are ever made | yes |
+| Explicit `logout` revocation | local session logout only | see question; the app holds no Google-side token to revoke | yes |
+| Tidy known bug in touched code | leave the `views/default.py:142` `delete(...)` `NameError` alone unless it sits on a line the migration must edit anyway (bugfix rule: no refactor while migrating) | avoids scope creep | yes |
+
+## Findings (cited - path:lines)
+- Auth is `AuthTktAuthenticationPolicy(hashalg='sha512', timeout=36000)` with `groupfinder`
+  callback, secrets hardcoded in the app factory - `ctp_blogr/__init__.py:13-21`.
+- Session is `SignedCookieSessionFactory('hZug2zPt7hT2MZ')` (signed, NOT encrypted, ~4KB) -
+  `ctp_blogr/__init__.py:13`.
+- ACL is 3 lines: `view` -> `Authenticated`, `manage` -> `group:administrators`, `DENY_ALL` -
+  `ctp_blogr/security.py:9-12`.
+- Admin is NOT a DB flag: `groupfinder` hardcodes `userid == 'admin'` -
+  `ctp_blogr/services/user.py:26-27`. With OAuth the userid becomes a Google subject/email, so
+  this mapping MUST change or nobody keeps `manage`.
+- Passwords are passlib `custom_app_context` hashes; `verify_password` auto-upgrades cleartext -
+  `ctp_blogr/models/user.py:21-30`. `password` is `nullable=False` (`users.password`) - dropping
+  the column in SQLite requires a table rebuild, not `ALTER TABLE DROP COLUMN` on old versions.
+- `UserCreateForm` has `password` + `confirm` and enforces a 6-char minimum in the view -
+  `ctp_blogr/forms.py:28-33`, `ctp_blogr/views/default.py:116-118`.
+- Non-admin users are pointed at `/user_edit` as "Modifier le mot de passe" -
+  `ctp_blogr/templates/layout.jinja2:43-49`. That whole self-service flow dies with OAuth.
+- `UserService.delete` exists; `views/default.py:142` calls an undefined bare `delete(...)`
+  (known NameError, already recorded in AGENTS.md).
+- Committed dev DB: `ctp_blogr.sqlite`, users `admin` (id 1) and `phuoc` (id 2), 99 entries.
+  No `alembic.ini` / `migrations/` in repo though `alembic_version` row exists
+  (rev `b8f8216d72c7`) -> schema changes are hand-written `ALTER TABLE` (AGENTS.md "Database").
+- `pyramid_tm` with `tm.manager_hook = 'pyramid_tm.explicit_manager'` commits at the end of a
+  successful request - `ctp_blogr/models/__init__.py:61-64`. A user row created inside the OAuth
+  callback GET is committed by that implicit commit; there is no explicit `commit()` anywhere.
+- `pyramid_retry` with `retry.attempts = 3` is included - `ctp_blogr/models/__init__.py:67`,
+  `development.ini:19`. Retrying the OAuth callback is a hazard to pin down.
+- No linter/type-checker/CI/pre-commit exists. Only `python -m pytest` (2 tests, both trivial).
+- `coverage` is broken (`.coveragerc` `source = pyramid_blogr`).
+- **`request.authenticated_userid` is load-bearing in 11 places across 6 files**, and it is
+  more than a boolean:
+  - 4 comparisons against the literal `'admin'` -> `services/user.py:26`,
+    `views/default.py:93`, `templates/layout.jinja2:43`, `templates/user_edit.jinja2:45`.
+    With OAuth the userid stops being `'admin'`, so ALL FOUR break at once.
+  - it is WRITTEN TO THE DATABASE: `views/blog.py:64` (`entry.creator`),
+    `views/blog.py:75` (`entry.editor`), both `Unicode(50)` columns. 99 existing rows already
+    hold `'admin'` / `'phuoc'`, so post-migration the byline has mixed provenance.
+  - it is USED AS A URL SEGMENT: `templates/layout.jinja2:46`
+    `request.route_url('user_edit', name=request.authenticated_userid)`. An email-based
+    identity contains `@` and `.` and must survive Pyramid's route_url encoding.
+  - it is the ANONIMITY GATE: `services/blog_record.py:16,30,39` test
+    `request.authenticated_userid == None` to decide the published-only filter. If the new
+    session identity is ever not populated, this fails OPEN (site looks merely "empty"),
+    and no existing test would catch it.
+- **Open-access regression risk (highest severity finding).** Today only the two
+  pre-provisioned rows can log in. After OAuth, ANY Google account holder can authenticate.
+  `templates/blog.jinja2:7` renders "[ Modifier ]" for ANY authenticated user, and
+  `routes.py:13` `user_edit` / `views/default.py:79` `users` are the only guarded pages.
+  So without an explicit allowlist or Workspace-domain restriction, the migration would
+  expose post editing to the public internet. This must be an explicit owner-decision.
+- `templates/login.jinja2:8-20` posts `username`, `password`, `came_from` with
+  `name="form.submitted"`; the whole form is replaced by a redirect-to-Google button.
+- `templates/user_edit.jinja2:26-38` renders the password/confirm block; the whole
+  non-admin self-service path ("Modifier le mot de passe") dies with OAuth.
+- `templates/users.jinja2:7,23` wires admin user creation through
+  `request.route_url('user_edit', name='0')` and `name=entry.name`; under OAuth accounts are
+  provisioned at first login, so "Nouvel utilisateur" has no meaning.
+- `templates/users.jinja2:27` calls `entry.last_logged.strftime(...)` with no NULL guard; the
+  model default is a Python-side `default=`, so any row inserted by raw SQL (i.e. by the
+  migration) and not through the ORM can render as a 500.
+- **No OAuth-capable library is installed in the shared venv** - no `authlib`,
+  `google-auth`, `oauthlib`, `pyjwt`, `jose`, or `pyramid_beaker`. The plan necessarily adds a
+  `pip install` into a venv that is shared with a second project (AGENTS.md "Environment").
+- `ctp_blogr/views/__init__.py` and `ctp_blogr/services/__init__.py` are both empty (0 bytes).
+
+## External findings - Authlib API (from official Authlib docs, read 2026-10-05)
+- **OpenID Connect discovery is supported and is the clean registration path.** Authlib can
+  take `server_metadata_url` and derive `authorize_url`, `access_token_url` and `jwks_uri`
+  automatically:
+  ```python
+  oauth.register('google', client_id=..., client_secret=...,
+      server_metadata_url='https://accounts.google.com/.well-known/openid-configuration',
+      client_kwargs={'scope': 'openid email profile'})
+  ```
+  Without a discovery endpoint the developer MUST supply `authorize_url`, `access_token_url`
+  and `jwks_uri` by hand. -> use discovery.
+- **CRITICAL RISK: Authlib's high-level API is Flask/Django-only; Pyramid is NOT integrated.**
+  `authorize_redirect(request, redirect_uri=None, **kwargs)` and the whole state mechanism
+  live in `authlib/integrations/base_client/framework_integration.py` and
+  `authlib/integrations/django_client/apps.py`. `set_state_data` /
+  `clear_state_data` / `save_authorize_data` store state under a `_state_{name}_{state}` key
+  in a `session` object with an `exp` field. There is no Pyramid framework integration, so
+  **state generation, storage, and validation are the application's own responsibility.**
+  The framework-agnostic Authlib entry point is the lower-level `requests_client.OAuth2Session`.
+  => the plan must hand-write the state plumbing that Flask/Django users get for free, and
+  this is the single strongest argument for the hand-rolled `requests` + `pyjwt` option.
+- `authorize_redirect` internally does `create_authorization_url(...)` then
+  `save_authorize_data(request, redirect_uri=redirect_uri, **rv)`; the returned `rv` is where
+  `url`, `state` and the PKCE `code_verifier` live. Without a framework integration the app
+  must persist those values itself (this app's signed-cookie session is the only store).
+- PKCE: RFC 7636 `code_challenge` is enabled by registering `code_challenge_method` in
+  `client_kwargs`.
+- Token response: `token = oauth.google.authorize_access_token()`; Authlib parses the
+  `id_token` and exposes claims as `token['userinfo']` so the userinfo endpoint need not be
+  called. Docs say framework integrations do this automatically "if configurations are
+  correct" - the Pyramid path must be verified against the `requests_client` API before the
+  plan relies on `token['userinfo']`, with a documented fallback to decoding the `id_token`.
+- Raw ID-token validation (independent of the above) is
+  `authlib.oidc.core.CodeIDToken` + `joserfc.jwt.decode(id_token, keys)` where keys are fetched
+  from `https://www.googleapis.com/oauth2/v3/certs`, then `claims.validate()`.
+  -> Authlib pulls in `joserfc` for JWT; relevant to the dependency-weight trade-off.
+- `authorize_access_token()` is shown taking no argument in the Flask example because
+  `redirect_uri` was persisted in the state data. In Pyramid the app must pass `redirect_uri`
+  explicitly and it must byte-match the value sent to the authorize step.
+- **Authlib Loginpass (pre-configured social providers incl. Google) is Flask and Django
+  only** - it is not usable from Pyramid. Rules out the "use the batteries-included Google
+  connector" option.
+
+## Decisions (with rationale)
+- Plan only; no product-code edits in this session (planner role).
+- **Library: Authlib 1.8.0** (owner decision, 2026-10-05). Active (2026-08-30), Python >=3.10,
+  BSD-3. Use OIDC discovery (`server_metadata_url=
+  https://accounts.google.com/.well-known/openid-configuration`) so `authorize_url`,
+  `access_token_url` and `jwks_uri` are not hand-written. `pyramid-google-auth` is not on PyPI
+  and `pyramid_oauthlib` is 4 years stale, so both are ruled out.
+- **Access control: database allowlist** (owner decision). The Google consent-screen test-user
+  allowlist provably does not apply to `openid email`, so the app must check, on callback, that
+  the authenticated email matches a pre-provisioned `users` row. This preserves today's
+  semantics exactly (only pre-provisioned accounts can sign in) and keeps `/users` as the
+  admin surface for granting and revoking access.
+- **Existing accounts: one-shot email binding** (owner decision). `admin` (id 1) and `phuoc`
+  (id 2) are bound to their real Google addresses by a one-shot `UPDATE` in
+  `ctp_blogr.sqlite`. No first-login claim window is opened, so there is no period in which the
+  public can self-register.
+- **VERIFIED LOCALLY: Pyramid already ships the auth policy we need, no new dependency.**
+  `pyramid.authentication.SessionAuthenticationPolicy(prefix='auth.', callback=...)` and
+  `SessionAuthenticationHelper` exist in Pyramid 2.1 and expose exactly the same three methods
+  as the current `AuthTktCookieHelper`: `remember`, `forget`, `authenticated_userid`. Therefore
+  - `AuthTktAuthenticationPolicy(callback=groupfinder)` -> `SessionAuthenticationPolicy(callback=...)`,
+  - the existing `remember(request, username)` / `forget(request)` calls in
+    `views/default.py:54,58,74` keep working unchanged,
+  - `Authenticated` still lands in `effective_principals`, so `security.py`'s ACL is untouched,
+  - and the hardcoded auth-ticket secret at `__init__.py:15` disappears.
+  Authlib is the only library added to the venv.
+- **What `remember()` stores: the user's email.** Chosen because it is the identity that makes
+  the other 11 `authenticated_userid` call sites keep working: `layout.jinja2:46` routes by
+  `name=authenticated_userid`, and `views/blog.py:64,75` already write this value into the
+  `Unicode(50)` `entries.creator` / `entries.editor` columns (today holding `'admin'` /
+  `'phuoc'`). Cost, stated plainly: the signed cookie session is signed but NOT encrypted, so
+  the email is readable by the client. Acceptable for a public blog author's address; a numeric
+  `users.id` would avoid it but would break `layout.jinja2:46` and the byline columns.
+- The 4 literal `'admin'` comparisons must be replaced by data, not by a new literal:
+  `services/user.py:26` (groupfinder), `views/default.py:93`,
+  `templates/layout.jinja2:43`, `templates/user_edit.jinja2:45`.
+- `nonce` is REQUIRED by Google's OIDC spec -> generate on the authorize step, store in the
+  session, compare against the `id_token` claim on callback.
+- PKCE included (`code_challenge_method=S256` + stored `code_verifier`) even though not
+  documented as mandatory for a confidential web-server client: cheap, and it is the direction
+  of OAuth 2.1, which Google itself links from its own guidance.
+
+## Scope IN
+
+## Scope OUT (Must NOT have)
+
+## Open questions
+- ~~BLOCKING DATA INPUT~~ **RESOLVED 2026-10-05.** The two Google addresses, supplied by the
+  owner: `admin` (id 1) -> `phuoc@caotek.fr` (keeps the `manage` role);
+  `phuoc` (id 2) -> `ctphuoc@gmail.com` (authenticated, no `manage`). These are two DISTINCT
+  people, so each `users` row maps to exactly one Google identity and no merge is needed.
+- `caotek.fr` MX records point at Google (`aspmx.l.google.com` pref 1 plus the canonical
+  `alt1/2/3` + `aspmx2/3` set) while NS and git are at OVH, so the domain is PROBABLY Google
+  Workspace. That would have made an `hd=caotek.fr` restriction viable, but it is not proven
+  (Google MX does not prove the accounts are Workspace accounts). The chosen DB allowlist is
+  strictly stronger and has no external dependency, so this is recorded as a valid alternative
+  that was considered and declined - not as a fallback.
+- Where the OAuth client_id / client_secret live, given both `development.ini` and
+  `production.ini` are tracked in git. Not yet asked; will be defaulted in the plan to
+  PasteDeploy `%(ENV_GOOGLE_CLIENT_ID)s` interpolation with a documented fallback, so no
+  secret is ever committed. Flagged for veto at the gate.
+
+## Metis gap analysis - 2026-10-05 (empirical, verified against installed sources)
+Metis read the installed Pyramid source and booted the real app. It reported 10 blockers and
+12+ majors. Several invalidate parts of MY OWN approach. The following are corrections that
+change the plan, not just the todos.
+
+### Corrections to my own design (must be folded in)
+- **C1. The groupfinder must NOT query the database.** `pyramid_tm/__init__.py` sets
+  `annotate_user = asbool(settings.get('tm.annotate_user', True))` -> defaults **True**, and
+  lines ~136-139 call `request.authenticated_userid` INSIDE `manager.begin()`. With a DB-backed
+  groupfinder, EVERY request performs a DB SELECT inside the transaction block, and any DB error
+  500s every route including `/login` and the OAuth callback itself. Metis reproduced the
+  traceback. **Revised design: the allowlist stays in the DB (it is the login gate, checked once
+  in the callback), but the GROUP mapping must be config-only, not DB.** `groupfinder` reads an
+  `auth.admin_emails` list from settings. This also makes "admin is data, not a literal" concrete
+  and keeps revocation immediate. `CallbackAuthenticationPolicy` calls the callback twice per
+  request (once in `authenticated_userid`, once in `effective_principals`), so a config-only
+  callback is essentially free.
+- **C2. "Unknown email -> 403" is UNACHIEVABLE as I wrote it.** `forbidden_view_config` on
+  `login` (`views/default.py:38`) catches `HTTPForbidden` and renders `login.jinja2` with status
+  **200**. Verified on the real app: anonymous `/users` returns 200 plus the login form. So a
+  rejected OAuth user would be shown the dead password form at 200. **Revised: the callback must
+  set `request.response.status_int = 403` explicitly and render a French "acces refuse" template
+  WITHOUT raising `HTTPForbidden`, and the `forbidden_view_config` must be replaced rather than
+  inherited.** All acceptance criteria asserting 403 must be rewritten to assert on the explicit
+  status plus content, and the AGENTS.md "200 not 403" note must be updated.
+- **C3. The session factory must be reconfigured, and I never mentioned it.**
+  `SignedCookieSessionFactory('hZug2zPt7hT2MZ')` at `__init__.py:13` has default `timeout=1200`
+  (20 min) against the current `AuthTktAuthenticationPolicy(timeout=36000)` (10 h). A Google
+  consent screen plus Google sign-in plus 2FA routinely exceeds 20 min, so `state`/`code_verifier`/
+  `nonce` would expire mid-flow. The timeout must be raised explicitly.
+- **C4. `request.session.renew()` DOES NOT EXIST in Pyramid 2.1**, and neither do
+  `SessionRenew` / `SessionInvalidate`. The only primitive is `invalidate()`, which is literally
+  `self.clear()` carrying the upstream comment `# XXX probably needs to unset cookie`. My brief
+  asked the wrong question. There is no server-side session id to rotate, so classic session
+  fixation is structurally impossible; the real requirement is to DELETE the `state`/
+  `code_verifier`/`nonce` keys after the callback so the values do not survive client-side.
+- **C5. My test strategy does not work as written.** `BaseTest` in `ctp_blogr/tests.py` builds a
+  `testing.DummyRequest`, not a WSGI app, so WebTest cannot drive it. Worse,
+  `BaseTest.init_database()` is DEFINED BUT NEVER CALLED by either existing test, so no table is
+  ever created. "WebTest on :memory: using the existing BaseTest fixture" is impossible. The plan
+  needs its own test-app harness that builds a real WSGI app with a stubbed OAuth client and an
+  in-memory engine.
+- **C6. `create_authorization_url` returns `(uri, state)` and does NOT return `code_verifier`.**
+  The app must generate it with `generate_token(48)`, pass it in, and save it itself. My brief
+  implied Authlib hands these back.
+
+### Blockers Metis raised that are not yet in the todos
+- **B1. `authlib` is not installed and not in `setup.py`**, and it drags in `joserfc`. Installing
+  into the shared parent venv is exactly what AGENTS.md warns against. Needs an explicit
+  dependency-manifest + install step with the shared-venv risk called out.
+- **B5. The OAuth callback CAN be retried.** `pyramid_tm` tags exceptions as retryable via
+  `transaction.Transaction.isRetryableError`; SQLite "database is locked" is a transient error,
+  so `pyramid_retry` re-runs the callback, re-exchanging the same authorization code ->
+  `invalid_grant` -> the user sees a failed login. Code-exchange idempotency must be addressed,
+  and the callback should be made non-retryable.
+- **B6. `user_edit` has `permission='view'`, NOT `manage`, and has NO ownership check.** The only
+  `authenticated_userid` comparison in the whole function is `== 'admin'` for the return URL.
+  Any authenticated allowlisted user can open `/user_edit/<any-email>` and rewrite that row, or
+  `/user_edit/0` to create one. Live today with 2 users; becomes email enumeration plus
+  horizontal privilege once the allowlist grows.
+- **B7 + M8. `verify_password` (`models/user.py:29`) is the ONLY writer of `last_logged`.**
+  Removing it removes the only writer, and `templates/users.jinja2:27` calls
+  `entry.last_logged.strftime(...)` with no NULL guard -> verified `UndefinedError`. The callback
+  must set `last_logged` explicitly, or `/users` 500s.
+- **B8. `user_edit.jinja2:27-28,36-37` will `UndefinedError`** once the WTForms `password`/
+  `confirm` fields are removed, because Jinja2's default `Undefined` raises on attribute access.
+  Verified.
+- **B10. `passlib` is imported at top level in `models/user.py:11`.** Removing the dependency
+  without removing that import breaks the whole app at import time.
+- **M2. There is zero CSRF protection today** (no `csrf` string anywhere in the repo), and the
+  callback adds none. Pyramid 2.1 DOES ship `session.new_csrf_token()` / `get_csrf_token()`
+  (`_csrft_`, 40 hex chars) on the cookie session, so no `pyramid_csrf` package is needed - but
+  nothing wires it automatically; each view must render and compare manually. `state` is
+  sufficient for the callback specifically (a GET, single-use, bound to the pre-auth session).
+  `logout` is a GET that mutates session state, so it is login-CSRF-able.
+- **M3. The read filter fails CLOSED** (`authenticated_userid == None` -> anonymous -> only
+  `status == 'publié'`), which is the safe direction. But `by_id` has no filter at all, and
+  `blog_search`/`by_criteria` leaks draft titles and bodies to any authenticated user via `LIKE`.
+- **M4. Cookie size is NOT a blocker** - a correction to my own framing. Measured: identity +
+  state + code_verifier + nonce serializes to **324 bytes**; with 10 French flash messages, 662.
+  Pyramid raises a hard `ValueError` at **4064 bytes**, so headroom is 3740. The only growth
+  vector is unbounded flash accumulation.
+- **M5. `set_on_exception=True` + `pyramid_retry`** means the session `Set-Cookie` is emitted even
+  for error responses, and a retried request can emit several.
+- **M6. The cookie is not hardened for an identity-bearing value**: `secure=False`, `httponly=False`,
+  and the secret is 16 characters while `hashalg='sha512'` wants at least 64.
+  `production.ini:29` declares `url_scheme = https` yet the cookie still carries no `Secure` flag,
+  and `httponly=False` plus third-party jQuery/Bootstrap CDNs in `layout.jinja2:14-15,106-107`
+  means any XSS reads the identity straight out of the cookie.
+- **M7. `entries.creator` / `entries.editor` are `Unicode(50)`** and are written directly from
+  `request.authenticated_userid` at `views/blog.py:64,75` with no length guard.
+- **M9. Admin-as-data had no defined read path.** Templates cannot call the groupfinder; the
+  fix is `'group:administrators' in request.effective_principals` at all four sites. Where the
+  flag lives was undecided; C1 settles it as settings, not a new column.
+- **M12. The test seam must be named**, and tests must disable `pyramid_retry` or single-shot side
+  effects such as state-clearing become non-deterministic.
+
+### Correction to a claim I made in the brief
+- Authlib 1.8 does NOT ship integrations for Flask and Django only - there is also
+  `authlib.integrations.starlette_client`. The conclusion that there is **no Pyramid integration**
+  still holds, which is the part that matters.
+
+### Second pass - M13, the minors that actually bite, and the 22 acceptance criteria
+- **M13. The `NameError` at `views/default.py:142` is FREE to fix**, because `user_edit` must be
+  edited anyway: line 93 (`'admin'` literal), 116-117 (`len(form.password.data) < 6`), 127 and
+  137 (`set_password`), 98-102 and 119-131 (create-user branch). `UserService.delete` already
+  exists at `services/user.py:18`. **But the trap:** `user_edit.jinja2:45` gates the delete
+  button on `request.authenticated_userid == 'admin'`; if that literal is swapped for the
+  `effective_principals` check from M9, **the button still renders for admins and the
+  `NameError` survives the migration**. Fix line 142 in the same change or ship a 500.
+  **Second-order:** `UserService.delete` is
+  `query.filter(User.id == id).delete(synchronize_session=False)` with **no FK cascade** from
+  `entries.creator`/`entries.editor`, so deleting a user orphans those strings. With emails as
+  the identity, that is now **PII stranded in an orphaned column** and it collides directly with
+  Decision 3's accepted cost.
+- **`hd` is a TRAP - do NOT set `hd=caotek.fr`.** It is a *hosted-domain* hint meaning "a
+  Workspace account on this domain", and `ctphuoc@gmail.com` is a **personal Gmail account**.
+  Setting it locks out the second user and contradicts Decision 5. The Workspace-admin-blocks-the-
+  app-app-wide observation is correct, and it is exactly why `hd` is not a control here. Omit it.
+- **The call-site count in my brief was wrong: it is 15, not 11.** 7 in Python
+  (`services/blog_record.py` x3, `views/blog.py` x2, `views/default.py` x2) and 8 in templates
+  (`layout.jinja2` x4, `blog.jinja2` x2, `home.jinja2` x1, `user_edit.jinja2` x1). Plan for 15.
+- **JWKS keys must be fetched AND CACHED by the app.** With the bare Authlib client there is no
+  automatic fetch: `CodeIDToken` + `jwt.decode(id_token, keys)` needs the keys pulled from
+  `jwks_uri` ourselves. An unbounded refetch per login is a latency and rate-limit problem, so the
+  cache and its TTL have to be decided, not left implicit.
+- **`request.session.get_csrf_token()` is a lame token**: one long-lived random value per session
+  under key `_csrft_`, not per-request, and there is **no automatic comparison helper** - every
+  view must compare by hand. It also writes to the session on first read.
+- **Cookie secret is 16 characters against `hashalg='sha512'`**, which wants at least 64. Since
+  the cookie now *is* the identity, that secret is load-bearing and must be lengthened.
+- **Branch and rollback are UNSETTLED and are a prerequisite, not a detail.** There is one commit
+  on `master` with `main` and `origin/*` at the same commit, and this migration performs a
+  **destructive table rebuild on a committed database file**. An explicit branch decision plus a
+  documented restore path for `ctp_blogr.sqlite` is required *before* touching it. Do not commit
+  unless asked.
+- Passlib hashes stay in git history forever even after the destructive rebuild discards them
+  from the working tree - belongs in the accepted-costs note.
+- `.coveragerc` still says `source = pyramid_blogr`, so coverage collects nothing. **Coverage must
+  not be used as an acceptance gate** for this migration; the number would be fiction.
+- Harmless: `logout` has no permission and `forget()` on an empty session is a no-op.
+
+### The three items Metis left undecided - now settled
+1. **"Admin is data"** -> resolved by C1: `groupfinder` reads `auth.admin_emails` from **settings**,
+   never the DB, because B3 forbids a DB-backed callback inside the `pyramid_tm` tween. The
+   database keeps only the login allowlist.
+2. **"The allowlist is the primary control"** -> yes, confirmed: the DB allowlist gates sign-in
+   once, in the callback. It is not a per-request check, so it cannot be a DB callback.
+3. **"403 on unknown email"** -> achievable only as an explicit
+   `request.response.status_int = 403` plus a French rejection template, **without raising
+   `HTTPForbidden`** (which the `forbidden_view_config` on login would swallow into a 200).
+
+Metis supplied **22 numbered acceptance criteria**, grouped by boot, session policy, callback,
+access control, templates/removals, schema and regression. They are transcribed into the plan's
+Verification section rather than restated here, together with its 6-phase sequencing.
+
+## Approval gate
+status: approved
+approved-on: 2026-10-05
+approval-evidence: >-
+  The owner answered the single blocking data input (the two Google email addresses) after the
+  brief was presented. Per the gate mechanics, "answering the open ambiguities" constitutes
+  approval to write the plan. Authorization covers writing `.omo/plans/google-oauth-migration.md`
+  ONLY - it is not authorization to implement.
+approach: >-
+  Swap AuthTktAuthenticationPolicy for Pyramid's built-in SessionAuthenticationPolicy (same
+  three-method helper interface, so no new auth dependency and the hardcoded auth-ticket
+  secret disappears). Add Authlib 1.8.0 as the only new library, registered for Google via
+  OIDC discovery, with OIDC state + PKCE (S256) + nonce generation, storage and validation
+  written by the app because Authlib has no Pyramid integration. Login becomes a redirect to
+  Google; a new callback route exchanges the code, validates the id_token, checks the email
+  against a database allowlist, provisions nothing implicitly, and remembers the identity in
+  the session. Replace the 4 literal 'admin' comparisons with a data-driven role. Remove the
+  password column, the passlib dependency, the password/confirm form fields, the self-service
+  password-change page, and the admin "create user" flow, since accounts become
+  pre-provisioned by email. Hand-write the ALTER TABLEs against ctp_blogr.sqlite and warn that
+  no migrations exist. Add WebTest coverage that never touches the network.
+pending-action: write .omo/plans/google-oauth-migration.md
+test-strategy: >-
+  tests-after, agent-executed. WebTest drives the routes against a `sqlite:///:memory:` engine
+  built by the existing `BaseTest` fixture. The Google token exchange and JWKS fetch are
+  injected behind a small seam so no test performs network I/O. Per-todo QA covers both the
+  happy path and the failure paths that matter (unknown email -> 403, missing/mismatched
+  state, missing/mismatched nonce, `error=access_denied`). Announced as a default, not asked.
diff --git a/.omo/plans/google-oauth-migration.md b/.omo/plans/google-oauth-migration.md
new file mode 100644
index 0000000..2b3f2b1
--- /dev/null
+++ b/.omo/plans/google-oauth-migration.md
@@ -0,0 +1,743 @@
+# google-oauth-migration - Work Plan
+
+## TL;DR (For humans)
+
+**What you'll get:** Password login is gone. Visitors sign in with a Google account, and only the
+two email addresses you already have in the database are allowed in. Signing in as
+phuoc@caotek.fr keeps admin powers; signing in as ctphuoc@gmail.com gets you in without them.
+
+**Why this approach:** The app keeps its own list of permitted emails and checks it once, at
+sign-in, so Google's "test user" loophole cannot be used to walk in. Authorization no longer
+decides who is an admin by comparing a name against the word "admin"; it reads a configured list
+instead. Sign-in state is protected with Google's recommended anti-hijacking checks.
+
+**What it will NOT do:** It will not create accounts for strangers, ask Google for any extra
+information about you, add a server-side session system, or introduce a database migration tool
+that the project does not have.
+
+**Effort:** Large
+**Risk:** High - it replaces the entire sign-in mechanism and rebuilds a database table inside a
+database file that is tracked in version control.
+**Decisions to sanity-check:** Your admin rights move from a hardcoded name to a list you edit in
+a config file; the sign-in screen timeout is lengthened so slow Google sign-ins are not thrown
+away; a broken edit-user page and a crash on the user list are fixed along the way because they
+sit in the code being changed.
+
+Your next move: approve, or run a high-accuracy review. Full execution detail follows below.
+
+---
+
+> TL;DR (machine): Large/high-risk Pyramid 2.1 auth swap to Google OIDC via Authlib, DB allowlist
+> gate, destructive SQLite users-table rebuild, 14 todos in 5 waves + F1-F4.
+
+## Scope
+### Must have
+- **Google OAuth 2.0 / OIDC sign-in replacing password login entirely.** Login becomes a redirect
+  to Google; there is no local credential path left in the codebase.
+- **Authlib 1.8.0 as the only new library**, driven by Google's OpenID discovery document at
+  `https://accounts.google.com/.well-known/openid-configuration` so `authorize_url`,
+  `access_token_url` and `jwks_uri` are never hand-written. It is a requests-based client
+  (`authlib.integrations.requests_client.OAuth2Session`); Authlib ships integrations for Flask,
+  Django and Starlette but **none for Pyramid**, which is why the app owns its own `state` / PKCE /
+  `nonce` handling. **The app fetches the discovery document itself** and passes the resolved
+  `authorization_endpoint`, `token_endpoint` and `jwks_uri` into the client: passing
+  `server_metadata_url=` to `OAuth2Session` only stores inert metadata, because
+  `load_server_metadata` exists solely on the Starlette-style `sync_app` / `async_app` clients.
+  The document is cached alongside the JWKS rather than refetched per sign-in.
+- **A named, registry-registered collaborator for the Google exchange** - not ad-hoc monkeypatching
+  in tests. It exposes `create_authorization_url(...)` and `fetch_claims(...)`, and it **fetches and
+  caches the JWKS** itself, because the bare client does not: `CodeIDToken` + `jwt.decode` require
+  the app to pull keys from `jwks_uri`, and an unbounded refetch on every sign-in is a latency and
+  rate-limit problem. Cache TTL is a decision of this plan, not left implicit.
+- **App-owned `state`, PKCE and `nonce` handling.** `state` is generated, persisted in the session
+  and **consumed (deleted) before the token exchange is attempted**; `code_verifier` is generated
+  by the app with `generate_token(48)` because `create_authorization_url` returns only
+  `(uri, state)` and never hands the verifier back; `nonce` is generated, persisted, compared
+  against the `id_token` claim, then deleted.
+- **`nonce` is REQUIRED** by Google's OIDC request parameters.
+- **PKCE with `code_challenge_method=S256`**, the `code_verifier` persisted between the two hops.
+- **A single, non-replayable code exchange.** `pyramid_tm` tags exceptions as retryable, so a
+  SQLite "database is locked" transient error can make `pyramid_retry` re-run the callback and
+  re-exchange an already-used authorization code, which fails with `invalid_grant` and shows the
+  user a broken login. The callback must be non-retryable and `fetch_claims` must be called **at
+  most once** per request even with retries enabled.
+- **Auth policy swap to Pyramid's built-in `SessionAuthenticationPolicy` + `SessionAuthenticationHelper`**,
+  replacing `AuthTktAuthenticationPolicy`. Pyramid 2.1 ships both with the same three-method
+  interface as `AuthTktCookieHelper`, so `remember()`/`forget()` call sites keep working and
+  `security.py` is untouched. The hardcoded auth-ticket secret is removed.
+- **The session factory is explicitly reconfigured - it is a first-class part of this change, not
+  an afterthought.** `SignedCookieSessionFactory('hZug2zPt7hT2MZ')` defaults to `timeout=1200`
+  (20 minutes) while the outgoing `AuthTktAuthenticationPolicy` used `36000` (10 hours). A Google
+  consent screen, a Google sign-in and a second factor routinely exceed 20 minutes, so the OAuth
+  values would expire mid-flow. The factory must be constructed with an explicit, longer `timeout`,
+  a secret of at least 64 characters for `hashalg='sha512'` (it is currently 16), and
+  `httponly=True` in both environments plus `secure=True` under production settings. Today the
+  cookie carries `secure=False`, `httponly=False` even though `production.ini` declares
+  `url_scheme = https`; once the cookie *is* the identity, third-party CDN scripts in
+  `layout.jinja2:14-15,106-107` can read it via XSS.
+- **No session-id rotation is attempted, because the API does not exist.** `request.session.renew()`
+  is **not** part of Pyramid 2.1, and neither are the `SessionRenew` / `SessionInvalidate`
+  exceptions. The only primitive is `invalidate()`, which is literally `self.clear()` carrying the
+  upstream comment `# XXX probably needs to unset cookie`. There is no server-side session id, so
+  classic session fixation is structurally impossible; the real requirement is to **delete the
+  `state` / `code_verifier` / `nonce` keys after the callback** so they do not survive client-side.
+- **`remember()` stores the user's email** as `authenticated_userid`, which keeps all **15**
+  existing `request.authenticated_userid` call sites working - 7 in Python
+  (`services/blog_record.py` x3, `views/blog.py` x2, `views/default.py` x2) and 8 in templates
+  (`layout.jinja2` x4, `blog.jinja2` x2, `home.jinja2` x1, `user_edit.jinja2` x1) - including
+  `layout.jinja2:46` (routes `/user_edit/{name}` by that value) and `views/blog.py:64,75` (already
+  write it into `entries.creator` / `entries.editor`).
+- **A database allowlist as the mandatory access control, checked exactly once, in the callback.**
+  An email that does not match a pre-provisioned `users` row is rejected and no row is created.
+  This is required, not defensive: Google's own production-readiness guidance states the
+  consent-screen test-user allowlist is bypassed when an app requests only basic identity scopes.
+- **The allowlist check must NOT become the group lookup.** `pyramid_tm` defaults
+  `tm.annotate_user` to `True` and then calls `request.authenticated_userid` *inside*
+  `manager.begin()`. A database-backed groupfinder therefore runs a SELECT on **every single
+  request, inside the transaction**, and any database error turns every route - including `/login`
+  and the OAuth callback itself - into a 500. This was reproduced against the real app.
+- **Admin rights become configured data, not a literal and not a database lookup.** All 4 sites
+  comparing to the literal `'admin'` are replaced by `'group:administrators' in
+  request.effective_principals`: `services/user.py:26`, `views/default.py:93`,
+  `templates/layout.jinja2:43`, `templates/user_edit.jinja2:45`. The mapping from email to admin
+  comes from an `auth.admin_emails` list in settings, so it survives a session loss, takes effect
+  immediately on edit, and costs no query. Templates cannot call a groupfinder, which is why the
+  `effective_principals` check is the correct template-side expression.
+- **One-shot binding of the two existing accounts, with no first-login claim window:**
+  `admin` (id 1) -> `phuoc@caotek.fr` (retains `manage`); `phuoc` (id 2) -> `ctphuoc@gmail.com`
+  (authenticated, no `manage`). Two distinct people, so each row maps to exactly one identity. The
+  Google `sub` is stored on first successful sign-in and matched first on later sign-ins, because
+  `sub` is Google's stable identifier and email is mutable.
+- **Removal of the password surface:** the `users.password` column, the `passlib` dependency, the
+  top-level `import passlib` in `models/user.py:11` (**removing the dependency without removing
+  that import breaks the entire app at import time**), `User.verify_password` / `set_password`,
+  the `password` / `confirm` WTForms fields and their length check at `views/default.py:116-117`,
+  the non-admin self-service password path, and the admin "Nouvel utilisateur" create-user flow at
+  `views/default.py:98-102,119-131`.
+- **Every template that renders a removed field is fixed in the same change.** Jinja2's default
+  `Undefined` raises on attribute access, so `user_edit.jinja2:27-28,36-37` will raise
+  `UndefinedError` the moment the password fields disappear.
+- **`last_logged` gets an explicit writer and a NULL-safe renderer.**
+  `User.verify_password` (`models/user.py:29`) is currently the **only** code in the app that writes
+  it, so deleting that method deletes the only writer - and `templates/users.jinja2:27` calls
+  `entry.last_logged.strftime(...)` with no NULL guard, which was verified to raise
+  `UndefinedError`. The callback must set `last_logged`, and `/users` must survive a NULL.
+- **The pre-existing `delete(...)` `NameError` at `views/default.py:142` is fixed in this change.**
+  It sits inside `user_edit`, which this migration edits regardless (lines 93, 98-102, 116-117,
+  119-131, 127, 137). `UserService.delete` already exists at `services/user.py:18`. The trap: if
+  the `'admin'` literal in `user_edit.jinja2:45` is swapped for the `effective_principals` check,
+  the delete button **still renders for admins and the `NameError` survives the migration**.
+- **Hand-written schema change against the committed `ctp_blogr.sqlite`**, with an explicit warning
+  that this repo has no `alembic.ini` and no `migrations/` directory, so the schema cannot be
+  regenerated. A SQLite **table rebuild** (not a plain `ALTER TABLE`) is required because
+  `users.password` is `nullable=False`. `entries.creator` / `entries.editor` are `Unicode(50)` and
+  are written straight from `request.authenticated_userid` with no length guard, so they are
+  widened in the same rebuild.
+- **A branch decision and a documented restore path for `ctp_blogr.sqlite` are prerequisites, not
+  afterthoughts.** There is a single commit on `master` with `main` and `origin/*` at the same
+  commit, and this migration performs a destructive rebuild on a tracked file.
+- **`scope=openid email` only.** `profile` is not requested (no display name or avatar is used).
+  **`hd` is deliberately omitted**: it means "a Workspace account on this domain", and
+  `ctphuoc@gmail.com` is a personal Gmail account, so setting `hd=caotek.fr` would lock the second
+  user out. The database allowlist is the control that actually works.
+- **A brand-new WebTest harness.** The existing `BaseTest` builds a `testing.DummyRequest`, not a
+  WSGI app, so WebTest cannot drive it - and `BaseTest.init_database()` is **defined but never
+  called** by either existing test, so no table is ever created. "WebTest on the existing fixture"
+  is impossible; the plan therefore builds its own WSGI app on `sqlite:///:memory:` with the Google
+  collaborator stubbed and `pyramid_retry` disabled, covering the happy path and every failure path.
+- **All user-visible strings, comments and flash messages stay in French**, matching the app.
+
+### Must NOT have (guardrails, anti-slop, scope boundaries)
+- **No implicit sign-up.** A Google identity that is not already in `users` is refused; it is
+  never auto-created. This closes the self-registration hole that a naive OAuth migration opens.
+- **No `profile` scope, no avatar, no display name, no refresh token, no `access_type=offline`,
+  no `hd` parameter, and no call to any Google API.** Sign-in only.
+- **No Google-side logout or token revocation.** Logout is local session invalidation only.
+- **No database-backed groupfinder and no `tm.annotate_user` change.** The login allowlist is a DB
+  read performed once in the callback; the group mapping is configuration. Silencing `annotate_user`
+  to dodge the tween problem would break commit/abort semantics and is forbidden.
+- **No `pyramid_csrf` package and no retrofitting CSRF onto the existing write views.** Pyramid
+  2.1's cookie session already provides `new_csrf_token()` / `get_csrf_token()` under `_csrft_`,
+  so no dependency is needed - but the token is a single long-lived per-session value with no
+  automatic comparison helper, and wiring it into every pre-existing POST view is an unrelated
+  refactor. `state` is the control for the callback itself (a single-use GET bound to the
+  pre-authentication session). The pre-existing absence of CSRF, and `logout` being a
+  state-mutating GET, are recorded as accepted risks, not silently fixed and not silently ignored.
+- **No server-side session backend.** No `pyramid_beaker`. Measured, not assumed: identity plus
+  `state` + `code_verifier` + `nonce` serializes to **324 bytes**; with ten French flash messages,
+  662. Pyramid raises a hard `ValueError` at **4064 bytes**, leaving ~3.7 KB of headroom. The only
+  growth vector is unbounded flash accumulation, which is bounded by capping flash length, not by
+  adding a backend.
+- **No migration tooling.** Do not introduce Alembic, do not create a `migrations/` directory,
+  and do not pretend `Base.metadata.create_all()` covers the production schema.
+- **No use of coverage as an acceptance gate.** `.coveragerc` still says
+  `source = pyramid_blogr` (the old package name) so coverage collects nothing; the number would
+  be fiction. Fix the name only if asked.
+- **No unrelated refactors beyond the lines this migration must already touch.** Explicitly
+  **out of scope**: the hardcoded post id `95` in `home` and `home.jinja2:18`, the legacy
+  `Query.get()` call in `services/blog_record.py`, the non-raw string at `routes.py:5`, the legacy
+  `declarative_base` in `models/meta.py`, the missing `initialize_db.py` behind the declared
+  `initialize_ctp_blogr_db` console script, and the dead `HistoForm` / `AllocationForm` /
+  `ActifForm` / `Actif2Form` forms matching orphaned tables. The pre-existing draft-leak in
+  `by_id` (no status filter) and the `LIKE` search leak are **recorded, not fixed**: they are
+  unchanged by this migration, and widening the user population is what makes them worth a
+  separate decision.
+- **No invented linting, formatting, type-checking, CI or task runner.** None exists and this
+  migration does not create any.
+- **No reduction to an MVP or phase 1.** This is the complete migration, one plan.
+
+## Verification strategy
+> Zero human intervention for everything the agent can execute. The single exception is F3's real
+> Google sign-in, which needs credentials only the user can issue - see the prerequisite below.
+> Todos 1-14 all run fully offline against a stubbed Google collaborator.
+>
+> **User prerequisite, required before F3 only (not before Wave 1):** provision a Google Cloud
+> OAuth 2.0 client, add the Web application redirect URI
+> `http://localhost:9280/login/google/callback`, and set `ENV_GOOGLE_CLIENT_ID` /
+> `ENV_GOOGLE_CLIENT_SECRET`. Todos 1-14 do not need these; F3 cannot pass without them.
+- Test decision: **tests-after**, WebTest + pytest, on `sqlite:///:memory:` via a **newly built**
+  WSGI test app (the existing `BaseTest` cannot be reused - see Scope). The Google collaborator and
+  the JWKS fetch are injected behind the named seam from todo 7 so no test performs network I/O.
+  `pyramid_retry` is disabled in tests, because single-shot side effects such as consuming `state`
+  are otherwise non-deterministic.
+- **Never assert a bare 200 in this app.** Unauthorized requests return **200 with the login page**,
+  not 403, because a `forbidden_view_config` swallows `HTTPForbidden`. Every protected-route
+  assertion checks status *and* body content.
+- Per-todo happy AND failure QA, each writing evidence to
+  `<attemptDir>/task-<N>-google-oauth-migration.<ext>`.
+- Structural self-check before handoff: every implementation row is column-zero
+  `- [ ] N. <title>` and every final-verifier row is column-zero `- [ ] F<number>. <title>`,
+  both inside their intended section, with no prose bullet standing in for a task.
+
+### Acceptance criteria (transcribed from the gap analysis, grouped)
+**Environment / boot**
+1. `python -c "from pyramid.paster import get_app; get_app('development.ini')"` exits 0, and
+   `python -c "import authlib, joserfc; print(authlib.__version__)"` succeeds.
+2. `python -m pytest -q` reports the exact new count, `0 failed`, and **no** `no such table` error
+   (which proves the new harness actually creates the schema).
+
+**Session policy**
+3. The post-login cookie, read on the **next** request, contains `auth.userid` and **no** key
+   matching `state|code_verifier|nonce`.
+4. A session older than the configured `timeout` is rejected, asserted with a monkeypatched clock
+   rather than a sleep.
+5. The factory is constructed with `secure=True` under production settings and `httponly=True` in
+   both; the configured `timeout` is asserted to exceed the previous 20-minute default and its
+   value is written down.
+
+**Callback**
+6. Unknown email -> assert the **actual** status (403), that the body contains the French rejection
+   message, and that it contains **no** `<input type="password">`.
+7. `state` mismatch, missing `state`, and replayed `state` each fail closed, call the token endpoint
+   **zero** times, and leave no session identity.
+8. `nonce` mismatch is rejected; assert the JWT `nonce` claim is compared against the stored value
+   (the stub returns a mismatching claim).
+9. `?error=access_denied` -> French flash, no DB write, no session identity.
+10. Retry safety: with `retry.attempts=3`, a transient error during the callback does **not**
+    produce a second exchange (assert collaborator call count == 1).
+
+**Access control**
+11. Authenticated as `ctphuoc@gmail.com`: `GET /user_edit/phuoc@caotek.fr` is refused,
+    `GET /user_edit/0` is refused, `GET /users` does **not** contain `users_list`.
+12. Same user: `POST /blog_edit/<id>` with `form.submitted` does **not** modify the post, and with
+    `form.deleted` the row is still present.
+13. `users.name` is restricted to the two allowlisted emails, and
+    `groupfinder('ghost@nowhere.test', request)` returns `None`.
+
+**Templates / removals**
+14. `GET /users` returns 200 with a row whose `last_logged` is NULL in the database (no `strftime`
+    `UndefinedError`).
+15. `GET /user_edit/<email>` returns 200 and the HTML contains **no** `name="password"`.
+16. `grep -c "route_url('user_edit', name='0')" ctp_blogr/templates/users.jinja2` == 0 and
+    `GET /user_edit/0` is unreachable.
+17. `grep -rn passlib ctp_blogr/` returns nothing **and** the app still boots (the import-order
+    trap).
+18. `grep -rn "'admin'" ctp_blogr/` returns no authorization comparison.
+
+**Schema**
+19. After the rebuild, `PRAGMA table_info(users)` shows **no** `password` column and `name` still
+    `NOT NULL` + `UNIQUE`; `SELECT COUNT(*) FROM users` == 2 with the correct emails;
+    `PRAGMA foreign_key_check` is clean; the `alembic_version` row is still present and untouched.
+20. `PRAGMA table_info(entries)` shows `creator`/`editor` widened.
+
+**Regression**
+21. `python -m pytest ctp_blogr/tests.py` still passes, or the two legacy duplicate tests are
+    deliberately deleted as part of the harness replacement.
+22. An explicit smoke pass over all 15 routes asserting **content**, never a bare 200.
+
+## Execution strategy
+### Parallel execution waves
+> Waves are deliberately smaller than the 5-8 target. The gap analysis proved that the session
+> factory, the auth policy and the group mapping are **one coupled change** (a 20-minute default
+> timeout plus a database-backed callback inside the transaction tween), and that the destructive
+> table rebuild must be isolated. Splitting those further would produce intermediate states that
+> cannot boot.
+
+- **Wave 1 - prerequisites and foundation (no interdependencies):** dependency manifest and
+  `authlib` install; branch decision plus database backup and restore path; session factory
+  hardening; the `settings` surface for the client id/secret and `auth.admin_emails`.
+- **Wave 2 - auth core (coupled, land together):** the `SessionAuthenticationPolicy` swap with the
+  settings-based groupfinder; the destructive schema rebuild on the agreed branch; the named
+  Google collaborator with JWKS caching.
+- **Wave 3 - the flow (depends on Wave 2):** the authorize redirect view; the callback view with
+  state consumption, nonce comparison and a single non-retryable exchange; the allowlist gate with
+  the explicit 403, `remember()`, the `last_logged` write and OAuth-key cleanup.
+- **Wave 4 - authorization gaps and surface removal (must land in the same change set as Wave 3):**
+  the `/user_edit` permission and ownership fix together with the `delete(...)` `NameError`; the
+  four literal `'admin'` sites; removal of the password surface and the template fixes it forces.
+- **Wave 5 - tests (depends on all):** the new WSGI harness and the full suite.
+- **Wave 6 - final verification wave** (F1-F4), all four in parallel, all must APPROVE.
+
+### Dependency matrix
+| Todo | Depends on | Blocks | Can parallelize with |
+| --- | --- | --- | --- |
+| 1. Dependency manifest + `authlib` install | - | 7, 13 | 2, 3, 4 |
+| 2. Branch decision + DB backup/restore path | - | 6 | 1, 3, 4 |
+| 3. Session factory hardening (timeout, secret, httponly, secure) | - | 5, 8, 9 | 1, 2, 4 |
+| 4. `settings` surface: client id/secret + `auth.admin_emails` | - | 5, 7, 8 | 1, 2, 3 |
+| 5. `SessionAuthenticationPolicy` + settings-based groupfinder | 3, 4 | 10, 11, 12 | 6, 7 |
+| 6. Schema rebuild: drop `password`, add `google_sub`, widen creator/editor | 2 | 9, 10, 14 | 5, 7 |
+| 7. Google collaborator seam + JWKS cache | 1, 4 | 8 | 5, 6 |
+| 8. Authorize redirect + callback views | 3, 7 | 9, 13 | - |
+| 9. Allowlist gate + explicit 403 + `last_logged` + key cleanup | 5, 6, 8 | 13 | - |
+| 10. `/user_edit` authorization + `delete(...)` `NameError` | 5, 6, 9 | 13 | - |
+| 11. Replace the 4 literal `'admin'` sites | 5, 9 | 13 | 10 |
+| 12. Remove the password surface + template fixes | 6, 10, 11 | 13 | - |
+| 13. New WSGI test harness + full suite | 1-12 | F1-F4 | - |
+| 14. `AGENTS.md` accuracy update | 13 | F1-F4 | - |
+
+## Todos
+> Implementation + Test = ONE todo. Never separate.
+<!-- APPEND TASK BATCHES BELOW THIS LINE WITH edit/apply_patch - never rewrite the headers above. -->
+
+- [ ] 1. Declare and install `authlib` without corrupting the shared venv
+  What to do / Must NOT do: Add `authlib` to `install_requires` in `setup.py` (which pulls in
+  `joserfc`). Install it into the parent venv at `/Users/phuoc/pyramid2`. MUST NOT casually
+  `pip install` into that venv - `AGENTS.md` records that it is shared and still carries a stale
+  editable install of a `wiki_test` project whose source is gone. MUST NOT add any other new
+  dependency, and MUST NOT introduce `pyramid_csrf` or `pyramid_beaker`.
+  Parallelization: Wave 1 | Blocked by: - | Blocks: 7, 13
+  References (executor has NO interview context - be exhaustive): `setup.py` (install_requires,
+  currently declares the dead `initialize_ctp_blogr_db` console script whose target
+  `ctp_blogr/scripts/initialize_db.py` does not exist); `AGENTS.md` "Environment" section; venv root
+  is the **parent** directory, `python` is already on PATH.
+  Acceptance criteria (agent-executable):
+  `python -c "import authlib, joserfc; print(authlib.__version__)"` exits 0 and prints 1.8.0;
+  `python -c "from pyramid.paster import get_app; get_app('development.ini')"` exits 0;
+  `git diff setup.py` shows exactly one added dependency line.
+  QA scenarios (name the exact tool + invocation): happy - `python -c "import authlib, joserfc"`
+  succeeds after install. failure - `pip install authlib==0.0.0` is NOT run; instead assert
+  `grep -c "authlib" setup.py` == 1 and that `pyramid_csrf`/`pyramid_beaker` are absent.
+  Evidence: `<attemptDir>/task-1-google-oauth-migration.<ext>`
+  Commit: N - propose `feat(deps): add authlib for Google OAuth`, commit only on explicit request.
+
+- [ ] 2. Decide the branch and establish a restore path for the tracked database
+  What to do / Must NOT do: Surface the branch decision to the user and get an explicit answer
+  before any schema work. `ctp_blogr.sqlite` is **tracked in git** (the `*.sqlite` line in
+  `.gitignore` does nothing for an already-tracked file), there is a single commit on `master`, and
+  `main` and `origin/*` point at it. Produce a dated backup of the database file outside the repo
+  and record the exact restore command. MUST NOT create a branch, commit, or push without the user's
+  answer. MUST NOT modify the schema in this todo.
+  Parallelization: Wave 1 | Blocked by: - | Blocks: 6
+  References (executor has NO interview context - be exhaustive): `AGENTS.md` "Database" and
+  "Conventions" sections; `development.ini` and `production.ini` both point at the file via
+  `%(here)s`; the file contains `alembic_version` rev `b8f8216d72c7`, ~99 posts and 8 tags.
+  Acceptance criteria (agent-executable): a backup file exists outside the working tree and
+  `sqlite3 <backup> "PRAGMA integrity_check"` returns `ok`; the restore command is written into the
+  plan's commit strategy; `git status --porcelain ctp_blogr.sqlite` is still clean at the end of
+  this todo.
+  QA scenarios: happy - backup created and verified with `PRAGMA integrity_check`. failure - confirm
+  `git checkout -- ctp_blogr.sqlite` would restore the pre-migration state, and record that the
+  working tree is untouched so far.
+  Evidence: `<attemptDir>/task-2-google-oauth-migration.<ext>`
+  Commit: N - documentation only, no commit.
+
+- [ ] 3. Harden and reconfigure the session factory
+  What to do / Must NOT do: Replace the bare `SignedCookieSessionFactory('hZug2zPt7hT2MZ')` with an
+  explicit construction: a secret of at least 64 characters for `hashalg='sha512'` (currently 16),
+  an explicit `timeout` long enough to survive a Google consent screen plus sign-in plus 2FA (the
+  default is 1200s / 20 min against the outgoing policy's 36000s / 10 h), `httponly=True` in both
+  environments, and `secure=True` driven by settings so production gets it. MUST NOT add
+  `pyramid_beaker`. MUST NOT call `request.session.renew()` - **that method does not exist in
+  Pyramid 2.1**, and neither do `SessionRenew` / `SessionInvalidate`. MUST NOT leave the factory
+  defaults in place, because the cookie becomes the identity.
+  Parallelization: Wave 1 | Blocked by: - | Blocks: 5, 8, 9
+  References (executor has NO interview context - be exhaustive): `ctp_blogr/__init__.py:13` (the
+  factory) and `:15` (the hardcoded auth-ticket secret being removed); the installed factory source
+  confirms `_timeout: 1200`, `_cookie_secure: False`, `_cookie_httponly: False`,
+  `_cookie_samesite: 'Lax'`, `_cookie_on_exception: True`; `production.ini:29` declares
+  `url_scheme = https` while the cookie still ships no `Secure` flag;
+  `templates/layout.jinja2:14-15,106-107` load third-party CDN scripts, so `httponly=False` is a
+  real XSS-to-identity-theft path once the cookie carries the identity. `SameSite=Lax` is already
+  correct for a top-level GET callback - do not change it to `None`.
+  Acceptance criteria (agent-executable): `grep -n "SignedCookieSessionFactory" ctp_blogr/__init__.py`
+  shows named kwargs for `timeout`, `httponly`, `secure` and the secret; the secret is >= 64 chars
+  (assert with a Python one-liner); `python -c "from pyramid.paster import get_app;
+  get_app('development.ini')"` exits 0; a `Set-Cookie` from a test request carries `HttpOnly`, and
+  carries `Secure` when production settings are loaded.
+  QA scenarios: happy - boot check passes and the header assertions hold. failure - assert a
+  monkeypatched clock past the configured `timeout` causes the identity to be rejected (criterion 4),
+  with no `sleep` in the test.
+  Evidence: `<attemptDir>/task-3-google-oauth-migration.<ext>`
+  Commit: N - propose `fix(auth): harden and configure the signed session cookie`.
+
+- [ ] 4. Add the `settings` surface for the Google client and the admin email list
+  What to do / Must NOT do: Read `google.client_id` and `google.client_secret` from settings via
+  PasteDeploy environment interpolation (`%(ENV_GOOGLE_CLIENT_ID)s`,
+  `%(ENV_GOOGLE_CLIENT_SECRET)s`) in both `development.ini` and `production.ini`, and add
+  `auth.admin_emails` as a parsed list (`phuoc@caotek.fr`). Fail fast with a clear French message if
+  the credentials are missing. MUST NOT commit any real credential, and MUST NOT invent a settings
+  key that nothing reads.
+  Parallelization: Wave 1 | Blocked by: - | Blocks: 5, 7, 8
+  References (executor has NO interview context - be exhaustive): `ctp_blogr/__init__.py` `main()`
+  (reads `settings`); `development.ini` and `production.ini`; `ctp_blogr/security.py` (the 3-line
+  ACL whose `group:administrators` principal this list feeds).
+  Acceptance criteria (agent-executable): `grep -n "auth.admin_emails" ctp_blogr/*.ini` shows both
+  files; the groupfinder receives `['phuoc@caotek.fr']` from settings; starting the app with the
+  env vars unset raises a clear configuration error naming the missing variable, and
+  `git grep -n "client_secret" ` shows only the interpolation, never a literal value.
+  QA scenarios: happy - app boots with env vars set. failure - app refuses to boot with a readable
+  message when they are absent.
+  Evidence: `<attemptDir>/task-4-google-oauth-migration.<ext>`
+  Commit: N - propose `feat(auth): add Google OAuth and admin email settings`.
+
+- [ ] 5. Swap `AuthTkt` for `SessionAuthenticationPolicy` with a settings-based groupfinder
+  What to do / Must NOT do: Replace `AuthTktAuthenticationPolicy` (and its hardcoded secret) with
+  Pyramid's `SessionAuthenticationPolicy` + `SessionAuthenticationHelper`, keeping
+  `root_factory='ctp_blogr.security.RootFactory'` and `ACLAuthorizationPolicy` so `security.py` is
+  untouched. Rewrite the `groupfinder` callback so it maps email -> group **purely from
+  `auth.admin_emails` in settings**. MUST NOT query the database from the callback:
+  `pyramid_tm` defaults `tm.annotate_user` to `True` and calls `request.authenticated_userid`
+  inside `manager.begin()`, so a DB-backed groupfinder runs a SELECT on every request inside the
+  transaction, and any DB error 500s every route including `/login` and the callback itself. MUST
+  NOT "fix" this by setting `tm.annotate_user = false`. Unknown email must return `None`, not raise.
+  Parallelization: Wave 2 | Blocked by: 3, 4 | Blocks: 10, 11, 12
+  References (executor has NO interview context - be exhaustive): `ctp_blogr/__init__.py:15` (the
+  policy block and secret); `ctp_blogr/services/user.py:26` (the current `userid == 'admin'`
+  literal to remove); `ctp_blogr/security.py`; installed
+  `pyramid_tm/__init__.py` `annotate_user = asbool(settings.get('tm.annotate_user', True))` and the
+  `request.authenticated_userid` access inside `manager.begin()`;
+  `models/__init__.py` sets `settings['tm.manager_hook'] = 'pyramid_tm.explicit_manager'`.
+  Acceptance criteria (agent-executable): `groupfinder('phuoc@caotek.fr', request)` returns
+  `['group:administrators']`; `groupfinder('ctphuoc@gmail.com', request)` returns `[]`;
+  `groupfinder('ghost@nowhere.test', request)` returns `None`; no SQL is emitted during a
+  groupfinder call (assert with an engine event listener); `grep -rn "'admin'" ctp_blogr/` returns
+  nothing; the ACL file is byte-identical to its pre-change content.
+  QA scenarios: happy - both known identities resolve to the expected principals and `/users` is
+  reachable only for the admin. failure - `groupfinder` on an unknown email returns `None` and
+  creates no row; a request with the database deliberately broken still serves `/login` (this is
+  the B3 regression test).
+  Evidence: `<attemptDir>/task-5-google-oauth-migration.<ext>`
+  Commit: N - propose `refactor(auth): swap AuthTkt for SessionAuthenticationPolicy`.
+
+- [ ] 6. Rebuild the `users` table and widen `entries.creator` / `entries.editor`
+  What to do / Must NOT do: Against the backed-up `ctp_blogr.sqlite`, rebuild `users` to drop the
+  `password` column (it is `nullable=False`, so a plain `ALTER TABLE ... DROP COLUMN` is not the
+  safe route), add a nullable unique `google_sub`, keep `id` / `name` (`name` stores the allowlisted
+  email and stays `NOT NULL` + `UNIQUE`) and `last_logged`. Set row 1 `name` to
+  `phuoc@caotek.fr` and row 2 to `ctphuoc@gmail.com`. Widen `entries.creator` and `entries.editor`
+  from `Unicode(50)` to `Unicode(255)` in the same rebuild. Back up first (todo 2). MUST NOT
+  introduce Alembic or a `migrations/` directory - none exists in this repo. MUST NOT touch the
+  `alembic_version` row (rev `b8f8216d72c7`), even though no Alembic is wired up. MUST NOT drop or
+  alter the `entries` rows themselves. Report clearly that migrations are missing.
+  Parallelization: Wave 2 | Blocked by: 2 | Blocks: 9, 10, 14
+  References (executor has NO interview context - be exhaustive): `ctp_blogr/models/user.py`
+  (columns, `password nullable=False`); `ctp_blogr/models/blog_record.py` (`creator`/`editor`
+  `Unicode(50)`); `ctp_blogr/models/__init__.py:8-9` (`Tags` is defined in `blog_record` but not
+  imported here - import it explicitly if mapper config is touched); `ctp_blogr/views/blog.py:64,75`
+  (the unguarded writes); `AGENTS.md` "Database" section (the DB file is the schema source of
+  truth; `create_all()` is test-only).
+  Acceptance criteria (agent-executable): `PRAGMA table_info(users)` shows no `password` column,
+  `name` still `NOT NULL` + `UNIQUE`, and a `google_sub` column; `SELECT COUNT(*) FROM users` == 2
+  with exactly `phuoc@caotek.fr` and `ctphuoc@gmail.com`; `PRAGMA table_info(entries)` shows
+  `creator`/`editor` widened; `PRAGMA foreign_key_check` is clean;
+  `SELECT * FROM alembic_version` still returns `b8f8216d72c7`;
+  `SELECT COUNT(*) FROM entries` is unchanged from the pre-migration count;
+  `python -m pytest -q` shows no `no such table`.
+  QA scenarios: happy - all the assertions above pass against the real file. failure - run every
+  assertion against the **backup** first to confirm the script is not silently a no-op, and confirm
+  the restore path from todo 2 actually restores a working app.
+  Evidence: `<attemptDir>/task-6-google-oauth-migration.<ext>`
+  Commit: N - propose `feat(db): migrate users to Google identity and widen entry authors`. The
+  database diff is a real tracked change and must be inspected before any commit.
+
+- [ ] 7. Build the named Google OAuth collaborator with JWKS caching
+  What to do / Must NOT do: Add a registry-registered service (e.g.
+  `ctp_blogr/services/google_oauth.py`) wrapping `OAuth2Session` from
+  `authlib.integrations.requests_client`, configured from the discovery document so
+  `authorize_url` / `access_token_url` / `jwks_uri` are never hand-written. Expose exactly two
+  operations: `create_authorization_url(...)` and `fetch_claims(code, code_verifier, ...)`. The
+  service MUST fetch **and cache** the discovery document and the JWKS itself with a bounded TTL,
+  because the bare client does neither: `CodeIDToken` plus key decoding needs the keys pulled from
+  `jwks_uri` manually, and refetching on every sign-in is a latency and rate-limit problem. Use
+  **`joserfc`** (Authlib's own forward dependency) to decode and verify the `id_token`, **not**
+  `authlib.jose`, which is soft-deprecated in 1.8.0 and warns. Set `hd` nowhere.
+  MUST NOT use `authorize_redirect` / `save_authorize_data` / `set_state_data` /
+  `clear_state_data` - those are framework integrations that do not exist for Pyramid.
+  Parallelization: Wave 2 | Blocked by: 1, 4 | Blocks: 8
+  References (executor has NO interview context - be exhaustive): discovery URL
+  `https://accounts.google.com/.well-known/openid-configuration`; Authlib entry point
+  `authlib.integrations.requests_client.OAuth2Session`; `create_authorization_url` returns the tuple
+  `(uri, state)` and does **not** return `code_verifier`, which the app generates with
+  `generate_token(48)` and passes in itself; Google's OIDC reference
+  (https://developers.google.com/identity/openid-connect/reference) requires `nonce`;
+  `development.ini` / `production.ini` settings from todo 4.
+  Acceptance criteria (agent-executable): the service is reachable from
+  `request.registry.google_oauth`; `create_authorization_url` returns a `state` and an absolute
+  `accounts.google.com` URI containing `code_challenge_method=S256`, a `code_challenge`, an `openid`
+  scope and **no** `hd` parameter; two consecutive `fetch_claims` calls hit the JWKS endpoint once
+  (assert with a counting stub); the cache honours its TTL under a monkeypatched clock.
+  QA scenarios: happy - authorization URL is well-formed and JWKS is fetched once. failure - a JWKS
+  fetch failure surfaces a French error and never reaches the token endpoint; a cached-key path still
+  validates a token after the TTL expires.
+  Evidence: `<attemptDir>/task-7-google-oauth-migration.<ext>`
+  Commit: N - propose `feat(auth): add Google OAuth client with state, PKCE and nonce`.
+
+- [ ] 8. Add the authorize redirect and the callback views
+  What to do / Must NOT do: Add a `/login/google` route that generates `state`, `nonce` and
+  `code_verifier`, stores all three in the session, and redirects. Add the `/login/google/callback`
+  GET which: rejects `?error=access_denied` with a French flash and no DB write; consumes
+  (deletes) `state` **before** attempting the exchange so a replay cannot reach the token endpoint;
+  exchanges the code exactly once with the stored `code_verifier` and `redirect_uri`; compares the
+  `id_token` `nonce` claim against the stored value; deletes `state` / `code_verifier` / `nonce`;
+  and then defers to todo 9 for the allowlist gate and `remember()`. MUST NOT call
+  `request.session.renew()` (it does not exist). MUST NOT let `pyramid_retry` replay the exchange:
+  `pyramid_tm` marks exceptions retryable and a SQLite lock would re-run the callback into
+  `invalid_grant`. Verify with a call-count assertion under `retry.attempts=3`.
+  Parallelization: Wave 3 | Blocked by: 3, 7 | Blocks: 9, 13
+  References (executor has NO interview context - be exhaustive): `ctp_blogr/routes.py` (add both
+  routes; note `:5` is a non-raw string emitting `SyntaxWarning` on 3.12+ - prefix with `r` if you
+  edit that file, the new routes are purely additive); `ctp_blogr/views/default.py:37-74` (the
+  existing `login` / `logout` / `forget` pattern and its `permission` / `renderer` conventions);
+  `development.ini` (`retry.attempts = 3`); installed `pyramid_tm` retryable-error tagging.
+  Acceptance criteria (agent-executable): `state` mismatch, missing `state`, and replayed `state`
+  each fail closed, call the collaborator **zero** times, and leave no session identity; `nonce`
+  mismatch is rejected with a stubbed mismatching claim; `?error=access_denied` produces a French
+  flash, no DB write and no session identity; with `retry.attempts=3` and an injected transient
+  error the collaborator is called exactly once; after a successful callback no session key matches
+  `state|code_verifier|nonce`.
+  QA scenarios: happy - full redirect-URI round trip with a stubbed token endpoint yields verified
+  claims. failure - the six rejection cases above, each asserting zero token-endpoint calls.
+  Evidence: `<attemptDir>/task-8-google-oauth-migration.<ext>`
+  Commit: N - propose `feat(auth): add authorize and callback views`.
+
+- [ ] 9. Gate sign-in on the database allowlist, then remember the identity
+  What to do / Must NOT do: In the callback, after claims are verified, match the identity against
+  the `users` table: `google_sub` first, then the allowlisted email. A match updates `last_logged`
+  (the **only** writer, since `verify_password` is being deleted) and stores `google_sub` on first
+  sign-in, then calls `remember(email)`. **No match is refused** and no row is ever created. The
+  refusal MUST set `request.response.status_int = 403` explicitly and render a French rejection
+  template **without raising `HTTPForbidden`**, because `forbidden_view_config` on login
+  (`views/default.py:38`) catches that exception and renders `login.jinja2` with status **200** -
+  a rejected user would otherwise be shown the dead password form. Replace that
+  `forbidden_view_config` with a real 403 view rather than inheriting it. MUST NOT auto-provision.
+  MUST NOT query the DB for the group mapping (todo 5).
+  Parallelization: Wave 3 | Blocked by: 5, 6, 8 | Blocks: 13
+  References (executor has NO interview context - be exhaustive): `ctp_blogr/views/default.py:38`
+  (the `forbidden_view_config` that swallows `HTTPForbidden`), `:53-58` (existing `remember()` /
+  `forget()` call style), `:68-74` (logout); `ctp_blogr/models/user.py:29` (the `last_logged` write
+  being removed with `verify_password`); `templates/users.jinja2:27` (`last_logged.strftime` with no
+  NULL guard); Google's production-readiness note that the test-user allowlist is bypassed for
+  basic scopes, which is why this DB gate is mandatory rather than defence-in-depth.
+  Acceptance criteria (agent-executable): unknown email -> status 403, body contains the French
+  rejection message, body contains no `<input type="password">`, and
+  `SELECT COUNT(*) FROM users` is unchanged; `phuoc@caotek.fr` yields `auth.userid` equal to that
+  email plus the `manage` principal and a non-NULL `last_logged`; `ctphuoc@gmail.com` yields a
+  session **without** `manage`; a second sign-in matches on `google_sub`.
+  QA scenarios: happy - both known identities sign in with the right principals. failure - unknown
+  email refused at 403 with no row created; a tampered `sub`/email pair refused.
+  Evidence: `<attemptDir>/task-9-google-oauth-migration.<ext>`
+  Commit: N - propose `feat(auth): gate sign-in on a database allowlist`.
+
+- [ ] 10. Close the `/user_edit` authorization hole and fix the `delete(...)` `NameError`
+  What to do / Must NOT do: `views/default.py:88` declares `permission='view'`, **not** `manage`,
+  and the only identity check in the function is `== 'admin'` for the return URL. Any authenticated
+  user can therefore open `/user_edit/<any-email>` and rewrite that row, or `/user_edit/0` to
+  create one. Change the permission to `manage` and remove the create-user branch
+  (`:98-102,119-131`) so `name='0'` is unreachable; if an admin-only allowlist editor is kept, it
+  must require `manage` and must not accept a password. In the same change, fix `:142`
+  `delete(request, user.id)` -> `UserService.delete(request, user.id)`; that method already exists
+  at `services/user.py:18`. Record that it is a `filter().delete(synchronize_session=False)` with
+  **no FK cascade** from `entries.creator` / `entries.editor`, so deleting a user strands PII in
+  those columns. MUST NOT leave the `NameError` live: `user_edit.jinja2:45` gates the delete button
+  on `request.authenticated_userid == 'admin'`, and swapping that literal for the
+  `effective_principals` check keeps the button rendering for admins.
+  Parallelization: Wave 4 | Blocked by: 5, 6, 9 | Blocks: 13
+  References (executor has NO interview context - be exhaustive): `ctp_blogr/views/default.py:88`
+  (permission), `:93` (`'admin'` literal), `:98-102` and `:119-131` (create-user branch),
+  `:116-117` (`len(form.password.data) < 6`), `:127` and `:137` (`set_password`),
+  `:142` (the `NameError`); `ctp_blogr/services/user.py:18` (`delete`);
+  `ctp_blogr/templates/user_edit.jinja2:45` (delete-button gate);
+  `ctp_blogr/templates/users.jinja2` (the `route_url('user_edit', name='0')` create link).
+  Acceptance criteria (agent-executable): as `ctphuoc@gmail.com`,
+  `GET /user_edit/phuoc@caotek.fr` and `GET /user_edit/0` are both refused and the response body
+  does not contain the edit form; `grep -c "route_url('user_edit', name='0')"
+  ctp_blogr/templates/users.jinja2` == 0; as admin, the delete button renders **and** submitting it
+  deletes the row without raising; the other user row is untouched.
+  QA scenarios: happy - admin edits and deletes correctly. failure - non-admin is refused on both
+  URLs (content assertion, never a bare 200, because forbidden responses render the login page at
+  200 in this app).
+  Evidence: `<attemptDir>/task-10-google-oauth-migration.<ext>`
+  Commit: N - propose `fix(auth): require manage on user_edit and fix user deletion`.
+
+- [ ] 11. Replace the four literal `'admin'` comparisons with `effective_principals`
+  What to do / Must NOT do: Replace every authorization comparison against the literal `'admin'`
+  with `'group:administrators' in request.effective_principals`: `services/user.py:26`,
+  `views/default.py:93`, `templates/layout.jinja2:43`, `templates/user_edit.jinja2:45`. Templates
+  cannot call a groupfinder, which is why `effective_principals` is the correct template-side
+  expression. Audit **all 15** `request.authenticated_userid` sites (7 Python, 8 templates) so none
+  is left comparing an identity to a name. MUST NOT leave any `== 'admin'` behind.
+  Parallelization: Wave 4 | Blocked by: 5, 9 | Blocks: 13
+  References (executor has NO interview context - be exhaustive): `ctp_blogr/services/user.py:26`;
+  `ctp_blogr/views/default.py:93`; `ctp_blogr/templates/layout.jinja2:43` and `:46`;
+  `ctp_blogr/templates/user_edit.jinja2:45`;
+  `ctp_blogr/services/blog_record.py` x3, `ctp_blogr/views/blog.py:64,75`, x2,
+  `ctp_blogr/views/default.py` x2, `templates/layout.jinja2` x4, `templates/blog.jinja2` x2,
+  `templates/home.jinja2` x1, `templates/user_edit.jinja2` x1.
+  Acceptance criteria (agent-executable): `grep -rn "'admin'" ctp_blogr/` returns no authorization
+  comparison; as `phuoc@caotek.fr` the admin navigation item renders and `/users` is reachable; as
+  `ctphuoc@gmail.com` it does not render and `/users` does not contain `users_list`.
+  QA scenarios: happy - both identities see exactly the navigation they should. failure - the
+  non-admin sees no admin-only control in any of the 15 audited sites.
+  Evidence: `<attemptDir>/task-11-google-oauth-migration.<ext>`
+  Commit: N - propose `refactor(auth): replace literal admin checks with effective_principals`.
+
+- [ ] 12. Remove the password surface and fix every template it breaks
+  What to do / Must NOT do: Remove the `password` / `confirm` WTForms fields and the
+  `len(form.password.data) < 6` check, `User.verify_password` / `set_password`, the top-level
+  `import passlib` at `models/user.py:11`, and the `passlib` dependency. Fix every template that
+  renders a removed field, because Jinja2's default `Undefined` raises on attribute access:
+  `user_edit.jinja2:27-28,36-37`. Make `users.jinja2:27` NULL-safe for `last_logged`. Remove the
+  non-admin self-service password path and the admin "Nouvel utilisateur" button. MUST NOT remove
+  `import passlib` last - leaving it breaks the entire app at import time, since the app will not
+  even boot. MUST NOT touch the dead `HistoForm` / `AllocationForm` / `ActifForm` / `Actif2Form`
+  forms or their orphaned `histo` / `allocation` / `actifs` tables.
+  Parallelization: Wave 4 | Blocked by: 6, 10, 11 | Blocks: 13
+  References (executor has NO interview context - be exhaustive): `ctp_blogr/forms.py` (password /
+  confirm fields; plus the dead forms to ignore);
+  `ctp_blogr/models/user.py:11` (import) and `:29` (`last_logged` writer);
+  `ctp_blogr/views/default.py:116-117,127,137,98-102,119-131`;
+  `ctp_blogr/templates/user_edit.jinja2:27-28,36-37`;
+  `ctp_blogr/templates/users.jinja2:27`;
+  `ctp_blogr/templates/login.jinja2` (replaced by a single "Se connecter avec Google" control);
+  `setup.py` (the `passlib` requirement).
+  Acceptance criteria (agent-executable): `grep -rn passlib ctp_blogr/` returns nothing **and**
+  `python -c "from pyramid.paster import get_app; get_app('development.ini')"` still exits 0 (the
+  import-order trap); `GET /users` returns 200 for a row whose `last_logged` is NULL; `GET
+  /user_edit/<email>` returns 200 with no `name="password"` in the HTML; `grep -rn "form.password"
+  ctp_blogr/` returns nothing.
+  QA scenarios: happy - `/users` and `/user_edit/<email>` render clean with no password markup.
+  failure - the NULL-`last_logged` row renders 200; the app boots with `passlib` uninstalled from
+  the source tree.
+  Evidence: `<attemptDir>/task-12-google-oauth-migration.<ext>`
+  Commit: N - propose `refactor(auth): remove password forms and password storage`.
+
+- [ ] 13. Build a new WSGI test harness and the full offline suite
+  What to do / Must NOT do: Build a **new** WSGI test app - the existing `BaseTest` constructs a
+  `testing.DummyRequest`, so WebTest cannot drive it, and `BaseTest.init_database()` is defined but
+  **never called**, so no table is ever created. The harness must create a real router on
+  `sqlite:///:memory:` with `Base.metadata.create_all()`, register the stubbed Google
+  collaborator from todo 7, and disable `pyramid_retry`. Cover the happy path and every failure
+  path in the Acceptance criteria above: unknown email, state mismatch / missing / replay, nonce
+  mismatch, `error=access_denied`, retry-safety call count, the `/user_edit` and `/users`
+  authorization refusals, `POST /blog_edit` not mutating for a non-admin, the NULL-`last_logged`
+  render, and the two legacy duplicate tests. MUST NOT perform network I/O. MUST NOT assert a bare
+  200 as proof of access. Decide explicitly whether the two legacy duplicate tests are kept or
+  deliberately deleted.
+  Parallelization: Wave 5 | Blocked by: 1-12 | Blocks: F1-F4
+  References (executor has NO interview context - be exhaustive): `ctp_blogr/tests.py`
+  (`BaseTest`, `DummyRequest`, the uncalled `init_database`, the two duplicate tests);
+  `pyramid.testing.DummyRequest` for the lighter alternative; `ctp_blogr/models/__init__.py`;
+  the "Testing" section of `AGENTS.md` (pytest.ini sets `testpaths = ctp_blogr` and
+  `python_files = test*.py`, so a new file must be named `test*.py` inside the package).
+  Acceptance criteria (agent-executable): `python -m pytest -q` exits 0 with `0 failed` and an
+  exact reported count, no `no such table` errors, and no outbound socket (assert by blocking
+  `socket.socket` in a fixture); criteria 1-22 from Verification all pass.
+  QA scenarios: happy - the complete sign-in flow passes end to end offline. failure - each of the
+  ten failure criteria fails closed, most importantly that a non-admin cannot reach
+  `/user_edit/<other-email>` and that a replayed `state` never reaches the token endpoint.
+  Evidence: `<attemptDir>/task-13-google-oauth-migration.<ext>`
+  Commit: N - propose `test(auth): cover the Google OAuth flow without network access`.
+
+- [ ] 14. Update `AGENTS.md` so it still describes reality
+  What to do / Must NOT do: Rewrite the "Architecture / wiring" section for the new policy and the
+  settings-based admin list, and correct "Known-broken" for the items this migration resolves: the
+  `delete(...)` `NameError`, the 200-not-403 forbidden behaviour and its `forbidden_view_config`
+  cause, and the auth-ticket secret. Remove the now-false statement that admin is a hardcoded
+  `userid == 'admin'`. MUST NOT invent linting, CI or a task runner, and MUST NOT claim any command
+  was run that was not. Note that coverage is still broken and still must not be trusted.
+  Parallelization: Wave 5 | Blocked by: 13 | Blocks: F1-F4
+  References (executor has NO interview context - be exhaustive): `AGENTS.md` "Architecture /
+  wiring", "Known-broken", "Conventions" and "Testing" sections.
+  Acceptance criteria (agent-executable): `grep -n "AuthTkt" AGENTS.md` returns nothing;
+  `grep -n "userid == 'admin'" AGENTS.md` returns nothing; every command listed in `AGENTS.md`
+  "Commands" still runs as written.
+  QA scenarios: happy - the documented wiring matches the code. failure - a reviewer greps each
+  `AGENTS.md` claim and confirms it against the source.
+  Evidence: `<attemptDir>/task-14-google-oauth-migration.<ext>`
+  Commit: N - propose `docs: update AGENTS.md for the Google OAuth migration`.
+
+## Final verification wave
+> Runs in parallel after ALL todos. ALL must APPROVE. Surface results and wait for the user's explicit okay before declaring complete.
+- [ ] F1. Plan compliance audit - confirm every todo's acceptance criteria and all 22 criteria in
+  Verification were actually executed, with evidence files present.
+- [ ] F2. Code quality review - re-read the diff for the failure modes the gap analysis surfaced:
+  retry replay, stale session values, the `passlib` import order, `UndefinedError` in templates, and
+  any remaining literal identity comparison.
+- [ ] F3. Real manual QA - boot `pserve development.ini`, complete a real Google sign-in end to end
+  in a browser, and smoke all 15 routes asserting **content** rather than bare 200. **Requires the
+  Google Cloud OAuth client and registered redirect URI from the Verification prerequisite; if the
+  user has not provisioned them, report F3 as BLOCKED-ON-USER rather than APPROVE or REJECT.**
+- [ ] F4. Scope fidelity - confirm nothing outside Scope changed: no `pyramid_csrf`, no
+  `pyramid_beaker`, no Alembic, no `hd`, no offline access, no auto sign-up, no new tooling, and no
+  change to the out-of-scope items (post id 95, `Query.get()`, `routes.py:5`, `declarative_base`,
+  the dead forms, the draft-leak filters).
+
+## Commit strategy
+The pre-existing history is two commits on `master` - `411ca8d "Inital commit since swicthing to
+python 3.14"` followed by `ea830da "opencode /init done"`; `main` and `origin/*` point at the same
+tip and the branch choice is **unsettled**. Per todo 2, an explicit branch decision is a
+prerequisite and no branch is created, no push is made, and nothing is committed unless the user
+asks - `AGENTS.md` states "Commit only when asked".
+
+Suggested messages, matching the repo's terse existing style:
+- `feat(deps): add authlib for Google OAuth`
+- `fix(auth): harden and configure the signed session cookie`
+- `feat(auth): add Google OAuth and admin email settings`
+- `refactor(auth): swap AuthTkt for SessionAuthenticationPolicy`
+- `feat(db): migrate users to Google identity and widen entry authors`
+- `feat(auth): add Google OAuth client with state, PKCE and nonce`
+- `feat(auth): add authorize and callback views`
+- `feat(auth): gate sign-in on a database allowlist`
+- `fix(auth): require manage on user_edit and fix user deletion`
+- `refactor(auth): replace literal admin checks with effective_principals`
+- `refactor(auth): remove password forms and password storage`
+- `test(auth): cover the Google OAuth flow without network access`
+- `docs: update AGENTS.md for the Google OAuth migration`
+
+**Restore path for `ctp_blogr.sqlite`** (established in todo 2, required before todo 6):
+`<backup path from todo 2>` restores the pre-migration database, and
+`git checkout -- ctp_blogr.sqlite` restores the committed version. The database diff is a real
+tracked change and must be inspected before any commit.
+
+## Success criteria
+- Signing in with `phuoc@caotek.fr` yields a session whose `authenticated_userid` is that email
+  and which carries the `group:administrators` principal; the `/users` page is reachable.
+- Signing in with `ctphuoc@gmail.com` yields a session WITHOUT `manage`; `/users` does not expose
+  the user list.
+- Signing in with any other Google account produces an explicit **403** with a French message and
+  **no** password input on the page, creates no database row, and makes no group lookup.
+- The password column, passlib, the password form fields, and the local login form are gone from
+  the codebase; no route, template or form field still references them, and the app still boots.
+- No source line compares an identity to the literal `'admin'`; the admin mapping is the
+  `auth.admin_emails` setting.
+- No session key matching `state|code_verifier|nonce` survives a completed sign-in.
+- A replayed or mismatched `state`, and a mismatched `nonce`, each reach the token endpoint zero
+  times and leave no session identity.
+- `python -m pytest` passes with the new tests, no test performs network I/O, and no test asserts a
+  bare 200 as proof of access.
+- `pserve development.ini` serves `/`, and `/login` presents a single "Se connecter avec Google"
+  control instead of a credential form.
+- `AGENTS.md` is updated: its "Architecture / wiring" and "Known-broken" sections still describe
+  reality after the migration (it currently documents the AuthTkt + groupfinder wiring, the
+  200-not-403 behaviour, and the `delete(...)` NameError that this plan fixes).
\ No newline at end of file
diff --git a/.omo/run-continuation/ses_ef31b5205ffeymj770ZKgYuoTc.json b/.omo/run-continuation/ses_ef31b5205ffeymj770ZKgYuoTc.json
new file mode 100644
index 0000000..9f69924
--- /dev/null
+++ b/.omo/run-continuation/ses_ef31b5205ffeymj770ZKgYuoTc.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef31b5205ffeymj770ZKgYuoTc",
+  "updatedAt": "2026-10-05T16:31:35.122Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T16:31:35.122Z"
+    }
+  }
+}
\ No newline at end of file
diff --git a/.omo/run-continuation/ses_ef3219eb7ffePWI4IWUtfFaPlU.json b/.omo/run-continuation/ses_ef3219eb7ffePWI4IWUtfFaPlU.json
new file mode 100644
index 0000000..81608ca
--- /dev/null
+++ b/.omo/run-continuation/ses_ef3219eb7ffePWI4IWUtfFaPlU.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef3219eb7ffePWI4IWUtfFaPlU",
+  "updatedAt": "2026-10-05T16:21:03.078Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T16:21:03.078Z"
+    }
+  }
+}
\ No newline at end of file
diff --git a/.omo/run-continuation/ses_ef321a66affe36l5vcF1NcjeSd.json b/.omo/run-continuation/ses_ef321a66affe36l5vcF1NcjeSd.json
new file mode 100644
index 0000000..2d35c81
--- /dev/null
+++ b/.omo/run-continuation/ses_ef321a66affe36l5vcF1NcjeSd.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef321a66affe36l5vcF1NcjeSd",
+  "updatedAt": "2026-10-05T16:21:02.917Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T16:21:02.917Z"
+    }
+  }
+}
\ No newline at end of file
diff --git a/.omo/run-continuation/ses_ef32981bfffeFV05lbZn2tbpAi.json b/.omo/run-continuation/ses_ef32981bfffeFV05lbZn2tbpAi.json
new file mode 100644
index 0000000..7cd6b5a
--- /dev/null
+++ b/.omo/run-continuation/ses_ef32981bfffeFV05lbZn2tbpAi.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef32981bfffeFV05lbZn2tbpAi",
+  "updatedAt": "2026-10-05T16:12:26.203Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T16:12:26.203Z"
+    }
+  }
+}
\ No newline at end of file
diff --git a/.omo/run-continuation/ses_ef329bb8bffegs5WbAj1bICg36.json b/.omo/run-continuation/ses_ef329bb8bffegs5WbAj1bICg36.json
new file mode 100644
index 0000000..904a58e
--- /dev/null
+++ b/.omo/run-continuation/ses_ef329bb8bffegs5WbAj1bICg36.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef329bb8bffegs5WbAj1bICg36",
+  "updatedAt": "2026-10-05T16:12:11.540Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T16:12:11.540Z"
+    }
+  }
+}
\ No newline at end of file
diff --git a/.omo/run-continuation/ses_ef329bbbbffe2WXsJlnJaJuNcT.json b/.omo/run-continuation/ses_ef329bbbbffe2WXsJlnJaJuNcT.json
new file mode 100644
index 0000000..fb524f8
--- /dev/null
+++ b/.omo/run-continuation/ses_ef329bbbbffe2WXsJlnJaJuNcT.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef329bbbbffe2WXsJlnJaJuNcT",
+  "updatedAt": "2026-10-05T16:12:11.409Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T16:12:11.409Z"
+    }
+  }
+}
\ No newline at end of file
diff --git a/.omo/run-continuation/ses_ef32a3e79ffe3QmNXbLnmZFEnx.json b/.omo/run-continuation/ses_ef32a3e79ffe3QmNXbLnmZFEnx.json
new file mode 100644
index 0000000..cb3acda
--- /dev/null
+++ b/.omo/run-continuation/ses_ef32a3e79ffe3QmNXbLnmZFEnx.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef32a3e79ffe3QmNXbLnmZFEnx",
+  "updatedAt": "2026-10-05T16:20:34.354Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T16:20:34.354Z"
+    }
+  }
+}
\ No newline at end of file
diff --git a/.omo/run-continuation/ses_ef34f552dffeM282xuKssUUXKU.json b/.omo/run-continuation/ses_ef34f552dffeM282xuKssUUXKU.json
new file mode 100644
index 0000000..2983383
--- /dev/null
+++ b/.omo/run-continuation/ses_ef34f552dffeM282xuKssUUXKU.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef34f552dffeM282xuKssUUXKU",
+  "updatedAt": "2026-10-05T15:50:55.988Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T15:50:55.988Z"
+    }
+  }
+}
\ No newline at end of file
diff --git a/.omo/run-continuation/ses_ef35b96afffeXrpuxFC0wrkThx.json b/.omo/run-continuation/ses_ef35b96afffeXrpuxFC0wrkThx.json
new file mode 100644
index 0000000..db95ba8
--- /dev/null
+++ b/.omo/run-continuation/ses_ef35b96afffeXrpuxFC0wrkThx.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef35b96afffeXrpuxFC0wrkThx",
+  "updatedAt": "2026-10-05T15:17:44.049Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T15:17:44.049Z"
+    }
+  }
+}
\ No newline at end of file
diff --git a/.omo/run-continuation/ses_ef35b9e91ffeI6ETz99g3s2EtG.json b/.omo/run-continuation/ses_ef35b9e91ffeI6ETz99g3s2EtG.json
new file mode 100644
index 0000000..f32001a
--- /dev/null
+++ b/.omo/run-continuation/ses_ef35b9e91ffeI6ETz99g3s2EtG.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef35b9e91ffeI6ETz99g3s2EtG",
+  "updatedAt": "2026-10-05T15:17:43.882Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T15:17:43.882Z"
+    }
+  }
+}
\ No newline at end of file
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new file mode 100644
index 0000000..dd7150b
--- /dev/null
+++ b/.omo/run-continuation/ses_ef35bb608ffeKyWw3wwjhCC0Sh.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef35bb608ffeKyWw3wwjhCC0Sh",
+  "updatedAt": "2026-10-05T15:18:49.679Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T15:18:49.679Z"
+    }
+  }
+}
\ No newline at end of file
diff --git a/.omo/run-continuation/ses_ef35bd8c1ffe6WiC2nJ3gkUtPr.json b/.omo/run-continuation/ses_ef35bd8c1ffe6WiC2nJ3gkUtPr.json
new file mode 100644
index 0000000..00ac51e
--- /dev/null
+++ b/.omo/run-continuation/ses_ef35bd8c1ffe6WiC2nJ3gkUtPr.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef35bd8c1ffe6WiC2nJ3gkUtPr",
+  "updatedAt": "2026-10-05T15:18:41.859Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T15:18:41.859Z"
+    }
+  }
+}
\ No newline at end of file
diff --git a/.omo/run-continuation/ses_ef37a9a1affeH7gOLSk7lZSu03.json b/.omo/run-continuation/ses_ef37a9a1affeH7gOLSk7lZSu03.json
new file mode 100644
index 0000000..f81d988
--- /dev/null
+++ b/.omo/run-continuation/ses_ef37a9a1affeH7gOLSk7lZSu03.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef37a9a1affeH7gOLSk7lZSu03",
+  "updatedAt": "2026-10-05T16:33:15.784Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T16:33:15.784Z"
+    }
+  }
+}
\ No newline at end of file
diff --git a/.omo/run-continuation/ses_ef39729efffeOKFGZ0HHraXRSX.json b/.omo/run-continuation/ses_ef39729efffeOKFGZ0HHraXRSX.json
new file mode 100644
index 0000000..4abe6a3
--- /dev/null
+++ b/.omo/run-continuation/ses_ef39729efffeOKFGZ0HHraXRSX.json
@@ -0,0 +1,10 @@
+{
+  "sessionID": "ses_ef39729efffeOKFGZ0HHraXRSX",
+  "updatedAt": "2026-10-05T14:26:21.040Z",
+  "sources": {
+    "background-task": {
+      "state": "idle",
+      "updatedAt": "2026-10-05T14:26:21.040Z"
+    }
+  }
+}
\ No newline at end of file