Merge pull request 'AGPL-3.0, SECURITY and CONTRIBUTING; the install path pulls :latest, not :dev' (#244) from dev into main

CONTRIBUTING.md

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+# Contributing
+
+FabledCurator is developed by a single maintainer for their own use, and
+published because it may be useful to others. That shapes what contribution
+looks like here.
+
+**Issues are welcome** — bug reports, and questions about running it, are
+genuinely useful and often the fastest way to find out that something is
+broken outside the one environment it was built in.
+
+**Open an issue before writing a pull request.** Not as a formality: the
+project has opinions that are not obvious from the code, and it is unpleasant
+for everyone when a finished patch turns out to conflict with one. A short
+issue first costs you nothing and may save you an evening.
+
+**Contributions are licensed under the AGPL-3.0**, like the rest of the
+project. By submitting one you agree it ships under that licence. There is no
+CLA and no copyright assignment.
+
+## Running it for development
+
+```bash
+docker compose up -d          # UI on http://localhost:8080
+```
+
+The dev override (`docker-compose.override.yml`) is auto-merged and builds the
+app images locally from source, so this needs no `.env` and no registry
+access. Postgres and Redis ports are exposed on the host.
+
+## What CI checks
+
+Every push runs these, and they are the definition of done for a change:
+
+```bash
+ruff check backend/ tests/ alembic/ agent/ scripts/   # lint (and import order)
+pytest tests/ -m "not integration"                    # backend unit tests
+pytest tests/ -m integration                          # needs pgvector + redis
+cd frontend && npm run test:unit && npm run build     # frontend
+```
+
+The integration lane builds its schema by running the real migrations
+(`alembic upgrade head`), never from ORM metadata — so a migration that does
+not apply cleanly fails CI rather than being discovered later.
+
+Note for the linter: ruff's isort runs with `order-by-type`, which sorts
+ALL-CAPS names ahead of CamelCase. `from sqlalchemy import JSON, DateTime, ...`
+is correct; putting `JSON` alphabetically between `Integer` and `String` is
+not. This catches people out.
+
+## Database changes
+
+The ORM models and the migration chain must agree. This is enforced, and it is
+enforced because they silently diverged for a long time and nobody noticed
+until they were compared: the models were missing indexes, defaults and
+uniqueness guarantees that only ever existed inside a migration, which made
+`alembic revision --autogenerate` actively unsafe to run.
+
+So: if you change a model, write the migration; if you write a migration,
+change the model to match. Both, in the same commit.
+
+Adding a value to a CHECK-constrained column means swapping the constraint in
+the same change — the constraint is not documentation, and a new value without
+it fails at insert time.
+
+## Branch model
+
+`dev` is where work happens. `main` is production and is only reached by a
+merge from `dev`, never pushed to directly. If you are sending a pull request,
+target `dev`.
+
+## Style
+
+Match the surrounding code. The one convention worth stating explicitly is
+that comments here explain *why*, especially where a choice looks wrong at a
+glance — a comment recording which migration a constraint came from, or why a
+default is a `text()` rather than a string, is the kind that has repeatedly
+turned out to be worth its space.

LICENSE

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+                    GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
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+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Remote Network Interaction; Use with the GNU General Public License.
+
+  Notwithstanding any other provision of this License, if you modify the
+Program, your modified version must prominently offer all users
+interacting with it remotely through a computer network (if your version
+supports such interaction) an opportunity to receive the Corresponding
+Source of your version by providing access to the Corresponding Source
+from a network server at no charge, through some standard or customary
+means of facilitating copying of software.  This Corresponding Source
+shall include the Corresponding Source for any work covered by version 3
+of the GNU General Public License that is incorporated pursuant to the
+following paragraph.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the work with which it is combined will remain governed by version
+3 of the GNU General Public License.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU Affero General Public License from time to time.  Such new versions
+will be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU Affero General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU Affero General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU Affero General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source.  For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code.  There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<https://www.gnu.org/licenses/>.

README.md

@@ -69,9 +69,19 @@ or a `.env` file (see `.env.example` for the variable names) and use:
 
 ```bash
 docker compose -f docker-compose.yml up -d
-# (skips the override so containers pull registry images)
+# (skips the dev override, so containers pull published :latest images)
 ```
 
+`-f` is doing real work there: it tells Compose to use *only* that file, which
+skips `docker-compose.override.yml` and its local builds. What you get is the
+`:latest` images — the stable channel, built from `main`. This is the install
+path, and it is the one to use if you are running FabledCurator rather than
+working on it.
+
+`:dev` is the other channel: rebuilt from the `dev` branch several times a day,
+bleeding edge, no stability promise. Nothing in this repo points an installer at
+it, and nothing should.
+
 The GPU agent is deployed separately, on the machine with the card —
 `agent/docker-compose.yml`, not this stack.
 
@@ -110,4 +120,18 @@ version.
 
 ## License
 
-Personal project; use at your own discretion.
+**GNU Affero General Public License v3.0** — see [LICENSE](LICENSE).
+
+You may run, study, modify and redistribute this software. The condition is
+reciprocity: if you distribute a modified version, or **run one as a network
+service that other people use**, you must offer those users the corresponding
+source under the same licence. That second clause (AGPL §13) is the reason this
+licence rather than the GPL — for a self-hosted web application, "distribution"
+otherwise never happens, and the obligation would never bite.
+
+Running an unmodified copy for yourself, your household or your organisation
+carries no obligation at all. Neither does modifying it privately. The licence
+asks something of you only when you hand your modified version to others.
+
+Contributions ship under the same licence — see [CONTRIBUTING](CONTRIBUTING.md).
+Security reports: [SECURITY.md](SECURITY.md).

SECURITY.md

@@ -0,0 +1,63 @@
+# Security Policy
+
+## Reporting a vulnerability
+
+**Please do not put vulnerability details in a public issue.**
+
+This project has no private disclosure channel yet. Until it does, open an
+issue on the repository that says only that you have a security report — no
+reproduction steps, no affected endpoint, no payload — and a maintainer will
+reply with a private contact to send the details to.
+
+That is a deliberately awkward first step, and it exists because the
+alternative is worse: an issue tracker is public the moment it is written to,
+and every self-hosted instance stays vulnerable until its operator has had a
+chance to update.
+
+Please include, once you have a private channel:
+
+- what an attacker can do, and what access they need to start
+- the version or commit you tested
+- reproduction steps
+
+## Scope — what this software actually handles
+
+FabledCurator is self-hosted and holds things worth stating plainly, because
+they shape what counts as a serious bug here:
+
+- **Platform credentials.** The app captures and stores session cookies for
+  third-party subscription sites (Patreon, SubscribeStar, Pixiv) so it can
+  download on the operator's behalf. These are live credentials for accounts
+  that usually carry a payment method. Anything that discloses them, decrypts
+  them, or lets one user of a shared instance read another's is high severity.
+- **An extension API key.** The Firefox extension authenticates to the backend
+  with a shared key. Anything that leaks it or lets it be bypassed is a way in.
+- **A multi-user sharing ACL.** Instances can be shared. A bug that lets one
+  account see content another has not shared is an access-control failure, not
+  a cosmetic one.
+- **Arbitrary media from the internet.** Downloaded files are decoded, hashed,
+  thumbnailed and fed to ML models. Anything that turns a hostile file into
+  code execution is in scope.
+
+## Deployment posture — read this before reporting
+
+FabledCurator is designed to run **inside a private network, over plain HTTP**.
+It does not terminate TLS, redirect to HTTPS, or set HSTS; if you want
+transport security, terminate it at your reverse proxy. This is a documented
+design decision, not an oversight.
+
+Reports that reduce to "the application is served over HTTP" or "there is no
+HSTS header" describe that decision rather than a vulnerability. Reports that
+an authenticated operator can cause the software to do something destructive
+are usually also by design — the operator is the administrator of their own
+instance.
+
+What remains in scope is everything that crosses a boundary the software is
+supposed to hold: between one user and another, between an unauthenticated
+visitor and any of it, and between untrusted downloaded content and the host.
+
+## Supported versions
+
+Fixes land on the `main` branch and reach the `:latest` image. There are no
+maintained release branches — the supported version is the current one, and
+the remedy for a security issue is to update.

docker-compose.yml

@@ -74,7 +74,25 @@ services:
       retries: 5
 
   web:
-    image: git.fabledsword.com/bvandeusen/fabledcurator:dev
+    # :latest, NOT :dev — this file IS the install path.
+    #
+    # `docker compose up -d` merges docker-compose.override.yml, which sets
+    # build: for all five app services, and a build: wins over image:. So a
+    # contributor never pulls this tag and is unaffected by what it says.
+    #
+    # The tag is consulted only on `docker compose -f docker-compose.yml up -d`
+    # — the documented production path, which skips the override. That is a
+    # stranger installing the product, and they must land on the stable channel.
+    #
+    # :latest is main, which IS production (rule 147). :dev is the rolling
+    # bleeding-edge channel we work out of, republished several times a day with
+    # no stability promise. This file pinned :dev on all five services until
+    # 2026-08-31 (#3270), so the documented install shipped development builds.
+    # It went unnoticed because nobody who works on the project takes this path:
+    # the operator deploys from a swarm stack file, contributors get the
+    # override. Do not "fix" this back to :dev while debugging — use the
+    # override, or -f with an explicit tag on the command line.
+    image: git.fabledsword.com/bvandeusen/fabledcurator:latest
     command: ["web"]
     # Graceful shutdown: give the container time to drain in-flight work on a
     # deploy (docker SIGTERMs, then SIGKILLs after this window — default is only
@@ -122,7 +140,7 @@ services:
       redis:    { condition: service_healthy }
 
   worker:
-    image: git.fabledsword.com/bvandeusen/fabledcurator:dev
+    image: git.fabledsword.com/bvandeusen/fabledcurator:latest
     command: ["worker"]
     # Drain in-flight import/thumbnail/download tasks before SIGKILL on deploy.
     stop_grace_period: 90s
@@ -142,7 +160,7 @@ services:
       redis:    { condition: service_healthy }
 
   scheduler:
-    image: git.fabledsword.com/bvandeusen/fabledcurator:dev
+    image: git.fabledsword.com/bvandeusen/fabledcurator:latest
     command: ["scheduler"]
     # Quick maintenance/scan lane + beat — short tasks, modest drain window.
     stop_grace_period: 60s
@@ -163,7 +181,7 @@ services:
   # 30-min backup or a multi-chunk audit can never starve the 5-min recovery
   # sweeps / vacuum (operator-flagged 2026-06-07). One slot — these are heavy.
   maintenance-long:
-    image: git.fabledsword.com/bvandeusen/fabledcurator:dev
+    image: git.fabledsword.com/bvandeusen/fabledcurator:latest
     command: ["worker"]
     # Longest lane (DB backups, library audits, translation backfill) — give it
     # the most room to finish a chunk gracefully. Chunked + idempotent, so a job
@@ -184,7 +202,7 @@ services:
       redis:    { condition: service_healthy }
 
   ml-worker:
-    image: git.fabledsword.com/bvandeusen/fabledcurator-ml:dev
+    image: git.fabledsword.com/bvandeusen/fabledcurator-ml:latest
     command: ["ml-worker"]
     # A single GPU inference pass can run tens of seconds — let it finish.
     stop_grace_period: 120s