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docs: licences and how to contribute The app and the client package are under AGPL-3.0-or-later, the server under SSPL-1.0, as decided for before the first publish: the server builds on Serverpod's core, which is SSPL, while the app links only BSD-3 packages and the client is generated from our own models. "Or later" keeps the code compatible with future AGPL versions without asking every contributor. Each package carries the official text in its LICENSE (from gnu.org and the SPDX licence data) and a notice in its README; LICENSE.md explains the split and covers the files outside the packages. CONTRIBUTING.md: contributions come under the licence of the package they change, with no copyright assignment; every commit carries a Signed-off-by certifying the Developer Certificate of Origin, quoted verbatim; tool/check.sh runs before pushes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-09-30 12:35:46 +02:00
# Licences
docs: one repository for every app and shared package (ADR 0015) The root AGENTS.md holds what applies to every app and package (how work is done, Serverpod, checks with Melos and the tools, CI); Learn's own is apps/learn/AGENTS.md, Todo's a note that it is still the scaffold. The root README introduces the project, Learn's moves to its folder; LICENSE.md says which licence covers which directory, Todo's packages unlicensed until decided; one CONTRIBUTING.md. ADR 0015 records the decision; ADR 0014 and 0003 note what moved. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-19 20:39:09 +02:00
The repository's packages carry different licences, each package's full text in its
`LICENSE` file:
docs: licences and how to contribute The app and the client package are under AGPL-3.0-or-later, the server under SSPL-1.0, as decided for before the first publish: the server builds on Serverpod's core, which is SSPL, while the app links only BSD-3 packages and the client is generated from our own models. "Or later" keeps the code compatible with future AGPL versions without asking every contributor. Each package carries the official text in its LICENSE (from gnu.org and the SPDX licence data) and a notice in its README; LICENSE.md explains the split and covers the files outside the packages. CONTRIBUTING.md: contributions come under the licence of the package they change, with no copyright assignment; every commit carries a Signed-off-by certifying the Developer Certificate of Origin, quoted verbatim; tool/check.sh runs before pushes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-09-30 12:35:46 +02:00
| Package | Licence | SPDX |
|---|---|---|
docs: one repository for every app and shared package (ADR 0015) The root AGENTS.md holds what applies to every app and package (how work is done, Serverpod, checks with Melos and the tools, CI); Learn's own is apps/learn/AGENTS.md, Todo's a note that it is still the scaffold. The root README introduces the project, Learn's moves to its folder; LICENSE.md says which licence covers which directory, Todo's packages unlicensed until decided; one CONTRIBUTING.md. ADR 0015 records the decision; ADR 0014 and 0003 note what moved. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-19 20:39:09 +02:00
| `apps/learn/halkyon_learn_flutter`, Learn's app | GNU Affero General Public License, version 3 or any later version | `AGPL-3.0-or-later` |
| `apps/learn/halkyon_learn_client`, generated from Learn's models | GNU Affero General Public License, version 3 or any later version | `AGPL-3.0-or-later` |
| `apps/learn/halkyon_learn_server` | Server Side Public License, version 1 | `SSPL-1.0` |
| `apps/learn/halkyon_learn_curator`, turning dictionary downloads into dictionary files | GNU Affero General Public License, version 3 or any later version | `AGPL-3.0-or-later` |
| `packages/halkyon_base_server`, the Serverpod module every Halkyon server includes | Server Side Public License, version 1 | `SSPL-1.0` |
feat(crypto): SRP-6a, the register's half and the device's ADR 0017's step 1. Generic over group and hash (SrpGroup); production takes RFC 5054's 3072-bit group with SHA-256. k = H(N | PAD(g)), u = H(PAD(A) | PAD(B)), K = H(PAD(S)), M1 = H(H(N) xor H(g) | H(I) | s | PAD(A) | PAD(B) | K), M2 = H(PAD(A) | M1 | K). A and B must lie in 1..N-1 and u must not be 0; a and b are 256 bits from Random.secure(); proofs are compared in constant time. x comes from the caller (halkyon_keys makes it); RFC 5054's own x is there for the vectors only. - The register's half in halkyon_base_server (base.dart: srpChallenge, srpVerify), the device's written by hand in halkyon_base_client (srp.dart: SrpClient, srpVerifier). Serverpod's generator cleans and writes only a client's lib/src/protocol/ (serverpod_cli 4.0.4's _getDirectoriesRequiringCleaning; a generate leaves srp/ untouched). - Tests: RFC 5054 Appendix B on both halves; the client against the register, succeeding and every refusal. - The module's tests depend on its client, and pub resolves every member's dev dependencies, so Learn's server image takes the module's client into its workspace too. - The format check covers the hand-written half. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-20 12:01:52 +02:00
| `packages/halkyon_base_client`, generated from the module's models, with SRP's client half | GNU Affero General Public License, version 3 or any later version | `AGPL-3.0-or-later` |
docs: one repository for every app and shared package (ADR 0015) The root AGENTS.md holds what applies to every app and package (how work is done, Serverpod, checks with Melos and the tools, CI); Learn's own is apps/learn/AGENTS.md, Todo's a note that it is still the scaffold. The root README introduces the project, Learn's moves to its folder; LICENSE.md says which licence covers which directory, Todo's packages unlicensed until decided; one CONTRIBUTING.md. ADR 0015 records the decision; ADR 0014 and 0003 note what moved. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-19 20:39:09 +02:00
| `packages/halkyon_app`, `packages/halkyon_ui` | GNU Affero General Public License, version 3 or any later version | `AGPL-3.0-or-later` |
docs(todo): what Todo is now, and its licences Todo's packages are licensed as Learn's (decided 2026-10-19): the server under the SSPL, the client and the app under the AGPL. Its AGENTS.md and READMEs describe the shell it is now; the root's README, lint note and licence table follow. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-19 21:56:12 +02:00
| `packages/halkyon_core`, `packages/halkyon_interop` | GNU Affero General Public License, version 3 or any later version, as halkyon_shared, where they began, licensed them | `AGPL-3.0-or-later` |
| `apps/todo/halkyon_todo_flutter`, Todo's app | GNU Affero General Public License, version 3 or any later version | `AGPL-3.0-or-later` |
| `apps/todo/halkyon_todo_client`, generated from Todo's models | GNU Affero General Public License, version 3 or any later version | `AGPL-3.0-or-later` |
| `apps/todo/halkyon_todo_server` | Server Side Public License, version 1 (decided 2026-10-19, as Learn's) | `SSPL-1.0` |
docs: licences and how to contribute The app and the client package are under AGPL-3.0-or-later, the server under SSPL-1.0, as decided for before the first publish: the server builds on Serverpod's core, which is SSPL, while the app links only BSD-3 packages and the client is generated from our own models. "Or later" keeps the code compatible with future AGPL versions without asking every contributor. Each package carries the official text in its LICENSE (from gnu.org and the SPDX licence data) and a notice in its README; LICENSE.md explains the split and covers the files outside the packages. CONTRIBUTING.md: contributions come under the licence of the package they change, with no copyright assignment; every commit carries a Signed-off-by certifying the Developer Certificate of Origin, quoted verbatim; tool/check.sh runs before pushes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-09-30 12:35:46 +02:00
docs: one repository for every app and shared package (ADR 0015) The root AGENTS.md holds what applies to every app and package (how work is done, Serverpod, checks with Melos and the tools, CI); Learn's own is apps/learn/AGENTS.md, Todo's a note that it is still the scaffold. The root README introduces the project, Learn's moves to its folder; LICENSE.md says which licence covers which directory, Todo's packages unlicensed until decided; one CONTRIBUTING.md. ADR 0015 records the decision; ADR 0014 and 0003 note what moved. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-19 20:39:09 +02:00
The servers and the module build on Serverpod's core, which is under the SSPL, and so are
under it too. The apps and the shared Flutter packages link only permissively licensed
docs(todo): what Todo is now, and its licences Todo's packages are licensed as Learn's (decided 2026-10-19): the server under the SSPL, the client and the app under the AGPL. Its AGENTS.md and READMEs describe the shell it is now; the root's README, lint note and licence table follow. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-19 21:56:12 +02:00
packages (Todo's icon is Lucide's, under the ISC licence, whose notice the app registers), and the client packages are generated from our own model definitions, so all of
docs: one repository for every app and shared package (ADR 0015) The root AGENTS.md holds what applies to every app and package (how work is done, Serverpod, checks with Melos and the tools, CI); Learn's own is apps/learn/AGENTS.md, Todo's a note that it is still the scaffold. The root README introduces the project, Learn's moves to its folder; LICENSE.md says which licence covers which directory, Todo's packages unlicensed until decided; one CONTRIBUTING.md. ADR 0015 records the decision; ADR 0014 and 0003 note what moved. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-19 20:39:09 +02:00
them are under the AGPL. The curator depends on neither a server nor Serverpod: Learn's
server reads the files it writes, never its code.
docs: licences and how to contribute The app and the client package are under AGPL-3.0-or-later, the server under SSPL-1.0, as decided for before the first publish: the server builds on Serverpod's core, which is SSPL, while the app links only BSD-3 packages and the client is generated from our own models. "Or later" keeps the code compatible with future AGPL versions without asking every contributor. Each package carries the official text in its LICENSE (from gnu.org and the SPDX licence data) and a notice in its README; LICENSE.md explains the split and covers the files outside the packages. CONTRIBUTING.md: contributions come under the licence of the package they change, with no copyright assignment; every commit carries a Signed-off-by certifying the Developer Certificate of Origin, quoted verbatim; tool/check.sh runs before pushes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-09-30 12:35:46 +02:00
Everything else in this repository (tooling, documentation, deployment files) is under
`AGPL-3.0-or-later` unless a file says otherwise.
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