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license: 明确内核 AGPL / SDK MIT 的边界（插件不受 AGPL 传染）

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SDK 仓改为 MIT（同批提交 e97cafc）后，核心仓几处「插件静态链接 SDK 故须同许可」
的论述不再成立，一并更正。

## 边界（现在写清楚了）

- **AGPL-3.0-only 覆盖内核与随包内置插件**：homed、internal/、internal/plugins/
  下 18 个内置插件。§13 网络条款照旧适用。
- **MIT 覆盖公开 SDK**：sdk/ 零外部依赖、只依赖 Go 标准库，不引用内核任何代码。
- 因此**外部插件不是本项目的衍生作品**，作者可自行选择许可（含闭源、商业、
  私有），既不必同许可、也不受 §13 约束。

## 改动

- README.md / README_EN.md「许可」章节：改写静态链接那段，写明上述边界与理由
  （决定许可的是被链接的 SDK 代码，而它是 MIT；子进程隔离不再是关键论点）
- README.md / README_EN.md changelog：**按本仓惯例保留历史原文**，在既有更正
  注记区追加一条「许可口径已变更（2026-09-24）」，而不是去改写 v1.2.0 的原文
  —— 避免伪造当时的语境
- site/index.html footer：状态栏拆成「内核许可：AGPL-3.0-only」+「插件 SDK：MIT」
  两行；声明区分「AGPL（内核与其内置插件）」与「SDK 以 MIT 发布，插件不受传染」
- .gitignore：example/ 注释里的计数 20 → 21（实际 10 个示例 ×2 + qq/plugin_test.go；
  规则本身与「有意保留」的说明不变）

验证：go build ./internal/meta/ ./internal/agent/core/ 通过；官网 1440px 无横向溢出、
无控制台错误，footer 许可两行正确渲染（/tmp/lic-footer.png）。
This commit is contained in:
JianFeeeee
2026-09-24 10:55:23 +08:00
parent 11144c62b5
commit 4f3de61d8f
5 changed files with 60 additions and 669 deletions
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3
.gitignore vendored
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@ -26,7 +26,8 @@ cmd/gui/dist/
#
# 外部插件与工具链维护在独立 SDK 仓（决策 sdk_repo_only），
# 本仓经 go.mod 的 replace => ./third_party/homeagent-sdk 引用。
# example/ 下已跟踪的 20 个文件（plg.json + plugin.go）早于本规则，
# example/ 下已跟踪的 21 个文件（10 个示例的 plg.json + plugin.go，
# 加 qq/plugin_test.go）早于本规则，
# 靠「已跟踪文件不受 .gitignore 影响」保留——这是有意的，不要「修」。
third_party/homeagent-sdk/bin/
third_party/homeagent-sdk/tools/

15
README.md
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@ -257,6 +257,11 @@ internal/
> 以下历史条目保留原文以呈现演进，其中两条机制**已在 v1.2.0 移除**：
> 「媒体以 `[<mime> <短digest>] <描述>` 标记参与检索」（描述式索引）与「媒体引用计数式 GC」。
>
> 另有**一处许可口径已变更**（2026-09-24）：上面 v1.2.0 条目里的「插件静态链接 SDK 故须同许可」
> **自今日起不成立**。SDK 改以 **MIT** 发布（宽松许可，不继承内核的 AGPL），故外部插件**不是**
> 本项目的衍生作品，作者可自行选择许可（含闭源、商业、私有），亦不受 §13 网络条款约束。
> 原文保留以呈现当时的口径。
>
> 另有**两项性能断言的量纲需要更正**（2026-09-20 实测）：
> 「崩溃到恢复 <1s」不成立 —— 崩溃后是**线性退避重启**，即 1s / 2s / 3s（`procRestartBackoff=1s × 第 n 次`），
> 首次重启就要等 1s。且 5 分钟窗口内第 **4** 次崩溃即停止自动重启待人工介入（`procMaxRestarts=3`，判定为 `n > 3`）。
@ -323,8 +328,14 @@ make install # 安装到系统
**通过网络提供服务时也要向使用者提供源码**（§13 Remote Network Interaction）。
即：任何人把改过的 HomeAgent 对外提供网络服务，都必须让该服务的使用者拿到改动后的源码。
插件与本项目通过公开 SDK **静态链接**（SDK 源码会进入插件二进制），因此插件是本项目的
衍生作品，需以相同许可发布；子进程隔离不改变这一点，因为被链接的是 SDK 代码本身。
插件与本项目通过公开 [homeagent-sdk](https://gitcode.com/JianFeeeee/homeagent-sdk) 静态链接
（SDK 源码会进入插件二进制），但那个仓**以 MIT 发布**——MIT 是宽松许可，拿到授权的代码不继承
本项目的 AGPL。因此**外部插件不是本项目的衍生作品**，作者可自行选择许可（含闭源、商业、私有），
既不必同许可、也不受 §13 网络条款约束。第三方插件生态的安全与活跃正建立在这条之上。
边界很清楚：**AGPL 覆盖内核与随包内置插件**（`homed`、`internal/`、`internal/plugins/` 下 18 个内置插件）；
**MIT 覆盖公开 SDK**（`sdk/`，`go.mod` 零外部依赖、只依赖 Go 标准库，不引用内核任何代码）。
子进程隔离在这里不重要了——决定许可的是被链接的 SDK 代码本身，而它是 MIT。
### 随包分发的第三方组件

22
README_EN.md
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@ -264,6 +264,12 @@ External plugin development: see [homeagent-sdk](https://gitcode.com/JianFeeeee/
> The historical entries below are kept verbatim to show the evolution; two mechanisms in them
> were **removed in v1.2.0**: text-description-based media indexing, and reference-counted media GC.
>
> **One licensing statement has also changed** (2026-09-24): "statically linked plugins must match"
> in the v1.2.0 entry below **no longer holds**. The SDK is now released under **MIT** (a permissive
> license that does not inherit the kernel's AGPL), so external plugins are **not** derivative works
> of this project: authors choose their own license (closed-source, commercial or private included)
> and are not bound by §13. The original text is kept to show the position at the time.
>
> **Two performance claims also need correcting** (measured 2026-09-20):
> "crash-to-recovery under 1s" does not hold — restarts are **linearly backed off**, i.e.
> 1s / 2s / 3s (`procRestartBackoff=1s × nth crash`). Even the *first* restart waits 1s.
@ -353,9 +359,19 @@ source when you distribute the software, **you must also offer the source to use
with it over a network** (§13, Remote Network Interaction). Anyone running a modified HomeAgent
as a network service therefore has to make the modified source available to that service's users.
Plugins are **statically linked** against this project through the public SDK (the SDK source
ends up inside the plugin binary), so plugins are derivative works and must be released under
the same license. Process isolation does not change this — what is linked is the SDK code itself.
Plugins are **statically linked** against this project through the public
[homeagent-sdk](https://gitcode.com/JianFeeeee/homeagent-sdk) (the SDK source ends up inside the
plugin binary), but that repository is released under **MIT** — a permissive license, so code
received under it does **not** inherit this project's AGPL. External plugins are therefore **not
derivative works of this project**: authors pick their own license (closed-source, commercial or
private included), with no same-license obligation and no §13 network clause. The safety and
vitality of the third-party plugin ecosystem rest on this.
The boundary is clean: **AGPL covers the kernel and the bundled plugins** (`homed`, `internal/`,
the 18 built-in plugins under `internal/plugins/`); **MIT covers the public SDK** (`sdk/`, whose
`go.mod` has zero external dependencies and imports only the Go standard library — it never
references any kernel code). Process isolation is beside the point here — what decides the
license is the linked SDK code itself, and that code is MIT.
### Third-party components shipped with the packages

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site/index.html
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@ -2980,7 +2980,8 @@ echo <span class="s">"你好，记住我喜欢喝咖啡"</span> | ./build/waiter
<ul>
<li><a href="https://gitcode.com/JianFeeeee/HomeAgent/releases">最新发布：v1.3.x 线</a></li>
<li><a href="https://gitcode.com/JianFeeeee/HomeAgent/blob/main/internal/meta/meta.go">main 在研：1.4.0</a></li>
<li><a href="https://gitcode.com/JianFeeeee/HomeAgent/blob/main/LICENSE">许可：AGPL-3.0-only</a></li>
<li><a href="https://gitcode.com/JianFeeeee/HomeAgent/blob/main/LICENSE">内核许可：AGPL-3.0-only</a></li>
<li><a href="https://gitcode.com/JianFeeeee/homeagent-sdk/blob/main/LICENSE">插件 SDK：MIT</a></li>
</ul>
</div>
</div>
@ -2990,7 +2991,9 @@ echo <span class="s">"你好，记住我喜欢喝咖啡"</span> | ./build/waiter
关键改动经人工审阅，使用前请自行评估验证。
</p>
<p style="margin: 0">
AGPL-3.0-only。通过 HTTP 提供交互式服务时，须向使用者提供完整对应源码（§13）。
<strong>AGPL-3.0-only</strong>（内核与其内置插件）。通过 HTTP 提供交互式服务时，须向使用者提供完整对应源码（§13）。
<br/>
插件 SDK 以 <strong>MIT</strong> 发布 —— 用它开发的第三方插件不受 AGPL 传染，可自行选择许可（含闭源）。
</p>
<p class="beian">
<a href="https://beian.miit.gov.cn" target="_blank" rel="noopener noreferrer">豫ICP备2024074105号-1</a>

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third_party/homeagent-sdk/LICENSE vendored
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@ -1,661 +1,21 @@
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of that license document, provided that the further restriction does
not survive such relicensing or conveying.
If you add terms to a covered work in accord with this section, you
must place, in the relevant source files, a statement of the
additional terms that apply to those files, or a notice indicating
where to find the applicable terms.
Additional terms, permissive or non-permissive, may be stated in the
form of a separately written license, or stated as exceptions;
the above requirements apply either way.
8. Termination.
You may not propagate or modify a covered work except as expressly
provided under this License. Any attempt otherwise to propagate or
modify it is void, and will automatically terminate your rights under
this License (including any patent licenses granted under the third
paragraph of section 11).
However, if you cease all violation of this License, then your
license from a particular copyright holder is reinstated (a)
provisionally, unless and until the copyright holder explicitly and
finally terminates your license, and (b) permanently, if the copyright
holder fails to notify you of the violation by some reasonable means
prior to 60 days after the cessation.
Moreover, your license from a particular copyright holder is
reinstated permanently if the copyright holder notifies you of the
violation by some reasonable means, this is the first time you have
received notice of violation of this License (for any work) from that
copyright holder, and you cure the violation prior to 30 days after
your receipt of the notice.
Termination of your rights under this section does not terminate the
licenses of parties who have received copies or rights from you under
this License. If your rights have been terminated and not permanently
reinstated, you do not qualify to receive new licenses for the same
material under section 10.
9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or
run a copy of the Program. Ancillary propagation of a covered work
occurring solely as a consequence of using peer-to-peer transmission
to receive a copy likewise does not require acceptance. However,
nothing other than this License grants you permission to propagate or
modify any covered work. These actions infringe copyright if you do
not accept this License. Therefore, by modifying or propagating a
covered work, you indicate your acceptance of this License to do so.
10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically
receives a license from the original licensors, to run, modify and
propagate that work, subject to this License. You are not responsible
for enforcing compliance by third parties with this License.
An "entity transaction" is a transaction transferring control of an
organization, or substantially all assets of one, or subdividing an
organization, or merging organizations. If propagation of a covered
work results from an entity transaction, each party to that
transaction who receives a copy of the work also receives whatever
licenses to the work the party's predecessor in interest had or could
give under the previous paragraph, plus a right to possession of the
Corresponding Source of the work from the predecessor in interest, if
the predecessor has it or can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the
rights granted or affirmed under this License. For example, you may
not impose a license fee, royalty, or other charge for exercise of
rights granted under this License, and you may not initiate litigation
(including a cross-claim or counterclaim in a lawsuit) alleging that
any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.
11. Patents.
A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based. The
work thus licensed is called the contributor's "contributor version".
A contributor's "essential patent claims" are all patent claims
owned or controlled by the contributor, whether already acquired or
hereafter acquired, that would be infringed by some manner, permitted
by this License, of making, using, or selling its contributor version,
but do not include claims that would be infringed only as a
consequence of further modification of the contributor version. For
purposes of this definition, "control" includes the right to grant
patent sublicenses in a manner consistent with the requirements of
this License.
Each contributor grants you a non-exclusive, worldwide, royalty-free
patent license under the contributor's essential patent claims, to
make, use, sell, offer for sale, import and otherwise run, modify and
propagate the contents of its contributor version.
In the following three paragraphs, a "patent license" is any express
agreement or commitment, however denominated, not to enforce a patent
(such as an express permission to practice a patent or covenant not to
sue for patent infringement). To "grant" such a patent license to a
party means to make such an agreement or commitment not to enforce a
patent against the party.
If you convey a covered work, knowingly relying on a patent license,
and the Corresponding Source of the work is not available for anyone
to copy, free of charge and under the terms of this License, through a
publicly available network server or other readily accessible means,
then you must either (1) cause the Corresponding Source to be so
available, or (2) arrange to deprive yourself of the benefit of the
patent license for this particular work, or (3) arrange, in a manner
consistent with the requirements of this License, to extend the patent
license to downstream recipients. "Knowingly relying" means you have
actual knowledge that, but for the patent license, your conveying the
covered work in a country, or your recipient's use of the covered work
in a country, would infringe one or more identifiable patents in that
country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or
arrangement, you convey, or propagate by procuring conveyance of, a
covered work, and grant a patent license to some of the parties
receiving the covered work authorizing them to use, propagate, modify
or convey a specific copy of the covered work, then the patent license
you grant is automatically extended to all recipients of the covered
work and works based on it.
A patent license is "discriminatory" if it does not include within
the scope of its coverage, prohibits the exercise of, or is
conditioned on the non-exercise of one or more of the rights that are
specifically granted under this License. You may not convey a covered
work if you are a party to an arrangement with a third party that is
in the business of distributing software, under which you make payment
to the third party based on the extent of your activity of conveying
the work, and under which the third party grants, to any of the
parties who would receive the covered work from you, a discriminatory
patent license (a) in connection with copies of the covered work
conveyed by you (or copies made from those copies), or (b) primarily
for and in connection with specific products or compilations that
contain the covered work, unless you entered into that arrangement,
or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey a
covered work so as to satisfy simultaneously your obligations under this
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/>.
MIT License
Copyright (c) 2026 JianFeeeee
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.