docs: move commit message guidelines to AGENTS.md

Consolidates commit message and AI attribution guidelines from
git-workflow.md into AGENTS.md for better visibility.

Assisted-by: GLM-5 via opencode
Reviewbot-request: yes
Signed-off-by: Xe Iaso <me@xeiaso.net>

Author: Xe

.claude/git-workflow.md

@@ -1,33 +1,5 @@
 # Git Workflow
 
-## Commit Messages
-
-Follow **Conventional Commits**:
-
-```text
-<type>[optional scope]: <description>
-
-[optional body]
-
-[optional footer(s)]
-```
-
-**Types:** `feat`, `fix`, `docs`, `style`, `refactor`, `perf`, `test`, `build`, `ci`, `chore`, `revert`
-
-- Add `!` after type/scope for breaking changes or include `BREAKING CHANGE:` in the footer.
-- Descriptions: concise, imperative, lowercase, no trailing period.
-- Reference issues/PRs in the footer when applicable.
-- All commits require `--signoff`.
-
-## AI Attribution
-
-AI-generated commits must include these footers:
-
-```text
-Assisted-by: [Model Name] via [Tool Name]
-Reviewbot-request: yes
-```
-
 ## Pull Requests
 
 - Include a clear description of changes

AGENTS.md

@@ -18,6 +18,34 @@ Go monorepo for within.website services. JS tooling via npm.
 - `internal.HandleStartup()` calls `flag.Parse()` — binaries must **not** call `flag.Parse()` themselves.
 - All git commits require `--signoff`.
 
+## Commit Messages
+
+Follow **Conventional Commits**:
+
+```text
+<type>[optional scope]: <description>
+
+[optional body]
+
+[optional footer(s)]
+```
+
+**Types:** `feat`, `fix`, `docs`, `style`, `refactor`, `perf`, `test`, `build`, `ci`, `chore`, `revert`
+
+- Add `!` after type/scope for breaking changes or include `BREAKING CHANGE:` in the footer.
+- Descriptions: concise, imperative, lowercase, no trailing period.
+- Reference issues/PRs in the footer when applicable.
+- All commits require `--signoff`.
+
+## AI Attribution
+
+AI-generated commits must include these footers:
+
+```text
+Assisted-by: [Model Name] via [Tool Name]
+Reviewbot-request: yes
+```
+
 ## Guidelines
 
 - [Code Style](.claude/code-style.md)