chore: move source-control settings to docs/conventions/source-control.yaml

docs/conventions/source-control.yaml

@@ -0,0 +1,15 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/melodic-software/claude-code-plugins/main/plugins/source-control/schemas/source-control.schema.json
+# Team layer of the source-control plugin's settings. Keys, values and resolution:
+# https://github.com/melodic-software/claude-code-plugins/blob/main/plugins/source-control/reference/config-resolution.md
+# Keys not listed here fall through to that resolution order.
+#
+# pr_body_required_sections must stay in step with the section names the `pr-contract` composite
+# reads. It runs as a step inside `ci-status`, the single required check. A body missing `## Fix` or
+# `## Verification` by name does not turn that check red; the composite reports it with an advisory
+# comment and the `needs-issue-linkage` label. Listing a differently-named equivalent here sends an
+# author straight into that advisory noise.
+pr_body_required_sections:
+  - Summary
+  - Fix
+  - Verification
+  - Related