feat: add gitea agentic runtime control plane

tests/fixtures/specs/invalid_path_scope.md

@@ -0,0 +1,17 @@
+---
+name: invalid-path-scope
+provider: gitea
+on:
+  issue_comment:
+    commands: ["@devops-agent"]
+permissions:
+  issues: write
+safe_outputs:
+  add_comment:
+    max: 1
+policy:
+  path_scope: "engine/devops_agent/"
+---
+# Invalid
+
+The path scope must be a list of path prefixes.