feat(webui): complete postbox quick access

tests/test_interface_documentation_contract.py

@@ -1,10 +1,14 @@
 from __future__ import annotations
 
 import unittest
+from pathlib import Path
 
 from govoplan_postbox.backend.manifest import manifest
 
 
+REPOSITORY_ROOT = Path(__file__).resolve().parents[1]
+
+
 class PostboxInterfaceDocumentationContractTests(unittest.TestCase):
     def test_route_and_contributed_surfaces_remain_declared(self) -> None:
         frontend = manifest.frontend
@@ -41,6 +45,27 @@ class PostboxInterfaceDocumentationContractTests(unittest.TestCase):
         self.assertIn("archive_postbox", reference.metadata["consequence_classes"])
         self.assertIn("withdraw_or_expire", reference.metadata["consequence_classes"])
 
+        quick_tool = manifest.frontend.quick_access_tools[0]
+        self.assertEqual(("postbox.message",), quick_tool.returned_reference_kinds)
+        self.assertEqual("postbox.quick_access.messages", quick_tool.help_context_id)
+        self.assertEqual("/postbox", quick_tool.full_page_path)
+
+    def test_quick_access_is_bounded_and_owner_launched(self) -> None:
+        quick_access = (
+            REPOSITORY_ROOT / "webui/src/features/postbox/PostboxQuickAccess.tsx"
+        ).read_text(encoding="utf-8")
+        page = (
+            REPOSITORY_ROOT / "webui/src/features/postbox/PostboxPage.tsx"
+        ).read_text(encoding="utf-8")
+
+        self.assertIn("const MESSAGE_LIMIT = 7", quick_access)
+        self.assertIn('"unread"', quick_access)
+        self.assertIn('kind: "message"', quick_access)
+        self.assertIn("launchContext.actingContext", quick_access)
+        self.assertIn("quickAccessLaunchState(launchContext)", quick_access)
+        self.assertIn('parameters.get("quickAction") !== "compose"', page)
+        self.assertIn("openComposeFor(postbox)", page)
+
 
 if __name__ == "__main__":
     unittest.main()