Migrate Files surfaces to interface patterns

src/govoplan_files/backend/manifest.py

@@ -566,6 +566,11 @@ manifest = ModuleManifest(
                 "route": "/admin?section=tenant-file-connectors",
                 "screen": "File connections",
                 "section": "Profiles, credentials, and effective connector policy",
+                "help_contexts": [
+                    "files.connectors",
+                    "files.connector.credentials",
+                    "files.connector.policy",
+                ],
                 "security_invariants": [
                     "New API-managed external secret references fail closed until Files can prove ownership and provider-side deletion.",
                     "Deletion and destructive retirement scrub Files-owned encrypted connector material before completion and emit non-secret audit evidence.",