milestone 32: task-shaped configuration, file mode as a rendering, config status api

src/web/routes.zig

@@ -36,6 +36,7 @@ const auth = @import("handlers/auth.zig");
 const blocklists = @import("handlers/blocklists.zig");
 const certs = @import("handlers/certs.zig");
 const clients = @import("handlers/clients.zig");
+const config = @import("handlers/config.zig");
 const diagnostics = @import("handlers/diagnostics.zig");
 const groups = @import("handlers/groups.zig");
 const health = @import("handlers/health.zig");
@@ -145,6 +146,9 @@ pub const table: []const router.RouteInfo = &.{
     .{ .method = .GET, .pattern = "/api/settings", .auth = .session, .policy = .read, .handler = settings.get },
     .{ .method = .PUT, .pattern = "/api/settings", .auth = .session, .policy = .config_write, .handler = settings.put },
 
+    // Configuration status: the authority and whether a restart is pending.
+    .{ .method = .GET, .pattern = "/api/config/status", .auth = .session, .policy = .read, .handler = config.get },
+
     // Certificates (milestone-10 ruling 8).
     .{ .method = .POST, .pattern = "/api/certs/reload", .auth = .session, .policy = .runtime_action, .handler = certs.post },
 };
@@ -157,7 +161,7 @@ const std = @import("std");
 const testing = std.testing;
 
 test "the table carries every endpoint of the milestone" {
-    try testing.expectEqual(@as(usize, 63), table.len);
+    try testing.expectEqual(@as(usize, 64), table.len);
 }
 
 test "no two entries claim the same method and pattern" {