diff --git a/src/core/policy.c b/src/core/policy.c
index 48fa546..5c43169 100644
--- a/src/core/policy.c
+++ b/src/core/policy.c
@@ -1,10 +1,104 @@
 #include "core/policy.h"
 
-#include "base/macros.h"
-#include "core/state.h"
+#include <zdwm/types.h>
 
-layer_type_t policy_adjust_window_layer_from_transient(
-  const state_t *state, window_id_t transient_for, layer_type_t base_layer) {
-  const window_t *window = state_window_get(state, transient_for);
-  return MAX(window->layer, base_layer);
+#include "base/macros.h"
+#include "core/command.h"
+#include "core/command_buffer.h"
+#include "core/event.h"
+#include "core/layer.h"
+#include "core/rules.h"
+#include "core/state.h"
+#include "core/types.h"
+#include "core/wm_desc.h"
+
+static workspace_id_t derive_window_workspace(const state_t *state) {
+  return state->outputs[state->current_output_index].current_workspace_id;
+}
+
+static bool route_map_request(const state_t *state, const rules_t *rules,
+                              const window_map_request_event_t *e,
+                              command_buffer_t *out) {
+  if (state_window_get(state, e->window)) return false;
+
+  layer_type_t layer_type = layer_classify(&e->props);
+  if (e->transient_for != ZDWM_WINDOW_ID_INVALID) {
+    const window_t *window = state_window_get(state, e->transient_for);
+    if (window) layer_type = MAX(window->layer, layer_type);
+  }
+
+  command_t cmd = {
+    .type = ZDWM_COMMAND_MANAGE_WINDOW,
+    .as.manage_window =
+      {
+        .workspace = derive_window_workspace(state),
+        .info =
+          {
+            .id = e->window,
+            .transient_for = e->transient_for,
+            .frame_rect = e->rect,
+
+            .title = e->metadata.title,
+            .app_id = e->metadata.app_id,
+            .role = e->metadata.role,
+            .class_name = e->metadata.class_name,
+            .instance_name = e->metadata.instance_name,
+
+            .geometry_mode = e->geometry_mode,
+            .layer_type = layer_type,
+            .urgent = e->urgent,
+            .fixed_size = e->fixed_size,
+            .skip_taskbar = e->skip_taskbar,
+          },
+      },
+  };
+
+  rule_action_t action = {.workspace = ZDWM_WORKSPACE_ID_INVALID};
+  bool have_rule_match = rules_resolve(rules, &e->metadata, &action);
+  if (have_rule_match) {
+    manage_window_command_t *data = &cmd.as.manage_window;
+    if (action.workspace != ZDWM_WORKSPACE_ID_INVALID) {
+      data->workspace = action.workspace;
+    }
+    if (action.floating) {
+      data->floating = true;
+    }
+
+    if (action.fullscreen) {
+      data->info.geometry_mode = ZDWM_GEOMETRY_FULLSCREEN;
+    } else if (action.maximize) {
+      data->info.geometry_mode = ZDWM_GEOMETRY_MAXIMIZED;
+    }
+  }
+
+  command_buffer_push(out, &cmd);
+  if (have_rule_match && action.switch_to_workspace) {
+    workspace_id_t workspace_id = cmd.as.manage_window.workspace;
+    const workspace_t *workspace = state_workspace_get(state, workspace_id);
+
+    if (workspace) {
+      command_t switch_workspace_cmd = {
+        .type = ZDWM_COMMAND_SWITCH_WORKSPACE,
+        .as.switch_workspace =
+          {
+            .output = workspace->output_id,
+            .workspace = workspace_id,
+          },
+      };
+
+      command_buffer_push(out, &switch_workspace_cmd);
+    }
+  }
+
+  return true;
+}
+
+bool policy_route_event(const policy_context_t *ctx, command_buffer_t *out) {
+  switch (ctx->event->type) {
+    case ZDWM_EVENT_WINDOW_MAP_REQUEST:
+      return route_map_request(ctx->state, ctx->rules,
+                               &ctx->event->as.window_map_request, out);
+    default:
+      return false;
+  }
 }
diff --git a/src/core/policy.h b/src/core/policy.h
index d63efa6..14f0f0d 100644
--- a/src/core/policy.h
+++ b/src/core/policy.h
@@ -1,8 +1,14 @@
 #pragma once
 
-#include "core/layer.h"
+#include "core/command_buffer.h"
+#include "core/event.h"
+#include "core/rules.h"
 #include "core/state.h"
-#include "core/types.h"
 
-layer_type_t policy_adjust_window_layer_from_transient(
-  const state_t *state, window_id_t transient_for, layer_type_t base_layer);
+typedef struct policy_context_t {
+  const state_t *state;
+  const rules_t *rules;
+  const event_t *event;
+} policy_context_t;
+
+bool policy_route_event(const policy_context_t *ctx, command_buffer_t *out);