Add PCP architecture docs and TGU ops updates

Capture current PCP architecture notes, service-map prototypes, TGU operations UI/map work, local configuration updates, database helper scripts, and request/sample JSON artifacts.

services/pcp-tgu-ops-ui/src/features/tgu-planning/TguToolbar.tsx

@@ -4,7 +4,9 @@ type TguToolbarProps = {
   fromValue: string;
   toValue: string;
   loading: boolean;
+  activeTab: "timeline" | "map";
   error?: string;
+  onTabChange: (tab: "timeline" | "map") => void;
   onFromChange: (value: string) => void;
   onToChange: (value: string) => void;
   onApply: () => void;
@@ -16,7 +18,9 @@ export function TguToolbar({
   fromValue,
   toValue,
   loading,
+  activeTab,
   error,
+  onTabChange,
   onFromChange,
   onToChange,
   onApply,
@@ -34,6 +38,27 @@ export function TguToolbar({
           </div>
         </div>
 
+        <div className="tgu-tabs" role="tablist" aria-label="Разделы планирования ТГУ">
+          <button
+            className={activeTab === "timeline" ? "is-active" : ""}
+            type="button"
+            role="tab"
+            aria-selected={activeTab === "timeline"}
+            onClick={() => onTabChange("timeline")}
+          >
+            Timeline
+          </button>
+          <button
+            className={activeTab === "map" ? "is-active" : ""}
+            type="button"
+            role="tab"
+            aria-selected={activeTab === "map"}
+            onClick={() => onTabChange("map")}
+          >
+            Карта 2D
+          </button>
+        </div>
+
         <label className="tgu-field">
           <span>С</span>
           <input type="datetime-local" value={fromValue} onChange={(event) => onFromChange(event.target.value)} />