ui/phase-21: sciences CRUD list, designer, and production-picker integration

Lights up the player-defined sciences feature: a table view with sort
and filter, a designer with four percent inputs and a strict
sum-equals-100 gate, and a Research-sub-row integration so the
planet production picker lists the user's sciences alongside the
four tech buttons. Phase 21 decisions are baked back into ui/PLAN.md
(no UpdateScience on the wire — write-once via createScience +
removeScience; percentages instead of fractions; sciences live under
the existing Research segment).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

ui/frontend/tests/inspector-planet.test.ts

@@ -65,6 +65,7 @@ describe("planet inspector", () => {
 					freeIndustry: 187.5,
 				}),
 				localShipClass: [],
+				localScience: [],
 				routes: [],
 				planets: [],
 				mapWidth: 1,
@@ -138,6 +139,7 @@ describe("planet inspector", () => {
 					freeIndustry: 75,
 				}),
 				localShipClass: [],
+				localScience: [],
 				routes: [],
 				planets: [],
 				mapWidth: 1,
@@ -177,6 +179,7 @@ describe("planet inspector", () => {
 					materialsStockpile: 0,
 				}),
 				localShipClass: [],
+				localScience: [],
 				routes: [],
 				planets: [],
 				mapWidth: 1,
@@ -217,6 +220,7 @@ describe("planet inspector", () => {
 					y: -5,
 				}),
 				localShipClass: [],
+				localScience: [],
 				routes: [],
 				planets: [],
 				mapWidth: 1,
@@ -253,6 +257,7 @@ describe("planet inspector", () => {
 					resources: 5,
 				}),
 				localShipClass: [],
+				localScience: [],
 				routes: [],
 				planets: [],
 				mapWidth: 1,
@@ -293,6 +298,7 @@ describe("planet inspector", () => {
 					freeIndustry: 0,
 				}),
 				localShipClass: [],
+				localScience: [],
 				routes: [],
 				planets: [],
 				mapWidth: 1,
@@ -364,6 +370,7 @@ describe("planet inspector", () => {
 					freeIndustry: 0,
 				}),
 				localShipClass: [],
+				localScience: [],
 				routes: [],
 				planets: [],
 				mapWidth: 1,
@@ -402,6 +409,7 @@ describe("planet inspector", () => {
 					freeIndustry: 0,
 				}),
 				localShipClass: [],
+				localScience: [],
 				routes: [],
 				planets: [],
 				mapWidth: 1,