test: cover nation research commands

docs/architecture/turn-state-differential-testing.md

@@ -62,8 +62,8 @@ normalized to the core `*Id` spelling before command identity comparison.
       The matrix includes the four-call `전투태세` path, lifecycle and
       appointment commands, troop assembly, rebellion and all three founding
       variants.
-    - `turnCommandNationMatrix.integration.test.ts`: 8 successful nation
-      command paths.
+    - `turnCommandNationMatrix.integration.test.ts`: 26 successful nation
+      command paths, including all nine unit-research commands.
     - `turnCommandCoreReference.integration.test.ts`: declaration and live
       sortie fixtures.
 
@@ -168,11 +168,11 @@ Compatibility is established per case only when:
 4. live sortie also passes the battle trace comparison;
 5. any ignored path is documented in the case evidence.
 
-As of 2026-07-25, 54 general matrix cases, 8 nation matrix cases, declaration
+As of 2026-07-26, 54 general matrix cases, 26 nation matrix cases, declaration
 and live sortie pass this boundary. Live sortie is the remaining general
 command key and covers battle entry, conquest, defeated-general neutralization
 and last-city nation collapse. Thus all 55 general command keys have a
-completed success-path comparison. This is 64 executable comparison cases;
+completed success-path comparison. This is 82 executable comparison cases;
 it is not yet a claim that failure/boundary paths or all 38 nation commands
 have been dynamically compared.
 

packages/logic/src/actions/turn/nation/che_물자원조.ts

@@ -137,16 +137,9 @@ export class ActionDefinition<
                 : {};
         const recvKey = `n${nation.id}`;
         const priorEntry =
-            typeof recvAssist[recvKey] === 'object' &&
-            recvAssist[recvKey] !== null &&
-            !Array.isArray(recvAssist[recvKey])
-                ? recvAssist[recvKey]
-                : {};
-        const priorAmount = Number(priorEntry['1'] ?? 0);
-        recvAssist[recvKey] = {
-            0: nation.id,
-            1: (Number.isFinite(priorAmount) ? priorAmount : 0) + actualGold + actualRice,
-        };
+            typeof recvAssist[recvKey] === 'object' && recvAssist[recvKey] !== null ? recvAssist[recvKey] : {};
+        const priorAmount = Number(Array.isArray(priorEntry) ? priorEntry[1] : (priorEntry['1'] ?? 0));
+        recvAssist[recvKey] = [nation.id, (Number.isFinite(priorAmount) ? priorAmount : 0) + actualGold + actualRice];
 
         const effects: Array<GeneralActionEffect<TriggerState>> = [
             createNationPatchEffect(

packages/logic/test/actions/turn/nationMissing.test.ts

@@ -384,7 +384,7 @@ describe('Nation Missing Actions', () => {
                 gold: 200,
                 rice: 150,
                 meta: expect.objectContaining({
-                    recv_assist: { n1: { 0: 1, 1: 150 } },
+                    recv_assist: { n1: [1, 150] },
                 }),
             }),
         });

tools/integration-tests/test/turnCommandNationMatrix.integration.test.ts

@@ -69,6 +69,22 @@ interface FixturePatches {
     randomFoundingCandidateCityIds?: number[];
 }
 
+type NationMatrixCase = [string, Record<string, unknown> | undefined, FixturePatches?];
+
+const researchCase = (action: string, command: string, term: number): NationMatrixCase => [
+    action,
+    undefined,
+    {
+        nations: {
+            1: {
+                turnLastByOfficerLevel: {
+                    12: { command, term },
+                },
+            },
+        },
+    },
+];
+
 const buildRequest = (
     action: string,
     args?: Record<string, unknown>,
@@ -192,7 +208,7 @@ const buildRequest = (
     },
 });
 
-const cases: Array<[string, Record<string, unknown> | undefined, FixturePatches?]> = [
+const cases: NationMatrixCase[] = [
     ['휴식', undefined],
     ['che_포상', { isGold: true, amount: 100, destGeneralID: 3 }],
     ['che_선전포고', { destNationID: 2 }],
@@ -282,6 +298,15 @@ const cases: Array<[string, Record<string, unknown> | undefined, FixturePatches?
             randomFoundingCandidateCityIds: [70],
         },
     ],
+    researchCase('event_원융노병연구', '원융노병 연구', 23),
+    researchCase('event_화시병연구', '화시병 연구', 11),
+    researchCase('event_음귀병연구', '음귀병 연구', 11),
+    researchCase('event_대검병연구', '대검병 연구', 11),
+    researchCase('event_화륜차연구', '화륜차 연구', 23),
+    researchCase('event_산저병연구', '산저병 연구', 11),
+    researchCase('event_극병연구', '극병 연구', 23),
+    researchCase('event_상병연구', '상병 연구', 23),
+    researchCase('event_무희연구', '무희 연구', 23),
 ];
 
 integration('nation command success matrix', () => {