feat: Phase 3 世界书引擎移植 + EJS 支持

- 新增 task-worldinfo.js: 从 EW 移植世界书激活/分桶引擎
- 新增 task-ejs.js: 从 EW 移植 EJS 模板渲染引擎
- 新增 vendor/ejs.js: EJS runtime vendor
- prompt-builder.js: 改为异步, 接入 worldInfoBefore/After/atDepth
- prompt-profiles.js: 新增内置块 charDescription/userPersona/worldInfoBefore/After
- 更新 extractor/retriever/compressor/consolidator 接入新 builder
- st-context.js: 扩展 ST 上下文字段兜底
- 新增 tests/task-worldinfo.mjs: 世界书引擎测试

extractor.js

@@ -109,7 +109,7 @@ export async function extractMemories({
       ? `${messages[0]?.seq ?? "?"} ~ ${messages[messages.length - 1]?.seq ?? "?"}`
       : "";
 
-  const promptBuild = buildTaskPrompt(settings, "extract", {
+  const promptBuild = await buildTaskPrompt(settings, "extract", {
     taskName: "extract",
     schema: schemaDescription,
     schemaDescription,
@@ -152,7 +152,10 @@ export async function extractMemories({
     maxRetries: 2,
     signal,
     taskType: "extract",
-    additionalMessages: promptBuild.customMessages || [],
+    additionalMessages: [
+      ...(promptBuild.customMessages || []),
+      ...(promptBuild.additionalMessages || []),
+    ],
   });
   throwIfAborted(signal);
 
@@ -629,7 +632,7 @@ export async function generateSynopsis({
     .map((n) => `${n.fields.title}: ${n.fields.status || "active"}`)
     .join("; ");
 
-  const synopsisPromptBuild = buildTaskPrompt(settings, "synopsis", {
+  const synopsisPromptBuild = await buildTaskPrompt(settings, "synopsis", {
     taskName: "synopsis",
     eventSummary: eventSummaries,
     characterSummary: charSummary || "(无)",
@@ -665,7 +668,10 @@ export async function generateSynopsis({
     maxRetries: 1,
     signal,
     taskType: "synopsis",
-    additionalMessages: synopsisPromptBuild.customMessages || [],
+    additionalMessages: [
+      ...(synopsisPromptBuild.customMessages || []),
+      ...(synopsisPromptBuild.additionalMessages || []),
+    ],
   });
 
   if (!result?.summary) return;
@@ -742,7 +748,7 @@ export async function generateReflection({
     .map((e) => `${e.fromId} -> ${e.toId} (${e.relation})`)
     .join("\n");
 
-  const reflectionPromptBuild = buildTaskPrompt(settings, "reflection", {
+  const reflectionPromptBuild = await buildTaskPrompt(settings, "reflection", {
     taskName: "reflection",
     eventSummary,
     characterSummary: characterSummary || "(无)",
@@ -785,7 +791,10 @@ export async function generateReflection({
     maxRetries: 1,
     signal,
     taskType: "reflection",
-    additionalMessages: reflectionPromptBuild.customMessages || [],
+    additionalMessages: [
+      ...(reflectionPromptBuild.customMessages || []),
+      ...(reflectionPromptBuild.additionalMessages || []),
+    ],
   });
 
   if (!result?.insight) return null;