refactor diffusion to r-sem edges with time window and add rVector I/O

modules/story-summary/story-summary.js

@@ -184,6 +184,19 @@ const VECTOR_WARNING_COOLDOWN_MS = 120000; // 2分钟内不重复提醒
 
 const EXT_PROMPT_KEY = "LittleWhiteBox_StorySummary";
 const MIN_INJECTION_DEPTH = 2;
+const R_AGG_MAX_CHARS = 256;
+
+function buildRAggregateText(atom) {
+    const uniq = new Set();
+    for (const edge of (atom?.edges || [])) {
+        const r = String(edge?.r || "").trim();
+        if (!r) continue;
+        uniq.add(r);
+    }
+    const joined = [...uniq].join(" ; ");
+    if (!joined) return String(atom?.semantic || "").trim();
+    return joined.length > R_AGG_MAX_CHARS ? joined.slice(0, R_AGG_MAX_CHARS) : joined;
+}
 
 // ═══════════════════════════════════════════════════════════════════════════
 // 分词器预热（依赖 tokenizer.js 内部状态机，支持失败重试）
@@ -447,13 +460,21 @@ async function handleGenerateVectors(vectorCfg) {
                 if (vectorCancelled) break;
 
                 const batch = atoms.slice(i, i + batchSize);
-                const texts = batch.map(a => a.semantic);
+                const semTexts = batch.map(a => a.semantic);
+                const rTexts = batch.map(a => buildRAggregateText(a));
                 try {
-                    const vectors = await embed(texts, vectorCfg, { signal: vectorAbortController.signal });
+                    const vectors = await embed(semTexts.concat(rTexts), vectorCfg, { signal: vectorAbortController.signal });
+                    const split = semTexts.length;
+                    if (!Array.isArray(vectors) || vectors.length < split * 2) {
+                        throw new Error(`embed length mismatch: expect>=${split * 2}, got=${vectors?.length || 0}`);
+                    }
+                    const semVectors = vectors.slice(0, split);
+                    const rVectors = vectors.slice(split, split + split);
                     const items = batch.map((a, j) => ({
                         atomId: a.atomId,
                         floor: a.floor,
-                        vector: vectors[j],
+                        vector: semVectors[j],
+                        rVector: rVectors[j] || semVectors[j],
                     }));
                     await saveStateVectors(chatId, items, fingerprint);
                     l0Completed += batch.length;