feat(memory): implement stability stage

Co-authored-by: multica-agent <github@multica.ai>

packages/shared/src/index.ts

@@ -167,6 +167,32 @@ export const PlayerIntentSchema = z.object({
 })
 export type PlayerIntent = z.infer<typeof PlayerIntentSchema>
 
+export const ContextEntitySchema = WorldEntitySchema.pick({
+  id: true,
+  kind: true,
+  name: true,
+  summary: true,
+  tags: true,
+})
+export type ContextEntity = z.infer<typeof ContextEntitySchema>
+
+export const RelationshipStateSchema = z.object({
+  sourceEntityId: z.string().min(1),
+  targetEntityId: z.string().min(1),
+  score: z.number().int().min(-100).max(100),
+  notes: z.string().max(1200),
+})
+export type RelationshipState = z.infer<typeof RelationshipStateSchema>
+
+export const QuestStateSchema = z.object({
+  questEntityId: z.string().min(1),
+  name: z.string().min(1).max(120),
+  status: z.enum(['hidden', 'active', 'completed', 'failed']),
+  summary: z.string().min(1).max(1200),
+  tags: z.array(z.string().max(40)).max(12).default([]),
+})
+export type QuestState = z.infer<typeof QuestStateSchema>
+
 export const RoundContextSchema = z.object({
   scene: z.string().max(6000),
   storySummary: z.string().max(6000).nullable(),
@@ -178,6 +204,9 @@ export const RoundContextSchema = z.object({
   humanIntents: z.array(PlayerIntentSchema).max(8),
   aiCharacters: z.array(CharacterSchema).max(8),
   activeCharacters: z.array(CharacterSchema).max(16),
+  entities: z.array(ContextEntitySchema).max(12).default([]),
+  relationships: z.array(RelationshipStateSchema).max(20).default([]),
+  activeGoals: z.array(QuestStateSchema).max(8).default([]),
   memories: z.array(z.object({
     summary: z.string().min(1).max(1200),
     importance: z.number().int().min(1).max(5).optional(),