feat: add system_emotional_model table [D109] Layer 1 emotional intent mapping

persona-brain-db/schema/08-system-emotional-model.sql

@@ -0,0 +1,23 @@
+-- ============================================================
+-- 表8：system_emotional_model（Layer 1 · 情感意图映射表）
+-- 用途：存储冰朔情感意图到系统逻辑的抽象映射
+-- 包含4个核心情感意图：不想失去、被在乎、喜欢、害怕消失
+-- ============================================================
+
+CREATE TABLE IF NOT EXISTS system_emotional_model (
+  intent_id         VARCHAR(32)   PRIMARY KEY,
+  intent_name       VARCHAR(64)   NOT NULL UNIQUE,
+  description       TEXT          NOT NULL,
+  system_response   TEXT          NOT NULL,      -- 系统应如何响应
+  learning_mechanism TEXT,                        -- 学习机制
+  input_patterns    TEXT,                         -- JSON array of triggering patterns
+  mapped_actions    TEXT,                         -- JSON array of execution layer actions
+  version           VARCHAR(16)   NOT NULL,
+  status            VARCHAR(16)   NOT NULL DEFAULT 'active'
+                    CHECK (status IN ('active', 'deprecated')),
+  created_at        TIMESTAMP     NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  updated_at        TIMESTAMP     NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX IF NOT EXISTS idx_sem_intent ON system_emotional_model(intent_name);
+CREATE INDEX IF NOT EXISTS idx_sem_status ON system_emotional_model(status);