chore: add .gitignore and init.sql, update Makefile and docs

.gitignore

@@ -0,0 +1 @@
+server/server/

Makefile

@@ -73,22 +73,8 @@ endif
 # -----------------------------------------------------------------------------
 # Database initialization
 # -----------------------------------------------------------------------------
-
 init-db:
-	psql $(PG_DSN) <<'SQL'
-CREATE EXTENSION IF NOT EXISTS vector;
-CREATE TABLE IF NOT EXISTS documents (
-    id BIGSERIAL PRIMARY KEY,
-    repo TEXT NOT NULL,
-    path TEXT NOT NULL,
-    chunk_id INT NOT NULL,
-    content TEXT NOT NULL,
-    embedding VECTOR(1536),
-    metadata JSONB
-);
-CREATE INDEX IF NOT EXISTS documents_embedding_idx ON documents USING hnsw (embedding vector_cosine_ops);
-CREATE INDEX IF NOT EXISTS idx_documents_metadata ON documents USING gin (metadata);
-SQL
+	@psql $(PG_DSN) -f docs/init.sql
 
 # -----------------------------------------------------------------------------
 # Build targets

docs/init.sql

@@ -0,0 +1,18 @@
+-- init.sql
+CREATE EXTENSION IF NOT EXISTS vector;
+
+CREATE TABLE IF NOT EXISTS documents (
+    id BIGSERIAL PRIMARY KEY,
+    repo TEXT NOT NULL,
+    path TEXT NOT NULL,
+    chunk_id INT NOT NULL,
+    content TEXT NOT NULL,
+    embedding VECTOR(1536),
+    metadata JSONB
+);
+
+CREATE INDEX IF NOT EXISTS documents_embedding_idx
+  ON documents USING hnsw (embedding vector_cosine_ops);
+
+CREATE INDEX IF NOT EXISTS idx_documents_metadata
+  ON documents USING gin (metadata);

docs/overview.md

@@ -79,3 +79,8 @@ xcontrol/
 流量统计	✅ 基于 Xray stats	✅ 支持 stats + DeepFlow 双通道
 WebUI + 后端整合	✅ 前后端集成	✅ Go embed Vue，可做 SaaS 化
 可观测性 + 控制分离	❌ 不支持	✅ 支持 Agent 拉取或观察方式
+
+## Init DB
+
+export PG_DSN="postgres://shenlan@127.0.0.1:5432/postgres"
+make init-db