feat(BE-34): extend DB schema and update master data APIs [partial]

✅ DB Schema: product_warehouse entity and migration
✅ Master Data: added filter params to getall APIs
🚧 Pending: stock_logs implementation and adjustment APIs

internal/database/migrations/20250925040409_create_master_tables.up.sql

@@ -232,3 +232,45 @@ CREATE TABLE projects (
   deleted_at TIMESTAMPTZ,
   created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
 );
+
+-- PRODUCT WAREHOUSES TABLE
+CREATE TABLE product_warehouses (
+    id BIGSERIAL PRIMARY KEY,
+    product_id BIGINT NOT NULL REFERENCES products(id),
+    warehouse_id BIGINT NOT NULL REFERENCES warehouses(id),
+    quantity INTEGER NOT NULL DEFAULT 0,
+    created_by BIGINT NOT NULL REFERENCES users(id),
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ
+);
+
+-- INDEXES
+CREATE INDEX idx_product_warehouses_product_id ON product_warehouses(product_id);
+CREATE INDEX idx_product_warehouses_warehouse_id ON product_warehouses(warehouse_id);
+CREATE INDEX idx_product_warehouses_deleted_at ON product_warehouses(deleted_at);
+CREATE UNIQUE INDEX idx_product_warehouses_unique ON product_warehouses(product_id, warehouse_id) WHERE deleted_at IS NULL;
+
+-- STOCK LOGS
+CREATE TABLE stock_logs (
+  id BIGSERIAL PRIMARY KEY,
+  trancaction_type VARCHAR(20) NOT NULL,
+  quantity NUMERIC(15,3) NOT NULL,
+  before_quantity NUMERIC(15,3) NOT NULL,
+  after_quantity NUMERIC(15,3) NOT NULL,
+  log_type VARCHAR(50) NOT NULL,
+  log_id BIGINT NOT NULL,
+  note TEXT,
+  product_warehouse_id BIGINT NOT NULL REFERENCES product_warehouses(id) ON DELETE CASCADE ON UPDATE CASCADE,
+  created_by BIGINT NOT NULL REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE,
+  created_at TIMESTAMPTZ DEFAULT NOW(),
+  updated_at TIMESTAMPTZ DEFAULT NOW(),
+  deleted_at TIMESTAMPTZ
+);
+
+-- Create indexes for better performance
+CREATE INDEX stock_logs_product_warehouse_id_idx ON stock_logs (product_warehouse_id);
+CREATE INDEX stock_logs_log_type_log_id_idx ON stock_logs (log_type, log_id);
+CREATE INDEX stock_logs_created_by_idx ON stock_logs (created_by);
+CREATE INDEX stock_logs_created_at_idx ON stock_logs (created_at);
+CREATE INDEX stock_logs_deleted_at_idx ON stock_logs (deleted_at);