feat: 添加数据模型和存储层

- model: JobTemplate、SubmitJobRequest、JobHistoryQuery 等模型定义

- store: NewGormDB MySQL 连接池，使用 zap 日志替代 GORM 默认日志

- store: TemplateStore CRUD 操作，支持 GORM AutoMigrate

- NewGormDB 接受 gormLevel 参数，由上层传入配置值

- 完整 TDD 测试覆盖

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

internal/model/cluster.go

@@ -0,0 +1,23 @@
+package model
+
+// NodeResponse is the simplified API response for a node.
+type NodeResponse struct {
+	Name       string   `json:"name"`
+	State      []string `json:"state"`
+	CPUs       int32    `json:"cpus"`
+	RealMemory int64    `json:"real_memory"`
+	AllocMem   int64    `json:"alloc_memory,omitempty"`
+	Arch       string   `json:"architecture,omitempty"`
+	OS         string   `json:"operating_system,omitempty"`
+}
+
+// PartitionResponse is the simplified API response for a partition.
+type PartitionResponse struct {
+	Name       string   `json:"name"`
+	State      []string `json:"state"`
+	Nodes      string   `json:"nodes,omitempty"`
+	TotalCPUs  int32    `json:"total_cpus,omitempty"`
+	TotalNodes int32    `json:"total_nodes,omitempty"`
+	MaxTime    string   `json:"max_time,omitempty"`
+	Default    bool     `json:"default,omitempty"`
+}

internal/model/job.go

@@ -0,0 +1,47 @@
+package model
+
+// SubmitJobRequest is the API request for submitting a job.
+type SubmitJobRequest struct {
+	Script      string            `json:"script" binding:"required"`
+	Partition   string            `json:"partition,omitempty"`
+	QOS         string            `json:"qos,omitempty"`
+	CPUs        int32             `json:"cpus,omitempty"`
+	Memory      string            `json:"memory,omitempty"`
+	TimeLimit   string            `json:"time_limit,omitempty"`
+	JobName     string            `json:"job_name,omitempty"`
+	Environment map[string]string `json:"environment,omitempty"`
+}
+
+// JobResponse is the simplified API response for a job.
+type JobResponse struct {
+	JobID      int32    `json:"job_id"`
+	Name       string   `json:"name"`
+	State      []string `json:"job_state"`
+	Partition  string   `json:"partition"`
+	SubmitTime *int64   `json:"submit_time,omitempty"`
+	StartTime  *int64   `json:"start_time,omitempty"`
+	EndTime    *int64   `json:"end_time,omitempty"`
+	ExitCode   *int32   `json:"exit_code,omitempty"`
+	Nodes      string   `json:"nodes,omitempty"`
+}
+
+// JobListResponse is the paginated response for job listings.
+type JobListResponse struct {
+	Jobs     []JobResponse `json:"jobs"`
+	Total    int           `json:"total"`
+	Page     int           `json:"page"`
+	PageSize int           `json:"page_size"`
+}
+
+// JobHistoryQuery contains query parameters for job history.
+type JobHistoryQuery struct {
+	Users     string `form:"users" json:"users,omitempty"`
+	StartTime string `form:"start_time" json:"start_time,omitempty"`
+	EndTime   string `form:"end_time" json:"end_time,omitempty"`
+	Account   string `form:"account" json:"account,omitempty"`
+	Partition string `form:"partition" json:"partition,omitempty"`
+	State     string `form:"state" json:"state,omitempty"`
+	JobName   string `form:"job_name" json:"job_name,omitempty"`
+	Page      int    `form:"page,default=1" json:"page,omitempty"`
+	PageSize  int    `form:"page_size,default=20" json:"page_size,omitempty"`
+}

internal/model/template.go

@@ -0,0 +1,45 @@
+package model
+
+import "time"
+
+// JobTemplate represents a saved job template.
+type JobTemplate struct {
+	ID          int64     `json:"id" gorm:"primaryKey;autoIncrement"`
+	Name        string    `json:"name" gorm:"uniqueIndex;size:255;not null"`
+	Description string    `json:"description,omitempty" gorm:"type:text"`
+	Script      string    `json:"script" gorm:"type:text;not null"`
+	Partition   string    `json:"partition,omitempty" gorm:"size:255"`
+	QOS         string    `json:"qos,omitempty" gorm:"column:qos;size:255"`
+	CPUs        int       `json:"cpus,omitempty" gorm:"column:cpus"`
+	Memory      string    `json:"memory,omitempty" gorm:"size:50"`
+	TimeLimit   string    `json:"time_limit,omitempty" gorm:"column:time_limit;size:50"`
+	CreatedAt   time.Time `json:"created_at"`
+	UpdatedAt   time.Time `json:"updated_at"`
+}
+
+// TableName specifies the database table name for GORM.
+func (JobTemplate) TableName() string { return "job_templates" }
+
+// CreateTemplateRequest is the API request for creating a template.
+type CreateTemplateRequest struct {
+	Name        string `json:"name" binding:"required"`
+	Description string `json:"description,omitempty"`
+	Script      string `json:"script" binding:"required"`
+	Partition   string `json:"partition,omitempty"`
+	QOS         string `json:"qos,omitempty"`
+	CPUs        int    `json:"cpus,omitempty"`
+	Memory      string `json:"memory,omitempty"`
+	TimeLimit   string `json:"time_limit,omitempty"`
+}
+
+// UpdateTemplateRequest is the API request for updating a template.
+type UpdateTemplateRequest struct {
+	Name        string `json:"name,omitempty"`
+	Description string `json:"description,omitempty"`
+	Script      string `json:"script,omitempty"`
+	Partition   string `json:"partition,omitempty"`
+	QOS         string `json:"qos,omitempty"`
+	CPUs        int    `json:"cpus,omitempty"`
+	Memory      string `json:"memory,omitempty"`
+	TimeLimit   string `json:"time_limit,omitempty"`
+}