Merge pull request #100 from DEEIX-AI/change_varchar

refactor: increase varchar sizes for event related fields

Author: chenyme

backend/internal/infra/persistence/models/chat.go

@@ -273,19 +273,19 @@ type ChatRunEvent struct {
 	UserID          uint       `gorm:"not null;default:0;index:idx_chat_run_events_user_id;comment:用户ID"`
 	RunID           string     `gorm:"size:64;not null;default:'';index:idx_chat_run_events_run_id;uniqueIndex:uk_chat_run_events_run_scope_event,priority:1;comment:运行ID"`
 	EventScope      string     `gorm:"size:32;not null;default:'';index:idx_chat_run_events_scope;uniqueIndex:uk_chat_run_events_run_scope_event,priority:2;comment:事件范围(trace_block/trace_event/tool_call)"`
-	EventID         string     `gorm:"size:96;not null;default:'';uniqueIndex:uk_chat_run_events_run_scope_event,priority:3;comment:事件ID"`
+	EventID         string     `gorm:"size:255;not null;default:'';uniqueIndex:uk_chat_run_events_run_scope_event,priority:3;comment:事件ID"`
 	EventType       string     `gorm:"size:32;not null;default:'';index:idx_chat_run_events_type;comment:事件类型"`
 	Phase           string     `gorm:"size:32;not null;default:'';index:idx_chat_run_events_phase;comment:阶段(process/tools/upstream_think)"`
 	Stage           string     `gorm:"size:32;not null;default:'';index:idx_chat_run_events_stage;comment:链路阶段(process/think/tool/answer)"`
 	RoundID         string     `gorm:"size:64;not null;default:'';index:idx_chat_run_events_round_id;comment:链路轮次ID"`
-	ParentEventID   string     `gorm:"size:96;not null;default:'';index:idx_chat_run_events_parent_event_id;comment:父事件ID"`
+	ParentEventID   string     `gorm:"size:255;not null;default:'';index:idx_chat_run_events_parent_event_id;comment:父事件ID"`
 	Status          string     `gorm:"size:32;not null;default:'';index:idx_chat_run_events_status;comment:事件状态(streaming/completed/error)"`
-	Title           string     `gorm:"size:64;not null;default:'';comment:轨迹标题"`
+	Title           string     `gorm:"size:255;not null;default:'';comment:轨迹标题"`
 	Summary         string     `gorm:"size:255;not null;default:'';comment:轨迹摘要"`
 	ContentMarkdown string     `gorm:"type:text;not null;default:'';comment:轨迹Markdown内容"`
 	PayloadJSON     string     `gorm:"type:text;not null;default:'';comment:轨迹负载JSON"`
 	Seq             int        `gorm:"not null;default:0;index:idx_chat_run_events_seq;comment:事件顺序"`
-	ToolCallID      string     `gorm:"size:64;not null;default:'';index:idx_chat_run_events_tool_call_id;comment:工具调用ID"`
+	ToolCallID      string     `gorm:"size:255;not null;default:'';index:idx_chat_run_events_tool_call_id;comment:工具调用ID"`
 	ToolName        string     `gorm:"size:128;not null;default:'';index:idx_chat_run_events_tool_name;comment:工具名称"`
 	LatencyMS       int64      `gorm:"not null;default:0;comment:调用时长毫秒"`
 	InputJSON       string     `gorm:"type:text;not null;default:'';comment:输入JSON"`

backend/internal/infra/persistence/postgres/postgres.go

@@ -396,6 +396,15 @@ func applyConversationBaselineIndexes(db *gorm.DB) error {
 		`COMMENT ON COLUMN "chat_runs"."task_type" IS '任务类型'`,
 		`CREATE INDEX IF NOT EXISTS idx_chat_runs_task_type
 		ON "chat_runs" ("task_type")`,
+		`ALTER TABLE "chat_run_events"
+		ALTER COLUMN "event_id" TYPE varchar(255),
+		ALTER COLUMN "parent_event_id" TYPE varchar(255),
+		ALTER COLUMN "title" TYPE varchar(255),
+		ALTER COLUMN "tool_call_id" TYPE varchar(255)`,
+		`COMMENT ON COLUMN "chat_run_events"."event_id" IS '事件ID'`,
+		`COMMENT ON COLUMN "chat_run_events"."parent_event_id" IS '父事件ID'`,
+		`COMMENT ON COLUMN "chat_run_events"."title" IS '轨迹标题'`,
+		`COMMENT ON COLUMN "chat_run_events"."tool_call_id" IS '工具调用ID'`,
 		`CREATE UNIQUE INDEX IF NOT EXISTS uk_file_objects_active_user_content
 		ON "file_objects" ("user_id", "sha256", "size_bytes")
 		WHERE status = 'active' AND deleted_at IS NULL AND sha256 <> ''`,