feat: 新增 target description 字段，收紧 id/name 长度，调整延迟列和名称列

src/server/checker/config-loader.ts

@@ -144,6 +144,7 @@ function resolveTarget(
 
   result.intervalMs = intervalMs;
   result.timeoutMs = timeoutMs;
+  result.description = target.description ?? null;
 
   return result;
 }

src/server/checker/runner/cmd/execute.ts

@@ -187,6 +187,7 @@ export class CommandChecker implements CheckerDefinition<ResolvedCommandTarget>
         exec: t.cmd.exec,
         maxOutputBytes,
       },
+      description: null,
       expect: target.expect as CommandExpectConfig | undefined,
       group: target.group ?? "default",
       id: t.id,

src/server/checker/runner/db/execute.ts

@@ -180,6 +180,7 @@ export class DbChecker implements CheckerDefinition<ResolvedDbTarget> {
         query: t.db.query,
         url: t.db.url,
       },
+      description: null,
       expect: target.expect as DbExpectConfig | undefined,
       group: target.group ?? "default",
       id: t.id,

src/server/checker/runner/http/execute.ts

@@ -112,6 +112,7 @@ export class HttpChecker implements CheckerDefinition<ResolvedHttpTarget> {
     const maxBodyBytes = parseSize(t.http.maxBodyBytes ?? httpDefaults?.maxBodyBytes ?? "100MB");
 
     return {
+      description: null,
       expect: target.expect as HttpExpectConfig | undefined,
       group: target.group ?? "default",
       http: {

src/server/checker/schema/builder.ts

@@ -49,11 +49,12 @@ export function createProbeConfigSchema(checkers: CheckerDefinition[], external
 
 export function createTargetSchema(checker: CheckerDefinition): TSchema {
   const properties: Record<string, TSchema> = {
+    description: Type.Optional(Type.String({ maxLength: 500 })),
     expect: Type.Optional(checker.schemas.expect),
     group: Type.Optional(Type.String()),
-    id: Type.String({ minLength: 1 }),
+    id: Type.String({ maxLength: 30, minLength: 1 }),
     interval: Type.Optional(durationSchema),
-    name: Type.Optional(Type.String({ minLength: 1 })),
+    name: Type.Optional(Type.String({ maxLength: 30, minLength: 1 })),
     timeout: Type.Optional(durationSchema),
     type: Type.Literal(checker.type),
   };
@@ -68,10 +69,11 @@ function cloneSchema(schema: TSchema): Record<string, unknown> {
 function createBaseTargetSchema(checkers: CheckerDefinition[]): TSchema {
   return Type.Object(
     {
+      description: Type.Optional(Type.String({ maxLength: 500 })),
       group: Type.Optional(Type.String()),
-      id: Type.String({ minLength: 1 }),
+      id: Type.String({ maxLength: 30, minLength: 1 }),
       interval: Type.Optional(durationSchema),
-      name: Type.Optional(Type.String({ minLength: 1 })),
+      name: Type.Optional(Type.String({ maxLength: 30, minLength: 1 })),
       timeout: Type.Optional(durationSchema),
       type: Type.Union(checkers.map((checker) => Type.Literal(checker.type)) as unknown as [TSchema, ...TSchema[]]),
     },

src/server/checker/store.ts

@@ -10,6 +10,7 @@ const CREATE_TARGETS_TABLE = `
 CREATE TABLE IF NOT EXISTS targets (
   id TEXT PRIMARY KEY,
   name TEXT NOT NULL,
+  description TEXT,
   type TEXT NOT NULL,
   target TEXT NOT NULL,
   config TEXT NOT NULL DEFAULT '{}',
@@ -316,10 +317,10 @@ export class ProbeStore {
     const configIds = new Set(targets.map((t) => t.id));
 
     const insertStmt = this.db.prepare(
-      "INSERT INTO targets (id, name, type, target, config, interval_ms, timeout_ms, expect, grp) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)",
+      "INSERT INTO targets (id, name, description, type, target, config, interval_ms, timeout_ms, expect, grp) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
     );
     const updateStmt = this.db.prepare(
-      "UPDATE targets SET name = ?, type = ?, target = ?, config = ?, interval_ms = ?, timeout_ms = ?, expect = ?, grp = ? WHERE id = ?",
+      "UPDATE targets SET name = ?, description = ?, type = ?, target = ?, config = ?, interval_ms = ?, timeout_ms = ?, expect = ?, grp = ? WHERE id = ?",
     );
     const deleteStmt = this.db.prepare("DELETE FROM targets WHERE id = ?");
 
@@ -332,9 +333,9 @@ export class ProbeStore {
         const expect = t.expect ? JSON.stringify(t.expect) : null;
 
         if (existingIds.has(t.id)) {
-          updateStmt.run(t.name, type, target, config, t.intervalMs, t.timeoutMs, expect, t.group, t.id);
+          updateStmt.run(t.name, t.description, type, target, config, t.intervalMs, t.timeoutMs, expect, t.group, t.id);
         } else {
-          insertStmt.run(t.id, t.name, type, target, config, t.intervalMs, t.timeoutMs, expect, t.group);
+          insertStmt.run(t.id, t.name, t.description, type, target, config, t.intervalMs, t.timeoutMs, expect, t.group);
         }
       }
 

src/server/checker/types.ts

@@ -41,6 +41,7 @@ export interface ProbeConfig {
 
 export interface RawTargetConfig {
   [configKey: string]: unknown;
+  description?: string;
   expect?: unknown;
   group?: string;
   id: string;
@@ -52,6 +53,7 @@ export interface RawTargetConfig {
 
 export interface ResolvedTargetBase {
   [key: string]: unknown;
+  description: null | string;
   expect?: unknown;
   group: string;
   id: string;
@@ -79,6 +81,7 @@ export interface StoredCheckResult {
 
 export interface StoredTarget {
   config: string;
+  description: null | string;
   expect: null | string;
   grp: string;
   id: string;

src/server/routes/dashboard.ts

@@ -56,6 +56,7 @@ export function handleDashboard(url: URL, store: ProbeStore, mode: RuntimeMode):
 
     return {
       currentStreak,
+      description: target.description,
       group: target.grp,
       id: target.id,
       interval: formatDuration(target.interval_ms),