✨ feat(vscode): 代码阅读支持库规则，内置 SQLAlchemy 模型类显示成数据表卡片

vscode/src/codeReader/registry.ts

@@ -1,5 +1,5 @@
 import type { Disposable, Event, Memento } from 'vscode'
-import type { CodeReaderApi, LanguageAdapter, Translator } from './contract'
+import type { CodeReaderApi, LanguageAdapter, LibraryRule, Translator } from './contract'
 
 /** globalState 里按 languageId 记选中的翻译插件 id：Record<languageId, translatorId>。 */
 export const TRANSLATOR_CHOICE_KEY = 'superpowers.codeReader.translatorByLanguage'
@@ -7,12 +7,13 @@ export const TRANSLATOR_CHOICE_KEY = 'superpowers.codeReader.translatorByLanguag
 interface Entry<T> { value: T }
 
 /**
- * 语言插件、翻译插件的注册表。内置实现和其他扩展都通过它注册（它本身就是对外的 CodeReaderApi）。
+ * 语言插件、翻译插件、库规则的注册表。内置实现和其他扩展都通过它注册（它本身就是对外的 CodeReaderApi）。
  * 不依赖 vscode 运行时：Disposable 和事件都是结构兼容的普通对象，便于单元测试。
  */
 export class CodeReaderRegistry implements CodeReaderApi {
   private readonly adapters: Entry<LanguageAdapter>[] = []
   private readonly translators: Entry<Translator>[] = []
+  private readonly rules: Entry<LibraryRule>[] = []
   private readonly listeners = new Set<() => void>()
 
   constructor(private readonly state: Pick<Memento, 'get' | 'update'>) {}
@@ -36,6 +37,10 @@ export class CodeReaderRegistry implements CodeReaderApi {
     return this.add(this.translators, translator)
   }
 
+  registerLibraryRule(rule: LibraryRule): Disposable {
+    return this.add(this.rules, rule)
+  }
+
   /** 当前语言插件覆盖的全部 languageId（去重、排序），给 when 子句用。 */
   languageIds(): string[] {
     return [...new Set(this.adapters.flatMap(entry => entry.value.languageIds))].sort()
@@ -51,6 +56,11 @@ export class CodeReaderRegistry implements CodeReaderApi {
     return this.translators.map(entry => entry.value).filter(translator => translator.languageIds.includes(languageId))
   }
 
+  /** 某 languageId 的库规则，按注册顺序：几个规则都认同一块时先注册的算。 */
+  rulesFor(languageId: string): LibraryRule[] {
+    return this.rules.map(entry => entry.value).filter(rule => rule.languageIds.includes(languageId))
+  }
+
   /** 选中的翻译：globalState 里记的那个还注册着就用它，否则用第一个。 */
   selectedTranslator(languageId: string): Translator | undefined {
     const candidates = this.translatorsFor(languageId)