From 577551726ef6849193dcd6348d93e764286e6f3a Mon Sep 17 00:00:00 2001
From: GRAMMAC <GRAMMAC@163.com>
Date: Tue, 7 Jul 2026 11:35:27 +0800
Subject: [PATCH] chore: remove core java plugin

---
 benchmarks/reports/report.md              |  6 +--
 packages/core/src/analysis/build-input.ts |  7 ---
 packages/core/src/plugin/registry.ts      |  3 +-
 packages/core/src/plugins/java.ts         | 66 -----------------------
 packages/core/src/types/plugin.ts         |  2 +-
 5 files changed, 5 insertions(+), 79 deletions(-)
 delete mode 100644 packages/core/src/plugins/java.ts

diff --git a/benchmarks/reports/report.md b/benchmarks/reports/report.md
index 9c2dd4d..7198567 100644
--- a/benchmarks/reports/report.md
+++ b/benchmarks/reports/report.md
@@ -2,14 +2,14 @@
 
 - Cases: 7
 - Signal matches: 21/26
-- Average reduction: 60.9%
-- Average total MCP ratio: 39.1%
+- Average reduction: 60.8%
+- Average total MCP ratio: 39.2%
 
 | Case | Raw KB | Brief KB | Evidence KB | Total MCP KB | Reduction | Tool Calls | Confidence | Signal Hit | File Hit | Code Hit |
 |---|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|
 | dipper-react-module-not-found | 2.1 | 1.3 | 0.0 | 1.3 | 37.8% | 1 | 0.80 | 2/3 | 1/1 | n/a |
 | filament-tailwind-vite-build-failure | 4.5 | 1.8 | 0.0 | 1.8 | 60.8% | 1 | 0.80 | 3/3 | 1/1 | n/a |
-| frappe-hrms-vite-pwa-build-failure | 5.1 | 2.0 | 0.0 | 2.0 | 60.7% | 1 | 0.90 | 4/4 | 1/1 | n/a |
+| frappe-hrms-vite-pwa-build-failure | 5.1 | 2.0 | 0.0 | 2.0 | 60.3% | 1 | 0.80 | 4/4 | 1/1 | n/a |
 | react-scan-next-build-failure | 5.0 | 1.3 | 0.0 | 1.3 | 74.9% | 1 | 0.90 | 0/4 | 2/2 | n/a |
 | satellite-js-vite-build-failure | 13.1 | 3.4 | 0.0 | 3.4 | 73.7% | 1 | 0.90 | 4/4 | 1/1 | 1/1 |
 | svelte-vite-bindable-build-failure | 1.1 | 0.6 | 0.0 | 0.6 | 47.7% | 1 | 0.80 | 4/4 | 1/1 | 1/1 |
diff --git a/packages/core/src/analysis/build-input.ts b/packages/core/src/analysis/build-input.ts
index 463f49a..89898a2 100644
--- a/packages/core/src/analysis/build-input.ts
+++ b/packages/core/src/analysis/build-input.ts
@@ -26,13 +26,6 @@ const WORKSPACE_CANDIDATE_FILES = [
   'pnpm-lock.yaml',
   'package-lock.json',
   'yarn.lock',
-  'go.mod',
-  'go.work',
-  'Cargo.toml',
-  'composer.json',
-  'pom.xml',
-  'build.gradle',
-  'build.gradle.kts',
 ];
 
 async function buildWorkspaceSnapshot(
diff --git a/packages/core/src/plugin/registry.ts b/packages/core/src/plugin/registry.ts
index 68b9f84..fb7ce92 100644
--- a/packages/core/src/plugin/registry.ts
+++ b/packages/core/src/plugin/registry.ts
@@ -1,5 +1,4 @@
 import { genericPlugin } from '../plugins/generic.js';
-import { javaPlugin } from '../plugins/java.js';
 import { typescriptPlugin } from '../plugins/typescript.js';
 import type { Error2FixPlugin, PluginRegistry } from '../types/plugin.js';
 
@@ -17,5 +16,5 @@ export function registerPlugin(
 }
 
 export function getDefaultPluginRegistry(): PluginRegistry {
-  return createPluginRegistry([typescriptPlugin, javaPlugin, genericPlugin]);
+  return createPluginRegistry([typescriptPlugin, genericPlugin]);
 }
diff --git a/packages/core/src/plugins/java.ts b/packages/core/src/plugins/java.ts
deleted file mode 100644
index 6b96b02..0000000
--- a/packages/core/src/plugins/java.ts
+++ /dev/null
@@ -1,66 +0,0 @@
-import type { CoreAnalysisInput } from '../types/core.js';
-import type { Error2FixPlugin } from '../types/plugin.js';
-
-function hasJavaSignal(input: CoreAnalysisInput): boolean {
-  return (
-    input.signals.relatedFiles.some((file) =>
-      /\.(java|kt|kts|scala|gradle|properties|xml)$/.test(file),
-    ) ||
-    input.signals.keywords.some((keyword) =>
-      /Exception$|Error$/.test(keyword),
-    ) ||
-    input.signals.stackLines.some((line) => /\bat\s+[\w$.]+\(/.test(line))
-  );
-}
-
-export const javaPlugin: Error2FixPlugin<
-  {
-    buildFiles: string[];
-  },
-  {
-    exceptionNames: string[];
-  }
-> = {
-  meta: {
-    name: 'builtin-java',
-    displayName: 'Java',
-  },
-  detect(input) {
-    return hasJavaSignal(input);
-  },
-  collectContext(input) {
-    return {
-      buildFiles: input.workspace.files.filter((file) =>
-        /^(pom\.xml|build\.gradle|build\.gradle\.kts|settings\.gradle|settings\.gradle\.kts)$/.test(
-          file,
-        ),
-      ),
-    };
-  },
-  analyze(input, context) {
-    const exceptionNames = input.signals.keywords.filter((keyword) =>
-      /Exception$|Error$/.test(keyword),
-    );
-
-    return {
-      plugin: 'builtin-java',
-      matched: true,
-      summary: exceptionNames[0]
-        ? `Java exception detected (${exceptionNames[0]}).`
-        : 'Java stack trace detected in the captured logs.',
-      keySnippet: input.signals.snippet,
-      relatedFiles: input.signals.relatedFiles.filter((file) =>
-        /\.(java|kt|kts|scala|xml|properties|gradle)$/.test(file),
-      ),
-      context,
-      data: {
-        exceptionNames,
-      },
-      suggestions: [
-        'Start from the first application stack frame instead of framework-internal frames.',
-        'Inspect the referenced Java source file and surrounding business rule checks.',
-        'Check build and runtime configuration if the exception depends on environment or classpath setup.',
-      ],
-    };
-  },
-};
diff --git a/packages/core/src/types/plugin.ts b/packages/core/src/types/plugin.ts
index cc5f8cc..49b9647 100644
--- a/packages/core/src/types/plugin.ts
+++ b/packages/core/src/types/plugin.ts
@@ -5,7 +5,7 @@ import type { CoreAnalysisInput } from './core.js';
  */
 export interface PluginMeta {
   /**
-   * Unique plugin identifier, for example `plugin-ts` or `plugin-java`.
+   * Unique plugin identifier, for example `plugin-ts`.
    */
   name: string;