Update dependencies to Eclipse 2025-12, replace obsolete target files

.github/copilot-instructions.md

@@ -13,7 +13,7 @@ This is the **GitHub Copilot for Eclipse** plugin - an Eclipse IDE extension tha
 - **Multi-Platform Support**: Windows, macOS (x64/aarch64), and Linux (x64/aarch64)
 
 ### Tech Stack
-- **Java**: Primary language (Java 17+, with Eclipse 4.31+ requiring Java 21+)
+- **Java**: Primary language (Java 21+, with Eclipse 4.38+ requiring Java 21+)
 - **Eclipse RCP/OSGi**: Plugin architecture using Eclipse platform APIs
 - **Maven/Tycho**: Build system for Eclipse plugin development
 - **LSP4E**: Language Server Protocol integration for Eclipse
@@ -46,7 +46,7 @@ You MUST verify compilation and code quality before declaring work complete!
 - Root POM coordinates multi-module build with Tycho
 - Each bundle/feature/test has its own POM inheriting from root
 - Checkstyle validation runs during `verify` phase
-- Target platform defined in `base.target`, `target-terminal.target`, `target-tm-terminal.target`
+- Target platform defined in `target-platforms/2025-12.target`
 
 ### Code Change Review Trigger
 
@@ -547,7 +547,7 @@ CompletableFuture.runAsync(() -> {
 
 **When** writing tests → use JUnit 5 for core logic; integration tests for Eclipse integration
 
-**When** adding dependencies → only add necessary bundles; check `base.target` for Eclipse 2024-03 version constraints
+**When** adding dependencies → only add necessary bundles; check `target-platforms/2025-12.target` for Eclipse 2025-12 version constraints
 
 **When** targeting Eclipse versions → support multiple versions when possible
 

.github/workflows/ci.yml

@@ -29,10 +29,10 @@ jobs:
       working-directory: com.microsoft.copilot.eclipse.core/copilot-agent
       run: npm i -f
 
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v4
       with:
-        java-version: '17'
+        java-version: '21'
         distribution: 'temurin'
         cache: maven
 

CONTRIBUTING.md

@@ -16,10 +16,10 @@ When you submit a pull request, a CLA bot will automatically determine whether y
 
 ### Prerequisites
 
-- **Java 17** or later (CI uses Temurin 17; use a newer JDK if required by your Eclipse IDE)
+- **Java 21** or later (CI uses Temurin 21; use a newer JDK if required by your Eclipse IDE)
 - **Maven 3.8+** (or use the provided Maven wrapper `./mvnw`)
 - **Node.js 22.13** or later, with npm
-- **Eclipse IDE for Eclipse Committers 2024-03** or later (for development)
+- **Eclipse IDE for Eclipse Committers 2025-12** or later (for development)
 - Recommended: **Eclipse Checkstyle plugin** for code style compliance
   (e.g. install from update site: https://checkstyle.org/eclipse-cs-update-site/)
 
@@ -61,8 +61,8 @@ The installable P2 repository is generated in `com.microsoft.copilot.eclipse.rep
    * Do also import the agent bundle for your OS (e.g., `com.microsoft.copilot.eclipse.core.agent.win32`)
      after building the project with npm and maven or import all OS-specific agent bundles.
 2. Activate one of the target platforms, i.e. open one of the target definition files and select `Set As Active Target Platform`.
-   * target-terminal.target (Eclipse 4.37+)
-   * target-tm-terminal.target (Eclipse 4.36 and earlier)
+   * `target-platforms/2025-12.target` (Eclipse 4.38 and later)
+   * `target-platforms/2024-12.target` (Eclipse 4.36 and earlier)
 3. For using the Checkstyle configuration (assuming you have installed the Eclipse Checkstyle plugin, see prerequisites),
    add a new named Checkstyle configuration.
    * Select *Window > Preferences > Checkstyle* and press the *New...* button.

com.microsoft.copilot.eclipse.core.agent.linux.aarch64/META-INF/MANIFEST.MF

@@ -6,5 +6,5 @@ Automatic-Module-Name: com.microsoft.copilot.eclipse.core.agent.linux.aarch64
 Bundle-Version: 0.20.0.qualifier
 Bundle-Vendor: GitHub Copilot
 Fragment-Host: com.microsoft.copilot.eclipse.core
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-21
 Eclipse-PlatformFilter: (&(osgi.os=linux)(osgi.arch=aarch64))

com.microsoft.copilot.eclipse.core.agent.linux.x64/META-INF/MANIFEST.MF

@@ -6,5 +6,5 @@ Automatic-Module-Name: com.microsoft.copilot.eclipse.core.agent.linux.x64
 Bundle-Version: 0.20.0.qualifier
 Bundle-Vendor: GitHub Copilot
 Fragment-Host: com.microsoft.copilot.eclipse.core
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-21
 Eclipse-PlatformFilter: (&(osgi.os=linux)(osgi.arch=x86_64))

com.microsoft.copilot.eclipse.core.agent.macosx.aarch64/META-INF/MANIFEST.MF

@@ -6,5 +6,5 @@ Automatic-Module-Name: com.microsoft.copilot.eclipse.core.agent.macosx.aarch64
 Bundle-Version: 0.20.0.qualifier
 Bundle-Vendor: GitHub Copilot
 Fragment-Host: com.microsoft.copilot.eclipse.core
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-21
 Eclipse-PlatformFilter: (&(osgi.os=macosx) (osgi.arch=aarch64))

com.microsoft.copilot.eclipse.core.agent.macosx.x64/META-INF/MANIFEST.MF

@@ -6,5 +6,5 @@ Automatic-Module-Name: com.microsoft.copilot.eclipse.core.agent.macosx.x64
 Bundle-Version: 0.20.0.qualifier
 Bundle-Vendor: GitHub Copilot
 Fragment-Host: com.microsoft.copilot.eclipse.core
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-21
 Eclipse-PlatformFilter: (&(osgi.os=macosx)(osgi.arch=x86_64))

com.microsoft.copilot.eclipse.core.agent.win32/META-INF/MANIFEST.MF

@@ -6,5 +6,5 @@ Automatic-Module-Name: com.microsoft.copilot.eclipse.core.agent.win32
 Bundle-Version: 0.20.0.qualifier
 Bundle-Vendor: GitHub Copilot
 Fragment-Host: com.microsoft.copilot.eclipse.core
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-21
 Eclipse-PlatformFilter: (osgi.os=win32)

com.microsoft.copilot.eclipse.core.test/.classpath

@@ -1,11 +1,15 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17"/>
-	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="src" path="src">
-		<attributes>
-			<attribute name="test" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="output" path="target/classes"/>
-</classpath>
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src">
+		<attributes>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

com.microsoft.copilot.eclipse.core.test/.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8

com.microsoft.copilot.eclipse.core.test/.settings/org.eclipse.jdt.core.prefs

@@ -1,12 +1,12 @@
 eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
+org.eclipse.jdt.core.compiler.compliance=21
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=17
+org.eclipse.jdt.core.compiler.source=21
 org.eclipse.jdt.core.formatter.align_arrows_in_switch_on_columns=false
 org.eclipse.jdt.core.formatter.align_assignment_statements_on_columns=false
 org.eclipse.jdt.core.formatter.align_fields_grouping_blank_lines=2147483647

com.microsoft.copilot.eclipse.core.test/META-INF/MANIFEST.MF

@@ -4,7 +4,7 @@ Bundle-Name: com.microsoft.copilot.eclipse.core.test
 Bundle-SymbolicName: com.microsoft.copilot.eclipse.core.test;singleton:=true
 Bundle-Version: 0.20.0.qualifier
 Bundle-Vendor: GitHub Copilot
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-21
 Fragment-Host: com.microsoft.copilot.eclipse.core
 Automatic-Module-Name: com.microsoft.copilot.eclipse.core.test
 Import-Package: org.objenesis;version="[3.4.0,4.0.0)",

com.microsoft.copilot.eclipse.core.test/build.properties

@@ -1,5 +1,5 @@
-source.. = src
-output.. = target/classes
+source.. = src/
+output.. = target/classes/
 bin.includes = META-INF/,\
                .
 

com.microsoft.copilot.eclipse.core/.classpath

@@ -1,7 +1,11 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17"/>
-	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="output" path="target/classes"/>
-</classpath>
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

com.microsoft.copilot.eclipse.core/.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8

com.microsoft.copilot.eclipse.core/.settings/org.eclipse.jdt.core.prefs

@@ -1,12 +1,17 @@
 eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=21
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=17
+org.eclipse.jdt.core.compiler.source=21
 org.eclipse.jdt.core.formatter.align_arrows_in_switch_on_columns=false
 org.eclipse.jdt.core.formatter.align_assignment_statements_on_columns=false
 org.eclipse.jdt.core.formatter.align_fields_grouping_blank_lines=2147483647

com.microsoft.copilot.eclipse.core/META-INF/MANIFEST.MF

@@ -23,10 +23,10 @@ Export-Package: com.microsoft.copilot.eclipse.core,
  com.microsoft.copilot.eclipse.core.lsp.protocol.quota,
  com.microsoft.copilot.eclipse.core.lsp.protocol.tools,
  com.microsoft.copilot.eclipse.core.nes;x-friends:="com.microsoft.copilot.eclipse.ui",
- com.microsoft.copilot.eclipse.core.persistence;x-friends:="com.microsoft.copilot.eclipse.ui,com.microsoft.copilot.eclipse.core.test，com.microsoft.copilot.eclipse.core.utils",
+ com.microsoft.copilot.eclipse.core.persistence;x-friends:="com.microsoft.copilot.eclipse.ui,com.microsoft.copilot.eclipse.core.test,com.microsoft.copilot.eclipse.core.utils",
  com.microsoft.copilot.eclipse.core.utils
 Bundle-Activator: com.microsoft.copilot.eclipse.core.CopilotCore
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-21
 Automatic-Module-Name: com.microsoft.copilot.eclipse.core
 Bundle-ActivationPolicy: lazy
 Import-Package: org.eclipse.ui,

com.microsoft.copilot.eclipse.core/build.properties

@@ -1,5 +1,5 @@
-source.. = src
-output.. = target/classes
+source.. = src/
+output.. = target/classes/
 bin.includes = META-INF/,\
                .,\
                plugin.xml,\

com.microsoft.copilot.eclipse.swtbot.test/.classpath

@@ -1,11 +1,15 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17"/>
-	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="src" path="src">
-		<attributes>
-			<attribute name="test" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="output" path="target/classes"/>
-</classpath>
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src">
+		<attributes>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

com.microsoft.copilot.eclipse.swtbot.test/.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8

com.microsoft.copilot.eclipse.swtbot.test/.settings/org.eclipse.jdt.core.prefs

@@ -1,9 +1,9 @@
 eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
+org.eclipse.jdt.core.compiler.compliance=21
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=17
+org.eclipse.jdt.core.compiler.source=21

com.microsoft.copilot.eclipse.swtbot.test/META-INF/MANIFEST.MF

@@ -4,7 +4,7 @@ Bundle-Name: com.microsoft.copilot.eclipse.swtbot.test
 Bundle-SymbolicName: com.microsoft.copilot.eclipse.swtbot.test;singleton:=true
 Bundle-Version: 0.20.0.qualifier
 Bundle-Vendor: GitHub Copilot
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-21
 Automatic-Module-Name: com.microsoft.copilot.eclipse.swtbot.test
 Require-Bundle: org.eclipse.swtbot.swt.finder;bundle-version="4.1.0",
  org.eclipse.swtbot.eclipse.finder;bundle-version="4.1.0",

com.microsoft.copilot.eclipse.swtbot.test/build.properties

@@ -1,5 +1,5 @@
-source.. = src
-output.. = target/classes
+source.. = src/
+output.. = target/classes/
 bin.includes = META-INF/,\
                .,\
                plugin.xml,\

com.microsoft.copilot.eclipse.terminal.api/.classpath

@@ -1,7 +1,11 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17"/>
-	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="output" path="target/classes"/>
-</classpath>
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

com.microsoft.copilot.eclipse.terminal.api/.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8

com.microsoft.copilot.eclipse.terminal.api/.settings/org.eclipse.jdt.core.prefs

@@ -1,9 +1,9 @@
 eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
+org.eclipse.jdt.core.compiler.compliance=21
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=17
+org.eclipse.jdt.core.compiler.source=21