refactor: centralize ABI metadata into meta/meta.go

- meta/meta.go: add ABIVersion, ABIVersionMin, 45 dispatch method IDs
- tools/plugindev/cmd_init.go: cabiVersion -> meta.ABIVersion
- tools/plugindev/templates.go: C header comments reference meta.go

meta/meta.go

@@ -1,5 +1,6 @@
 // Package meta 收集 HomeAgent SDK 的全部元数据。
 // 版本号应与核心 meta.Version 保持一致。
+// ABI 版本与 Dispatch Method ID 应与核心仓 internal/meta/meta.go 保持一致。
 package meta
 
 var (
@@ -15,9 +16,72 @@ var (
 
 	// SDKName 是 SDK 名称。
 	SDKName = "HomeAgent SDK"
+
+	// CoreModule 是核心仓的 Go module path，供 plugindev 生成 go.mod 时使用。
+	CoreModule = "gitcode.com/JianFeeeee/HomeAgent"
+
+	// CoreVersion 是此 SDK 所兼容的最低核心版本。
+	CoreVersion = "0.7.2"
 )
 
 // FullVersion 返回完整的版本字符串。
 func FullVersion() string {
 	return SDKName + " v" + Version + " (" + Commit + ")"
 }
+
+// ---- ABI 版本（与核心仓 internal/meta/meta.go 同步） ----
+// 修改时需确保核心仓与 SDK 仓的值一致。
+
+const (
+	ABIVersion    = 1
+	ABIVersionMin = 1
+)
+
+// ---- Dispatch Method IDs（与核心仓 internal/meta/meta.go 同步） ----
+const (
+	CoreRegisterTool          = 1
+	CoreRegisterStage         = 2
+	CoreRegisterOutputCh      = 3
+	CoreRegisterPluginAPI     = 4
+	CoreInjectText            = 5
+	CoreInjectInterruptText   = 6
+	CoreInjectTextNoMemory    = 7
+	CoreSetAutoRestart        = 8
+	CoreMemoryRecall          = 9
+	CoreMemoryCommit          = 10
+	CoreMemoryIntrospect      = 11
+	CoreMemoryMerge           = 12
+	CoreMemoryPurge           = 13
+	CoreDocQuery              = 14
+	CoreKnowledgeSearch       = 15
+	CoreSettingsGet           = 16
+	CoreSettingsSet           = 17
+	CoreSettingsRegisterDef   = 18
+	CoreLLMListSources        = 19
+	CoreLLMSetSource          = 20
+	CoreSocialGetPerson       = 21
+	CoreSocialGetNetwork      = 22
+	CoreSubscribe             = 23
+	CoreUnsubscribe           = 24
+	CoreFreeString            = 25
+	CoreSettingsGetCore       = 26
+	CoreSettingsSetCore       = 27
+	CoreSettingsListCore      = 28
+	CoreSettingsGetPlugin     = 29
+	CoreSettingsSetPlugin     = 30
+	CoreSettingsListPlugin    = 31
+	CoreDocInsert             = 32
+	CoreDocRemove             = 33
+	CoreDocStats              = 34
+	CoreKnowledgeAdd          = 35
+	CoreKnowledgeList         = 36
+	CoreLLMCurrentSource      = 37
+	CoreSocialGetTrait        = 38
+	CoreSocialGetRelations    = 39
+	CoreSocialListPersons     = 40
+	CoreTextMemoryAppend      = 41
+	CoreSettingsList          = 42
+	CoreSettingsDefs          = 43
+	CoreSettingsDump          = 44
+	CoreSettingsPlugins       = 45
+)