W17: extract ai_common shared module + fix anthropic data race + brace bugs
- New plugins_upper/ai_common/ static library: shared PluginConfig, ToolCallAccum, StreamContext, secure_zero, extract_host_port, serialize_tool_calls, free_chat_result - Refactored openai/anthropic plugins to use dstalk_ai:: namespace from ai_common - Fixed anthropic g_config raw pointer → std::atomic (data race) - Added SSE parse error counter with threshold abort (kMaxSseParseErrors=5) - Fixed missing closing brace in both plugins' error-body catch block - Updated test targets: ai_common include path + link, using namespace dstalk_ai - plugin_loader_test: added stub_unreg + service_registry.cpp for unregister_service - Includes pre-existing uncommitted changes from prior waves Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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@@ -90,7 +90,7 @@ struct dstalk_ai_service_t {
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每种服务都有一个预定义的 vtable 结构体(定义在 `dstalk_services.h`)。第三方也可以扩展自己的服务 vtable,版本号随注册一起提供,允许消费者做最低版本检查。
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服务注册采用 **name + version** 两要素:
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- 全局唯一名称(如 `"ai.openai"`、`"http"`、`"file_io"`)。
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- 全局唯一名称(如 `"ai_openai"`、`"http"`、`"file_io"`)。
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- 版本号(消费者可以要求 `min_version`)。
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---
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@@ -87,7 +87,7 @@ Host 收到非零返回值后,会跳过后续插件的初始化并报告警告
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**契约 3:register_service 注册自己的服务。** 插件将自己的 vtable 注册到服务注册表后,其他依赖它的插件才能在后续的 `on_init` 中通过 `query_service` 找到它。
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```c
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return host->register_service("ai.openai", 1, &g_service);
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return host->register_service("ai_openai", 1, &g_service);
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```
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注册表内的 vtable 是原始指针,不拷贝。因此 vtable 指向的结构体必须是**静态生命周期**(全局变量或 static 局部变量)。
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