Update: 将子项目从 submodule 转为完整内容

- 移除 GovAI, nomifun-tauri, 算力盒子 的 submodule 引用
- 添加所有子项目的完整源代码
- 保留原始 .git 为 .git.bak 备份

nomifun-tauri/crates/backend/nomifun-ai-agent/src/capability/mod.rs

@@ -0,0 +1,15 @@
+//! Runtime capability modules shared across agent managers.
+//!
+//! These modules provide reusable primitives (CLI process supervision,
+//! skill indexing, backend output/protocol sinks, and first-message injection)
+//! that any agent implementation can compose.
+
+pub(crate) mod backend_output_sink;
+pub(crate) mod backend_protocol_sink;
+pub(crate) mod cli_process;
+pub(crate) mod first_message_injector;
+pub mod model_identity_reminder;
+pub mod prompt_pipeline;
+pub(crate) mod skill_manager;
+
+pub use prompt_pipeline::{PostRecvHook, PreSendHook, PromptCtx, PromptPipeline};