refactor(cortex-engine): use cortex-prompt-harness for system prompt

Author: echobt

src/cortex-engine/Cargo.toml

@@ -28,6 +28,7 @@ cortex-hooks-ext = { path = "../cortex-hooks", package = "cortex-hooks" }
 cortex-share = { path = "../cortex-share" }
 cortex-plugins-ext = { path = "../cortex-plugins", package = "cortex-plugins" }
 cortex-batch = { path = "../cortex-batch" }
+cortex-prompt-harness = { path = "../cortex-prompt-harness" }
 
 # New feature crates (Phase 2)
 cortex-ghost = { path = "../cortex-ghost" }

src/cortex-engine/src/prompt/system_prompt.rs

@@ -16,7 +16,7 @@ pub enum SystemPromptError {
 
 pub type Result<T> = std::result::Result<T, SystemPromptError>;
 
-const DEFAULT_SYSTEM_PROMPT: &str = include_str!("../../../../cortex_prompt.txt");
+const DEFAULT_SYSTEM_PROMPT: &str = cortex_prompt_harness::prompts::CORTEX_MAIN_PROMPT;
 
 pub fn load_system_prompt(path: Option<&Path>) -> Result<String> {
     match path {

src/cortex-engine/src/session/prompt.rs

@@ -4,8 +4,8 @@ use std::path::PathBuf;
 
 use crate::config::Config;
 
-/// System prompt for the Cortex Agent - loaded from cortex_prompt.txt
-pub(crate) const SYSTEM_PROMPT: &str = include_str!("../../../../cortex_prompt.txt");
+/// System prompt for the Cortex Agent - loaded from cortex-prompt-harness
+pub(crate) const SYSTEM_PROMPT: &str = cortex_prompt_harness::prompts::CORTEX_MAIN_PROMPT;
 
 /// Build the system prompt for the agent.
 pub fn build_system_prompt(config: &Config) -> String {