ironflow_core/provider/
system_prompt.rs

1//! Appending to the system prompt instead of replacing it.
2
3use super::AgentConfig;
4
5impl<Tools, Schema> AgentConfig<Tools, Schema> {
6    /// Append `prompt` to the system prompt instead of replacing it.
7    ///
8    /// Use it to give Claude Code project rules while keeping its default
9    /// system prompt (skills, slash commands, tools), which
10    /// [`system_prompt`](Self::system_prompt) would replace. The Claude CLI
11    /// receives it as `--append-system-prompt`; HTTP providers send
12    /// [`full_system_prompt`](Self::full_system_prompt).
13    ///
14    /// # Examples
15    ///
16    /// ```
17    /// use ironflow_core::provider::AgentConfig;
18    ///
19    /// let config = AgentConfig::new("/code-review medium main...HEAD")
20    ///     .append_system_prompt("Never hardcode a tenant id.");
21    /// assert_eq!(
22    ///     config.append_system_prompt.as_deref(),
23    ///     Some("Never hardcode a tenant id."),
24    /// );
25    /// ```
26    pub fn append_system_prompt(mut self, prompt: &str) -> Self {
27        self.append_system_prompt = Some(prompt.to_string());
28        self
29    }
30
31    /// The system prompt a provider without an append flag sends:
32    /// [`system_prompt`](Self::system_prompt) then
33    /// [`append_system_prompt`](Self::append_system_prompt), separated by a
34    /// blank line. `None` when neither is set.
35    ///
36    /// # Examples
37    ///
38    /// ```
39    /// use ironflow_core::provider::AgentConfig;
40    ///
41    /// let config = AgentConfig::new("hi")
42    ///     .system_prompt("Be brief")
43    ///     .append_system_prompt("Rules");
44    /// assert_eq!(config.full_system_prompt().as_deref(), Some("Be brief\n\nRules"));
45    /// ```
46    pub fn full_system_prompt(&self) -> Option<String> {
47        match (&self.system_prompt, &self.append_system_prompt) {
48            (Some(base), Some(extra)) => Some(format!("{base}\n\n{extra}")),
49            (Some(only), None) | (None, Some(only)) => Some(only.clone()),
50            (None, None) => None,
51        }
52    }
53}
ironflow_core/provider/system_prompt.rs

ironflow_core/provider/
system_prompt.rs
