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Agent Mode Enhancements

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• Agent prompts are now embedded within the g3 binary
• README.md - Added new "Agent Mode" section documenting:
  • All 7 built-in agents with their focus areas
  • Usage examples (--list-agents, --agent <name>)
  • How to create custom workspace agents

Behavior
1. Workspace agents take priority - If agents/<name>.md exists in the workspace, it's used
2. Embedded fallback - If no workspace agent exists, the embedded version is used
3. Portability - g3 binary now works on any repo without needing the agents/ directory
4. Discoverability - g3 --list-agents shows all available agents and their source
This commit is contained in:
Dhanji R. Prasanna
2026-01-14 16:27:03 +05:30
parent 5104bd53b6
commit 03143ec7f8
5 changed files with 182 additions and 46 deletions
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57
crates/g3-cli/src/agent_mode.rs
View File

@@ -9,6 +9,7 @@ use g3_core::Agent;
use crate::project_files::{combine_project_content, read_agents_config, read_project_memory, read_project_readme};
use crate::simple_output::SimpleOutput;
use crate::embedded_agents::load_agent_prompt;
use crate::ui_writer_impl::ConsoleUiWriter;
/// Run agent mode - loads a specialized agent prompt and executes a single task.
@@ -71,53 +72,17 @@ pub async fn run_agent_mode(
output.print("");
}
// Load agent prompt from agents/<name>.md
let agent_prompt_path = workspace_dir
.join("agents")
.join(format!("{}.md", agent_name));
// Load agent prompt: workspace agents/<name>.md first, then embedded fallback
let (agent_prompt, from_disk) = load_agent_prompt(agent_name, &workspace_dir).ok_or_else(|| {
anyhow::anyhow!(
"Agent '{}' not found.\nAvailable embedded agents: breaker, carmack, euler, fowler, hopper, lamport, scout\nOr create agents/{}.md in your workspace.",
agent_name,
agent_name
)
})?;
// Also check in the g3 installation directory
let agent_prompt = if agent_prompt_path.exists() {
std::fs::read_to_string(&agent_prompt_path).map_err(|e| {
anyhow::anyhow!(
"Failed to read agent prompt from {:?}: {}",
agent_prompt_path,
e
)
})?
} else {
// Try to find agents/ relative to the executable or in common locations
let exe_dir = std::env::current_exe()
.ok()
.and_then(|p| p.parent().map(|p| p.to_path_buf()));
let possible_paths = [
exe_dir
.as_ref()
.map(|d| d.join("agents").join(format!("{}.md", agent_name))),
Some(PathBuf::from(format!("agents/{}.md", agent_name))),
];
let mut found_prompt = None;
for path_opt in possible_paths.iter().flatten() {
if path_opt.exists() {
found_prompt = Some(std::fs::read_to_string(path_opt).map_err(|e| {
anyhow::anyhow!("Failed to read agent prompt from {:?}: {}", path_opt, e)
})?);
break;
}
}
found_prompt.ok_or_else(|| {
anyhow::anyhow!(
"Agent prompt not found: agents/{}.md\nSearched in: {:?} and current directory",
agent_name,
agent_prompt_path
)
})?
};
output.print(&format!(">> agent mode | {}", agent_name));
let source = if from_disk { "workspace" } else { "embedded" };
output.print(&format!(">> agent mode | {} ({})", agent_name, source));
// Format workspace path, replacing home dir with ~
let workspace_display = {
let path_str = workspace_dir.display().to_string();